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William Blair Small Cap Growth Fund Class N (WBSNX) Stock Analysis

$32.33 -$0.49 (-1.49%) |CouncilSplit View · 39 · D
William Blair Small Cap Growth Fund Class N (WBSNX) bottom line: signals are mixed — the Council read leans Split View (39/100) while the AI fundamental score is 52/100 (grade B); the two lenses disagree, so weigh the breakdown below. Strongest single signal: Izzy Englander bullish.
MCap: $1.26B|
Data from FMP · Methodology

For informational purposes only. Not financial advice. Analysis by Sedat ANAK, Founder & Editor-in-Chief | AI-powered analysis. Data sourced from SEC filings and institutional-grade financial providers. Editorially reviewed. Not financial advice.

William Blair Small Cap Growth Fund Class N (WBSNX) trades at $32.33 with AI Score 52/100 (Grade B). William Blair Small Cap Growth Fund Class N (WBSNX) is an investment vehicle focused on achieving… Market cap: $1.26B, Sector: Financial services.

Price as of Aug 21, 2026 · Last analyzed: Jun 15, 2026
William Blair Small Cap Growth Fund Class N (WBSNX) is an investment vehicle focused on achieving long-term capital appreciation by primarily investing in a diversified portfolio of small-capitalization domestic growth companies. The fund allocates at least 80% of its net assets to equities of small-cap companies, defined as those with market capitalizations no larger than the largest company in the Russell 2000® Index at the time of investment.

Analyst Coverage for WBSNX: WBSNX does not currently have published analyst price targets in our coverage universe. This is common for smaller-cap names with limited Wall Street coverage. In the absence of analyst consensus, our AI model evaluates WBSNX against Financial Services peers across nine fundamental dimensions and assigns a mixed fundamental profile based on the underlying data.

Watch the WBSNX film Every key number, told as a short cinematic story — just press play. ~2 min
Council Score · Weighted Average of 3 Disciplines
Split View 39/100 · D

WBSNX: 2/3 scored disciplines lean bearish. Dominant signal: Izzy Englander bullish.

How is this calculated? →
Legends Council · 5 Legends + Moon AI
Izzy Englander
Bullish
Seth Klarman
Neutral
Moon AI
Neutral
Munger's Mindset · Balance Sheet & Valuation
Financial Health
Weak
Margin of Safety
Overvalued
Council Score · Weighted Average of 3 Disciplines · See tabs for details →

Why this analysis is different

  • A 9-signal quantitative MoonshotScore built from filings, insider activity, and market data — computed from the numbers, not from opinion.
  • An AI Council read across up to eight perspectives — value, macro, quantitative, and momentum lenses — that shows where they disagree instead of averaging the tension away.
  • Figures come straight from FMP and Yahoo Finance filings data. The AI writes the narrative around the numbers — it never edits the numbers.

William Blair Small Cap Growth Fund Class N (WBSNX) Financial Services Profile

HeadquartersChicago, US
IPO Year1999

William Blair Small Cap Growth Fund Class N (WBSNX) is an actively managed fund targeting long-term capital appreciation by investing at least 80% of its net assets in a diversified portfolio of small-capitalization domestic growth companies. It focuses on firms exhibiting quality growth characteristics, with market caps benchmarked against the Russell 2000® Index, operating within the dynamic financial services sector.

Data Provenance | Financial Data Quantitative Analysis Analysis: Jun 15, 2026

What Is the Investment Thesis for WBSNX?

As of Jun 15, 2026 — figures reflect the data available on that date.

The investment thesis for William Blair Small Cap Growth Fund Class N (WBSNX) centers on its focused strategy to capture long-term capital appreciation from the dynamic small-capitalization growth segment of the domestic equity market. With a market capitalization of $1.26B, the fund offers investors exposure to a diversified portfolio of companies expected to exhibit quality growth characteristics. A core tenet is its commitment to invest at least 80% of net assets in small-cap equities, defined by the Russell 2000® Index's largest constituent, ensuring consistent adherence to its mandate. While the fund currently reports a profit margin of -13.6%, reflecting operational costs or capital losses, its gross margin of 56.6% suggests robust revenue generation from its underlying assets or management fees. The fund's Beta of 1.27 indicates higher volatility compared to the broader market, which is typical for small-cap growth investments, offering potential for amplified returns during market upturns. A notable dividend yield of 8.01% suggests significant distributions from its holdings, providing an income component alongside capital appreciation potential. Growth catalysts include sustained economic expansion favoring small-cap companies, increased investor allocation to growth-oriented strategies, and the fund's ability to consistently identify and invest in high-quality, rapidly expanding businesses. Key risks involve the inherent volatility of small-cap stocks, potential underperformance of growth strategies, and broader market downturns that could disproportionately affect smaller companies.

Based on FMP financials and quantitative analysis

WBSNX Key Highlights

The fund maintains a significant market capitalization of $1.26B, indicating its substantial presence within the small-cap fund landscape.

  • Despite its growth focus, WBSNX exhibits a high dividend yield of 8.01%, suggesting a strategy that also incorporates income generation from its underlying holdings.
  • The fund's Beta of 1.27 signifies a higher sensitivity to market movements compared to the overall market, characteristic of small-cap growth investments.
  • WBSNX reports a gross margin of 56.6%, which could reflect the efficiency of its asset management operations or the profitability of its underlying portfolio before operating expenses.
  • The current profit margin of -13.6% indicates that the fund's expenses or capital losses have exceeded its income, warranting scrutiny into its operational efficiency or recent portfolio performance.

Who Are WBSNX's Competitors?

WBSNX is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.

Company Price Change Market Cap AI Score
ASA ASA Gold and Precious Metals Limited $62.25 +7.86% $1.17B 70
AOD Abrdn Total Dynamic Dividend Fund $10.68 +0.56% $1.13B 68
HQH Abrdn Healthcare Investors $24.66 +2.84% $1.41B 71
GSBD Goldman Sachs BDC, Inc. $9.88 +0.82% $1.11B 91
FSCO FS Credit Opportunities Corp. $5.14 -0.58% $1.04B 93
MUC BlackRock MuniHoldings California Quality Fund, Inc. $10.60 -0.75% $998M 67
CET Central Securities Corp. $54.21 -0.90% $1.60B 70
TSLX Sixth Street Specialty Lending, Inc. $18.77 +0.37% $1.78B 68

AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance

What Are WBSNX's Key Strengths?

Clear and focused investment mandate targeting small-cap domestic growth companies for long-term capital appreciation.

  • Diversified portfolio strategy designed to mitigate risks associated with individual small-cap stock volatility.
  • Potential for significant capital appreciation inherent in the small-cap growth segment during favorable market conditions.
  • High dividend yield of 8.01% provides an income component alongside growth potential for investors.

What Are WBSNX's Weaknesses?

Negative profit margin of -13.6% indicates that expenses or capital losses currently outweigh income, impacting overall profitability.

  • Higher market volatility (Beta of 1.27) compared to the broader market, which can lead to larger fluctuations in fund value.
  • Liquidity challenges can be more pronounced in the small-cap market, potentially affecting the fund's ability to trade positions efficiently.
  • Reliance on the performance of a specific market segment (small-cap growth) makes the fund susceptible to sector-specific downturns.

What Could Drive WBSNX Stock Higher?

WBSNX catalyst: Sustained outperformance of the Russell 2000® Growth Index, signaling a favorable environment for the fund's investment strategy.

  • Continued strong earnings growth and positive guidance from a significant portion of the fund's underlying small-cap holdings, driving up their valuations.
  • Increased investor confidence in small-cap equities, leading to greater capital inflows into small-cap growth funds like WBSNX.
  • Successful identification and investment in disruptive small-cap companies that experience rapid market adoption and significant valuation increases.

What Are the Key Risks for WBSNX?

Negative return on equity (-27.1%) — the business is not currently generating profit on shareholder capital.

  • A prolonged economic slowdown or recession could severely impact the earnings and growth prospects of small-cap companies, leading to portfolio depreciation.
  • Higher interest rates could disproportionately affect growth-oriented companies by increasing borrowing costs and reducing the present value of future earnings.
  • Underperformance of the small-cap growth segment relative to large-cap stocks or value strategies, causing investors to reallocate capital away from WBSNX.
  • Increased market volatility, as indicated by the fund's Beta of 1.27, could lead to larger and more frequent fluctuations in the fund's net asset value.
  • Significant outflows from the fund due to sustained underperformance or broader market shifts, impacting its asset base and operational efficiency.

What Are the Growth Opportunities for WBSNX?

  • Growth opportunity 1: Increased investor allocation to small-cap equities. As economic conditions improve and investors seek higher growth potential, there is a natural tendency to reallocate capital towards small-cap segments. This trend could lead to increased inflows into funds like WBSNX, boosting its assets under management (AUM). A larger AUM base enhances the fund's scale and potential for greater fee generation, solidifying its market position. The small-cap market, while volatile, historically offers periods of significant outperformance, making it an attractive component for diversified portfolios seeking long-term capital appreciation. This opportunity is ongoing, influenced by market sentiment and economic cycles.
  • Growth opportunity 2: Outperformance of small-cap growth stocks. Periods where small-cap growth companies deliver superior earnings and stock price performance relative to large-cap counterparts directly benefit WBSNX. The fund's specific mandate to invest in companies with 'quality growth characteristics' positions it to capitalize on such market cycles. Should these companies continue to innovate and expand, the fund's net asset value (NAV) would appreciate, attracting more investors. This potential outperformance is a continuous driver, with timelines varying based on market dynamics and sector-specific catalysts.
  • Growth opportunity 3: Expansion of the fund's asset under management (AUM) through strong performance. A consistent track record of outperforming its benchmark, the Russell 2000® Index, or its peer group, would naturally attract new investments from both institutional and retail clients. Strong performance validates the fund's investment strategy and management expertise, leading to increased market share within the small-cap growth fund category. This organic growth in AUM directly translates to higher management fees, improving the fund's financial health and operational capacity. This is an ongoing opportunity, contingent on sustained investment success.
  • Growth opportunity 4: Diversification benefits for investors. As investors increasingly seek diversified portfolios to manage risk and enhance returns, funds specializing in distinct market segments like small-cap growth become more appealing. WBSNX offers a focused exposure to a segment that may behave differently from large-cap or value-oriented investments, providing valuable diversification. The fund's ability to articulate these diversification benefits effectively can attract investors looking to round out their portfolios, particularly those seeking exposure to companies with high growth potential. This market trend represents an ongoing opportunity for asset gathering.
  • Growth opportunity 5: Innovation and M&A activity within the small-cap universe. Small-cap growth companies are often at the forefront of innovation, developing new technologies and business models. Successful innovation can lead to rapid expansion and, frequently, makes these companies attractive acquisition targets for larger corporations. WBSNX, by investing in such companies, stands to benefit significantly from M&A premiums. Furthermore, a vibrant M&A environment can validate the growth potential of the fund's holdings, driving up their valuations and contributing to the fund's overall performance. This is an ongoing opportunity, with M&A cycles influencing its impact.

What Threats Does WBSNX Face?

  • Economic downturns or recessions can disproportionately impact small-cap companies, leading to significant declines in fund value.
  • Underperformance of the small-cap growth segment relative to other market capitalizations or investment styles.
  • Intense competition from other actively managed small-cap funds and passively managed ETFs in the same segment.
  • Changes in interest rates or regulatory policies that could negatively affect the growth prospects of small-cap companies or the asset management industry.

What Are WBSNX's Competitive Advantages?

  • Specialized investment expertise in identifying quality small-cap growth companies, leveraging William Blair's research capabilities.
  • Established track record and reputation within the asset management industry, particularly in focused equity strategies.
  • Diversified portfolio construction aims to mitigate idiosyncratic risks inherent in the small-cap segment.
  • Clear and consistent investment mandate, adhering to specific small-cap definitions and growth characteristics, which provides clarity to investors.

What Does WBSNX Do?

The William Blair Small Cap Growth Fund Class N (WBSNX) operates within the asset management industry, specifically focusing on growth-oriented small-capitalization companies. Its primary objective is to seek long-term capital appreciation for its investors. The fund employs a disciplined investment strategy, committing a substantial portion—at least 80% of its net assets—to equity securities of small-cap companies. This commitment includes common stocks and other forms of equity investments, all selected from domestic growth companies. The advisor's definition of a small-cap company is precise, considering any company with a market capitalization no larger than that of the largest capitalized company included in the Russell 2000® Index at the time of the fund's initial investment. This benchmark provides a clear framework for portfolio construction and risk management, ensuring adherence to its small-cap mandate. The fund aims to identify companies that exhibit strong quality growth characteristics, suggesting a focus on businesses with robust fundamentals, sustainable competitive advantages, and potential for above-average earnings growth. By investing in a diversified portfolio, WBSNX seeks to mitigate risks associated with individual company performance while capitalizing on the growth potential inherent in the small-cap segment of the market. Headquartered in Chicago, US, the fund is managed by William Blair, an established financial services firm known for its expertise in investment management. The fund's strategy positions it to potentially benefit from the often-overlooked opportunities within the small-cap universe, which can offer higher growth potential compared to larger, more mature companies, albeit with potentially higher volatility. The fund's operational model involves active management, where investment professionals conduct rigorous research and analysis to select promising small-cap growth companies that align with the fund's objectives and criteria.

What Products and Services Does WBSNX Offer?

  • Invests at least 80% of its net assets in stocks of small-capitalized (small cap) companies.
  • Seeks long-term capital appreciation for its investors.
  • Primarily invests in a diversified portfolio of equity securities, including common stocks.
  • Focuses on small-cap domestic growth companies expected to exhibit quality growth characteristics.
  • Defines small-cap companies as those with market capitalization no larger than the largest company in the Russell 2000® Index at the time of investment.
  • Actively manages its portfolio to identify and select promising growth opportunities within the small-cap universe.

How Does WBSNX Make Money?

  • Generates returns for investors through capital appreciation of its underlying equity holdings.
  • Distributes income to investors from dividends received from the stocks held in its portfolio, reflected in its 8.01% dividend yield.
  • Charges management fees for its active investment management services, which are typically a percentage of assets under management (AUM).
  • Aims to outperform its benchmark (Russell 2000® Index) and peer group through strategic stock selection and portfolio construction.

What Industry Does WBSNX Operate In?

William Blair Small Cap Growth Fund Class N (WBSNX) operates within the highly competitive asset management industry, specifically targeting the small-capitalization growth segment. This niche is characterized by its potential for higher returns due to the rapid expansion phases of smaller companies, but also by increased volatility and liquidity challenges compared to large-cap investments. The broader financial services sector, which encompasses asset management, is currently experiencing trends such as a shift towards passive investing, increased demand for specialized strategies, and heightened regulatory scrutiny. WBSNX differentiates itself by actively managing a diversified portfolio of domestic small-cap growth companies, adhering to a strict definition of 'small cap' tied to the Russell 2000® Index. This positioning allows the fund to capitalize on specific market cycles where small-cap growth outperforms, while competing with numerous other mutual funds and ETFs that also focus on this segment. The fund's success is intrinsically linked to its ability to identify and invest in companies with strong growth characteristics that can deliver superior long-term capital appreciation, navigating the inherent risks of this market segment.

Who Are WBSNX's Key Customers?

  • Individual investors seeking exposure to small-cap growth equities.
  • Institutional investors, such as pension funds, endowments, and foundations, looking for specialized asset class exposure.
  • Financial advisors and wealth managers who allocate client capital to diversified investment vehicles.
  • Investors focused on long-term capital growth and willing to accept the higher volatility associated with small-cap investments.
AI Confidence: 69% Updated: Jun 15, 2026

How William Blair Small Cap Growth Fund Class N Is Valued

William Blair Small Cap Growth Fund Class N carries a market capitalization of $1.26B, placing it in the small-cap category. Relative to its peer group, WBSNX's quantitative score of 52/100 is below the peer average of 79/100.

ROE -27%

Key Financial Metrics

Return on equity for William Blair Small Cap Growth Fund Class N stands at -27.1%, a gauge of how efficiently it converts shareholder capital into profit. Return on assets is -6.8%, showing how much profit it generates from its asset base. Its free cash flow yield is 1.8%, a gauge of the cash the business throws off relative to its market value. A current ratio of 4.11 indicates the company holds enough short-term assets to cover its near-term obligations. Its earnings yield is -2.7%, the inverse of the P/E and a quick read on earnings relative to price.

F-Score 4/9

Financial Health

William Blair Small Cap Growth Fund Class N's Piotroski F-Score is 4/9, a 9-point checklist of profitability, leverage and efficiency — a middling fundamental profile. Its Altman Z-Score of 2.32 places it in the grey zone, a middle ground that warrants monitoring.

WBSNX Financials

Bull Case vs Bear Case

Bull Case

  • Clear and focused investment mandate targeting small-cap domestic growth companies for long-term capital appreciation.
  • Diversified portfolio strategy designed to mitigate risks associated with individual small-cap stock volatility.
  • Potential for significant capital appreciation inherent in the small-cap growth segment during favorable market conditions.
  • High dividend yield of 8.01% provides an income component alongside growth potential for investors.

Bear Case

  • Negative profit margin of -13.6% indicates that expenses or capital losses currently outweigh income, impacting overall profitability.
  • Higher market volatility (Beta of 1.27) compared to the broader market, which can lead to larger fluctuations in fund value.
  • Liquidity challenges can be more pronounced in the small-cap market, potentially affecting the fund's ability to trade positions efficiently.
  • Reliance on the performance of a specific market segment (small-cap growth) makes the fund susceptible to sector-specific downturns.

AI-generated arguments based on insider flow, news sentiment and technicals — not financial advice · August 2026

WBSNX Latest News

No recent news available for WBSNX.

WBSNX Analyst Consensus

Consensus Rating

Aggregated Buy/Hold/Sell recommendations from Benzinga, Yahoo Finance, and Finnhub for WBSNX.

Price Targets

Wall Street price target analysis for WBSNX.

WBSNX MoonshotScore

52/100

What does this score mean?

The MoonshotScore rates WBSNX 0-100 on quantitative fundamentals — growth, financial health, valuation, momentum, and risk.

WBSNX Financial Services Stock FAQ

What does the AI Score mean for WBSNX?

WBSNX holds an AI Score of 52/100 (Grade: B). This is an educational research signal, not a buy or sell recommendation. William Blair Small Cap Growth Fund Class N (WBSNX) is an investment vehicle focused on achieving long-term capital appreciation by primarily investing in a diversified portfolio …

What does William Blair Small Cap Growth Fund Class N do?

William Blair Small Cap Growth Fund Class N (WBSNX) is an actively managed mutual fund designed to achieve long-term capital appreciation. It primarily invests in a diversified portfolio of equity securities, specifically focusing on small-capitalization domestic growth companies.

How does William Blair Small Cap Growth Fund Class N define 'small cap' and what is its investment philosophy?

William Blair Small Cap Growth Fund Class N defines a 'small cap' company with precision, considering it to be any company whose market capitalization is no larger than that of the largest capitalized company included in the Russell 2000® Index at the time the fund makes its investment. This benchmark-driven definition ensures consistency in its small-cap focus.

What factors drive the performance of small-cap growth funds like WBSNX?

The performance of small-cap growth funds like WBSNX is influenced by several key factors. Firstly, the overall health and growth trajectory of the domestic economy significantly impact small-cap companies, as they are often more sensitive to economic cycles than larger firms.

What are the main risks for WBSNX?

The main risks for William Blair Small Cap Growth Fund Class N (WBSNX) are primarily associated with its focus on small-capitalization growth companies. These include higher market volatility, as evidenced by its Beta of 1.27, meaning the fund's value can fluctuate more significantly than the broader market.

What are the key factors to evaluate for WBSNX?

William Blair Small Cap Growth Fund Class N (WBSNX) holds an AI score of 52/100 (moderate). The investment thesis for William Blair Small Cap Growth Fund Class N (WBSNX) centers on its focused strategy to capture long-term capital appreciation from the dynamic small-capitalization growth segment of the domestic equity market. Not financial advice.

How frequently does WBSNX data refresh on this page?

WBSNX's price was last updated on Aug 21, 2026 and refreshes on page view during U.S. market hours — it is not a real-time exchange feed. Fundamentals update after quarterly filings; the MoonshotScore recalculates nightly; news aggregates continuously.

What has driven WBSNX's recent stock price performance?

William Blair Small Cap Growth Fund Class N (WBSNX) moves on earnings results, analyst revisions, sector rotation, and market sentiment. Notable catalyst: Clear and focused investment mandate targeting small-cap domestic growth companies for long-term capital appreciation. See the News tab for the latest drivers. Past performance does not predict future results.

Should investors consider WBSNX overvalued or undervalued right now?

William Blair Small Cap Growth Fund Class N (WBSNX) has no trailing P/E available here, so lean on price-to-sales and cash flow in the Financials tab. Compare P/E, P/S, and EV/EBITDA against sector peers for a full view.

Disclaimer: This content is for informational purposes only and does not constitute investment advice. Always do your own research and consult a financial advisor.

Official Resources

Price as of Analysis updated AI Score refreshed daily
Data Sources & Methodology
Market data powered by Financial Modeling Prep & Yahoo Finance. AI analysis by Stock Expert AI proprietary algorithms. Technical indicators via industry-standard calculations. Last updated: .
Data Provenance
Sources: Financial Modeling Prep (FMP) — Primary · Yahoo Finance — Fallback · Alpaca — Tertiary
Last fetched:
Cache TTL: Quote 5min · Profile 7d · Financials 7d · Insider 48h
How we use AI: Numbers are pulled directly from FMP & Yahoo Finance — our AI writes the analysis, it never edits the figures.
Data provided as-is for educational purposes. Not financial advice. Methodology

Data provided for informational purposes only.

Analysis Notes
  • The provided source data is limited for a comprehensive dossier, especially regarding historical context, specific portfolio holdings, and management team details beyond the fund's general description.
  • The 'companyDescription' and 'investmentThesis' sections have been adapted to reflect that WBSNX is an investment fund rather than an operating company, focusing on its strategy and objectives.
  • The 'competitors' section is marked 'Unknown' due to the absence of FMP PEER TICKERS in the source data.
  • The 'profit margin' and 'gross margin' for a fund are interpreted in the context of fund operations (e.g., net investment income vs. expenses, or revenue from underlying assets vs. cost of generating that revenue), as direct 'product sales' margins do not apply.
Data Sources

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