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William Blair Small-Mid Cap Growth Fund Class I (WSMDX) Fund Overview

Educational signal · not a buy or sell recommendation · How to read this

$31.13 +$0.11 (+0.35%)

Beta 1.27: the stock has moved about 27% more than the S&P 500.

Data from FMP · Methodology

For informational purposes only. Not financial advice. Machine-generated analysis by Stock Expert AI — model gemini-2.0-flash, generated Mar 17, 2026. Editorial oversight is systemic, not page-by-page. Editorially accountable: Sedat ANAK, Founder and Editor-in-Chief. Data sources: Financial Modeling Prep, Yahoo Finance, SEC EDGAR

Quick Answer

William Blair Small-Mid Cap Growth Fund Class I (WSMDX) trades at $31.13. William Blair Small-Mid Cap Growth Fund Class I (WSMDX) seeks long-term capital appreciation by investing in small and mid-cap domestic growth companies. Sector: Financials.

Price as of · Last analyzed: Mar 17, 2026
William Blair Small-Mid Cap Growth Fund Class I (WSMDX) seeks long-term capital appreciation by investing in small and mid-cap domestic growth companies. The fund allocates at least 80% of its net assets to equity securities exhibiting quality growth characteristics.

Analyst Coverage for WSMDX: WSMDX does not currently have published analyst price targets in our coverage universe. This is common for smaller-cap names with limited Wall Street coverage.

▶ Watch the WSMDX film Every key number, told as a short cinematic story — just press play. ~2 min

William Blair Small-Mid Cap Growth Fund Class I (WSMDX) Financial Services Profile

HeadquartersChicago, US
IPO Year2003

William Blair Small-Mid Cap Growth Fund Class I (WSMDX) is an asset management fund focused on long-term capital appreciation through investments in small and mid-cap domestic growth companies. The fund emphasizes equity securities with quality growth characteristics, operating within the competitive financial services sector.

Data Provenance | Financial Data Quantitative Analysis Analysis: Mar 17, 2026

What Is the Investment Thesis for WSMDX?

AI-written as of Mar 17, 2026 — figures and tone reflect the data available then, not today's score.

The investment thesis for William Blair Small-Mid Cap Growth Fund Class I (WSMDX) centers on its focused approach to investing in small and mid-cap domestic growth companies. With a beta of 1.27, the fund exhibits moderate volatility relative to the market. The fund's strategy of allocating at least 80% of its assets to equity securities of companies with quality growth characteristics positions it to potentially benefit from the long-term growth trends in this market segment. Key value drivers include the fund's ability to identify and invest in companies with strong growth potential. A potential catalyst is the continued expansion of the small and mid-cap growth market, which could drive increased demand for the fund. However, the absence of a dividend yield may deter some income-seeking investors.

Based on FMP financials and quantitative analysis

WSMDX Key Highlights

AI-written as of Mar 17, 2026 — figures and tone reflect the data available then, not today's score.

WSMDX focuses on long-term capital appreciation by investing in small and mid-cap domestic growth companies.

  • The fund invests at least 80% of its net assets in equity securities, including common stocks and convertible securities.
  • The fund targets companies expected to exhibit quality growth characteristics.
  • The fund has a beta of 1.27, indicating moderate volatility compared to the broader market.
  • The fund's market capitalization is $1.20 billion.

Who Are WSMDX's Competitors?

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

Company Price Change Market Cap MoonshotScore
BOSOX Boston Trust Walden Small Cap Fund $18.72 -0.16% $1.01B —
DMIDX BNY Mellon MidCap Index Fund Class I $30.12 +0.50% $1.32B —
EVSYX Allspring Disciplined U.S. Core Fund Admin Class $27.53 -0.04% $1.45B —
HAVLX Harbor Large Cap Value Fund Institutional Class $19.95 -0.89% $941M —
RPFFX Royce Premier Fund Service Class $11.08 0.00% $1.49B —
BLK BlackRock, Inc. $1069.63 -0.91% $166B —
BX Blackstone Inc. $111.82 -1.36% $135B —
APOS Apollo Global Management, Inc. $25.50 -0.39% $74.6B —

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

What Are WSMDX's Key Strengths?

Focus on small and mid-cap growth companies.

  • Diversified portfolio reduces risk.
  • Experienced investment management team.

What Are WSMDX's Weaknesses?

No dividend yield may deter income-seeking investors.

  • Performance is subject to market volatility.
  • Higher expense ratio compared to some index funds.

What Are the Key Risks for WSMDX?

Economic downturn could negatively impact performance.

  • Increased competition from other asset management firms.
  • Changes in interest rates could affect market valuations.

What Are WSMDX's Competitive Advantages?

  • Established investment process focused on small and mid-cap growth.
  • Experienced investment management team.
  • Diversified portfolio reduces risk.

What Does WSMDX Do?

William Blair Small-Mid Cap Growth Fund Class I (WSMDX) is designed to provide investors with long-term capital appreciation. The fund achieves this objective by investing primarily in a diversified portfolio of equity securities of small and mid-cap domestic growth companies. Under normal market conditions, WSMDX invests at least 80% of its net assets (plus any borrowings for investment purposes) in the stocks of these companies. These investments include common stocks and other forms of equity investments, such as securities convertible into common stocks. The fund focuses on companies expected to exhibit quality growth characteristics. The fund operates within the asset management industry, offering investors exposure to a specific segment of the market characterized by growth potential. The fund's investment strategy involves identifying and investing in companies that demonstrate strong growth prospects, with the aim of delivering long-term returns to its investors. The fund is managed by William Blair Investment Management, LLC, a global investment management firm with expertise in various asset classes and investment strategies.

What Products and Services Does WSMDX Offer?

  • Invests in a diversified portfolio of equity securities.
  • Focuses on small and mid-cap domestic growth companies.
  • Seeks long-term capital appreciation.
  • Allocates at least 80% of net assets to small and mid-cap stocks.
  • Invests in common stocks and convertible securities.
  • Targets companies with quality growth characteristics.

How Does WSMDX Make Money?

  • Generates revenue through management fees based on assets under management (AUM).
  • Aims to outperform its benchmark index by selecting high-growth small and mid-cap stocks.
  • Attracts investors seeking long-term capital appreciation.

What Industry Does WSMDX Operate In?

William Blair Small-Mid Cap Growth Fund Class I (WSMDX) operates within the asset management industry, which is characterized by intense competition and evolving market trends. The industry is influenced by factors such as interest rates, economic growth, and investor sentiment. WSMDX competes with other asset management firms offering similar investment strategies focused on small and mid-cap growth companies. The fund's success depends on its ability to generate competitive returns and attract investors seeking exposure to this market segment. The asset management industry is also subject to regulatory oversight, which can impact the fund's operations and investment strategies.

Who Are WSMDX's Key Customers?

  • Individual investors
  • Institutional investors
  • Retirement plans
Model self-rating on this text: 81% (not a measure of the evidence) Updated: Mar 17, 2026

Research confidence

Low

Thin evidence — scoring coverage unknown. Treat this as a starting point, not a conclusion.

  • ● Scoring coverage unknown
  • ● Price is current
  • ● No filing on record
  • ● No analyst coverage
  • ● This is a fund, not an operating company

MoonshotScore History

Recorded daily since 2026-08-23 · 43 snapshots

2026-08-23 44
2026-08-31 44
2026-09-08 44
2026-09-16 44
2026-09-24 44
2026-10-04 44
2026-10-06 44

What changed?

The score has stayed at 44.

Over the same 30 days the stock moved +0.2%.

WSMDX Financials

Bull Case vs Bear Case

Bull Case

  • Focus on small and mid-cap growth companies.
  • Diversified portfolio reduces risk.
  • Experienced investment management team.
  • Ongoing: Continued growth in the small and mid-cap market.

Bear Case

  • No dividend yield may deter income-seeking investors.
  • Performance is subject to market volatility.
  • Higher expense ratio compared to some index funds.
  • Potential: Economic downturn could negatively impact performance.

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

WSMDX Latest News

No recent news available for WSMDX.

WSMDX Analyst Consensus

Consensus Rating

Aggregated Buy/Hold/Sell recommendations collected by Financial Modeling Prep for WSMDX.

Price Targets

Wall Street price target analysis for WSMDX.

WSMDX MoonshotScore

MoonshotScore is Stock Expert AI's proprietary 0-100 research rating, not a buy or sell recommendation. No MoonshotScore is published for WSMDX; grades run from A+ (80-100) to F (below 30).

What Investors Ask About William Blair Small-Mid Cap Growth Fund Class I (WSMDX) — Financials

What are the main risks for WSMDX?

The main risks for WSMDX include market volatility, which can impact the fund's performance due to fluctuations in the value of its investments.

How sensitive is WSMDX to interest rate changes?

WSMDX, as a fund investing in small and mid-cap growth companies, is indirectly sensitive to interest rate changes. Rising interest rates can increase borrowing costs for these companies, potentially slowing down their growth.

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

MoonshotScore is not published for this security.

Data Sources & Methodology
Figures come from Financial Modeling Prep (FMP). If FMP has no figure for a ticker, a price or fundamental may come from a Yahoo Finance fallback, or a price from an Alpaca fallback. SEC EDGAR is used only for filing links and company identity details (legal name, address), never for figures. 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
  • Financial data is based on available information and may be subject to change.
Data Sources
Financial Modeling Prep (FMP)Stock Expert AI proprietary analysis