iShares S&P 500 Index K (WFSPX)
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.
iShares S&P 500 Index K (WFSPX) trades at $869.66 with AI Score 44/100 (Grade C). iShares S&P 500 Index K (WFSPX) is a feeder fund that invests substantially all of its assets in the Master Portfolio of MIP, mirroring the S&P 500 Index. Market cap: $59.93B, Sector: Financial services.
Price live · AI analysis from Mar 17, 2026Analyst Coverage for WFSPX: WFSPX 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 WFSPX against Financial Services peers across nine fundamental dimensions and assigns an underweight signal based on the underlying data.
WFSPX: the 1 perspectives are evenly split.
How is this calculated? →iShares S&P 500 Index K (WFSPX) Financial Services Profile
iShares S&P 500 Index K (WFSPX) is a passively managed index fund seeking to replicate the performance of the S&P 500. As a feeder fund, it invests in a master portfolio, providing investors with broad market exposure and diversification across various sectors within the U.S. economy, with a market cap of $59.93B.
What Is the Investment Thesis for WFSPX?
WFSPX's investment thesis centers on its ability to provide investors with broad exposure to the U.S. equity market through a passively managed fund that tracks the S&P 500 Index. With a market capitalization of $59.93B, the fund offers substantial liquidity and diversification. The primary value driver is the fund's low expense ratio and its ability to closely replicate the returns of the S&P 500. A key growth catalyst is the continued interest in passive investing and the increasing allocation of assets to index funds. Potential risks include market volatility and the concentration of investments in a relatively small number of large-cap stocks. As of 2026-03-17, the fund's beta of 1.00 indicates that it is expected to move in line with the market, which could amplify both gains and losses.
Based on FMP financials and quantitative analysis
WFSPX Key Highlights
- WFSPX's investment strategy focuses on replicating the S&P 500 index, providing broad market exposure.
- The fund maintains a beta of 1.00, indicating market-level volatility.
- WFSPX operates as a feeder fund, investing all assets into a master portfolio with the same investment objective.
- The fund invests at least 90% of its assets in securities comprising the S&P 500 Index.
- WFSPX has a market cap of $59.93B, reflecting its significant scale and market presence.
Who Are WFSPX's Competitors?
WFSPX is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.
| Company | Price | Change | Market Cap | AI Score |
|---|---|---|---|---|
| AAGTX American Funds 2040 Target Date Retirement Fund Class A | $24.95 | -0.16% | $54.45B | 44 |
| BSPAX iShares S&P 500 Index Fund Investor A Shares | $869.26 | +0.00% | $59.93B | 47 |
| BSPIX iShares S&P 500 Index Fund Institutional Shares | $869.44 | +0.00% | $59.93B | — |
| FAETX American Funds 2030 Target Date Retirement Fd Cl F-1 | $19.55 | +0.15% | $52.90B | 44 |
| FAQTX American Funds 2035 Target Date Retirement Fd Cl F-1 | $22.11 | +0.09% | $57.09B | 44 |
| NXDT NexPoint Diversified Real Estate Trust | $5.53 | +3.08% | $285.77M | 73 |
| GENB Generate Biomedicines, Inc. | $17.03 | -2.18% | $2.18B | 72 |
| SII Sprott Inc. | $118.11 | +2.72% | $3.05B | 71 |
AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance
What Are WFSPX's Key Strengths?
- Low expense ratio
- Broad market exposure
- High liquidity
- Strong brand recognition
What Are WFSPX's Weaknesses?
- Limited potential for outperformance
- Vulnerability to market downturns
- No active management to mitigate risks
- Lack of flexibility in investment strategy
What Could Drive WFSPX Stock Higher?
- Continued growth in passive investing and increased allocation to index funds.
- Market performance of the S&P 500 Index.
- Potential launch of new ETF offerings by iShares to cater to specific investor needs.
- Increased demand for ESG investments leading to the launch of an S&P 500 ESG index fund.
What Are the Key Risks for WFSPX?
- Market volatility and economic downturns impacting the performance of the S&P 500.
- Increased competition from other index funds leading to lower expense ratios and reduced profitability.
- Changes in tax laws impacting the attractiveness of index funds.
- Concentration of investments in a relatively small number of large-cap stocks.
- Dependence on the performance of the S&P 500 Index.
What Are the Growth Opportunities for WFSPX?
- Continued adoption of passive investing: The trend towards passive investing is expected to continue, driven by the desire for low-cost, diversified investment options. As more investors allocate assets to index funds, WFSPX stands to benefit from increased inflows. The market size for passive investments is estimated to reach trillions of dollars in the coming years, providing a significant growth opportunity for WFSPX. This growth is expected to be ongoing, with no specific end date.
- Expansion of ETF offerings: iShares could expand its ETF offerings to include more specialized or thematic S&P 500 index funds. This would allow the company to cater to a wider range of investors and capture a larger share of the market. The market for specialized ETFs is growing rapidly, with new products being launched regularly. This expansion could occur over the next 2-3 years as iShares identifies and develops new ETF strategies.
- Increased focus on ESG investing: Environmental, social, and governance (ESG) factors are becoming increasingly important to investors. iShares could launch an S&P 500 ESG index fund to cater to this growing demand. The market for ESG investments is expanding rapidly, with trillions of dollars flowing into ESG-focused funds. This launch could occur within the next year, as iShares responds to investor demand for ESG options.
- Partnerships with financial advisors: iShares could partner with financial advisors to promote WFSPX to their clients. This would provide the fund with access to a wider audience and increase its assets under management. Financial advisors play a key role in guiding investment decisions, and partnerships with them could be a significant growth driver. These partnerships could be established over the next 1-2 years, as iShares expands its distribution network.
- International expansion: iShares could expand its reach to international markets by offering WFSPX to investors in other countries. This would provide the fund with access to a larger pool of potential investors and diversify its asset base. The global market for index funds is growing, and international expansion could be a significant growth opportunity. This expansion could occur over the next 3-5 years, as iShares establishes a presence in new markets.
What Opportunities Does WFSPX Have?
- Growth in passive investing
- Expansion of ETF offerings
- Increased focus on ESG investing
- Partnerships with financial advisors
What Threats Does WFSPX Face?
- Increased competition from other index funds
- Market volatility
- Changes in tax laws
- Regulatory changes
What Are WFSPX's Competitive Advantages?
- Scale: WFSPX's large asset base provides it with a cost advantage.
- Brand recognition: iShares is a well-known and respected brand in the ETF industry.
- Low expense ratio: WFSPX's low expense ratio makes it a noteworthy option for investors.
What Does WFSPX Do?
iShares S&P 500 Index K (WFSPX) operates as a feeder fund, channeling all its assets into the Master Portfolio of MIP (Master Investment Portfolio). This structure is designed to mirror the investment objective and strategies of the fund, which is to closely track the performance of the S&P 500 Index. WFSPX invests at least 90% of its assets in securities that constitute the S&P 500. The fund's investment strategy involves maintaining a portfolio where the percentage allocation to each stock is approximately the same as its representation in the S&P 500 Index. This passive investment approach aims to provide investors with returns that closely align with the overall performance of the U.S. equity market, as represented by the S&P 500. The fund's success is thus tied to the performance of the broader market, making it a suitable option for investors seeking broad market exposure. WFSPX offers a cost-effective way to gain access to a diversified portfolio of large-cap U.S. stocks, eliminating the need for individual stock selection and portfolio management. The fund's structure and investment strategy are designed to provide transparency and predictability, making it a popular choice for both individual and institutional investors.
What Products and Services Does WFSPX Offer?
- Replicates the performance of the S&P 500 Index.
- Invests at least 90% of its assets in S&P 500 stocks.
- Maintains a portfolio that mirrors the index's composition.
- Offers investors broad exposure to the U.S. equity market.
- Provides a low-cost, diversified investment option.
- Operates as a feeder fund, investing in a master portfolio.
How Does WFSPX Make Money?
- Generates revenue through management fees charged to investors.
- Operates as a passively managed fund, minimizing expenses.
- Attracts investors seeking broad market exposure and diversification.
What Industry Does WFSPX Operate In?
WFSPX operates within the asset management industry, specifically in the realm of index funds. The industry has seen significant growth in recent years, driven by the increasing popularity of passive investing and the desire for low-cost, diversified investment options. The competitive landscape includes other S&P 500 index funds, as well as actively managed funds that aim to outperform the market. WFSPX's success is tied to its ability to efficiently track the S&P 500 and provide investors with competitive returns. The fund's size and scale provide it with a competitive advantage, allowing it to offer low expense ratios and attract a large investor base.
Who Are WFSPX's Key Customers?
- Individual investors seeking to track the S&P 500.
- Institutional investors looking for broad market exposure.
- Financial advisors seeking low-cost investment options for their clients.
How iShares S&P 500 Index K Is Valued
Relative to its peer group, WFSPX's quantitative score of 44/100 is roughly in line with the peer average of 45/100.
WFSPX Financials
Bull Case vs Bear Case
Bull Case
- WFSPX's broad market exposure mirrors overall economic optimism, with many expecting continued recovery and growth.
- The fund's diversification across the S&P 500 provides a buffer against sector-specific downturns, appealing to risk-averse investors.
- Recent community sentiment indicates a 'buy the dip' mentality, suggesting strong support during market pullbacks.
- Positive insider activity in several S&P 500 companies reflects confidence in future earnings, indirectly benefiting WFSPX.
Bear Case
- Concerns about rising inflation and potential interest rate hikes could dampen market enthusiasm, impacting WFSPX's performance.
- Bearish community views highlight worries about overvaluation in certain sectors within the S&P 500, potentially leading to corrections.
- Geopolitical instability and global economic uncertainties could trigger risk-off sentiment, affecting broad market indexes like WFSPX.
- Market perception suggests some anticipate a slowdown in corporate earnings growth compared to the previous year, posing a challenge for S&P 500 companies.
AI-generated arguments based on insider flow, news sentiment and technicals — not financial advice · March 2026
WFSPX Latest News
No recent news available for WFSPX.
WFSPX Analyst Consensus
Consensus Rating
Aggregated Buy/Hold/Sell recommendations from Benzinga, Yahoo Finance, and Finnhub for WFSPX.
Price Targets
Wall Street price target analysis for WFSPX.
WFSPX MoonshotScore
What does this score mean?
The MoonshotScore rates WFSPX's growth potential on a scale of 0-100 across multiple factors including innovation, market disruption, financial health, and momentum.
Common Questions About WFSPX (Financial Services)
What does iShares S&P 500 Index K do?
iShares S&P 500 Index K (WFSPX) is designed to mirror the performance of the S&P 500 Index, offering investors a straightforward way to invest in a broad basket of large-cap U.S. stocks. It operates as a feeder fund, investing all its assets into a master portfolio. The fund's primary goal is to provide returns that closely track the S&P 500, making it a suitable choice for investors seeking diversified exposure to the U.S. equity market without the need for individual stock selection. The fund's success is directly tied to the performance of the S&P 500.
What are the main risks for WFSPX?
The primary risk for WFSPX is market risk, as the fund's performance is directly tied to the S&P 500 Index. Economic downturns, geopolitical events, and other market-related factors can negatively impact the fund's returns. Additionally, the fund is subject to concentration risk, as a significant portion of its assets are invested in a relatively small number of large-cap stocks. Changes in interest rates and inflation can also affect the performance of the fund. Investors should be aware of these risks and consider their own risk tolerance before investing in WFSPX.
How is iShares S&P 500 Index K adapting to fintech disruption?
As a passively managed index fund, iShares S&P 500 Index K's adaptation to fintech disruption is indirect. The fund's holdings reflect the composition of the S&P 500, which includes companies across various sectors, including technology and fintech. As fintech companies disrupt traditional financial services, their representation in the S&P 500 may increase, leading to a corresponding increase in WFSPX's exposure to these companies. iShares, as the fund provider, also leverages technology to enhance its operational efficiency and reduce costs, which benefits investors through lower expense ratios and improved tracking of the index.
What regulatory challenges does iShares S&P 500 Index K face?
iShares S&P 500 Index K, as a registered investment company, is subject to regulatory oversight by the Securities and Exchange Commission (SEC). These regulations cover various aspects of the fund's operations, including disclosure requirements, investment limitations, and compliance procedures. The fund must adhere to strict rules regarding the valuation of its assets, the management of conflicts of interest, and the protection of investor assets. Changes in regulations, such as those related to fund governance or trading practices, could impact the fund's operations and compliance costs. iShares must continuously monitor and adapt to the evolving regulatory landscape to ensure compliance and maintain investor confidence.
What are the key factors to evaluate for WFSPX?
iShares S&P 500 Index K (WFSPX) holds an AI score of 44/100 (low). Not financial advice.
How frequently does WFSPX data refresh on this page?
WFSPX prices update in real time during U.S. market hours. Fundamentals refresh after quarterly filings; analyst ratings and AI insights update daily; news is aggregated continuously.
What has driven WFSPX's recent stock price performance?
iShares S&P 500 Index K (WFSPX) moves on earnings results, analyst revisions, sector rotation, and market sentiment. Notable catalyst: Low expense ratio. See the News tab for the latest drivers. Past performance does not predict future results.
Should investors consider WFSPX overvalued or undervalued right now?
Valuing iShares S&P 500 Index K (WFSPX) requires multiple metrics. 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
Data provided for informational purposes only.
- AI analysis pending for WFSPX. Information is based on publicly available data and may be subject to change.