Vanguard Institutional Index Fund Institutional Shares
VINIX
NASDAQ- -
USD
- -
- -
Capital Structure
FRC
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in mil. unless spec.Working Capital
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in mil. unless spec.Growth Rates
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in mil. unless spec.Quarterly Revenue
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in mil. unless spec.Quarterly Earnings Per Share
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in mil. unless spec.Quarterly Dividends Per Share
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in mil. unless spec.- Sector
- Financial Services
- Industry
- Asset Management
- Address
- PO Box 2600 Valley Forge PA United States of America 19482
- IPO Date
- Jul 31, 1990
- CIK
- 0000862084
- Website
- investor.vanguard.com
- Similar Companies
- Business
- Vanguard Institutional Index Fund Institutional Shares (VINIX) is an open-end mutual fund that seeks to track the performance of the S&P 500 Index, which measures the investment return of large-capitalization stocks representing approximately 80% of the U.S. equity market. The fund employs a passive management strategy, investing at least 80% of its assets in stocks included in the benchmark index; it holds a diversified portfolio of approximately 500 large-cap U.S. companies weighted by market capitalization, with top holdings including NVIDIA Corp (8.46%), Apple Inc (6.87%), Microsoft Corp (6.59%), Amazon.com Inc (4.06%), and Broadcom Inc (2.98%) as of late 2025. Launched on July 31, 1990, VINIX is managed by The Vanguard Group, Inc., an investment management firm founded in 1975 and headquartered in Malvern, Pennsylvania; Vanguard operates globally with offices in the United States, Canada, Australia, Asia, and Europe, serving institutional investors with a minimum initial investment of $5 million. Key characteristics include an adjusted expense ratio of 0.035%, a low turnover rate of 4%, total net assets exceeding $338 billion, and quarterly dividend distributions yielding approximately 1.11% on a trailing twelve-month basis. The fund offers institutional-class shares designed for large investors, providing low-cost exposure to the U.S. large-blend equity segment; it maintains a market-cap-weighted portfolio that reflects the index's liquidity and profitability screens, ensuring a slight quality tilt while minimizing trading costs through flexible reconstitution by the S&P Index Committee. Geographic operations focus exclusively on U.S. equities (99.52% allocation), with negligible non-U.S. stock (0.43%) and cash (0.06%) holdings, targeting institutional clients such as pension funds and endowments seeking benchmark-like returns. In recent developments, Vanguard implemented its largest round of fee cuts in early 2025 at an estimated cost of $350 million, reinforcing its commitment to low-cost investing across funds including VINIX. The firm expanded its Investor Choice program in October 2025 by adding three new funds, including its flagship 500 Index Fund, nearly tripling eligible assets to over $3 trillion and doubling participating investors to 20 million; this initiative, which now includes VINIX equivalents, empowers shareholders in proxy voting. Additionally, Vanguard launched three new active equity ETFs in November 2025 (Vanguard Wellington U.S. Value Active ETF, among others) and continued robust asset inflows rivaling BlackRock, while establishing a dedicated wealth management division to enhance services amid growing client demand.