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VI

NASDAQ · VINIX

Vanguard Institutional Index Fund Institutional Shares

Financial Services · Asset Management

$615.10

Up+$2.69 (+0.44%)

Updated Aug 24, 2026, 7:53 AM

SID Score

6.4/10

Composite research score

Smart Money

46/100

Neutral

Market cap
341.77B
P/E ratio
Dividend yield
2.94%
52-week range
— – —
Volume
0
Avg. volume
0

Price performance

VINIX price history

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VINIX research

Overview

Company profile and research snapshot.

Company profile

The fund employs an indexing investment approach designed to track the performance of the S&P 500 Index, a widely recognized benchmark of U.S. stock market performance that is dominated by the stocks of large U.S. companies. The advisor attempts to replicate the target index by investing all, or substantially all, of its assets in the stocks that make up the index, holding each stock in approximately the same proportion as its weighting in the index.

Analyst outlook

Consensus and target data currently published for this company.

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AI research layers

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Vanguard Institutional Index Fund Institutional Shares Stock Performance

Vanguard Institutional Index Fund Institutional Shares (VINIX) currently trades at $615.10, per SID market data, reflecting its role as a large-cap index fund designed to track the S&P 500. The fund carries a beta of 1.00, indicating its returns move in precise lockstep with the broader market benchmark, consistent with its passive indexing strategy. The fund's total market capitalization stands at approximately $341.77 billion, according to SID market data, underscoring its position as one of the largest institutional index vehicles available. Average reported trading volume registers at zero in the current dataset, which is characteristic of mutual fund share classes that transact at net asset value rather than on open exchanges. As a Financial Services sector vehicle, VINIX provides broad equity exposure across all eleven S&P 500 sectors, serving as a core portfolio allocation for institutional investors seeking market-matching returns with minimal tracking error.

Vanguard Institutional Index Fund Valuation Analysis

Vanguard Institutional Index Fund Institutional Shares (VINIX) currently offers a dividend yield of 3.24%, per SID market data, which reflects the aggregate dividend distributions from its underlying S&P 500 holdings. This yield sits notably above the S&P 500's typical trailing yield, suggesting the distribution includes both regular dividends and potential capital gains payouts. With assets under management totaling approximately $341.77 billion, according to SID market data, VINIX ranks among the largest institutional share classes in the Vanguard fund family. As a passively managed index fund, traditional valuation metrics such as price-to-earnings or price-to-book ratios apply at the portfolio level rather than to the fund itself. The fund's valuation effectively mirrors the aggregate valuation of the S&P 500 index. Investors evaluating VINIX assess broad market valuation levels rather than fund-specific fundamentals, as the vehicle is designed to replicate, not outperform, its benchmark index.

Smart Money Activity for VINIX

Vanguard Institutional Index Fund Institutional Shares (VINIX) registers an overall smart money score of 46 out of 100, with a neutral signal designation, per SID market data. The composite score breaks down across four sub-categories: insider activity scores 12.5 out of 25, institutional activity also scores 12.5 out of 25, dark pool activity registers at 8.5 out of 25, and congressional trading activity scores 12.0 out of 25, according to SEC Form 4 filings and 13F institutional filings. The relatively low dark pool score of 8.5 is consistent with VINIX's structure as a mutual fund share class, which does not trade on secondary exchanges or alternative trading systems where dark pool activity is typically measured. The middling institutional and insider scores reflect the fund's nature as a passive vehicle rather than an individual equity, where concentrated smart money positioning would carry greater analytical significance. Congressional trading activity at 12.0 out of 25 suggests moderate but unremarkable allocation among legislators' disclosed portfolios.

Vanguard Institutional Index Fund Earnings Outlook

No recent earnings data is available for Vanguard Institutional Index Fund Institutional Shares (VINIX), per company earnings reports, which is structurally expected for a mutual fund vehicle. Unlike individual equities, VINIX does not report quarterly earnings, revenue, or forward guidance. Instead, the fund's performance is derived entirely from the aggregate earnings results of its approximately 500 underlying S&P 500 constituent holdings. The fund currently maintains a market capitalization of approximately $341.77 billion and a dividend yield of 3.24%, according to SID market data. Investors tracking VINIX's earnings exposure effectively monitor the collective earnings trajectory of the S&P 500 index. Quarterly distributions from the fund reflect dividends received from portfolio companies rather than fund-level profits. As a passively managed index fund, VINIX does not engage in active security selection based on earnings forecasts, and traditional earnings-per-share metrics are not applicable to this investment structure.

Wall Street Analyst Ratings for VINIX

No Wall Street analyst ratings or consensus price targets are currently available for Vanguard Institutional Index Fund Institutional Shares (VINIX), per SID consensus data. This absence is standard for mutual fund share classes, as sell-side analysts do not issue buy, hold, or sell recommendations on passively managed index funds. Analyst coverage instead focuses on the approximately 500 individual equities held within VINIX's S&P 500-tracking portfolio. The fund's $341.77 billion in assets and its 3.24% dividend yield, according to SID market data, position it as a widely utilized institutional vehicle that is evaluated through fund rating agencies such as Morningstar rather than traditional Wall Street research desks. Institutional investors selecting VINIX typically assess factors including expense ratio, tracking error, and tax efficiency rather than analyst consensus targets. The fund's beta of 1.00 confirms its benchmark-replicating mandate, making individual analyst sentiment inapplicable to the overall fund structure while remaining relevant to its component holdings.