Who owns Vanguard Institutional Index Fund Institutional Shares?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of VINIX from SEC Form 13F filings across 7 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 7 institutions disclosed 404,713 shares of Vanguard Institutional Index Fund Institutional Shares worth $242.9M — about 0.1% of shares outstanding; the largest disclosed holder is Fulton Bank, N.A.. Source: SEC Form 13F filings, parsed by EvidInvest.
7
13F holders
$242.9M
value, 2026 filers
0.1%
of shares outstanding (404,713 sh)
3
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of VINIX's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Fulton Bank, N.A. | 380,463 | $228.4M | 7.0% | 0.1% | +0.8% |
| 2 | GREAT LAKES ADVISORS, LLC | 21,047 | $12.6M | 0.1% | 0% | -2.6% |
| 3 | FIRST MERCHANTS CORP | 1,510 | $906,016 | 0.0% | 0% | 0.0% |
| 4 | NORTH STAR ASSET MANAGEMENT INC | 977 | $586,447 | 0.0% | 0% | 0.0% |
| 5 | Wealthspire Advisors, LLCNEW | 642 | $385,087 | 0.0% | 0% | new |
| 6 | Financial Gravity Companies, Inc.NEW | 68 | $41,054 | 0.0% | 0% | new |
| 7 | NBT BANK, N.A.NEW | 6 | $3,897 | 0.0% | 0% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.