Who owns GSI TECHNOLOGY INC?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of GSIT from SEC Form 13F filings across 89 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, 89 institutions disclosed 13.7M shares of GSI TECHNOLOGY INC worth $106.2M — about 36.8% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
89
13F holders
$106.2M
value, 2026 filers
36.8%
of shares outstanding (13.7M sh)
36
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 GSIT's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 2.4M | $18.6M | 0.0% | 6.4% | +341.1% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 1.4M | $10.4M | 0.0% | 3.6% | +5.6% |
| 3 | PRICE T ROWE ASSOCIATES INC /MD/ | 1.1M | $8.8M | 0.0% | 3% | +53.1% |
| 4 | MARSHALL WACE, LLP | 1.1M | $8.7M | 0.0% | 3% | +75.7% |
| 5 | TWO SIGMA INVESTMENTS, LP | 875,894 | $6.8M | 0.0% | 2.3% | +65.2% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 801,890 | $6.2M | 0.0% | 2.1% | +128.7% |
| 7 | Silverberg Bernstein Capital Management LLC | 783,306 | $6.1M | 2.3% | 2.1% | -0.3% |
| 8 | WELLS FARGO & COMPANY/MN | 469,032 | $3.6M | 0.0% | 1.3% | +6.6% |
| 9 | STATE STREET CORP | 406,972 | $3.1M | 0.0% | 1.1% | +193.1% |
| 10 | Qube Research & Technologies Ltd | 351,384 | $2.7M | 0.0% | 0.9% | +1918.4% |
| 11 | MILLENNIUM MANAGEMENT LLC | 339,611 | $2.6M | 0.0% | 0.9% | -21.0% |
| 12 | Connor, Clark & Lunn Investment Management Ltd. | 308,520 | $2.4M | 0.0% | 0.8% | +165.2% |
| 13 | NORTHERN TRUST CORP | 238,481 | $1.8M | 0.0% | 0.6% | +290.6% |
| 14 | T. Rowe Price Investment Management, Inc.NEW | 225,767 | $1.7M | 0.0% | 0.6% | new |
| 15 | VANGUARD PORTFOLIO MANAGEMENT LLCNEW | 217,708 | $1.7M | 0.0% | 0.6% | new |
| 16 | VANGUARD FIDUCIARY TRUST CO | 214,899 | $1.7M | 0.0% | 0.6% | +15.9% |
| 17 | GSA CAPITAL PARTNERS LLP | 178,168 | $1.4M | 0.1% | 0.5% | +150.1% |
| 18 | Potomac Capital Management, Inc. | 168,110 | $1.3M | 0.9% | 0.5% | -51.7% |
| 19 | UBS Group AG | 162,595 | $1.3M | 0.0% | 0.4% | -46.8% |
| 20 | RENAISSANCE TECHNOLOGIES LLC | 142,901 | $1.1M | 0.0% | 0.4% | +81.6% |
| 21 | Trexquant Investment LPNEW | 124,497 | $962,362 | 0.0% | 0.3% | new |
| 22 | JANE STREET GROUP, LLC | 113,735 | $879,172 | 0.0% | 0.3% | -66.9% |
| 23 | XTX Topco Ltd | 109,668 | $847,734 | 0.0% | 0.3% | +839.3% |
| 24 | OSAIC HOLDINGS, INC. | 100,495 | $776,804 | 0.0% | 0.3% | -0.8% |
| 25 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 95,202 | $735,911 | 0.0% | 0.3% | +428.8% |
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.