GSI Technology Inc
Ownership
Ownership Structure
Who owns GSI Technology Inc (GSIT)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 84.8% of the shares are freely tradable; institutional investors hold 28.7%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 6.24 | 2,399,846 | +341.1 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.51 | 1,350,367 | +5.6 | 06/30/2026 |
| T. Rowe Price Associates, Inc. | 2.96 | 1,136,693 | +53.1 | 06/30/2026 |
| Marshall Wace Asset Management Ltd | 2.92 | 1,122,703 | +75.7 | 06/30/2026 |
| Two Sigma Investments LLC | 2.28 | 875,894 | +65.2 | 06/30/2026 |
| Geode Capital Management, LLC | 2.09 | 801,890 | +128.7 | 06/30/2026 |
| Silverberg Bernstein Capital Management LLC | 1.96 | 753,804 | -3.8 | 09/30/2026 |
| Wells Fargo & Co | 1.22 | 469,032 | +6.6 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Russell 2000 ETF | 2.57 | 988,637 | -1.1 | 09/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 2.55 | 979,771 | +0.0 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Hsieh Hong-Po | Director | 76,560 | 275,616 $ | Aug 3, 2026 | direct |
| Cholawsky Elizabeth | Director | 61,867 | 222,721 $ | Jul 15, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 3, 2026 | Hsieh Hong-Po | Director | Other | 27,486 | 1.91 | 52,498 |
| Aug 3, 2026 | Hsieh Hong-Po | Director | Other | 28,074 | 1.87 | 52,498 |
| Jul 15, 2026 | Cholawsky Elizabeth | Director | Other | 500 | 3.69 | 1,845 |
| Jul 15, 2026 | Cholawsky Elizabeth | Director | Other | 31,675 | 1.91 | 60,499 |
| Jul 15, 2026 | Cholawsky Elizabeth | Director | Other | 28,342 | 1.87 | 53,000 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 4, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.