GSI Technology, Inc. (GSIT) ownership: Top institutional holder: VANGUARD GROUP INC ($9.02M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 1453236.00 | $9.02M | 2025-12-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1278432.00 | $6.57M | 2026-03-31 |
| Silverberg Bernstein Capital Management LLC | 785706.00 | $4.04M | 2026-03-31 |
| MARSHALL WACE, LLP | 639027.00 | $3.28M | 2026-03-31 |
| BlackRock, Inc. | 543998.00 | $2.80M | 2026-03-31 |
| TWO SIGMA INVESTMENTS, LP | 530204.00 | $2.73M | 2026-03-31 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 464030.00 | $2.39M | 2026-03-31 |
| WELLS FARGO & COMPANY/MN | 440000.00 | $2.26M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-02 | |
| Sell | null | 2026-06-02 | |
| Sell | null | 2026-06-02 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.