GSI TECHNOLOGY INC - GSIT
Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 2 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC | History | Added to | 1,453,236 | 9,024 | 0.0% | 0.0% | 1 | +515,525 | 54.98% | Q4 2025 | Jan 29, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 934,053 | 5,800 | 0.0% | 0.0% | 2 | +721,702 | 339.86% | Q4 2025 | Feb 17, 2026 |
| Silverberg Bernstein Capital Management LLC | History | Added to | 774,506 | 4,809 | 2.78% | 1.68% | 3 | +21,332 | 2.83% | Q4 2025 | Jan 12, 2026 |
| MARSHALL WACE, LLP | History | Added to | 727,077 | 4,515 | 0.0% | 0.0% | 4 | +385,185 | 112.66% | Q4 2025 | Feb 13, 2026 |
| BlackRock, Inc. | History | Added to | 506,620 | 3,146 | 0.0% | 0.0% | 5 | +373,108 | 279.46% | Q4 2025 | Feb 12, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Added to | 500,364 | 3,107 | 0.0% | 0.0% | 6 | +109,106 | 27.89% | Q4 2025 | Feb 17, 2026 |
| CITADEL ADVISORS LLC | History | Added to | 354,755 | 2,203 | 0.0% | 0.0% | 7 | +175,664 | 98.09% | Q4 2025 | Feb 17, 2026 |
| Concentric Capital Strategies, LP | History | New | 340,664 | 2,115 | 0.1% | — | 8 | +340,664 | New | Q4 2025 | Feb 17, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 325,567 | 2,022 | 0.0% | 0.0% | 9 | +83,427 | 34.45% | Q4 2025 | Feb 09, 2026 |
| UBS Group AG | History | Added to | 320,672 | 1,991 | 0.0% | 0.0% | 10 | +153,000 | 91.25% | Q4 2025 | Jan 29, 2026 |
| JANE STREET GROUP, LLC | History | Added to | 221,094 | 1,372 | 0.0% | 0.0% | 11 | +161,380 | 270.25% | Q4 2025 | Feb 12, 2026 |
| GOLDMAN SACHS GROUP INC | History | Added to | 189,579 | 1,177 | 0.0% | 0.0% | 12 | +92,185 | 94.65% | Q4 2025 | Mar 25, 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | History | Reduced | 185,532 | 1,152 | 0.0% | 0.0% | 13 | -49,985 | -21.22% | Q4 2025 | Feb 13, 2026 |
| DISCOVERY CAPITAL MANAGEMENT, LLC / CT | History | New | 183,600 | 1,140 | 0.06% | — | 14 | +183,600 | New | Q4 2025 | Feb 17, 2026 |
| GROUP ONE TRADING LLC | History | Added to | 158,655 | 985 | 0.0% | 0.0% | 15 | +5,705 | 3.73% | Q4 2025 | Feb 12, 2026 |
| IMC-Chicago, LLC | History | New | 136,072 | 845 | 0.0% | — | 16 | +136,072 | New | Q4 2025 | Jan 29, 2026 |
| 683 Capital Management, LLC | History | New | 118,835 | 737 | 0.03% | — | 17 | +118,835 | New | Q4 2025 | Feb 17, 2026 |
| Squarepoint Ops LLC | History | Reduced | 116,807 | 725 | 0.0% | 0.0% | 18 | -58,578 | -33.4% | Q4 2025 | Feb 13, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Reduced | 116,301 | 722 | 0.0% | 0.0% | 19 | -269,608 | -69.86% | Q4 2025 | Feb 12, 2026 |
| SIMPLEX TRADING, LLC | History | Added to | 116,314 | 722 | 0.0% | 0.0% | 20 | +53,975 | 86.58% | Q4 2025 | Feb 11, 2026 |
| STATE STREET CORP | History | Added to | 106,142 | 659 | 0.0% | 0.0% | 21 | +25,700 | 31.95% | Q4 2025 | Feb 13, 2026 |
| MORGAN STANLEY | History | Added to | 96,731 | 600 | 0.0% | 0.0% | 22 | +92,830 | 2379.65% | Q4 2025 | Feb 13, 2026 |
| Tidal Investments LLC | History | New | 91,607 | 568 | 0.0% | — | 23 | +91,607 | New | Q4 2025 | Feb 13, 2026 |
| COMMONWEALTH EQUITY SERVICES, LLC | History | Added to | 88,934 | 552 | 0.0% | 0.0% | 24 | +33,080 | 59.23% | Q4 2025 | Feb 12, 2026 |
| OSAIC HOLDINGS, INC. | History | Added to | 87,976 | 546 | 0.0% | 0.0% | 25 | +74,809 | 568.16% | Q4 2025 | Feb 17, 2026 |
| Connor, Clark & Lunn Investment Management Ltd. | History | Added to | 86,431 | 536 | 0.0% | 0.0% | 26 | +17,752 | 25.85% | Q4 2025 | Feb 10, 2026 |
| Centiva Capital, LP | History | New | 63,991 | 397 | 0.0% | — | 27 | +63,991 | New | Q4 2025 | Feb 13, 2026 |
| NORTHERN TRUST CORP | History | Added to | 61,048 | 379 | 0.0% | 0.0% | 28 | +19,845 | 48.16% | Q4 2025 | Feb 17, 2026 |
| PEAK6 LLC | History | New | 57,600 | 357 | 0.0% | — | 29 | +57,600 | New | Q4 2025 | Mar 12, 2026 |
| Graham Capital Management, L.P. | History | New | 55,886 | 347 | 0.01% | — | 30 | +55,886 | New | Q4 2025 | Feb 17, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Reduced | 50,847 | 315 | 0.0% | 0.0% | 31 | -250,020 | -83.1% | Q4 2025 | Feb 12, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | New | 45,843 | 284 | 0.0% | — | 32 | +45,843 | New | Q4 2025 | Feb 17, 2026 |
| GSA CAPITAL PARTNERS LLP | History | Added to | 37,879 | 235 | 0.02% | 0.01% | 33 | +13,971 | 58.44% | Q4 2025 | Feb 06, 2026 |
| CANADA PENSION PLAN INVESTMENT BOARD | History | New | 33,000 | 204 | 0.0% | — | 35 | +33,000 | New | Q4 2025 | Feb 17, 2026 |
| JB CAPITAL PARTNERS LP | History | No change | 33,000 | 204 | 0.04% | 0.02% | 34 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| ESSEX INVESTMENT MANAGEMENT CO LLC | History | Reduced | 30,454 | 189 | 0.03% | 0.03% | 36 | -17,883 | -37.0% | Q4 2025 | Feb 13, 2026 |
| BARCLAYS PLC | History | New | 27,367 | 169 | 0.0% | — | 37 | +27,367 | New | Q4 2025 | Feb 13, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | No change | 24,500 | 152 | 0.0% | 0.0% | 38 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Jump Financial, LLC | History | Reduced | 22,950 | 142 | 0.0% | 0.0% | 39 | -5,043 | -18.02% | Q4 2025 | Feb 17, 2026 |
| SYMMETRY PEAK MANAGEMENT LLC | History | New | 22,500 | 139 | 0.04% | — | 40 | +22,500 | New | Q4 2025 | Feb 17, 2026 |
| CITIGROUP INC | History | Added to | 21,895 | 135 | 0.0% | 0.0% | 41 | +21,618 | 7804.33% | Q4 2025 | Feb 13, 2026 |
| OMERS ADMINISTRATION Corp | History | New | 20,500 | 127 | 0.0% | — | 42 | +20,500 | New | Q4 2025 | Feb 13, 2026 |
| Lighthouse Investment Partners, LLC | History | New | 17,280 | 107 | 0.0% | — | 43 | +17,280 | New | Q4 2025 | Feb 17, 2026 |
| Vanguard Personalized Indexing Management, LLC | History | Added to | 16,748 | 104 | 0.0% | 0.0% | 44 | +104 | 0.62% | Q4 2025 | Feb 13, 2026 |
| NewEdge Advisors, LLC | History | Reduced | 16,332 | 101 | 0.0% | 0.0% | 45 | -2,058 | -11.19% | Q4 2025 | Feb 18, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 15,369 | 95 | 0.0% | 0.0% | 46 | +1,851 | 13.69% | Q4 2025 | Feb 17, 2026 |
| Schonfeld Strategic Advisors LLC | History | New | 13,102 | 81 | 0.0% | — | 47 | +13,102 | New | Q4 2025 | Feb 17, 2026 |
| Susquehanna Portfolio Strategies, LLC | History | No change | 12,600 | 78 | 0.0% | 0.0% | 48 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Virtu Financial LLC | History | New | 12,188 | 76 | 0.0% | — | 49 | +12,188 | New | Q4 2025 | Feb 23, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Reduced | 6,340 | 39 | 0.0% | 0.0% | 50 | -196,184 | -96.87% | Q4 2025 | Feb 10, 2026 |
| CIBC Private Wealth Group LLC | History | New | 5,000 | 31 | 0.0% | — | 51 | +5,000 | New | Q4 2025 | Feb 12, 2026 |
| Tower Research Capital LLC (TRC) | History | New | 4,591 | 28 | 0.0% | — | 52 | +4,591 | New | Q4 2025 | Feb 17, 2026 |
| FNY Investment Advisers, LLC | History | New | 4,000 | 24 | 0.01% | — | 53 | +4,000 | New | Q4 2025 | Jan 16, 2026 |
| ROYAL BANK OF CANADA | History | New | 3,127 | 20 | 0.0% | — | 54 | +3,127 | New | Q4 2025 | Feb 17, 2026 |
| Allworth Financial LP | History | New | 1,598 | 9 | 0.0% | — | 55 | +1,598 | New | Q4 2025 | Feb 05, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | Reduced | 600 | 3 | 0.0% | 0.0% | 56 | -1,925 | -76.24% | Q4 2025 | Feb 17, 2026 |
| CoreCap Advisors, LLC | History | New | 500 | 3 | 0.0% | — | 58 | +500 | New | Q4 2025 | Jan 13, 2026 |
| Steward Partners Investment Advisory, LLC | History | No change | 500 | 3 | 0.0% | 0.0% | 57 | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| MILLER WEALTH ADVISORS, LLC | History | New | 300 | 1 | 0.0% | — | 60 | +300 | New | Q4 2025 | Jan 20, 2026 |
| FMR LLC | History | New | 231 | 1 | 0.0% | — | 59 | +231 | New | Q4 2025 | Feb 17, 2026 |
| Farther Finance Advisors, LLC | History | No change | 200 | 1 | 0.0% | — | 61 | 0 | 0.0% | Q4 2025 | Jan 23, 2026 |
| XTX Topco Ltd | History | Closed out | 0 | 0 | — | 0.02% | — | -113,385 | -100.0% | Q3 2025 | Nov 14, 2025 |
| TWO SIGMA ADVISERS, LP | History | Closed out | 0 | 0 | — | 0.0% | — | -46,500 | -100.0% | Q3 2025 | Nov 14, 2025 |
| ALGERT GLOBAL LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -23,970 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Dynamic Technology Lab Private Ltd | History | Closed out | 0 | 0 | — | 0.01% | — | -18,678 | -100.0% | Q3 2025 | Nov 13, 2025 |
| U.S. Capital Wealth Advisors, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -16,333 | -100.0% | Q3 2025 | Oct 09, 2025 |
| PRELUDE CAPITAL MANAGEMENT, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -14,200 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Legato Capital Management LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -11,365 | -100.0% | Q3 2025 | Nov 12, 2025 |
| R Squared Ltd | History | Closed out | 0 | 0 | — | 0.02% | — | -10,421 | -100.0% | Q3 2025 | Nov 12, 2025 |
| JPMORGAN CHASE & CO | History | Reduced | 29 | 0 | — | 0.0% | — | -4,064 | -99.29% | Q4 2025 | Feb 11, 2026 |
| WELLS FARGO & COMPANY/MN | History | Closed out | 0 | 0 | — | 0.0% | — | -3,097 | -100.0% | Q3 2025 | Nov 13, 2025 |
| Rise Advisors, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -738 | -100.0% | Q3 2025 | Oct 08, 2025 |
| HUNTINGTON NATIONAL BANK | History | New | 1 | 0 | — | — | — | +1 | New | Q4 2025 | Feb 09, 2026 |
| SBI Securities Co., Ltd. | History | No change | 51 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 03, 2026 |