GSI TECHNOLOGY INC (GSIT) Top Institutional Shareholders
GSI TECHNOLOGY INC (GSIT) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $46.37M in GSIT holdings during the latest filing period.
Vanguard Capital Management Llc is currently the largest disclosed institutional shareholder of GSIT tracked by InsiderSet, reporting ownership valued at approximately $6.57M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $9.36M, representing an estimated gain of +42.41% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 64% of the total disclosed GSIT value among the investors covered in this analysis. Major shareholders include Vanguard Capital Management Llc, Silverberg Bernstein Capital Management Llc, Marshall Wace, Llp, and several other long-term asset managers with concentrated positions in GSI TECHNOLOGY INC (GSIT).
This page ranks the largest institutional GSIT shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
69
Total Reported Value
$46.37M
Largest Holder
Vanguard Capital Management Llc
Largest Position
$6.57M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
81
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Vanguard Capital Management Llc | 0.00% | 1,278,432 | $6,571,140 | $9,358,122 | +$2,786,982 | +42.41% | |
| Silverberg Bernstein Capital Management Llc | 2.22% | 785,706 | $4,038,529 | $5,751,368 | +$1,712,839 | +42.41% | |
| Marshall Wace, Llp | 0.00% | 639,027 | $3,284,601 | $4,677,678 | +$1,393,077 | +42.41% | |
| Blackrock, Inc. | 0.00% | 543,998 | $2,796,150 | $3,982,065 | +$1,185,915 | +42.41% | |
| Two Sigma Investments, Lp | 0.00% | 530,204 | $2,725,249 | $3,881,093 | +$1,155,844 | +42.41% | |
| Susquehanna International Group, Llp | 0.00% | 464,030 | $2,385,114 | $3,396,700 | +$1,011,586 | +42.41% | |
| Wells Fargo & Company/Mn | 0.00% | 440,000 | $2,261,600 | $3,220,800 | +$959,200 | +42.41% | |
| Millennium Management Llc | 0.00% | 429,819 | $2,209,270 | $3,146,275 | +$937,005 | +42.41% | |
| Geode Capital Management, Llc | 0.00% | 350,694 | $1,803,821 | $2,567,080 | +$763,259 | +42.31% | |
| Potomac Capital Management, Inc. | 1.56% | 348,400 | $1,790,776 | $2,550,288 | +$759,512 | +42.41% | |
| Jane Street Group, Llc | 0.00% | 343,522 | $1,765,703 | $2,514,581 | +$748,878 | +42.41% | |
| Ubs Group Ag | 0.00% | 305,749 | $1,571,550 | $2,238,083 | +$666,533 | +42.41% | |
| Citadel Advisors Llc | 0.00% | 191,392 | $983,755 | $1,400,989 | +$417,234 | +42.41% | |
| Vanguard Fiduciary Trust Co | 0.00% | 185,342 | $952,658 | $1,356,703 | +$404,045 | +42.41% | |
| Goldman Sachs Group Inc | 0.00% | 158,039 | $812,321 | $1,156,845 | +$344,524 | +42.41% | |
| Tidal Investments Llc | 0.00% | 152,663 | $784,688 | $1,117,493 | +$332,805 | +42.41% | |
| State Street Corp | 0.00% | 138,842 | $713,648 | $1,016,323 | +$302,675 | +42.41% | |
| Squarepoint Ops Llc | 0.00% | 135,303 | $695,457 | $990,418 | +$294,961 | +42.41% | |
| 683 Capital Management, Llc | 0.06% | 118,835 | $610,812 | $869,872 | +$259,060 | +42.41% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | 116,353 | $598,054 | $851,704 | +$253,650 | +42.41% | |
| Osaic Holdings, Inc. | 0.00% | 101,291 | $520,618 | $741,450 | +$220,832 | +42.42% | |
| Bank Of America Corp | 0.00% | 97,677 | $502,060 | $714,996 | +$212,936 | +42.41% | |
| Commonwealth Equity Services, Llc | 0.00% | 92,534 | $475,620 | $677,349 | +$201,729 | +42.41% | |
| Morgan Stanley | 0.00% | 85,882 | $441,433 | $628,656 | +$187,223 | +42.41% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 78,701 | $404,523 | $576,091 | +$171,568 | +42.41% |
| Sih Partners, Lllp | 0.01% | 77,539 | $398,550 | $567,585 | +$169,035 | +42.41% | |
| Imc-Chicago, Llc | 0.00% | 63,638 | $327,099 | $465,830 | +$138,731 | +42.41% | |
| Northern Trust Corp | 0.00% | 61,048 | $313,787 | $446,871 | +$133,084 | +42.41% | |
| Bridgeway Capital Management, Llc | 0.01% | 54,500 | $280,130 | $398,940 | +$118,810 | +42.41% | |
| Hudson Bay Capital Management Lp | 0.00% | 54,458 | $279,914 | $398,633 | +$118,719 | +42.41% | |
| Dimensional Fund Advisors Lp | 0.00% | 50,847 | $261,354 | $372,200 | +$110,846 | +42.41% | |
| Brevan Howard Capital Management Lp | 0.00% | 49,011 | $251,916 | $358,761 | +$106,845 | +42.41% | |
| Arrowstreet Capital, Limited Partnership | 0.00% | 41,438 | $212,991 | $303,326 | +$90,335 | +42.41% | |
| Schonfeld Strategic Advisors Llc | 0.00% | 40,466 | $207,995 | $296,211 | +$88,216 | +42.41% | |
| Canada Pension Plan Investment Board | 0.00% | 33,300 | $171,162 | $243,756 | +$72,594 | +42.41% | |
| Jb Capital Partners Lp | 0.03% | 33,000 | $169,620 | $241,560 | +$71,940 | +42.41% | |
| Mangrove Partners Im, Llc | 0.01% | 32,627 | $167,703 | $238,830 | +$71,127 | +42.41% | |
| Essex Investment Management Co Llc | 0.02% | 30,454 | $156,534 | $222,923 | +$66,389 | +42.41% | |
| Two Sigma Securities, Llc | 0.02% | 28,680 | $147,415 | $209,938 | +$62,523 | +42.41% | |
| Lpl Financial Llc | 0.00% | 27,946 | $143,642 | $204,565 | +$60,923 | +42.41% | |
| Barclays Plc | 0.00% | 25,202 | $129,539 | $184,479 | +$54,940 | +42.41% | |
| Scientech Research Llc | 0.11% | 24,522 | $126,043 | $179,501 | +$53,458 | +42.41% | |
| Charles Schwab Investment Management Inc | 0.00% | 18,005 | $92,546 | $131,797 | +$39,251 | +42.41% | |
| Qube Research & Technologies Ltd | 0.00% | 17,409 | $89,482 | $127,434 | +$37,952 | +42.41% | |
| Omers Administration Corp | 0.00% | 17,000 | $87,380 | $124,440 | +$37,060 | +42.41% | |
| Simplex Trading, Llc | 0.00% | 16,567 | $85,154 | $121,270 | +$36,116 | +42.41% | |
| Vanguard Personalized Indexing Management, Llc | 0.00% | 15,726 | $80,832 | $115,114 | +$34,282 | +42.41% | |
| Centiva Capital, Lp | 0.00% | 14,981 | $77,002 | $109,661 | +$32,659 | +42.41% | |
| Vanguard Global Advisers, Llc | 0.00% | 14,042 | $72,176 | $102,787 | +$30,611 | +42.41% | |
| Susquehanna Portfolio Strategies, Llc | 0.00% | 12,600 | $64,764 | $92,232 | +$27,468 | +42.41% |
Frequently asked questions about GSIT
Who owns the most GSIT stock?
The largest holders of GSIT are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for GSI TECHNOLOGY INC (GSIT).
Is GSIT widely held by superinvestors?
Many widely followed stocks like GSIT appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly GSIT is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.