Gsi TechnologyGSIT

13F holders, Q4 2025 (December 31)
62holders +9
21new positions
10sold out
3famous investors
$6.21avg. 13F price*

At the end of Q4 2025, 62 institutions reported holding Gsi Technology Inc. (GSIT) in their 13F filings, up 9 from Q3 2025. 21 opened new positions and 10 sold out. The largest holders were Vanguard Group Inc. ($9.0M), Silverberg Bernstein Capital Management LLC ($4.8M) and Marshall Wace, LLP ($4.5M). 3 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).

Company
Gsi Technology Inc.
CUSIP
36241U106
Latest filing quarter
Q2 2026

History

Number of 13F holders

020406080100 Q1 2024: 43Q1 2024Q2 2024: 31Q2 2024Q3 2024: 31Q3 2024Q4 2024: 37Q4 2024Q1 2025: 33Q1 2025Q2 2025: 50Q2 2025Q3 2025: 53Q3 2025Q4 2025: 62Q4 2025Q1 2026: 70Q1 2026Q2 2026: 89Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions21$6.9M
Exits10$952K

All 13F filers, Q3 2025 → Q4 2025: 4,065,362 shares bought and 1,114,035 shares sold, net +2,951,327 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 62 holders

Vanguard Group Inc. 0.00% Add +55.0% 1,453,236 $9.0M
Silverberg Bernstein Capital Management LLC 2.78% Add +2.8% 774,506 $4.8M
Marshall Wace, LLP 0.00% Add +112.7% 727,077 $4.5M
Susquehanna International Group, LLP 0.01% Add +809.7% 710,953 $4.4M
BlackRock, Inc. 0.00% Add +279.5% 506,620 $3.1M
Two Sigma Investments, LP 0.00% Add +27.9% 500,364 $3.1M
Concentric Capital Strategies, LP 0.11% New 340,664 $2.1M
Geode Capital Management, LLC 0.00% Add +34.5% 325,567 $2.0M
UBS Group AG 0.00% Add +91.3% 320,672 $2.0M
Jane Street Group, LLC 0.00% Add +270.3% 221,094 $1.4M
Goldman Sachs Group Inc. 0.00% Add +94.7% 189,579 $1.2M
Arrowstreet Capital, Limited Partnership 0.00% Reduce -21.2% 185,532 $1.2M
Discovery Capital Management, LLC / CT 0.06% New 183,600 $1.1M
Citadel Advisors 0.00% Add +55.2% 172,255 $1.1M
683 Capital Management, LLC 0.06% New 118,835 $738K
Squarepoint Ops LLC 0.00% Reduce -33.4% 116,807 $725K
Renaissance Technologies 0.00% Reduce -69.9% 116,301 $722K
State Street Corp. 0.00% Add +31.9% 106,142 $659K
Morgan Stanley 0.00% Add +2379.7% 96,731 $601K
Tidal Investments LLC 0.00% New 91,607 $569K
Commonwealth Equity Services, LLC 0.00% Add +59.2% 88,934 $552K
Osaic Holdings, Inc. 0.00% Add +568.2% 87,976 $546K
Simplex Trading, LLC 0.02% Add +40.1% 87,314 $542K
Connor, Clark & Lunn Investment Management Ltd. 0.00% Add +25.9% 86,431 $537K
IMC-Chicago, LLC 0.01% New 66,472 $413K
Centiva Capital, LP 0.02% New 63,991 $397K
Northern Trust Corp. 0.00% Add +48.2% 61,048 $379K
Group One Trading LLC 0.01% Add +249.3% 60,255 $374K
Graham Capital Management, L.P. 0.02% New 55,886 $347K
Dimensional Fund Advisors LP 0.00% Reduce -83.1% 50,847 $316K
Millennium Management 0.00% New 45,843 $285K
Gsa Capital Partners LLP 0.02% Add +58.4% 37,879 $235K
JB Capital Partners LP 0.04% No change 33,000 $205K
Canada Pension Plan Investment Board 0.00% New 33,000 $205K
Essex Investment Management Co. LLC 0.03% Reduce -37.0% 30,454 $189K
Barclays PLC 0.00% New 27,367 $170K
Bridgeway Capital Management, LLC 0.00% No change 24,500 $152K
Jump Financial, LLC 0.00% Reduce -18.0% 22,950 $143K
Citigroup Inc. 0.00% Add +7804.3% 21,895 $136K
OMERS ADMINISTRATION Corp 0.00% New 20,500 $127K
Lighthouse Investment Partners, LLC 0.00% New 17,280 $107K
Vanguard Personalized Indexing Management, LLC 0.00% Add +0.6% 16,748 $104K
NewEdge Advisors, LLC 0.00% Reduce -11.2% 16,332 $101K
Bank of America Corp. 0.00% Add +13.7% 15,369 $95K
Schonfeld Strategic Advisors LLC 0.00% New 13,102 $81K
Susquehanna Portfolio Strategies, LLC 0.00% No change 12,600 $78K
Virtu Financial LLC 0.00% New 12,188 $76K
Acadian Asset Management LLC 0.00% Reduce -96.9% 6,340 $39K
CIBC Private Wealth Group LLC 0.00% New 5,000 $31K
Tower Research Capital LLC (TRC) 0.00% New 4,591 $29K
FNY Investment Advisers, LLC 0.01% New 4,000 $24K
Royal Bank of Canada 0.00% Add +62.3% 3,127 $20K
Allworth Financial LP 0.00% Add +544.4% 1,598 $10K
Jones Financial Companies LLLP 0.00% Reduce -76.2% 600 $4K
CoreCap Advisors, LLC 0.00% New 500 $3K
Steward Partners Investment Advisory, LLC 0.00% No change 500 $3K
Miller Wealth Advisors, LLC 0.00% New 300 $2K
FMR LLC 0.00% New 231 $1K
Farther Finance Advisors, LLC 0.00% No change 200 $1K
SBI Securities Co., Ltd. 0.00% No change 51 $317
JPMorgan Chase & Co. 0.00% Reduce -99.3% 29 $180
Huntington National Bank 0.00% New 1 $6

"% of holder's portfolio" is GSIT's weight in each manager's 13F, not the share of Gsi Technology Inc. the manager owns.