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GSIT

Gsi Technology Inc

Company with tickers: GSIT

CIK
1126741
CUSIP
36241U106
Shares Outstanding
36,186,203
Price History Institutional Holders Short Volume Short Interest Fails to Deliver Financials SEC Filings Earnings Calls Insider Trades Congressional Trades
Holders: 64
Total Value: $53,949,817
Total Shares: 8,687,576

Institutional Ownership Trend

24 quarters

Holder Concentration

Across 64 13F filers · Δ vs Sep 30, 2025
Top Holder
14.6%
−2.0 pts
Top 5
48.4%
−1.1 pts
Top 10
69.7%
−0.9 pts
HHI
643
Broadly held −79

Quarterly Activity

vs Sep 30, 2025
New
24
Increased
24
Decreased
10
Sold Out
12
Unchanged
6
Holder count: +12
Institutional value: +158.5%
Shares held: +53.2%

Top Buyers

vs Sep 30, 2025
Institution Added Now Holds
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP +721,702 934,053
Large MARSHALL WACE, LLP +385,185 727,077
Mega BlackRock, Inc. +373,108 506,620
Mega VANGUARD GROUP INC +328,935 1,266,646
Mega CITADEL ADVISORS LLC +175,664 354,755

Top Sellers

vs Sep 30, 2025
Institution Sold Now Holds
Large RENAISSANCE TECHNOLOGIES LLC −269,608 116,301
Mega DIMENSIONAL FUND ADVISORS LP −250,020 50,847
Large ACADIAN ASSET MANAGEMENT LLC −196,184 6,340
Large Squarepoint Ops LLC −58,578 116,807
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP −49,985 185,532

Top New Positions

vs Sep 30, 2025
Institution Acquired Value (USD)
Mid Concentric Capital Strategies, LP 340,664 $2,115,523
Mid DISCOVERY CAPITAL MANAGEMENT, LLC / CT 183,600 $1,140,156
Mid 683 Capital Management, LLC 118,835 $737,965
Large Toroso Investments, LLC 91,607 $568,879
Mid IMC-Chicago, LLC 66,472 $412,791

Top Sold-Out Positions

vs Sep 30, 2025
Institution Previously Held Last Value (USD)
Mid XTX Topco Ltd 113,385 $417,256
Large TWO SIGMA ADVISERS, LP 46,500 $171,120
Mid ALGERT GLOBAL LLC 23,970 $88,209
Mega WOLVERINE TRADING, LLC 21,984 $80,901
Small Dynamic Technology Lab Private Ltd 18,678 $68,735
68 of 68 shown
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Action
Mega VANGUARD GROUP INC $7,865,871 14.58% 1,266,646 View
Small Silverberg Bernstein Capital Management LLC $4,809,682 8.92% 774,506 View
Large MARSHALL WACE, LLP $4,515,147 8.37% 727,077 View
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $4,415,017 8.18% 710,953 View
Mega BlackRock, Inc. $3,146,109 5.83% 506,620 View
Large TWO SIGMA INVESTMENTS, LP $3,107,260 5.76% 500,364 View
Mid Concentric Capital Strategies, LP $2,115,523 3.92% 340,664 View
Mega GEODE CAPITAL MANAGEMENT, LLC $2,021,770 3.75% 325,567 View
Mega UBS Group AG $1,991,372 3.69% 320,672 View
Mega JANE STREET GROUP, LLC $1,372,992 2.54% 221,094 View
Mega GOLDMAN SACHS GROUP INC $1,177,285 2.18% 189,579 View
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $1,152,153 2.14% 185,532 View
Mid DISCOVERY CAPITAL MANAGEMENT, LLC / CT $1,140,156 2.11% 183,600 View
Mega CITADEL ADVISORS LLC $1,069,703 1.98% 172,255 View
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $782,460 1.45% 126,000 View
Mid 683 Capital Management, LLC $737,965 1.37% 118,835 View
Large Squarepoint Ops LLC $725,371 1.34% 116,807 View
Large RENAISSANCE TECHNOLOGIES LLC $722,229 1.34% 116,301 View
Mega STATE STREET CORP $659,141 1.22% 106,142 View
Mega CITADEL ADVISORS LLC $616,032 1.14% 99,200 View
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $602,991 1.12% 97,100 View
Mega MORGAN STANLEY $582,237 1.08% 93,758 View
Large Toroso Investments, LLC $568,879 1.05% 91,607 View
Large COMMONWEALTH EQUITY SERVICES, LLC $552,280 1.02% 88,934 View
Large Advisor Group Holdings, Inc. $546,330 1.01% 87,976 View
Mid SIMPLEX TRADING, LLC $542,219 1.01% 87,314 View
Large Connor, Clark & Lunn Investment Management Ltd. $536,736 0.99% 86,431 View
Mega CITADEL ADVISORS LLC $517,293 0.96% 83,300 View
Mid IMC-Chicago, LLC $412,791 0.77% 66,472 View
Mid Centiva Capital, LP $397,384 0.74% 63,991 View
Mega NORTHERN TRUST CORP $379,108 0.70% 61,048 View
Mid GROUP ONE TRADING, L.P. $374,183 0.69% 60,255 View
Large PEAK6 LLC $357,696 0.66% 57,600 View
Mid Graham Capital Management, L.P. $347,052 0.64% 55,886 View
Mega DIMENSIONAL FUND ADVISORS LP $315,759 0.59% 50,847 View
Mega MILLENNIUM MANAGEMENT LLC $284,685 0.53% 45,843 View
Mid GSA CAPITAL PARTNERS LLP $235,228 0.44% 37,879 View
Small JB CAPITAL PARTNERS LP $204,930 0.38% 33,000 View
Mega CANADA PENSION PLAN INVESTMENT BOARD $204,930 0.38% 33,000 View
Small ESSEX INVESTMENT MANAGEMENT CO LLC $189,119 0.35% 30,454 View
Mega BARCLAYS PLC $169,948 0.32% 27,367 View
Mid BRIDGEWAY CAPITAL MANAGEMENT INC $152,145 0.28% 24,500 View
Mid Jump Financial, LLC $142,519 0.26% 22,950 View
Small SYMMETRY PEAK MANAGEMENT LLC $139,725 0.26% 22,500 View
Mega CITIGROUP INC $135,967 0.25% 21,895 View
Large OMERS ADMINISTRATION Corp $127,305 0.24% 20,500 View
Mid Lighthouse Investment Partners, LLC $107,308 0.20% 17,280 View
Mid JustInvest LLC $104,005 0.19% 16,748 View
Large GWM Advisors LLC $101,421 0.19% 16,332 View
Mega BANK OF AMERICA CORP /DE/ $95,440 0.18% 15,369 View
Large Schonfeld Strategic Advisors LLC $81,363 0.15% 13,102 View
Mid Susquehanna Portfolio Strategies, LLC $78,246 0.15% 12,600 View
Mid Virtu Financial LLC $75,687 0.14% 12,188 View
Large ACADIAN ASSET MANAGEMENT LLC $39,371 0.07% 6,340 View
Large CIBC Private Wealth Group, LLC $31,050 0.06% 5,000 View
Small FNY Investment Advisers, LLC $24,840 0.05% 4,000 View
Mega ROYAL BANK OF CANADA $19,417 0.04% 3,127 View
Mid Allworth Financial LP $9,923 0.02% 1,598 View
Mid Tower Research Capital LLC (TRC) $4,092 0.01% 659 View
Large JONES FINANCIAL COMPANIES LLLP $3,726 0.01% 600 View
Mid Steward Partners Investment Advisory, LLC $3,105 0.01% 500 View
Small CoreCap Advisors, LLC $3,105 0.01% 500 View
Small MILLER WEALTH ADVISORS, LLC $1,863 0.00% 300 View
Mega FMR LLC $1,434 0.00% 231 View
Mid Farther Finance Advisors, LLC $1,242 0.00% 200 View
Mid SBI Securities Co., Ltd. $316 0.00% 51 View
Mega JPMORGAN CHASE & CO $180 0.00% 29 View
Large HUNTINGTON NATIONAL BANK $6 0.00% 1 View

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