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Disclosery

GSIT GSI TECHNOLOGY INC

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COMMON STOCK (common), issuer CIK 1126741

50 managers (53 13F filers) reported a position in GSIT shares at 2025-09-30, 5,483,894 shares in all. 11 filers opened a position and 8 filers sold out during the quarter.

Managers
50
13F filers
53
New
11
Added
20
Reduced
10
Sold out
8
Shares held by filers
5,483,894

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
VANGUARD GROUP INCgroup of 2 filers holding954,355$3.51M+76,020Timeline
Silverberg Bernstein Capital Management…753,174$2.77M1.68%+64,71013F-HRTimeline
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding437,758$1.61M+160,560Timeline
RENAISSANCE TECHNOLOGIES LLC385,909$1.42M<0.01%+265,80013F-HRTimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP341,892$1.26M<0.01%+150,73113F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP300,867$1.11M<0.01%-61,91713F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC242,140$891K<0.01%+24,07013F-HRTimelineGroup
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …235,517$867K<0.01%+76,26813F-HRTimelineGroup
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC202,524$744K<0.01%+115,81713F-HRTimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC175,385$645K<0.01%+154,13213F-HRTimelineGroup
UBS Group AGin group UBS Group AG167,672$617K<0.01%+165,94413F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.133,512$491K<0.01%+52,13313F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd113,385$417K0.02%+40,24113F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC110,991$408K<0.01%-5,10413F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC97,394$358K<0.01%-42,93013F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 2 filers holding90,751$334K+1,218Timeline
STATE STREET CORPin group STATE STREET CORP80,442$296K<0.01%013F-HRTimelineGroup
Connor, Clark & Lunn Investment Managem…68,679$253K<0.01%+19,53313F-HRTimeline
SIMPLEX TRADING, LLC62,339$229K0.01%+42,39313F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC59,714$220K<0.01%-42,08513F-HRTimelineGroup
COMMONWEALTH EQUITY SERVICES, LLC55,854$206K<0.01%-1,20013F-HRTimeline
ESSEX INVESTMENT MANAGEMENT CO LLC48,337$178K0.03%013F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP41,203$152K<0.01%+47013F-HRTimelineGroup
JB CAPITAL PARTNERS LP33,000$121K0.02%013F-HRTimeline
Jump Financial, LLCin group Jump Financial, LLC27,993$103K<0.01%new13F-HR/ATimelineGroup
BRIDGEWAY CAPITAL MANAGEMENT, LLC24,500$90.2K<0.01%013F-HRTimeline
ALGERT GLOBAL LLC23,970$88.2K<0.01%new13F-HR/ATimeline
GSA CAPITAL PARTNERS LLP23,908$88K0.01%new13F-HRTimeline
WOLVERINE TRADING, LLC21,984$81.8K<0.01%+8,03113F-HRTimeline
Dynamic Technology Lab Private Ltd18,678$69K0.01%new13F-HRTimeline
NewEdge Advisors, LLC18,390$67.7K<0.01%new13F-HRTimeline
Cubist Systematic Strategies, LLC17,866$65.7K<0.01%-15,53813F-HRTimeline
GROUP ONE TRADING LLC17,250$63.5K<0.01%new13F-HRTimeline
U.S. Capital Wealth Advisors, LLC16,333$60.1K<0.01%013F-HRTimeline
PRELUDE CAPITAL MANAGEMENT, LLC14,200$52.3K<0.01%new13F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/13,518$49.7K<0.01%-17213F-HR/ATimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.13,167$45.8K<0.01%+1,15513F-HRTimelineGroup
Legato Capital Management LLC11,365$41.8K<0.01%013F-HRTimeline
R Squared Ltd10,421$38.3K0.02%new13F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO4,093$15.1K<0.01%+4,06413F-HR/ATimelineGroup
MORGAN STANLEYin group MORGAN STANLEY3,901$14.4K<0.01%-14,54913F-HR/ATimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN3,097$11.4K<0.01%013F-HRTimelineGroup
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP2,525$9.7K<0.01%013F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA1,927$7K<0.01%new13F-HRTimelineGroup
Rise Advisors, LLC738$2.72K<0.01%013F-HRTimeline
Steward Partners Investment Advisory, L…500$1.84K<0.01%013F-HRTimeline
CITIGROUP INCin group CITIGROUP INC277$1.02K<0.01%new13F-HRTimelineGroup
Allworth Financial LP248$913<0.01%013F-HRTimeline
Farther Finance Advisors, LLC200$736<0.01%013F-HRTimeline
SBI Securities Co., Ltd.51$188<0.01%-70513F-HRTimeline