13F

Stock

Gsi Technology Inc

GSIT · held by 70 managers

Reported value

$46.4M

Holders

70

+17 new · −10 exited

Holders’ est. mark

−$5.91M

Price effect on 50 books still in the name

Largest holder

$6.57M

VANGUARD CAPITAL MANAGEMENT LLC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
VANGUARD CAPITAL MANAGEMENT LLC1.28M$6.57MHeld
Silverberg Bernstein Capital Management LLC785.7K$4.04M−$828.7KCut−$771.2K
MARSHALL WACE, LLP639K$3.28M−$683.8KCut−$1.23M
BlackRock, Inc.544K$2.8M−$542.1KCut−$350K
TWO SIGMA INVESTMENTS, LP530.2K$2.73M−$535.4KCut−$382K
SUSQUEHANNA INTERNATIONAL GROUP, LLP464K$2.39M−$496.5KCut−$2.03M
WELLS FARGO & COMPANY/MN440K$2.26MNew
MILLENNIUM MANAGEMENT LLC429.8K$2.21M−$49.1KAdded$1.92M
GEODE CAPITAL MANAGEMENT, LLC350.7K$1.8M−$348.1KCut−$218.8K
Potomac Capital Management, Inc.348.4K$1.79MNew
JANE STREET GROUP, LLC343.5K$1.77M−$236.6KAdded$392.7K
UBS Group AG305.7K$1.57M−$327.2KCut−$419.8K
Citadel191.4K$983.8K−$184.3KCut−$85.9K
VANGUARD FIDUCIARY TRUST CO185.3K$952.7KHeld
GOLDMAN SACHS GROUP INC158K$812.3K−$169.1KCut−$365K
Tidal Investments LLC152.7K$784.7K−$98KAdded$215.8K
State Street138.8K$713.6K−$113.6KAdded$54.5K
Squarepoint Ops LLC135.3K$695.5K−$125KCut−$29.9K
683 Capital Management, LLC118.8K$610.8K−$127.2KCut−$127.2K
Connor, Clark & Lunn Investment Management Ltd.116.4K$598.1K−$92.5KAdded$61.3K
OSAIC HOLDINGS, INC.101.3K$520.6K−$94.1KCut−$25.7K
BANK OF AMERICA CORP /DE/97.7K$502.1K−$16.4KAdded$406.6K
COMMONWEALTH EQUITY SERVICES, LLC92.5K$475.6K−$95.2KCut−$76.7K
MORGAN STANLEY85.9K$441.4K−$91.9KCut−$159.3K
Renaissance Technologies78.7K$404.5K−$84.2KCut−$317.7K
SIH Partners, LLLP77.5K$398.6KNew
IMC-Chicago, LLC63.6K$327.1K−$68.1KCut−$85.7K
NORTHERN TRUST CORP61K$313.8K−$65.3KCut−$65.3K
BRIDGEWAY CAPITAL MANAGEMENT, LLC54.5K$280.1K−$26.2KAdded$128K
Hudson Bay Capital Management LP54.5K$279.9KNew
DIMENSIONAL FUND ADVISORS LP50.8K$261.4K−$54.4KCut−$54.4K
Brevan Howard Capital Management LP49K$251.9KNew
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP41.4K$213K−$44.3KCut−$939.2K
Schonfeld Strategic Advisors LLC40.5K$208K−$14KAdded$126.6K
CANADA PENSION PLAN INVESTMENT BOARD33.3K$171.2K−$35.3KCut−$33.8K
JB CAPITAL PARTNERS LP33K$169.6K−$35.3KCut−$35.3K
MANGROVE PARTNERS IM, LLC32.6K$167.7KNew
ESSEX INVESTMENT MANAGEMENT CO LLC30.5K$156.5K−$32.6KCut−$32.6K
TWO SIGMA SECURITIES, LLC28.7K$147.4KNew
LPL Financial LLC27.9K$143.6KNew
BARCLAYS PLC25.2K$129.5K−$27KCut−$40.4K
Scientech Research LLC24.5K$126KNew
CHARLES SCHWAB INVESTMENT MANAGEMENT INC18K$92.5KNew
Qube Research & Technologies Ltd17.4K$89.5KNew
OMERS ADMINISTRATION Corp17K$87.4K−$18.2KCut−$39.9K
SIMPLEX TRADING, LLC16.6K$85.2K−$17.7KCut−$457.1K
Vanguard Personalized Indexing Management, LLC15.7K$80.8K−$16.8KCut−$23.2K
Centiva Capital, LP15K$77K−$16KCut−$320.4K
Vanguard Global Advisers, LLC14K$72.2KHeld
Susquehanna Portfolio Strategies, LLC12.6K$64.8K−$13.5KCut−$13.5K
XTX Topco Ltd11.7K$60KNew
Allworth Financial LP11.6K$59.6K−$1.71KAdded$49.7K
Diametric Capital, LP11K$56.5KNew
CITIGROUP INC4.47K$23K−$4.78KCut−$113K
JONES FINANCIAL COMPANIES LLLP4.1K$21.6K−$564Added$17.9K
NewEdge Advisors, LLC13.7K$13.7K−$71.6KCut−$87.7K
ROYAL BANK OF CANADA2.11K$11K−$2.47KCut−$9K
Advisory Services Network, LLC2K$10.3KNew
Tower Research Capital LLC (TRC)1.27K$6.53K−$1.36KCut−$22K
PRICE T ROWE ASSOCIATES INC /MD/742.7K$3.82KNew
CoreCap Advisors, LLC500$2.57K−$535Cut−$535
Steward Partners Investment Advisory, LLC500$2.57K−$535Cut−$535
MAI Capital Management300$1.54KNew
Fidelity123$634−$131Cut−$803
EverSource Wealth Advisors, LLC77$396New
GSA CAPITAL PARTNERS LLP71.2K$366−$40Added$131
SBI Securities Co., Ltd.37$190−$40Cut−$127
JPMORGAN CHASE & CO29$139−$41Cut−$41
Virtu Financial LLC18.9K$97−$14Added$21
HUNTINGTON NATIONAL BANK1$5−$1Cut−$1

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.