13F Insight
DOSSIER · 13F Holders · Q1 2026High-convictionMulti-bagger
GSIT

GSI TECHNOLOGY INC

72 institutions still hold GSI TECHNOLOGY INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 36241U106·72 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 7.1%
vs prior quarter
13F value held
$44M
72.0% inst. owned
of float
Holders
72
+109 QoQ
filers reporting
Activity
+19 / −60
+903 added · −879 reduced
this quarter
Concentration
15.03%
VANGUARD CAPITAL MANAGEMENT LLC #1
top holder share
AI Holders Summary · Q1 2026

72 institutions reported GSIT in Q1 2026. VANGUARD CAPITAL MANAGEMENT LLC leads at 15.0% of the visible book. +109 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$7M1.3M0.00%Q1 202602
MARSHALL WACE, LLP
CIK 0001318757
$5M727K0.00%Q4 202503
Silverberg Bernstein Capital Management LLC
CIK 0002007880
$4M786K2.22%Q1 202604
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$4M734K0.00%Q1 202605
BlackRock, Inc.
CIK 0002012383
$3M544K0.00%Q1 202606
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$3M530K0.00%Q1 202607
WELLS FARGO & COMPANY/MN
CIK 0000072971
$2M440K0.00%Q1 202608
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$2M430K0.00%Q1 202609
CITADEL ADVISORS LLC
CIK 0001423053
$2M355K0.00%Q4 202510
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$2M420K0.00%Q1 202611
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$2M351K0.00%Q1 202612
Potomac Capital Management, Inc.
CIK 0001418746
$2M348K1.56%Q1 202613
UBS Group AG
CIK 0001610520
$2M306K0.00%Q1 202614
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$952,658185K0.00%Q1 202615
GOLDMAN SACHS GROUP INC
CIK 0000886982
$812,321158K0.00%Q1 202616
Tidal Investments LLC
CIK 0001600064
$784,688153K0.00%Q1 202617
683 Capital Management, LLC
CIK 0001404574
$737,965119K0.03%Q4 202518
STATE STREET CORP
CIK 0000093751
$713,648139K0.00%Q1 202619
Squarepoint Ops LLC
CIK 0001642575
$695,457135K0.00%Q1 202620
Connor, Clark & Lunn Investment Management Ltd.
CIK 0001596800
$598,054116K0.00%Q1 2026
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