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GSI Technology

53 hedge funds and large institutions have $20.2M invested in GSI Technology in 2025 Q3 according to their latest regulatory filings, with 11 funds opening new positions, 20 increasing their positions, 10 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed

417% more call options, than puts

Call options by funds: $1.07M | Put options by funds: $207K

100% more repeat investments, than reductions

Existing positions increased: 20 | Existing positions reduced: 10

45% more capital invested

Capital invested by funds: $13.9M → $20.2M (+$6.25M)

38% more first-time investments, than exits

New positions opened: 11 | Existing positions closed: 8

6% more funds holding

Funds holding: 5053 (+3)

3.98% more ownership

Funds ownership: 14.87%18.85% (+4%)

Holders
53
Holders Change
+3
Holders Change %
+6%
% of All Funds
0.7%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
11
Increased
20
Reduced
10
Closed
8
Calls
$1.07M
Puts
$207K
Net Calls
+$863K
Net Calls Change
+$840K
Name Holding Trade Value Shares
Change
Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$3.45M +$286K +75,882 +9%
SBCM
2
Silverberg Bernstein Capital Management
New York
$2.77M +$244K +64,710 +9%
Two Sigma Investments
3
Two Sigma Investments
New York
$1.44M +$469K +124,360 +47%
Renaissance Technologies
4
Renaissance Technologies
New York
$1.42M +$1M +265,800 +221%
Marshall Wace
5
Marshall Wace
United Kingdom
$1.26M +$568K +150,731 +79%
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$1.11M -$233K -61,917 -17%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$891K +$90.7K +24,070 +11%
Arrowstreet Capital
8
Arrowstreet Capital
Massachusetts
$867K +$287K +76,268 +48%
Acadian Asset Management
9
Acadian Asset Management
Massachusetts
$744K +$437K +115,817 +134%
Squarepoint
10
Squarepoint
New York
$645K +$581K +154,132 +725%
UBS Group
11
UBS Group
Switzerland
$617K +$625K +165,944 +9,603%
BlackRock
12
BlackRock
New York
$491K +$197K +52,133 +64%
XT
13
XTX Topco
Cayman Islands
$417K +$152K +40,241 +55%
Citadel Advisors
14
Citadel Advisors
Florida
$408K -$19.2K -5,104 -4%
Goldman Sachs
15
Goldman Sachs
New York
$358K -$162K -42,930 -31%
State Street
16
State Street
Massachusetts
$296K
Susquehanna International Group
17
Susquehanna International Group
Pennsylvania
$288K -$42.9K -11,382 -13%
Connor, Clark & Lunn Investment Management (CC&L)
18
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$253K +$73.6K +19,533 +40%
Simplex Trading
19
Simplex Trading
Illinois
$229K +$160K +42,393 +213%
Jane Street
20
Jane Street
New York
$220K -$159K -42,085 -41%
Commonwealth Equity Services
21
Commonwealth Equity Services
Massachusetts
$206K -$4.52K -1,200 -2%
EIM
22
Essex Investment Management
Massachusetts
$178K
Two Sigma Advisers
23
Two Sigma Advisers
New York
$171K +$136K +36,200 +351%
Northern Trust
24
Northern Trust
Illinois
$152K +$1.77K +470 +1%
JCP
25
JB Capital Partners
New York
$121K

GSIT Hedge Fund Activity: Q3 2025 in Review

53 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in GSI Technology (GSIT) for Q3 2025, worth a combined $20.2M — up 45% from $13.9M a quarter earlier.

Buyers outnumbered sellers: 11 funds opened new GSIT positions and 8 closed out — a net gain of 3 holders — while 20 added to existing stakes and 10 trimmed.

The largest buyer was Renaissance Technologies, adding an estimated $1M. The largest seller was Dimensional Fund Advisors, cutting an estimated $233K.

  • 53 institutional investors held GSI Technology (GSIT) as of Q3 2025, up from 50 in Q2 2025.
  • Funds reported $20.2M of GSI Technology stock for Q3 2025, up 45% quarter-over-quarter.
  • 11 funds opened new GSI Technology positions in Q3 2025 and 8 closed out, a net change of +3 holders.
  • The largest GSI Technology buyer in Q3 2025 was Renaissance Technologies, an estimated $1M added.
  • The largest GSI Technology seller in Q3 2025 was Dimensional Fund Advisors, an estimated $233K sold.

Based on aggregated 13F filings for Q3 2025.