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Tower Semiconductor

377 hedge funds and large institutions have $12.7B invested in Tower Semiconductor in 2026 Q1 according to their latest regulatory filings, with 129 funds opening new positions, 90 increasing their positions, 126 reducing their positions, and 55 closing their positions.

New
Increased
Maintained
Reduced
Closed

135% more first-time investments, than exits

New positions opened: 129 | Existing positions closed: 55

41% more capital invested

Capital invested by funds: $8.97B → $12.7B (+$3.68B)

39% more funds holding in top 10

Funds holding in top 10: 2332 (+9)

21% more funds holding

Funds holding: 311377 (+66)

13% more call options, than puts

Call options by funds: $809M | Put options by funds: $714M

29% less repeat investments, than reductions

Existing positions increased: 90 | Existing positions reduced: 126

Holders
377
Holders Change
+66
Holders Change %
+21.22%
% of All Funds
4.64%
Holding in Top 10
32
Holding in Top 10 Change
+9
Holding in Top 10 Change %
+39.13%
% of All Funds
0.39%
New
129
Increased
90
Reduced
126
Closed
55
Calls
$809M
Puts
$714M
Net Calls
+$95M
Net Calls Change
-$48.3M
Name Holding Trade Value Shares
Change
Change in
Stake
Walleye Capital
126
Walleye Capital
New York
$7.72M +$1.58M +11,725 +36%
State of Wisconsin Investment Board
127
State of Wisconsin Investment Board
Wisconsin
$7.56M +$5.57M +41,453 +1,445%
HLAM
128
Hidden Lake Asset Management
New York
$7.1M +$5.44M +40,464 New
QFMHK
129
Q Fund Management (Hong Kong)
$7.05M +$5.4M +40,200 New
State Street
130
State Street
Massachusetts
$6.5M -$1.33M -9,910 -21%
CWM
131
Calamos Wealth Management
Illinois
$6.34M +$4.86M +36,114 New
KCM
132
Kultura Capital Management
Utah
$6.11M -$2.98M -22,200 -39%
Envestnet Asset Management
133
Envestnet Asset Management
Illinois
$6.05M +$492K +3,659 +12%
RA
134
Rockingstone Advisors
Massachusetts
$5.84M -$1.59M -11,824 -26%
Susquehanna International Group
135
Susquehanna International Group
Pennsylvania
$5.81M +$1.52M +11,321 +52%
PCMH
136
Polymer Capital Management (HK)
Hong Kong
$5.76M +$4.41M +32,826 New
VGA
137
Vanguard Global Advisers
Pennsylvania
$5.72M +$4.35M +32,358 New
CI
138
Cambiar Investors
Colorado
$5.66M -$2.37M -17,608 -35%
PCM
139
Portolan Capital Management
Massachusetts
$5.62M -$15.7M -116,482 -78%
State of Tennessee, Department of Treasury
140
State of Tennessee, Department of Treasury
Tennessee
$5.59M -$20.7M -154,079 -83%
Zurich Cantonal Bank
141
Zurich Cantonal Bank
Switzerland
$5.52M -$1.38M -10,292 -25%
VanEck Associates
142
VanEck Associates
New York
$5.27M +$583K +4,333 +17%
GIM
143
Granahan Investment Management
Massachusetts
$5.25M -$3.62M -26,893 -47%
PC
144
Pier Capital
Connecticut
$5.11M -$5.17M -38,424 -57%
Korea Investment Corp
145
Korea Investment Corp
South Korea
$5.09M +$4.01M +29,837 New
D.E. Shaw & Co
146
D.E. Shaw & Co
New York
$5.06M -$298K -2,217 -7%
EI
147
EAM Investors
California
$5.01M -$134 -1 -0%
Man Group
148
Man Group
United Kingdom
$4.94M +$3.78M +28,126 New
YAVAPFMC
149
Yahav Achim Ve Achayot - Provident Funds Management Company
Israel
$4.89M
PCM
150
Polymer Capital Management
New York
$4.86M -$2.09M -15,578 -36%

TSEM Hedge Fund Activity: Q1 2026 in Review

377 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Tower Semiconductor (TSEM) for Q1 2026, worth a combined $12.7B — up 41% from $8.97B a quarter earlier.

Buyers outnumbered sellers: 129 funds opened new TSEM positions and 55 closed out — a net gain of 74 holders — while 90 added to existing stakes and 126 trimmed.

The largest buyer was T. Rowe Price Associates, adding an estimated $359M. The largest seller was Goldman Sachs, cutting an estimated $242M.

  • 377 institutional investors held Tower Semiconductor (TSEM) as of Q1 2026, up from 311 in Q4 2025.
  • Funds reported $12.7B of Tower Semiconductor stock for Q1 2026, up 41% quarter-over-quarter.
  • 129 funds opened new Tower Semiconductor positions in Q1 2026 and 55 closed out, a net change of +74 holders.
  • The largest Tower Semiconductor buyer in Q1 2026 was T. Rowe Price Associates, an estimated $359M added.
  • The largest Tower Semiconductor seller in Q1 2026 was Goldman Sachs, an estimated $242M sold.

Based on aggregated 13F filings for Q1 2026.