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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
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$1.29B +$359M +2,673,246 +57%
BlackRock
2
BlackRock
New York
$749M +$48.7M +362,160 +9%
CI
3
Clal Insurance
Israel
$685M -$114M -850,230 -18%
PF
4
Phoenix Financial
Israel
$595M -$59M -438,850 -11%
UIM
5
USS Investment Management
United Kingdom
$573M +$291K +2,167 +7%
VCM
6
Vanguard Capital Management
Pennsylvania
$545M +$415M +3,083,829 New
SM
7
Senvest Management
New York
$399M -$229M -1,699,577 -43%
Invesco
8
Invesco
Georgia
$383M +$117M +870,899 +66%
MIFH
9
Migdal Insurance & Financial Holdings
Israel
$354M -$133M -987,300 -33%
HIIFS
10
Harel Insurance Investments & Financial Services
Israel
$349M -$44.1M -328,201 -14%
MIH
11
Meitav Investment House
Israel
$308M -$14.3M -106,288 -6%
WAM
12
WT Asset Management
Hong Kong
$257M +$107M +794,787 +118%
Capital World Investors
13
Capital World Investors
California
$233M +$178M +1,326,761 New
Jane Street
14
Jane Street
New York
$209M +$42.1M +313,058 +36%
GFM
15
GF Fund Management
China
$201M +$112M +835,983 +271%
Janus Henderson Group
16
Janus Henderson Group
United Kingdom
$190M +$868K +6,458 +0.6%
WRCM
17
Whale Rock Capital Management
Massachusetts
$187M +$143M +1,066,737 New
VFT
18
Vanguard Fiduciary Trust
Pennsylvania
$174M +$132M +982,628 New
Mawer Investment Management
19
Mawer Investment Management
Alberta, Canada
$169M +$130M +965,035 New
Wellington Management Group
20
Wellington Management Group
Massachusetts
$168M -$52.7M -392,264 -29%
YDMI
21
Y.D. More Investments
Israel
$158M -$10.6M -79,156 -8%
TAA
22
Turiya Advisors Asia
Hong Kong
$134M -$94.9M -705,685 -48%
SPPAM
23
Summit Partners Public Asset Management
Massachusetts
$121M -$36.4M -270,403 -28%
Bank of America
24
Bank of America
North Carolina
$120M -$32.4M -240,684 -26%
Morgan Stanley
25
Morgan Stanley
New York
$117M +$3.41M +25,376 +4%

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.