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1,031 hedge funds and large institutions have $20.7B invested in GSK in 2026 Q1 according to their latest regulatory filings, with 141 funds opening new positions, 315 increasing their positions, 381 reducing their positions, and 82 closing their positions.

New
Increased
Maintained
Reduced
Closed

72% more first-time investments, than exits

New positions opened: 141 | Existing positions closed: 82

63% more call options, than puts

Call options by funds: $222M | Put options by funds: $137M

36% more funds holding in top 10

Funds holding in top 10: 1115 (+4)

5% more capital invested

Capital invested by funds: $19.6B → $20.7B (+$1.03B)

4% more funds holding

Funds holding: 9951,031 (+36)

1.11% less ownership

Funds ownership: 19.53%18.42% (-1.1%)

17% less repeat investments, than reductions

Existing positions increased: 315 | Existing positions reduced: 381

Holders
1,031
Holders Change
+36
Holders Change %
+3.62%
% of All Funds
12.69%
Holding in Top 10
15
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+36.36%
% of All Funds
0.18%
New
141
Increased
315
Reduced
381
Closed
82
Calls
$222M
Puts
$137M
Net Calls
+$85.7M
Net Calls Change
-$49.4M
Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$3.73B +$10.4M +192,237 +0.3%
Dodge & Cox
2
Dodge & Cox
California
$3.24B -$534M -9,854,995 -14%
Fisher Asset Management
3
Fisher Asset Management
Washington
$1.91B +$71.9M +1,326,378 +4%
Primecap Management
4
Primecap Management
California
$1.39B +$4.03M +74,378 +0.3%
Acadian Asset Management
5
Acadian Asset Management
Massachusetts
$651M +$154M +2,832,926 +32%
Wellington Management Group
6
Wellington Management Group
Massachusetts
$647M -$45.5M -839,874 -7%
Morgan Stanley
7
Morgan Stanley
New York
$609M +$282M +5,201,988 +89%
Goldman Sachs
8
Goldman Sachs
New York
$529M +$127M +2,347,296 +32%
JEST
9
JTC Employer Solutions Trustee
Jersey
$499M -$292M -5,385,620 -37%
Royal Bank of Canada
10
Royal Bank of Canada
Ontario, Canada
$414M -$52.8M -973,760 -11%
T. Rowe Price Associates
11
T. Rowe Price Associates
Maryland
$404M -$31M -571,896 -7%
State Street
12
State Street
Massachusetts
$334M -$13.8M -254,237 -4%
Holocene Advisors
13
Holocene Advisors
New York
$305M -$141M -2,598,094 -32%
MIP
14
Mondrian Investment Partners
United Kingdom
$275M -$44.4M -819,545 -14%
Bank of Montreal
15
Bank of Montreal
Ontario, Canada
$256M +$111M +2,039,895 +78%
BlackRock
16
BlackRock
New York
$196M +$94.1M +1,736,715 +96%
Grantham, Mayo, Van Otterloo & Co (GMO)
17
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$194M +$1.8M +33,192 +1%
Hotchkis & Wiley Capital Management
18
Hotchkis & Wiley Capital Management
California
$192M -$9.53M -175,877 -5%
EIC
19
Equity Investment Corp
Georgia
$178M -$48.2M -889,544 -22%
Connor, Clark & Lunn Investment Management (CC&L)
20
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$155M +$58.5M +1,080,327 +62%
Dimensional Fund Advisors
21
Dimensional Fund Advisors
Texas
$143M +$4.73M +87,313 +3%
Manulife (Manufacturers Life Insurance)
22
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$131M -$70.1M -1,293,173 -35%
SEI Investments
23
SEI Investments
Pennsylvania
$126M +$35.5M +654,280 +40%
Bank of America
24
Bank of America
North Carolina
$122M -$83.8M -1,546,950 -41%
UBS Group
25
UBS Group
Switzerland
$115M -$227M -4,196,648 -67%

GSK Hedge Fund Activity: Q1 2026 in Review

1,031 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in GSK (GSK) for Q1 2026, worth a combined $20.7B — up 5.2% from $19.6B a quarter earlier.

Buyers outnumbered sellers: 141 funds opened new GSK positions and 82 closed out — a net gain of 59 holders — while 315 added to existing stakes and 381 trimmed.

The largest buyer was Morgan Stanley, adding an estimated $282M. The largest seller was Dodge & Cox, cutting an estimated $534M.

  • 1,031 institutional investors held GSK (GSK) as of Q1 2026, up from 995 in Q4 2025.
  • Funds reported $20.7B of GSK stock for Q1 2026, up 5.2% quarter-over-quarter.
  • 141 funds opened new GSK positions in Q1 2026 and 82 closed out, a net change of +59 holders.
  • The largest GSK buyer in Q1 2026 was Morgan Stanley, an estimated $282M added.
  • The largest GSK seller in Q1 2026 was Dodge & Cox, an estimated $534M sold.

Based on aggregated 13F filings for Q1 2026.