Holocene Advisors
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Holocene Advisors’s GSK GSK Stock Holding History

Holocene Advisors’s Portfolio GSK Stock Details GSK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2023
Q4 		– Sell
-1,583,000
Closed -$57.4M – 754
2023
Q3 		$57.4M Buy
+1,583,000
New +$56.2M 0.25% 123

Other funds holding GSK

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return
Fisher Asset Management
Fisher Asset Management Camas, Washington $336B AUM 34.66% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
JEST
JTC Employer Solutions Trustee St Helier, Jersey $1.25B AUM 41.83% 1-Year Est. Return
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return

Holocene Advisors's GSK Position: Q1 2026 in Review

Holocene Advisors reduced its GSK (GSK) stake by 32% in Q1 2026, selling an estimated $141M and leaving 5,518,433 shares worth $305M. The position accounts for 0.73% of the portfolio, ranked #26.

Holocene Advisors first reported a position in GSK in Q2 2022 and has held it in 14 quarters since. The position peaked at $398M in Q4 2025. 1,033 funds tracked by Wall St. Rank hold GSK as of Q1 2026.

  • Holocene Advisors held 5,518,433 shares of GSK worth $305M as of Q1 2026.
  • Holocene Advisors sold 2,598,094 GSK shares in Q1 2026, an estimated $141M.
  • GSK made up 0.73% of Holocene Advisors's portfolio in Q1 2026, its #26 holding.
  • Holocene Advisors first reported a position in GSK in Q2 2022 and has held it in 14 quarters since.
  • Holocene Advisors's GSK position peaked at $398M in Q4 2025.
  • 1,033 funds tracked by Wall St. Rank held GSK as of Q1 2026.

Based on Holocene Advisors's 13F filing for Q1 2026, filed 15 May 2026.