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AMF Tjänstepension’s Alnylam Pharmaceuticals ALNY Stock Holding History

AMF Tjänstepension’s Portfolio ALNY Stock Details ALNY Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-22,558
Closed -$10.3M – 125
2025
Q3 		$10.3M Sell
22,558
-9,979
-31% -$4.06M 0.07% 110
2025
Q2 		$10.6M Buy
+32,537
New +$9M 0.07% 121
2025
Q1 		– Sell
-2,089
Closed -$492K – 230
2024
Q4 		$492K Buy
+2,089
New +$549K ﹤0.01% 250

Other funds holding ALNY

Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return

AMF Tjänstepension's ALNY Position: Q4 2025 in Review

AMF Tjänstepension sold out of Alnylam Pharmaceuticals (ALNY) in Q4 2025, closing a stake of 22,558 shares — an estimated $10.3M sold.

AMF Tjänstepension first reported a position in ALNY in Q4 2024 and held it in 3 quarters. The position peaked at $10.6M in Q2 2025. 851 funds tracked by Wall St. Rank hold ALNY as of Q4 2025.

  • AMF Tjänstepension reported no remaining Alnylam Pharmaceuticals position as of Q4 2025 after selling out during the quarter.
  • AMF Tjänstepension sold 22,558 Alnylam Pharmaceuticals shares in Q4 2025, an estimated $10.3M.
  • AMF Tjänstepension first reported a position in Alnylam Pharmaceuticals in Q4 2024 and held it in 3 quarters.
  • AMF Tjänstepension's Alnylam Pharmaceuticals position peaked at $10.6M in Q2 2025.
  • 851 funds tracked by Wall St. Rank held Alnylam Pharmaceuticals as of Q4 2025.

Based on AMF Tjänstepension's 13F filing for Q4 2025, filed 6 Feb 2026.