VCM
ALNY icon

Voleon Capital Management’s Alnylam Pharmaceuticals ALNY Stock Holding History

Voleon Capital Management’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
2026
Q2 		$1.57M Sell
5,202
-18,872
-78% -$5.69M 0.03% 387
2026
Q1 		$7.97M Sell
24,074
-27,043
-53% -$9.2M 0.17% 128
2025
Q4 		$20.3M Buy
51,117
+17,152
+50% +$7.59M 0.44% 40
2025
Q3 		$15.5M Buy
33,965
+32,609
+2,405% +$13.3M 0.38% 48
2025
Q2 		$442K Sell
1,356
-10,558
-89% -$2.92M 0.02% 340
2025
Q1 		$3.22M Sell
11,914
-25,267
-68% -$6.49M 0.25% 97
2024
Q4 		$8.75M Buy
+37,181
New +$9.78M 0.65% 29

Other funds holding ALNY

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 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
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 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

Voleon Capital Management's ALNY Position: Q2 2026 in Review

Voleon Capital Management reduced its Alnylam Pharmaceuticals (ALNY) stake by 78% in Q2 2026, selling an estimated $5.69M and leaving 5,202 shares worth $1.57M. The position accounts for 0.03% of the portfolio, ranked #387.

Voleon Capital Management first reported a position in ALNY in Q4 2024 and has held it in 7 quarters since. The position peaked at $20.3M in Q4 2025. 788 funds tracked by Wall St. Rank hold ALNY as of Q2 2026.

  • Voleon Capital Management held 5,202 shares of Alnylam Pharmaceuticals worth $1.57M as of Q2 2026.
  • Voleon Capital Management sold 18,872 Alnylam Pharmaceuticals shares in Q2 2026, an estimated $5.69M.
  • Alnylam Pharmaceuticals made up 0.03% of Voleon Capital Management's portfolio in Q2 2026, its #387 holding.
  • Voleon Capital Management first reported a position in Alnylam Pharmaceuticals in Q4 2024 and has held it in 7 quarters since.
  • Voleon Capital Management's Alnylam Pharmaceuticals position peaked at $20.3M in Q4 2025.
  • 788 funds tracked by Wall St. Rank held Alnylam Pharmaceuticals as of Q2 2026.

Based on Voleon Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.