Aster Capital Management
ALNY icon

Aster Capital Management’s Alnylam Pharmaceuticals ALNY Stock Holding History

Aster 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
Q3 		$4.43M Buy
+17,949
New +$4.57M 1.61% 1
2025
Q4 		– Sell
-78
Closed -$35.6K – 1075
2025
Q3 		$35.6K Buy
+78
New +$31.8K 0.02% 565
2025
Q2 		– Sell
-2,451
Closed -$605K – 1005
2025
Q1 		$605K Buy
+2,451
New +$630K 0.11% 248
2024
Q4 		– Sell
-3,558
Closed -$979K – 1099
2024
Q3 		$979K Buy
+3,558
New +$926K 0.21% 120

Other funds holding ALNY

Capital World Investors
Capital World Investors Los Angeles, California $824B AUM 37.44% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $704B AUM 26.74% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $106B AUM 2.29% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $187B AUM 13.73% 1-Year Est. Return

Aster Capital Management's ALNY Position: Q3 2026 in Review

Aster Capital Management opened a new position in Alnylam Pharmaceuticals (ALNY) in Q3 2026: 17,949 shares worth $4.43M. The stake represents 1.61% of the portfolio and ranks #1 among its holdings. This is a return to the name: Aster Capital Management previously reported a position in ALNY as recently as Q3 2025.

Aster Capital Management first reported a position in ALNY in Q3 2024 and has held it in 4 quarters since. 562 funds tracked by Wall St. Rank hold ALNY as of Q3 2026.

  • Aster Capital Management held 17,949 shares of Alnylam Pharmaceuticals worth $4.43M as of Q3 2026.
  • Alnylam Pharmaceuticals was a new Aster Capital Management position in Q3 2026.
  • Alnylam Pharmaceuticals made up 1.61% of Aster Capital Management's portfolio in Q3 2026, its #1 holding.
  • Aster Capital Management first reported a position in Alnylam Pharmaceuticals in Q3 2024 and has held it in 4 quarters since.
  • 562 funds tracked by Wall St. Rank held Alnylam Pharmaceuticals as of Q3 2026.

Based on Aster Capital Management's 13F filing for Q3 2026, filed 12 Nov 2026.