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Capital International Sarl’s Alnylam Pharmaceuticals ALNY Stock Holding History

Capital International Sarl’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 		$17.5M Buy
58,080
+4,731
+9% +$1.43M 0.25% 88
2026
Q1 		$17.7M Sell
53,349
-66,003
-55% -$22.5M 0.29% 85
2025
Q4 		$47.5M Sell
119,352
-10,350
-8% -$4.58M 0.76% 36
2025
Q3 		$59.1M Buy
129,702
+1,416
+1% +$577K 1.02% 22
2025
Q2 		$41.8M Buy
128,286
+7,126
+6% +$1.97M 0.8% 30
2025
Q1 		$32.7M Buy
121,160
+6,018
+5% +$1.55M 0.74% 38
2024
Q4 		$27.1M Sell
115,142
-19,931
-15% -$5.24M 0.63% 44
2024
Q3 		$37.1M Buy
135,073
+25,258
+23% +$6.58M 0.95% 30
2024
Q2 		$26.7M Buy
109,815
+36,706
+50% +$5.79M 0.81% 33
2024
Q1 		$10.9M Sell
73,109
-14,248
-16% -$2.38M 0.36% 77
2023
Q4 		$16.7M Buy
87,357
+435
+0.5% +$74.1K 0.63% 54
2023
Q3 		$15.4M Buy
86,922
+2,523
+3% +$481K 0.7% 46
2023
Q2 		$16M Buy
84,399
+7,309
+9% +$1.45M 0.72% 44
2023
Q1 		$15.4M Buy
77,090
+10,214
+15% +$2.15M 0.78% 36
2022
Q4 		$15.9M Buy
66,876
+22,551
+51% +$4.81M 1.12% 15
2022
Q3 		$8.87M Buy
44,325
+13,456
+44% +$2.57M 0.72% 35
2022
Q2 		$4.5M Buy
30,869
+17,554
+132% +$2.49M 0.36% 93
2022
Q1 		$2.17M Buy
+13,315
New +$2.03M 0.11% 185

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

Capital International Sarl's ALNY Position: Q2 2026 in Review

Capital International Sarl increased its Alnylam Pharmaceuticals (ALNY) stake by 8.9% in Q2 2026, buying an estimated $1.43M and bringing the position to 58,080 shares worth $17.5M. The position accounts for 0.25% of the portfolio, ranked #88.

Capital International Sarl first reported a position in ALNY in Q1 2022 and has held it in 18 quarters since. The position peaked at $59.1M in Q3 2025. 791 funds tracked by Wall St. Rank hold ALNY as of Q2 2026.

  • Capital International Sarl held 58,080 shares of Alnylam Pharmaceuticals worth $17.5M as of Q2 2026.
  • Capital International Sarl bought 4,731 Alnylam Pharmaceuticals shares in Q2 2026, an estimated $1.43M.
  • Alnylam Pharmaceuticals made up 0.25% of Capital International Sarl's portfolio in Q2 2026, its #88 holding.
  • Capital International Sarl first reported a position in Alnylam Pharmaceuticals in Q1 2022 and has held it in 18 quarters since.
  • Capital International Sarl's Alnylam Pharmaceuticals position peaked at $59.1M in Q3 2025.
  • 791 funds tracked by Wall St. Rank held Alnylam Pharmaceuticals as of Q2 2026.

Based on Capital International Sarl's 13F filing for Q2 2026, filed 12 Aug 2026.