Fidelity International
ALNY icon

Fidelity International’s Alnylam Pharmaceuticals ALNY Stock Holding History

Fidelity International’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 		$27.7M Buy
92,038
+539
+0.6% +$163K 0.02% 454
2026
Q1 		$30.3M Sell
91,499
-2,665
-3% -$907K 0.02% 427
2025
Q4 		$37.4M Sell
94,164
-41,320
-30% -$18.3M 0.03% 389
2025
Q3 		$61.8M Sell
135,484
-12,453
-8% -$5.07M 0.05% 308
2025
Q2 		$48.2M Buy
147,937
+30,075
+26% +$8.32M 0.04% 346
2025
Q1 		$31.8M Buy
117,862
+95,796
+434% +$24.6M 0.03% 384
2024
Q4 		$5.19M Buy
22,066
+7,236
+49% +$1.9M ﹤0.01% 594
2024
Q3 		$4.08M Sell
14,830
-394
-3% -$103K ﹤0.01% 639
2024
Q2 		$3.7M Buy
15,224
+4,869
+47% +$769K ﹤0.01% 633
2024
Q1 		$1.55M Sell
10,355
-66,482
-87% -$11.1M ﹤0.01% 698
2023
Q4 		$14.7M Sell
76,837
-13,131
-15% -$2.24M 0.02% 452
2023
Q3 		$15.9M Sell
89,968
-16,470
-15% -$3.14M 0.02% 439
2023
Q2 		$20.2M Sell
106,438
-22,373
-17% -$4.44M 0.02% 401
2023
Q1 		$25.8M Buy
128,811
+128,807
+3,220,175% +$27.1M 0.03% 365
2022
Q4 		$951 Buy
4
+2
+100% +$427 ﹤0.01% 821
2022
Q3 		$0 Buy
+2
New +$381 ﹤0.01% 831

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

Fidelity International's ALNY Position: Q2 2026 in Review

Fidelity International increased its Alnylam Pharmaceuticals (ALNY) stake by 0.59% in Q2 2026, buying an estimated $163K and bringing the position to 92,038 shares worth $27.7M. The position accounts for 0.02% of the portfolio, ranked #454.

Fidelity International first reported a position in ALNY in Q3 2022 and has held it in 16 quarters since. The position peaked at $61.8M in Q3 2025. 790 funds tracked by Wall St. Rank hold ALNY as of Q2 2026.

  • Fidelity International held 92,038 shares of Alnylam Pharmaceuticals worth $27.7M as of Q2 2026.
  • Fidelity International bought 539 Alnylam Pharmaceuticals shares in Q2 2026, an estimated $163K.
  • Alnylam Pharmaceuticals made up 0.02% of Fidelity International's portfolio in Q2 2026, its #454 holding.
  • Fidelity International first reported a position in Alnylam Pharmaceuticals in Q3 2022 and has held it in 16 quarters since.
  • Fidelity International's Alnylam Pharmaceuticals position peaked at $61.8M in Q3 2025.
  • 790 funds tracked by Wall St. Rank held Alnylam Pharmaceuticals as of Q2 2026.

Based on Fidelity International's 13F filing for Q2 2026, filed 13 Aug 2026.