OAM
ALNY icon

OP Asset Management’s Alnylam Pharmaceuticals ALNY Stock Holding History

OP Asset 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 		$4.55M Sell
15,107
-8,370
-36% -$2.52M 0.05% 275
2026
Q1 		$7.77M Buy
23,477
+8,707
+59% +$2.96M 0.07% 178
2025
Q4 		$5.87M Buy
14,770
+384
+3% +$170K 0.07% 210
2025
Q3 		$6.56M Buy
14,386
+452
+3% +$184K 0.09% 179
2025
Q2 		$4.54M Buy
13,934
+255
+2% +$70.6K 0.07% 231
2025
Q1 		$3.69M Buy
+13,679
New +$3.52M 0.06% 257

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 $3.38T AUM 44.17% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

OP Asset Management's ALNY Position: Q2 2026 in Review

OP Asset Management reduced its Alnylam Pharmaceuticals (ALNY) stake by 36% in Q2 2026, selling an estimated $2.52M and leaving 15,107 shares worth $4.55M. The position accounts for 0.05% of the portfolio, ranked #275.

OP Asset Management first reported a position in ALNY in Q1 2025 and has held it in 6 quarters since. The position peaked at $7.77M in Q1 2026. 793 funds tracked by Wall St. Rank hold ALNY as of Q2 2026.

  • OP Asset Management held 15,107 shares of Alnylam Pharmaceuticals worth $4.55M as of Q2 2026.
  • OP Asset Management sold 8,370 Alnylam Pharmaceuticals shares in Q2 2026, an estimated $2.52M.
  • Alnylam Pharmaceuticals made up 0.05% of OP Asset Management's portfolio in Q2 2026, its #275 holding.
  • OP Asset Management first reported a position in Alnylam Pharmaceuticals in Q1 2025 and has held it in 6 quarters since.
  • OP Asset Management's Alnylam Pharmaceuticals position peaked at $7.77M in Q1 2026.
  • 793 funds tracked by Wall St. Rank held Alnylam Pharmaceuticals as of Q2 2026.

Based on OP Asset Management's 13F filing for Q2 2026, filed 28 Jul 2026.