IMCOOI
ALNY icon

Investment Management Corp of Ontario (IMCO)’s Alnylam Pharmaceuticals ALNY Stock Holding History

Investment Management Corp of Ontario (IMCO)’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 		$13.9M Sell
46,155
-1,000
-2% -$302K 0.18% 126
2026
Q1 		$15.6M Buy
47,155
+25,620
+119% +$8.72M 0.2% 112
2025
Q4 		$8.56M Sell
21,535
-16,423
-43% -$7.27M 0.11% 154
2025
Q3 		$17.3M Buy
37,958
+6,437
+20% +$2.62M 0.26% 66
2025
Q2 		$10.3M Buy
31,521
+8,244
+35% +$2.28M 0.15% 90
2025
Q1 		$6.29M Buy
23,277
+16,178
+228% +$4.16M 0.13% 132
2024
Q4 		$1.67M Buy
7,099
+40
+0.6% +$10.5K 0.06% 185
2024
Q3 		$1.94M Buy
7,059
+4,274
+153% +$1.11M 0.04% 275
2024
Q2 		$677K Buy
2,785
+800
+40% +$126K 0.02% 393
2024
Q1 		$297K Sell
1,985
-900
-31% -$150K 0.01% 508
2023
Q4 		$552K Buy
+2,885
New +$491K 0.01% 446

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

Investment Management Corp of Ontario (IMCO)'s ALNY Position: Q2 2026 in Review

Investment Management Corp of Ontario (IMCO) reduced its Alnylam Pharmaceuticals (ALNY) stake by 2.1% in Q2 2026, selling an estimated $302K and leaving 46,155 shares worth $13.9M. The position accounts for 0.18% of the portfolio, ranked #126.

Investment Management Corp of Ontario (IMCO) first reported a position in ALNY in Q4 2023 and has held it in 11 quarters since. The position peaked at $17.3M in Q3 2025. 788 funds tracked by Wall St. Rank hold ALNY as of Q2 2026.

  • Investment Management Corp of Ontario (IMCO) held 46,155 shares of Alnylam Pharmaceuticals worth $13.9M as of Q2 2026.
  • Investment Management Corp of Ontario (IMCO) sold 1,000 Alnylam Pharmaceuticals shares in Q2 2026, an estimated $302K.
  • Alnylam Pharmaceuticals made up 0.18% of Investment Management Corp of Ontario (IMCO)'s portfolio in Q2 2026, its #126 holding.
  • Investment Management Corp of Ontario (IMCO) first reported a position in Alnylam Pharmaceuticals in Q4 2023 and has held it in 11 quarters since.
  • Investment Management Corp of Ontario (IMCO)'s Alnylam Pharmaceuticals position peaked at $17.3M in Q3 2025.
  • 788 funds tracked by Wall St. Rank held Alnylam Pharmaceuticals as of Q2 2026.

Based on Investment Management Corp of Ontario (IMCO)'s 13F filing for Q2 2026, filed 14 Aug 2026.