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CSS LLC’s Alnylam Pharmaceuticals ALNY Stock Holding History

CSS LLC’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
2025
Q4 		– Sell
-2,010
Closed -$917K – 1020
2025
Q3 		$917K Buy
+2,010
New +$818K 0.05% 352
2024
Q4 		– Sell
-7,500
Closed -$2.06M – 970
2024
Q3 		$2.06M Buy
7,500
+6,800
+971% +$1.77M 0.12% 159
2024
Q2 		$170K Buy
+700
New +$111K 0.01% 704
2022
Q4 		– Sell
-4,613
Closed -$924K – 942
2022
Q3 		$924K Buy
+4,613
New +$880K 0.05% 363
2022
Q2 		– Hold
0
– – – 1096
2022
Q1 		– Hold
0
– – – 1161
2021
Q4 		– Hold
0
– – – 1229

Other funds holding ALNY

Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.47T AUM 27.86% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $935B AUM