GC
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Gilbert & Cook’s Alnylam Pharmaceuticals ALNY Stock Holding History

Gilbert & Cook’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
Q1 		$1.31M Sell
3,960
-58
-1% -$19.7K 0.17% 54
2025
Q4 		$1.6M Sell
4,018
-1,490
-27% -$659K 0.2% 45
2025
Q3 		$2.51M Buy
5,508
+1,514
+38% +$617K 0.32% 24
2025
Q2 		$1.3M Buy
3,994
+90
+2% +$24.9K 0.18% 55
2025
Q1 		$1.05M Hold
3,904
– – 0.15% 60
2024
Q4 		$919K Sell
3,904
-20
-0.5% -$5.26K 0.13% 74
2024
Q3 		$1.08M Sell
3,924
-137
-3% -$35.7K 0.15% 65
2024
Q2 		$987K Sell
4,061
-424
-9% -$66.9K 0.14% 65
2024
Q1 		$670K Buy
4,485
+42
+0.9% +$7.01K 0.09% 106
2023
Q4 		$850K Buy
4,443
+317
+8% +$54K 0.12% 77
2023
Q3 		$731K Buy
4,126
+2,766
+203% +$528K 0.12% 82
2023
Q2 		$258K Buy
+1,360
New +$270K 0.04% 184

Other funds holding ALNY

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 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
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
JP Morgan Chase
JP Morgan Chase New York $1.47T AUM 27.86% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 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