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1832 Asset Management’s
Alnylam Pharmaceuticals
ALNY
Stock Holding History
1832 Asset Management’s Portfolio
ALNY Stock Details
ALNY Fund Activity
Bought
Maintained
Sold
Shares
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2026
Q1
–
Sell
-440,145
Closed
-$175M
–
653
2025
Q4
$175M
Sell
440,145
-19,200
-4%
-$8.5M
0.13%
108
2025
Q3
$209M
Buy
459,345
+236,000
+106%
+$96.1M
0.17%
73
2025
Q2
$72.8M
Buy
223,345
+79,300
+55%
+$21.9M
0.06%
162
2025
Q1
$38.9M
Buy
+144,045
New
+$37M
0.04%
221
2024
Q3
–
Sell
-545
Closed
-$132K
–
680
2024
Q2
$132K
Hold
545
–
–
﹤0.01%
658
2024
Q1
$81.5K
Hold
545
–
–
﹤0.01%
676
2023
Q4
$104K
Hold
545
–
–
﹤0.01%
655
2023
Q3
$96.5K
Hold
545
–
–
﹤0.01%
668
2023
Q2
$104K
Sell
545
-22,200
-98%
-$4.4M
﹤0.01%
670
2023
Q1
$4.56M
Sell
22,745
-368,600
-94%
-$77.5M
0.01%
415
2022
Q4
$93M
Buy
391,345
+4,200
+1%
+$896K
0.15%
120
2022
Q3
$77.5M
Buy
387,145
+386,600
+70,936%
+$73.7M
0.14%
137
2022
Q2
$79K
Hold
545
–
–
﹤0.01%
724
2022
Q1
$88K
Buy
+545
New
+$83K
﹤0.01%
757
2020
Q2
–
Sell
-20,900
Closed
-$2.29M
–
645
2020
Q1
$2.29M
Buy
+20,900
New
+$2.41M
0.01%
388
Other funds holding ALNY
Fidelity Investments
Boston, Massachusetts
$1.9T AUM
41.92%
1-Year Est. Return
Capital World Investors
Los Angeles, California
$733B AUM
35.63%
1-Year Est. Return
BlackRock
New York
$5.72T AUM
30.48%
1-Year Est. Return
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
New York
$1.56T AUM
27.86%
1-Year Est. Return
VCM
Vanguard Capital Management
Malvern, Pennsylvania
$4.04T AUM
T. Rowe Price Investment Management
Baltimore, Maryland
$145B AUM
22.78%
1-Year Est. Return
Invesco
Atlanta, Georgia
$1.02T AUM
30.18%
1-Year Est. Return
State Street
Boston, Massachusetts
$2.9T AUM
29.55%
1-Year Est. Return
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Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
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