Marshall Wace’s Alnylam Pharmaceuticals ALNY Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$364M Buy
1,099,318
+549,396
+100% +$187M 0.39% 31
2025
Q4
$219M Buy
549,922
+41,551
+8% +$18.4M 0.21% 77
2025
Q3
$232M Buy
508,371
+269,798
+113% +$110M 0.25% 62
2025
Q2
$77.8M Sell
238,573
-30,359
-11% -$8.4M 0.09% 218
2025
Q1
$72.6M Sell
268,932
-109,717
-29% -$28.2M 0.1% 187
2024
Q4
$89.1M Buy
378,649
+315,182
+497% +$82.9M 0.11% 174
2024
Q3
$17.5M Buy
+63,467
New +$16.5M 0.02% 558
2024
Q1
Sell
-1,300
Closed -$249K 2407
2023
Q4
$249K Buy
+1,300
New +$221K ﹤0.01% 1925
2023
Q3
Sell
-11,085
Closed -$2.11M 2159
2023
Q2
$2.11M Buy
+11,085
New +$2.2M ﹤0.01% 1382
2022
Q3
Sell
-165,292
Closed -$24.1M 3305
2022
Q2
$24.1M Buy
+165,292
New +$23.4M 0.06% 389
2021
Q4
Sell
-16,427
Closed -$3.1M 3833
2021
Q3
$3.1M Buy
+16,427
New +$3.08M 0.02% 1237
2020
Q3
Sell
-58,231
Closed -$8.63M 1547
2020
Q2
$8.63M Buy
+58,231
New +$7.85M 0.07% 324
2019
Q3
Sell
-234,539
Closed -$17M 1652
2019
Q2
$17M Buy
+234,539
New +$18M 0.14% 161
2016
Q3
Sell
-34,727
Closed -$1.93M 930
2016
Q2
$1.93M Buy
+34,727
New +$2.19M 0.02% 597
2014
Q3
Sell
-5,000
Closed -$316K 861
2014
Q2
$316K Buy
+5,000
New +$297K ﹤0.01% 749

Other funds holding ALNY