Frontier Capital Management’s Alnylam Pharmaceuticals ALNY Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$33.6M Buy
103,003
+583
+0.6% +$190K 0.31% 133
2025
Q1
$27.7M Sell
102,420
-2,298
-2% -$621K 0.3% 126
2024
Q4
$24.6M Sell
104,718
-6,513
-6% -$1.53M 0.23% 155
2024
Q3
$30.6M Sell
111,231
-57,211
-34% -$15.7M 0.29% 139
2024
Q2
$40.9M Buy
+168,442
New +$40.9M 0.41% 97
2021
Q3
Sell
-45,822
Closed -$7.77M 282
2021
Q2
$7.77M Buy
+45,822
New +$7.77M 0.06% 249
2021
Q1
Sell
-4,746
Closed -$617K 278
2020
Q4
$617K Hold
4,746
﹤0.01% 281
2020
Q3
$691K Sell
4,746
-104
-2% -$15.1K 0.01% 287
2020
Q2
$718K Sell
4,850
-34,187
-88% -$5.06M 0.01% 289
2020
Q1
$4.25M Sell
39,037
-12,447
-24% -$1.35M 0.05% 245
2019
Q4
$5.93M Sell
51,484
-41,885
-45% -$4.82M 0.04% 245
2019
Q3
$7.51M Buy
93,369
+18,680
+25% +$1.5M 0.06% 240
2019
Q2
$5.42M Buy
74,689
+6,563
+10% +$476K 0.04% 256
2019
Q1
$6.37M Sell
68,126
-129,743
-66% -$12.1M 0.05% 254
2018
Q4
$14.4M Buy
197,869
+191,629
+3,071% +$14M 0.12% 204
2018
Q3
$546K Sell
6,240
-29,960
-83% -$2.62M ﹤0.01% 285
2018
Q2
$3.57M Buy
36,200
+9,164
+34% +$902K 0.03% 276
2018
Q1
$3.22M Sell
27,036
-6,645
-20% -$791K 0.02% 268
2017
Q4
$4.28M Sell
33,681
-50,820
-60% -$6.46M 0.03% 267
2017
Q3
$9.93M Sell
84,501
-32,421
-28% -$3.81M 0.07% 236
2017
Q2
$9.33M Sell
116,922
-79,410
-40% -$6.33M 0.07% 242
2017
Q1
$10.1M Sell
196,332
-40,603
-17% -$2.08M 0.07% 240
2016
Q4
$8.87M Buy
+236,935
New +$8.87M 0.07% 242
2015
Q4
Sell
-212,682
Closed -$17.1M 353
2015
Q3
$17.1M Buy
+212,682
New +$17.1M 0.14% 208