Brown Brothers Harriman & Co’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
$50.2K Buy
154
+127
+470% +$41.4K ﹤0.01% 938
2025
Q1
$7.29K Sell
27
-3
-10% -$810 ﹤0.01% 1108
2024
Q4
$7.06K Sell
30
-22
-42% -$5.18K ﹤0.01% 1179
2024
Q3
$14.3K Buy
52
+25
+93% +$6.88K ﹤0.01% 992
2024
Q2
$6.56K Hold
27
﹤0.01% 1008
2024
Q1
$4.04K Sell
27
-375
-93% -$56K ﹤0.01% 1054
2023
Q4
$76.9K Sell
402
-240
-37% -$45.9K ﹤0.01% 662
2023
Q3
$114K Buy
642
+615
+2,278% +$109K ﹤0.01% 573
2023
Q2
$5.13K Hold
27
﹤0.01% 1049
2023
Q1
$5.41K Buy
+27
New +$5.41K ﹤0.01% 1055
2019
Q4
Sell
-123
Closed -$10K 1110
2019
Q3
$10K Hold
123
﹤0.01% 884
2019
Q2
$9K Buy
123
+3
+3% +$220 ﹤0.01% 827
2019
Q1
$11K Buy
+120
New +$11K ﹤0.01% 821
2018
Q2
Sell
-15
Closed -$2K 810
2018
Q1
$2K Sell
15
-20
-57% -$2.67K ﹤0.01% 742
2017
Q4
$4K Buy
+35
New +$4K ﹤0.01% 872
2015
Q2
Sell
-40
Closed -$4K 742
2015
Q1
$4K Hold
40
﹤0.01% 702
2014
Q4
$4K Buy
+40
New +$4K ﹤0.01% 763