Sectoral Asset 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
$1.08M Sell
3,323
-1,882
-36% -$614K 0.72% 46
2025
Q1
$1.41M Sell
5,205
-3,095
-37% -$836K 1.09% 24
2024
Q4
$1.95M Sell
8,300
-1,390
-14% -$327K 1.3% 22
2024
Q3
$2.67M Sell
9,690
-2,790
-22% -$767K 1.57% 15
2024
Q2
$3.03M Sell
12,480
-5,980
-32% -$1.45M 1.23% 23
2024
Q1
$2.76M Sell
18,460
-4,180
-18% -$625K 1.08% 27
2023
Q4
$4.33M Sell
22,640
-6,320
-22% -$1.21M 1.87% 13
2023
Q3
$5.13M Sell
28,960
-866
-3% -$153K 1% 42
2023
Q2
$5.67M Buy
29,826
+3,256
+12% +$618K 0.94% 45
2023
Q1
$5.32M Buy
26,570
+3,760
+16% +$753K 1.02% 42
2022
Q4
$5.42M Buy
22,810
+130
+0.6% +$30.9K 1.05% 41
2022
Q3
$4.54M Buy
22,680
+10,650
+89% +$2.13M 0.89% 49
2022
Q2
$1.76M Buy
12,030
+7,960
+196% +$1.16M 0.35% 83
2022
Q1
$665K Sell
4,070
-3,526
-46% -$576K 0.12% 93
2021
Q4
$1.29M Sell
7,596
-68,250
-90% -$11.6M 0.19% 92
2021
Q3
$14.3M Sell
75,846
-2,000
-3% -$378K 1.19% 26
2021
Q2
$13.2M Sell
77,846
-31,900
-29% -$5.41M 1.07% 35
2021
Q1
$15.5M Buy
109,746
+1,400
+1% +$198K 1.17% 29
2020
Q4
$14.1M Buy
+108,346
New +$14.1M 0.99% 41
2020
Q3
Sell
-17,600
Closed -$2.61M 93
2020
Q2
$2.61M Sell
17,600
-60,200
-77% -$8.92M 0.24% 72
2020
Q1
$8.47M Sell
77,800
-9,800
-11% -$1.07M 1.63% 23
2019
Q4
$10.1M Sell
87,600
-96,741
-52% -$11.1M 1.51% 28
2019
Q3
$14.8M Sell
184,341
-218,300
-54% -$17.6M 2.56% 10
2019
Q2
$29.2M Buy
402,641
+11,600
+3% +$842K 3.49% 6
2019
Q1
$36.5M Sell
391,041
-104,300
-21% -$9.75M 4.4% 3
2018
Q4
$36.1M Buy
495,341
+111,300
+29% +$8.11M 4.91% 3
2018
Q3
$33.6M Buy
384,041
+80,341
+26% +$7.03M 3.57% 4
2018
Q2
$29.9M Buy
+303,700
New +$29.9M 3.34% 6
2017
Q2
Sell
-24,899
Closed -$1.28M 62
2017
Q1
$1.28M Buy
24,899
+5,000
+25% +$256K 0.15% 56
2016
Q4
$745K Sell
19,899
-5,901
-23% -$221K 0.08% 52
2016
Q3
$1.75M Buy
25,800
+15,800
+158% +$1.07M 0.17% 53
2016
Q2
$555K Buy
+10,000
New +$555K 0.06% 64