SEI Investments’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
$33.2M Sell
100,315
-10,797
-10% -$3.67M 0.03% 575
2025
Q4
$44.2M Buy
111,112
+16,631
+18% +$7.36M 0.04% 432
2025
Q3
$43.1M Sell
94,481
-214,138
-69% -$87.2M 0.05% 416
2025
Q2
$101M Buy
308,619
+31,250
+11% +$8.65M 0.12% 176
2025
Q1
$74.9M Buy
277,369
+11,369
+4% +$2.92M 0.1% 234
2024
Q4
$62.6M Buy
266,000
+28,093
+12% +$7.39M 0.08% 260
2024
Q3
$65.4M Buy
237,907
+198,729
+507% +$51.7M 0.09% 254
2024
Q2
$9.52M Buy
39,178
+9,575
+32% +$1.51M 0.01% 941
2024
Q1
$4.43M Buy
29,603
+3,354
+13% +$560K 0.01% 1262
2023
Q4
$5.02M Buy
26,249
+947
+4% +$161K 0.01% 1189
2023
Q3
$4.48M Sell
25,302
-4,461
-15% -$851K 0.01% 1225
2023
Q2
$5.65M Buy
29,763
+2,473
+9% +$490K 0.01% 1141
2023
Q1
$5.47M Sell
27,290
-342
-1% -$71.9K 0.01% 1147
2022
Q4
$6.57M Sell
27,632
-737
-3% -$157K 0.01% 923
2022
Q3
$5.68M Buy
28,369
+2,094
+8% +$399K 0.01% 1037
2022
Q2
$3.77M Sell
26,275
-2,167
-8% -$307K 0.01% 1232
2022
Q1
$4.59M Buy
28,442
+3,001
+12% +$457K 0.01% 1145
2021
Q4
$4.42M Buy
25,441
+1,379
+6% +$256K 0.01% 1195
2021
Q3
$4.61M Buy
24,062
+229
+1% +$43K 0.01% 1123
2021
Q2
$4.12M Buy
23,833
+4,618
+24% +$676K 0.01% 1184
2021
Q1
$2.72M Sell
19,215
-2,500
-12% -$376K 0.01% 1324
2020
Q4
$2.86M Sell
21,715
-1,302
-6% -$174K 0.01% 1222
2020
Q3
$3.36M Sell
23,017
-7,558
-25% -$1.07M 0.01% 1054
2020
Q2
$4.53M Buy
30,575
+1,066
+4% +$144K 0.01% 909
2020
Q1
$3.21M Sell
29,509
-678
-2% -$78.3K 0.01% 949
2019
Q4
$3.47M Sell
30,187
-46,616
-61% -$4.65M 0.01% 1083
2019
Q3
$6.13M Buy
76,803
+934
+1% +$73.9K 0.02% 845
2019
Q2
$5.48M Buy
75,869
+20,283
+36% +$1.56M 0.02% 894
2019
Q1
$5.18M Buy
55,586
+13,192
+31% +$1.1M 0.02% 887
2018
Q4
$3.69M Buy
42,394
+294
+0.7% +$22.6K 0.01% 1046
2018
Q3
$3.68M Sell
42,100
-20,328
-33% -$2.04M 0.01% 1020
2018
Q2
$6.15M Buy
62,428
+30,006
+93% +$2.98M 0.02% 821
2018
Q1
$3.86M Sell
32,422
-16,754
-34% -$2.16M 0.01% 950
2017
Q4
$6.25M Sell
49,176
-980
-2% -$123K 0.02% 808
2017
Q3
$5.89M Buy
50,156
+16
+0% +$1.37K 0.02% 811
2017
Q2
$4M Sell
50,140
-23,945
-32% -$1.53M 0.02% 926
2017
Q1
$3.8M Sell
74,085
-1,930
-3% -$89.2K 0.02% 914
2016
Q4
$2.85M Sell
76,015
-2,714
-3% -$114K 0.01% 1016
2016
Q3
$5.34M Buy
78,729
+36,075
+85% +$2.55M 0.03% 680
2016
Q2
$2.37M Buy
42,654
+22,785
+115% +$1.44M 0.01% 941
2016
Q1
$1.25M Buy
19,869
+300
+2% +$19.9K 0.01% 1095
2015
Q4
$1.84M Buy
19,569
+16,273
+494% +$1.51M 0.01% 1031
2015
Q3
$265K Sell
3,296
-5,234
-61% -$582K ﹤0.01% 1528
2015
Q2
$1.02M Sell
8,530
-24,480
-74% -$2.93M 0.01% 971
2015
Q1
$3.45M Buy
33,010
+30,369
+1,150% +$3.08M 0.03% 562
2014
Q4
$256K Buy
+2,641
New +$245K ﹤0.01% 1333

Other funds holding ALNY