Wellington Management Group
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Wellington Management Group’s Alnylam Pharmaceuticals ALNY Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$677M Sell
2,075,752
-535,234
-20% -$175M 0.12% 160
2025
Q1
$705M Sell
2,610,986
-1,585,637
-38% -$428M 0.14% 151
2024
Q4
$988M Sell
4,196,623
-756,724
-15% -$178M 0.18% 122
2024
Q3
$1.36B Sell
4,953,347
-1,257,132
-20% -$346M 0.24% 104
2024
Q2
$1.51B Sell
6,210,479
-998,526
-14% -$243M 0.27% 90
2024
Q1
$1.08B Sell
7,209,005
-5,193
-0.1% -$776K 0.19% 132
2023
Q4
$1.38B Buy
7,214,198
+782,384
+12% +$150M 0.26% 98
2023
Q3
$1.14B Buy
6,431,814
+364,021
+6% +$64.5M 0.23% 109
2023
Q2
$1.15B Sell
6,067,793
-85,984
-1% -$16.3M 0.22% 108
2023
Q1
$1.23B Sell
6,153,777
-80,309
-1% -$16.1M 0.24% 100
2022
Q4
$1.48B Buy
6,234,086
+279,793
+5% +$66.5M 0.3% 88
2022
Q3
$1.19B Buy
5,954,293
+141,423
+2% +$28.3M 0.25% 100
2022
Q2
$848M Sell
5,812,870
-1,221,617
-17% -$178M 0.17% 130
2022
Q1
$1.15B Buy
7,034,487
+190,057
+3% +$31M 0.2% 123
2021
Q4
$1.16B Sell
6,844,430
-526,642
-7% -$89.3M 0.19% 124
2021
Q3
$1.39B Sell
7,371,072
-1,807,417
-20% -$341M 0.24% 97
2021
Q2
$1.56B Buy
9,178,489
+30,539
+0.3% +$5.18M 0.26% 96
2021
Q1
$1.29B Sell
9,147,950
-908,990
-9% -$128M 0.23% 103
2020
Q4
$1.31B Sell
10,056,940
-80,586
-0.8% -$10.5M 0.24% 99
2020
Q3
$1.48B Sell
10,137,526
-334,201
-3% -$48.7M 0.31% 84
2020
Q2
$1.55B Sell
10,471,727
-1,815,051
-15% -$269M 0.35% 70
2020
Q1
$1.34B Sell
12,286,778
-1,999,696
-14% -$218M 0.35% 63
2019
Q4
$1.65B Sell
14,286,474
-546,433
-4% -$62.9M 0.34% 65
2019
Q3
$1.19B Sell
14,832,907
-31,061
-0.2% -$2.5M 0.27% 81
2019
Q2
$1.08B Buy
14,863,968
+31,370
+0.2% +$2.28M 0.24% 99
2019
Q1
$1.39B Buy
14,832,598
+766,371
+5% +$71.6M 0.31% 76
2018
Q4
$1.03B Buy
14,066,227
+1,034,915
+8% +$75.5M 0.26% 96
2018
Q3
$1.14B Buy
13,031,312
+1,246,992
+11% +$109M 0.24% 107
2018
Q2
$1.16B Buy
11,784,320
+2,181,158
+23% +$215M 0.26% 100
2018
Q1
$1.14B Buy
9,603,162
+420,632
+5% +$50.1M 0.26% 97
2017
Q4
$1.17B Sell
9,182,530
-2,118,787
-19% -$269M 0.26% 92
2017
Q3
$1.33B Sell
11,301,317
-567,731
-5% -$66.7M 0.3% 86
2017
Q2
$947M Sell
11,869,048
-172,131
-1% -$13.7M 0.22% 110
2017
Q1
$617M Buy
12,041,179
+31,208
+0.3% +$1.6M 0.15% 163
2016
Q4
$450M Buy
12,009,971
+12,492
+0.1% +$468K 0.11% 186
2016
Q3
$813M Buy
11,997,479
+25,696
+0.2% +$1.74M 0.2% 118
2016
Q2
$664M Buy
11,971,783
+26,176
+0.2% +$1.45M 0.17% 138
2016
Q1
$750M Buy
11,945,607
+1,288,123
+12% +$80.9M 0.2% 120
2015
Q4
$1B Buy
10,657,484
+333,358
+3% +$31.4M 0.26% 91
2015
Q3
$830M Buy
10,324,126
+710,086
+7% +$57.1M 0.23% 105
2015
Q2
$1.15B Sell
9,614,040
-826,774
-8% -$99.1M 0.3% 78
2015
Q1
$1.09B Buy
10,440,814
+1,493,678
+17% +$156M 0.28% 84
2014
Q4
$868M Sell
8,947,136
-509,985
-5% -$49.5M 0.23% 97
2014
Q3
$739M Buy
9,457,121
+325,004
+4% +$25.4M 0.2% 108
2014
Q2
$577M Buy
9,132,117
+1,087,573
+14% +$68.7M 0.16% 144
2014
Q1
$540M Sell
8,044,544
-103,332
-1% -$6.94M 0.15% 151
2013
Q4
$524M Buy
8,147,876
+6,085,029
+295% +$391M 0.15% 156
2013
Q3
$132M Buy
+2,062,847
New +$132M 0.04% 421