Northern Trust’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
$284M Buy
858,120
+378
+0% +$129K 0.04% 391
2025
Q4
$341M Buy
857,742
+24,591
+3% +$10.9M 0.04% 349
2025
Q3
$380M Buy
833,151
+1,374
+0.2% +$559K 0.05% 328
2025
Q2
$271M Sell
831,777
-33,243
-4% -$9.2M 0.04% 394
2025
Q1
$234M Sell
865,020
-13,840
-2% -$3.56M 0.03% 427
2024
Q4
$207M Buy
878,860
+143,941
+20% +$37.9M 0.03% 465
2024
Q3
$202M Sell
734,919
-45,916
-6% -$12M 0.03% 429
2024
Q2
$190M Buy
780,835
+41,251
+6% +$6.51M 0.03% 439
2024
Q1
$111M Sell
739,584
-24,936
-3% -$4.16M 0.02% 586
2023
Q4
$146M Sell
764,520
-33,180
-4% -$5.65M 0.03% 498
2023
Q3
$141M Buy
797,700
+25,230
+3% +$4.81M 0.03% 503
2023
Q2
$147M Buy
772,470
+10,886
+1% +$2.16M 0.03% 490
2023
Q1
$153M Buy
761,584
+12,045
+2% +$2.53M 0.03% 470
2022
Q4
$178M Buy
749,539
+15,547
+2% +$3.32M 0.04% 432
2022
Q3
$147M Sell
733,992
-2,945
-0.4% -$562K 0.03% 439
2022
Q2
$107M Sell
736,937
-26,403
-3% -$3.75M 0.02% 544
2022
Q1
$125M Sell
763,340
-6,073
-0.8% -$925K 0.02% 573
2021
Q4
$130M Sell
769,413
-9,708
-1% -$1.8M 0.02% 578
2021
Q3
$147M Buy
779,121
+70,615
+10% +$13.2M 0.03% 530
2021
Q2
$120M Sell
708,506
-41,706
-6% -$6.11M 0.02% 597
2021
Q1
$106M Buy
750,212
+7,442
+1% +$1.12M 0.02% 644
2020
Q4
$96.5M Sell
742,770
-9,628
-1% -$1.29M 0.02% 656
2020
Q3
$110M Sell
752,398
-22,641
-3% -$3.22M 0.02% 528
2020
Q2
$115M Buy
775,039
+78,943
+11% +$10.6M 0.03% 499
2020
Q1
$75.8M Buy
696,096
+29,075
+4% +$3.36M 0.02% 581
2019
Q4
$76.8M Buy
667,021
+483
+0.1% +$48.2K 0.02% 711
2019
Q3
$53.6M Buy
666,538
+96,655
+17% +$7.65M 0.01% 919
2019
Q2
$41.4M Buy
569,883
+11,578
+2% +$888K 0.01% 1145
2019
Q1
$52.2M Buy
558,305
+26,657
+5% +$2.23M 0.01% 937
2018
Q4
$38.8M Buy
531,648
+37,136
+8% +$2.86M 0.01% 1048
2018
Q3
$43.3M Buy
494,512
+1,744
+0.4% +$175K 0.01% 1130
2018
Q2
$48.5M Buy
492,768
+20,992
+4% +$2.08M 0.01% 1034
2018
Q1
$56.2M Sell
471,776
-2,833
-0.6% -$365K 0.01% 898
2017
Q4
$60.3M Buy
474,609
+97,881
+26% +$12.3M 0.02% 839
2017
Q3
$44.3M Sell
376,728
-292
-0.1% -$24.9K 0.01% 1057
2017
Q2
$30.1M Buy
377,020
+17,862
+5% +$1.14M 0.01% 1368
2017
Q1
$18.4M Buy
359,158
+13,199
+4% +$610K 0.01% 1683
2016
Q4
$13M Sell
345,959
-26,343
-7% -$1.1M ﹤0.01% 1924
2016
Q3
$25.2M Buy
372,302
+7,927
+2% +$559K 0.01% 1393
2016
Q2
$20.2M Buy
364,375
+12,927
+4% +$814K 0.01% 1523
2016
Q1
$22.2M Buy
351,448
+11,904
+4% +$791K 0.01% 1416
2015
Q4
$32M Sell
339,544
-66,757
-16% -$6.19M 0.01% 1123
2015
Q3
$32.6M Sell
406,301
-18,932
-4% -$2.1M 0.01% 1103
2015
Q2
$51M Buy
425,233
+103,393
+32% +$12.4M 0.02% 838
2015
Q1
$33.6M Buy
321,840
+45,575
+16% +$4.62M 0.01% 1174
2014
Q4
$26.8M Sell
276,265
-88
-0% -$8.15K 0.01% 1316
2014
Q3
$21.6M Sell
276,353
-387,344
-58% -$25M 0.01% 1453
2014
Q2
$41.9M Sell
663,697
-103,447
-13% -$6.15M 0.01% 926
2014
Q1
$51.5M Sell
767,144
-53,641
-7% -$4.15M 0.02% 801
2013
Q4
$52.8M Buy
820,785
+15,307
+2% +$913K 0.02% 740
2013
Q3
$51.6M Buy
805,478
+16,023
+2% +$799K 0.02% 691
2013
Q2
$24.5M Buy
+789,455
New +$21M 0.01% 1212

Other funds holding ALNY

Northern Trust's ALNY Position: Q1 2026 in Review

Northern Trust increased its Alnylam Pharmaceuticals (ALNY) stake by 0.04% in Q1 2026, buying an estimated $129K and bringing the position to 858,120 shares worth $284M. The position accounts for 0.04% of the portfolio, ranked #391.

Northern Trust first reported a position in ALNY in Q2 2013 and has held it in 52 quarters since. The position peaked at $380M in Q3 2025. 786 funds tracked by Wall St. Rank hold ALNY as of Q1 2026.

  • Northern Trust held 858,120 shares of Alnylam Pharmaceuticals worth $284M as of Q1 2026.
  • Northern Trust bought 378 Alnylam Pharmaceuticals shares in Q1 2026, an estimated $129K.
  • Alnylam Pharmaceuticals made up 0.04% of Northern Trust's portfolio in Q1 2026, its #391 holding.
  • Northern Trust first reported a position in Alnylam Pharmaceuticals in Q2 2013 and has held it in 52 quarters since.
  • Northern Trust's Alnylam Pharmaceuticals position peaked at $380M in Q3 2025.
  • 786 funds tracked by Wall St. Rank held Alnylam Pharmaceuticals as of Q1 2026.

Based on Northern Trust's 13F filing for Q1 2026, filed 14 May 2026.