Alnylam Pharmaceuticals Inc

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Alnylam Pharmaceuticals Inc
TickerALNY
CIK #0001178670
CUSIP02043Q107
SectorLife Sciences - Pharmaceutical Preparations
Address300 Third Street, Cambridge, MA 02142
Source [EDGAR]
CIK Filing 2011 - 2026
[0001178670] 10-K
[0001178670] 10-Q
[0001178670] 3
[0001178670] 4
[0001178670] 5
[0001178670] 8-K
[0001178670] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Vanguard Capital Management LLC Alnylam Pharmaceuticals Inc [2026-04-29] 0.0
Capital Research Global Investors Alnylam Pharmaceuticals Inc [2025-02-13] 0.0
Capital World Investors Alnylam Pharmaceuticals Inc [2022-09-09] 10.7
Price T Rowe Associates Inc /MD/ Alnylam Pharmaceuticals Inc [2022-02-14] 5.4
Baillie Gifford & Co Alnylam Pharmaceuticals Inc [2020-02-03] 7.34
Price T Rowe Associates Inc /MD/ Alnylam Pharmaceuticals Inc [2017-12-11] 11.7
BlackRock Inc Alnylam Pharmaceuticals Inc [2017-01-30] 5.1
Dodge & Cox Alnylam Pharmaceuticals Inc [2016-12-09] 10.6
Vanguard Group Inc Alnylam Pharmaceuticals Inc [2016-02-10] 5.95
BlackRock Inc Alnylam Pharmaceuticals Inc [2016-01-28] 5.1
Sanofi Alnylam Pharmaceuticals Inc [2014-03-05] 12.0
Price T Rowe Associates Inc /MD/ Alnylam Pharmaceuticals Inc [2014-02-12] 6.0
Vanguard Specialized Funds Alnylam Pharmaceuticals Inc [2014-02-04] 6.47
Wellington Management Co LLP Alnylam Pharmaceuticals Inc [2013-12-10] 12.11
Alnylam Pharmaceuticals Inc Regulus Therapeutics Inc [2013-02-14] 17.2
Form 3/4/5 Filer 2011 - 2026
Alnylam Pharmaceuticals Inc
Cravatt Benjamin
Pyott David E I
Reitan Colleen F
Schulman Amy W
Sigal Charles Elliott
Brandicourt Olivier
Hamburg Margaret A
Kellogg Peter N
Arbuckle Stuart A
Ausiello Dennis A
McLaughlin Melissa
Poulton Jeffrey V
Garg Pushkal
Tanguler Tolga
Fitzgerald Kevin Joseph
Greenstreet Yvonne
Supran Bryan
Bonney Michael W
Bertozzi Carolyn R
Hesslein Robert W
Sharp Phillip A
Franchini Indrani Lall
Vaishnaw Akshay
Fanucci Marsha
Paul Steven M
Maraganore John
Keating Laurie
Greene Barry E
Schimmel Paul
Soni Manmeet Singh
Sanofi
Mason Michael
Clarke John K
Starr Kevin P
Gros David-Alexandre C
Regulus Therapeutics Inc
Reid Laurence
Dzau Victor J
Novartis Pharma AG
Novartis AG
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Garg Pushkal
Common Stock
2026-03-05 Sell 500 $326.08 163,040
Garg Pushkal
Common Stock
2026-03-05 Sell 740 $323.55 239,427
Garg Pushkal
Common Stock
2026-03-05 Sell 510 $324.59 165,541
Fitzgerald Kevin Joseph
Common Stock
2026-03-05 Sell 233 $323.25 75,317
Fitzgerald Kevin Joseph
Common Stock
2026-03-05 Sell 153 $326.24 49,915
Fitzgerald Kevin Joseph
Common Stock
2026-03-05 Sell 124 $321.81 39,904
Fitzgerald Kevin Joseph
Common Stock
2026-03-05 Sell 148 $324.60 48,041
Garg Pushkal
Common Stock
2026-03-05 Sell 654 $322.33 210,804
Tanguler Tolga
Common Stock
2026-03-04 Sell 208 $325.67 67,739
Poulton Jeffrey V
Common Stock
2026-03-04 Sell 291 $324.88 94,540
Greenstreet Yvonne
Common Stock
2026-03-04 Sell 135 $319.03 43,069
Greenstreet Yvonne
Common Stock
2026-03-04 Sell 345 $324.88 112,084
Tanguler Tolga
Common Stock
2026-03-04 Sell 767 $323.84 248,385
Greenstreet Yvonne
Common Stock
2026-03-04 Sell 265 $325.67 86,303
Fitzgerald Kevin Joseph
Common Stock
2026-03-04 Sell 210 $323.84 68,006
Garg Pushkal
Common Stock
2026-03-04 Sell 767 $323.84 248,385
Fitzgerald Kevin Joseph
Common Stock
2026-03-04 Sell 79 $321.82 25,424
Fitzgerald Kevin Joseph
Common Stock
2026-03-04 Sell 28 $320.01 8,960
Garg Pushkal
Common Stock
2026-03-04 Sell 102 $320.01 32,641
Poulton Jeffrey V
Common Stock
2026-03-04 Sell 109 $320.01 34,881
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 791 125,825,644
2025-12-31 854 131,001,102
2025-09-30 827 131,778,260
2025-06-30 660 125,362,565
2025-03-31 638 121,725,047
2024-12-31 601 120,376,114
2024-09-30 575 120,587,475
2024-06-30 533 118,312,964
2024-03-31 508 114,571,419
2023-12-31 505 115,451,208
2023-09-30 458 110,784,604
2023-06-30 479 111,347,862
Form 13F Holdings
Firm Period DFND Voting Shares
Congress Asset Management Co [2026-06-30] SOLE 216,366 265,701
Assenagon Asset Management SA [2026-06-30] SOLE 155,695 155,695
Portman Square Capital LLP [2026-06-30] SOLE 71,216 71,216
Swedbank AB [2026-06-30] DFND 61,894 61,894
Sierra Summit Advisors LLC [2026-06-30] SOLE 0 41,684
OFI Invest Asset Management [2026-06-30] SOLE 9,990,889 37,945
PensionDanmark Pensionsforsikringsaktieselskab [2026-06-30] SOLE 0 22,451
Louisiana State Employees Retirement System [2026-06-30] SOLE 8,700 8,700
PKO Investment Management Joint-Stock Co [2026-06-30] SOLE 7,500 7,500
Wealth Enhancement Advisory Services LLC [2026-06-30] SOLE 148 7,494
Y-Intercept Hong Kong Ltd [2026-06-30] SOLE 6,561 6,561
ASR Vermogensbeheer NV [2026-06-30] DFND 5,375 5,375
Envestnet Portfolio Solutions Inc [2026-06-30] SOLE 4,635 4,635
E Ohman J or Asset Management AB [2026-06-30] SOLE 4,584 4,584
Howland Capital Management LLC [2026-06-30] SOLE 1,534 4,534
Sequoia Financial Advisors LLC [2026-06-30] SOLE 0 4,347
Generali Investments CEE investicni spolecnost as [2026-06-30] SOLE 3,850 3,850
Spectrum Planning & Advisory Services Inc [2026-06-30] SOLE 0 3,350
Burney CO/ [2026-06-30] SOLE 0 3,190
Gateway Investment Advisers LLC [2026-06-30] SOLE 2,900 2,900
Hall Laurie J Trustee [2026-06-30] DFND 0 2,812
Perpetual Ltd [2026-06-30] DFND 2,722 2,722
QRG Capital Management Inc [2026-06-30] SOLE 2,652 2,652
Everhart Financial Group Inc [2026-06-30] SOLE 0 2,646
Merit Financial Group LLC [2026-06-30] OTR 0 2,233
Archford Capital Strategies LLC [2026-06-30] SOLE 2,019 2,019
TEMA ETFS LLC [2026-06-30] SOLE 1,930 1,930
Bannerman Wealth Management Group LLC [2026-06-30] SOLE 0 1,883
Yousif Capital Management LLC [2026-06-30] SOLE 1,828 1,828
Davenport & Company LLC [2026-06-30] SOLE 1,802 1,802
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