Alnylam Pharmaceuticals, Inc. Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| FMR LLC | 11/13/2025 | 16.77 M | $7.65 B | 6.08% | 12.93% |
| CAPITAL WORLD INVESTORS | 11/13/2025 | 16.43 M | $7.49 B | -2.21% | 12.67% |
| VANGUARD GROUP INC | 11/07/2025 | 13.57 M | $6.19 B | 2.02% | 10.46% |
| BLACKROCK, INC. | 11/12/2025 | 9.90 M | $4.52 B | -0.77% | 7.64% |
| CAPITAL RESEARCH GLOBAL INVESTORS | 11/13/2025 | 7.22 M | $3.29 B | 0.43% | 5.57% |
| JPMORGAN CHASE & CO | 11/26/2025 | 4.54 M | $2.07 B | 120.36% | 3.50% |
| GROUPAMA ASSET MANAGMENT | 12/01/2025 | 4.03 M | $18.61 M | 160.41% | 3.11% |
| STATE STREET CORP | 11/14/2025 | 3.08 M | $1.41 B | -2.89% | 2.38% |
| BAILLIE GIFFORD & CO | 10/31/2025 | 2.79 M | $1.27 B | -8.00% | 2.15% |
| GEODE CAPITAL MANAGEMENT, LLC | 11/12/2025 | 2.50 M | $1.14 B | 4.19% | 1.93% |
| DODGE & COX | 11/13/2025 | 2.32 M | $1.06 B | -27.40% | 1.79% |
| T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 11/14/2025 | 2.17 M | $991.34 M | -49.22% | 1.68% |
| ORBIS ALLAN GRAY LTD | 11/14/2025 | 1.95 M | $889.64 M | -8.03% | 1.50% |
| WELLINGTON MANAGEMENT GROUP LLP | 11/14/2025 | 1.83 M | $832.80 M | -12.02% | 1.41% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 11/14/2025 | 1.80 M | $820.94 M | -42.76% | 1.39% |
| AMERICAN CENTURY COMPANIES INC | 11/12/2025 | 1.64 M | $748.50 M | -8.50% | 1.27% |
| BANK OF AMERICA CORP /DE/ | 11/14/2025 | 1.50 M | $683.31 M | 19.18% | 1.16% |
| INVESCO LTD. | 11/13/2025 | 1.48 M | $675.72 M | 10.45% | 1.14% |
| REGENERON PHARMACEUTICALS, INC. | 11/07/2025 | 1.39 M | $634.89 M | -68.67% | 1.07% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 11/13/2025 | 1.36 M | $618.16 M | 698.83% | 1.05% |
| JANE STREET GROUP, LLC | 11/14/2025 | 958.75 K | $437.19 M | 4,094.74% | 0.74% |
| TWO SIGMA ADVISERS, LP | 11/14/2025 | 892.50 K | $406.98 M | 235.40% | 0.69% |
| LEGAL & GENERAL GROUP PLC | 11/13/2025 | 887.78 K | $404.83 M | 1.72% | 0.68% |
| NORTHERN TRUST CORP | 11/14/2025 | 833.15 K | $379.92 M | 0.17% | 0.64% |
| QUBE RESEARCH & TECHNOLOGIES LTD | 11/14/2025 | 811.28 K | $369.94 M | 100.00% | 0.63% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 11/14/2025 | 801.20 K | $365.35 M | 295.07% | 0.62% |
| AQR CAPITAL MANAGEMENT LLC | 11/14/2025 | 744.01 K | $336.01 M | 295.23% | 0.57% |
| MORGAN STANLEY | 11/14/2025 | 726.06 K | $331.09 M | -5.82% | 0.56% |
| FRANKLIN RESOURCES INC | 11/13/2025 | 714.01 K | $325.59 M | 18.74% | 0.55% |
| UBS ASSET MANAGEMENT AMERICAS INC | 11/14/2025 | 708.56 K | $323.11 M | -26.06% | 0.55% |
| CLEARBRIDGE INVESTMENTS, LLC | 11/13/2025 | 622.44 K | $283.83 M | 11.73% | 0.48% |
| MACQUARIE GROUP LTD | 11/13/2025 | 648.34 K | $295.64 M | 8.04% | 0.50% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 11/10/2025 | 618.77 K | $282.16 M | 8.22% | 0.48% |
| DEUTSCHE BANK AG\ | 11/13/2025 | 606.32 K | $276.48 M | -6.62% | 0.47% |
| TWO SIGMA INVESTMENTS, LP | 11/14/2025 | 595.93 K | $271.74 M | 73.59% | 0.46% |
| NUVEEN, LLC | 11/12/2025 | 587.82 K | $268.05 M | -24.15% | 0.45% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 11/14/2025 | 577.63 K | $263.40 M | 177.36% | 0.45% |
| FEDERATED HERMES, INC. | 11/03/2025 | 550.10 K | $250.85 M | 69.87% | 0.42% |
| MILLENNIUM MANAGEMENT LLC | 11/14/2025 | 549.93 K | $250.77 M | 508.03% | 0.42% |
| GOLDMAN SACHS GROUP INC | 11/14/2025 | 538.35 K | $245.49 M | -1.28% | 0.42% |
| MARSHALL WACE, LLP | 11/13/2025 | 508.37 K | $231.82 M | 113.09% | 0.39% |
| LOOMIS SAYLES & CO L P | 11/13/2025 | 500.67 K | $228.31 M | 2.74% | 0.39% |
| UBS GROUP AG | 11/13/2025 | 488.20 K | $222.62 M | -10.17% | 0.38% |
| 1832 ASSET MANAGEMENT L.P. | 11/14/2025 | 459.35 K | $209.46 M | 105.67% | 0.35% |
| BELLEVUE GROUP AG | 11/14/2025 | 446.52 K | $203.61 M | -33.98% | 0.34% |
| ROYAL BANK OF CANADA | 11/14/2025 | 436.76 K | $199.16 M | 1.37% | 0.34% |
| BANK OF NEW YORK MELLON CORP | 11/03/2025 | 419.78 K | $191.42 M | -2.32% | 0.32% |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 11/17/2025 | 410.34 K | $187.12 M | 2,221.73% | 0.32% |
| PICTET ASSET MANAGEMENT HOLDING SA | 11/18/2025 | 387.55 K | $175.97 M | -16.59% | 0.30% |
| AMUNDI | 11/14/2025 | 384.27 K | $173.69 M | -2.51% | 0.30% |
Explore Related Stocks for Market Trends
Explore our related stocks for the latest market trends and stock news to stay informed and make better decisions.
Alnylam Pharmaceuticals, Inc. institutional Ownership - FAQ's
During the previous two years, 1061 institutional investors and hedge funds held shares of Alnylam Pharmaceuticals, Inc.. The most heavily invested institutionals were:
FMR LLC: 16.77 M
Capital World Investors: 16.43 M
VANGUARD GROUP INC: 13.57 M
BlackRock, Inc.: 9.9 M
Capital Research Global Investors: 7.22 M
JPMORGAN CHASE & CO: 4.54 M
102.94% of Alnylam Pharmaceuticals, Inc. stock is owned by institutional investors.
Institutional investors have bought a total of 157.84 M shares in the last 24 months. This purchase volume represents approximately $72.03 B in transactions.