Alnylam Pharmaceuticals Inc Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| FMR LLC | 05/15/2026 | 14.58 M | $4.82 B | -8.32% | 11.03% |
| CAPITAL WORLD INVESTORS | 05/13/2026 | 10.80 M | $3.57 B | -33.74% | 8.17% |
| BLACKROCK, INC. | 05/13/2026 | 10.44 M | $3.46 B | 0.42% | 7.90% |
| CAPITAL RESEARCH GLOBAL INVESTORS | 05/13/2026 | 9.47 M | $3.13 B | 39.70% | 7.16% |
| 05/08/2026 | 6.49 M | $2.15 B | 100.00% | 4.91% | |
| JPMORGAN CHASE & CO | 05/13/2026 | 6.32 M | $2.00 B | 33.98% | 4.78% |
| 05/15/2026 | 5.95 M | $1.97 B | 100.00% | 4.50% | |
| T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 05/15/2026 | 5.19 M | $1.72 B | 196.15% | 3.93% |
| STATE STREET CORP | 05/15/2026 | 3.32 M | $1.10 B | 2.90% | 2.51% |
| GEODE CAPITAL MANAGEMENT, LLC | 05/15/2026 | 2.66 M | $884.57 M | 0.36% | 2.01% |
| BAILLIE GIFFORD & CO | 05/08/2026 | 2.49 M | $825.15 M | -4.12% | 1.89% |
| TWO SIGMA INVESTMENTS, LP | 05/15/2026 | 1.99 M | $659.28 M | 223.41% | 1.51% |
| WELLINGTON MANAGEMENT GROUP LLP | 05/15/2026 | 1.94 M | $640.54 M | 18.85% | 1.46% |
| DODGE & COX | 05/14/2026 | 1.93 M | $638.33 M | -1.79% | 1.46% |
| AMERICAN CENTURY COMPANIES INC | 05/15/2026 | 1.80 M | $596.35 M | 21.36% | 1.36% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 05/15/2026 | 1.43 M | $474.06 M | -15.86% | 1.08% |
| CLEARBRIDGE INVESTMENTS, LLC | 05/13/2026 | 1.36 M | $448.67 M | 127.14% | 1.03% |
| ORBIS ALLAN GRAY LTD | 05/15/2026 | 1.33 M | $441.65 M | -17.51% | 1.01% |
| INVESCO LTD. | 05/12/2026 | 1.29 M | $427.39 M | -40.36% | 0.98% |
| MARSHALL WACE, LLP | 05/15/2026 | 1.10 M | $363.73 M | 99.90% | 0.83% |
| D. E. SHAW & CO., INC. | 05/15/2026 | 1.06 M | $350.41 M | 138.26% | 0.80% |
| MORGAN STANLEY | 05/15/2026 | 1.00 M | $331.76 M | 3.35% | 0.76% |
| BANK OF AMERICA CORP /DE/ | 05/18/2026 | 966.91 K | $319.92 M | 41.12% | 0.73% |
| LEGAL & GENERAL GROUP PLC | 05/08/2026 | 934.88 K | $309.32 M | -2.77% | 0.71% |
| AQR CAPITAL MANAGEMENT LLC | 05/15/2026 | 913.10 K | $297.87 M | -0.75% | 0.69% |
| NORTHERN TRUST CORP | 05/14/2026 | 858.12 K | $283.93 M | 0.04% | 0.65% |
| VANGUARD FIDUCIARY TRUST CO | 05/08/2026 | 840.89 K | $278.22 M | 100.00% | 0.64% |
| QUBE RESEARCH & TECHNOLOGIES LTD | 05/15/2026 | 838.19 K | $277.33 M | 8.20% | 0.63% |
| ROYAL BANK OF CANADA | 05/15/2026 | 791.52 K | $261.89 M | 33.82% | 0.60% |
| DEUTSCHE BANK AG\ | 05/06/2026 | 761.46 K | $251.95 M | 6.95% | 0.58% |
| AMUNDI | 05/18/2026 | 747.54 K | $247.34 M | 22.77% | 0.57% |
| FEDERATED HERMES, INC. | 05/11/2026 | 687.82 K | $227.58 M | 9.51% | 0.52% |
| UBS ASSET MANAGEMENT AMERICAS INC | 05/13/2026 | 677.52 K | $224.17 M | 3.86% | 0.51% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 05/15/2026 | 673.36 K | $222.79 M | 3.94% | 0.51% |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 05/15/2026 | 662.37 K | $219.16 M | 944.54% | 0.50% |
| LOOMIS SAYLES & CO L P | 05/14/2026 | 512.10 K | $169.44 M | 4.75% | 0.39% |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 05/14/2026 | 496.00 K | $164.11 M | 0.14% | 0.38% |
| BANK OF NEW YORK MELLON CORP | 05/05/2026 | 491.20 K | $162.52 M | -2.57% | 0.37% |
| FRANKLIN RESOURCES INC | 05/13/2026 | 470.39 K | $155.64 M | -40.28% | 0.36% |
| GOLDMAN SACHS GROUP INC | 05/15/2026 | 469.39 K | $155.31 M | 25.06% | 0.36% |
| UBS GROUP AG | 05/05/2026 | 458.87 K | $151.83 M | -44.44% | 0.35% |
| MILLENNIUM MANAGEMENT LLC | 05/15/2026 | 447.89 K | $148.19 M | 493.78% | 0.34% |
| SQUAREPOINT OPS LLC | 05/15/2026 | 426.72 K | $141.19 M | 21.58% | 0.32% |
| D. E. SHAW & CO., INC. | 05/15/2026 | 408.80 K | $135.26 M | 2.92% | 0.31% |
| RAYMOND JAMES FINANCIAL INC | 05/14/2026 | 406.96 K | $129.97 M | 4.70% | 0.31% |
| SWISS NATIONAL BANK | 05/07/2026 | 387.72 K | $128.28 M | 7.94% | 0.29% |
| DIMENSIONAL FUND ADVISORS LP | 05/07/2026 | 384.21 K | $127.07 M | 27.28% | 0.29% |
| FIRST TRUST ADVISORS LP | 05/13/2026 | 382.70 K | $126.62 M | 48.94% | 0.29% |
| WELLS FARGO & COMPANY/MN | 05/11/2026 | 370.00 K | $122.42 M | 0.00% | 0.28% |
| WELLS FARGO & COMPANY/MN | 05/11/2026 | 342.76 K | $113.41 M | 33.04% | 0.26% |
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Alnylam Pharmaceuticals Inc institutional Ownership - FAQ's
During the previous two years, 1112 institutional investors and hedge funds held shares of Alnylam Pharmaceuticals Inc. The most heavily invested institutionals were:
FMR LLC: 14.58 M
Capital World Investors: 10.8 M
BlackRock, Inc.: 10.44 M
Capital Research Global Investors: 9.47 M
JPMORGAN CHASE & CO: 6.32 M
T. Rowe Price Investment Management, Inc.: 5.19 M
97.23% of Alnylam Pharmaceuticals Inc stock is owned by institutional investors.
Institutional investors have bought a total of 154.59 M shares in the last 24 months. This purchase volume represents approximately $50.02 B in transactions.