Alnylam Pharmaceuticals Inc Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| FMR LLC | 08/13/2026 | 15.02 M | $4.52 B | 3.05% | 11.31% |
| CAPITAL WORLD INVESTORS | 08/12/2026 | 11.14 M | $3.35 B | 3.17% | 8.39% |
| BLACKROCK, INC. | 08/07/2026 | 10.91 M | $3.28 B | 4.43% | 8.21% |
| CAPITAL RESEARCH GLOBAL INVESTORS | 08/12/2026 | 9.75 M | $2.94 B | 2.95% | 7.34% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 08/13/2026 | 6.54 M | $1.97 B | 0.73% | 4.92% |
| VANGUARD CAPITAL MANAGEMENT LLC | 08/13/2026 | 6.03 M | $1.82 B | 1.39% | 4.54% |
| T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 08/14/2026 | 5.64 M | $1.70 B | 8.64% | 4.25% |
| INVESCO LTD. | 08/14/2026 | 3.75 M | $1.13 B | 34.88% | 2.83% |
| STATE STREET CORP | 08/07/2026 | 3.56 M | $1.07 B | 7.01% | 2.68% |
| JPMORGAN CHASE & CO | 08/12/2026 | 2.68 M | $785.32 M | -57.69% | 2.01% |
| GEODE CAPITAL MANAGEMENT, LLC | 08/12/2026 | 2.64 M | $791.35 M | -0.92% | 1.98% |
| BAILLIE GIFFORD & CO | 08/06/2026 | 2.44 M | $734.48 M | -2.16% | 1.84% |
| NORGES BANK | 08/12/2026 | 2.27 M | $683.88 M | 100.00% | 1.71% |
| WELLINGTON MANAGEMENT GROUP LLP | 08/14/2026 | 2.11 M | $635.30 M | 9.01% | 1.59% |
| ORBIS ALLAN GRAY LTD | 08/14/2026 | 1.99 M | $598.27 M | 48.89% | 1.50% |
| DODGE & COX | 08/13/2026 | 1.96 M | $588.63 M | 1.35% | 1.47% |
| TWO SIGMA INVESTMENTS, LP | 08/14/2026 | 1.88 M | $564.71 M | -5.85% | 1.41% |
| AMERICAN CENTURY COMPANIES INC | 08/12/2026 | 1.85 M | $558.10 M | 2.86% | 1.40% |
| CLEARBRIDGE INVESTMENTS, LLC | 08/13/2026 | 1.26 M | $379.14 M | -7.12% | 0.95% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 08/14/2026 | 1.15 M | $345.95 M | -19.79% | 0.86% |
| D. E. SHAW & CO., INC. | 08/14/2026 | 1.10 M | $332.37 M | 4.25% | 0.83% |
| MORGAN STANLEY | 08/13/2026 | 1.03 M | $310.71 M | 2.94% | 0.78% |
| BANK OF AMERICA CORP /DE/ | 08/14/2026 | 994.48 K | $299.37 M | 2.85% | 0.75% |
| LEGAL & GENERAL GROUP PLC | 08/14/2026 | 924.56 K | $278.32 M | -1.10% | 0.70% |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 08/14/2026 | 893.80 K | $269.06 M | 34.94% | 0.67% |
| NORTHERN TRUST CORP | 08/13/2026 | 886.90 K | $266.98 M | 3.35% | 0.67% |
| ROYAL BANK OF CANADA | 08/14/2026 | 875.86 K | $263.66 M | 10.66% | 0.66% |
| VANGUARD FIDUCIARY TRUST CO | 08/13/2026 | 862.78 K | $259.72 M | 2.60% | 0.65% |
| DEEP TRACK CAPITAL, LP | 08/14/2026 | 825.00 K | $248.35 M | 100.00% | 0.62% |
| DEUTSCHE BANK AG\ | 08/07/2026 | 815.40 K | $245.46 M | 7.08% | 0.61% |
| QUBE RESEARCH & TECHNOLOGIES LTD | 08/14/2026 | 798.72 K | $240.44 M | -4.71% | 0.60% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 08/14/2026 | 755.38 K | $227.39 M | 12.18% | 0.57% |
| SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P. | 08/14/2026 | 755.38 K | $227.39 M | 100.00% | 0.57% |
| LOS ANGELES CAPITAL MANAGEMENT LLC | 08/13/2026 | 729.64 K | $219.64 M | 726.52% | 0.55% |
| AQR CAPITAL MANAGEMENT LLC | 08/14/2026 | 728.04 K | $218.99 M | -20.27% | 0.55% |
| UBS ASSET MANAGEMENT AMERICAS INC | 08/13/2026 | 727.85 K | $219.10 M | 7.43% | 0.55% |
| FEDERATED HERMES, INC. | 08/12/2026 | 719.91 K | $216.71 M | 4.67% | 0.54% |
| UBS GROUP AG | 08/13/2026 | 627.00 K | $188.75 M | 36.64% | 0.47% |
| AMUNDI | 08/11/2026 | 617.47 K | $185.88 M | -17.40% | 0.46% |
| LOOMIS SAYLES & CO L P | 08/14/2026 | 580.19 K | $174.65 M | 13.30% | 0.44% |
| GOLDMAN SACHS GROUP INC | 08/14/2026 | 574.76 K | $173.02 M | 22.45% | 0.43% |
| BANK OF NEW YORK MELLON CORP | 08/06/2026 | 492.07 K | $148.13 M | 0.18% | 0.37% |
| POLAR CAPITAL HOLDINGS PLC | 08/14/2026 | 482.75 K | $145.32 M | 87.35% | 0.36% |
| PARADIGM BIOCAPITAL ADVISORS LP | 08/14/2026 | 480.00 K | $144.49 M | 100.00% | 0.36% |
| FRANKLIN RESOURCES INC | 08/13/2026 | 447.70 K | $134.77 M | -4.82% | 0.34% |
| D. E. SHAW & CO., INC. | 08/14/2026 | 430.30 K | $129.53 M | 5.26% | 0.32% |
| FIRST TRUST ADVISORS LP | 08/11/2026 | 421.53 K | $126.89 M | 10.15% | 0.32% |
| RAYMOND JAMES FINANCIAL INC | 08/14/2026 | 392.80 K | $118.24 M | -3.48% | 0.30% |
| DIMENSIONAL FUND ADVISORS LP | 08/11/2026 | 392.02 K | $117.97 M | 2.03% | 0.30% |
| SWISS NATIONAL BANK | 08/11/2026 | 374.08 K | $112.61 M | -3.52% | 0.28% |
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Alnylam Pharmaceuticals Inc institutional Ownership - FAQ's
During the previous two years, 1111 institutional investors and hedge funds held shares of Alnylam Pharmaceuticals Inc. The most heavily invested institutionals were:
FMR LLC: 15.02 M
Capital World Investors: 11.14 M
BlackRock, Inc.: 10.91 M
Capital Research Global Investors: 9.75 M
VANGUARD PORTFOLIO MANAGEMENT LLC: 6.54 M
VANGUARD CAPITAL MANAGEMENT LLC: 6.03 M
100.78% of Alnylam Pharmaceuticals Inc stock is owned by institutional investors.
Institutional investors have bought a total of 171.53 M shares in the last 24 months. This purchase volume represents approximately $55.51 B in transactions.