ALNY
Alnylam Pharmaceuticals, Inc.
NMS
$286.12
-9.51
(-3.22%)
Pullback · -1.16σ
Top-10 concentration
Share of float held by the 10 largest institutions.
Top institutional holders
| Holder | Shares | % out | Value | Reported |
|---|---|---|---|---|
| FMR, LLC | 14,579,166 | 10.92% | $4.17B | 2026-03-31 |
| Capital World Investors | 10,802,348 | 8.09% | $3.09B | 2026-03-31 |
| Blackrock Inc. | 10,444,908 | 7.82% | $2.99B | 2026-03-31 |
| Capital Research Global Investors | 9,471,181 | 7.09% | $2.71B | 2026-03-31 |
| Vanguard Portfolio Management LLC | 6,491,280 | 4.86% | $1.86B | 2026-03-31 |
| JPMORGAN CHASE & CO | 6,323,752 | 4.74% | $1.81B | 2026-03-31 |
| Vanguard Capital Management LLC | 5,946,706 | 4.45% | $1.70B | 2026-03-31 |
| T. Rowe Price Investment Management, Inc. | 5,193,324 | 3.89% | $1.49B | 2026-03-31 |
| State Street Corporation | 3,322,698 | 2.49% | $950.7M | 2026-03-31 |
| Geode Capital Management, LLC | 2,660,385 | 1.99% | $761.2M | 2026-03-31 |