Institutional Ownership
Alnylam Pharmaceuticals Inc
CUSIP 02043Q107COMALNYQ1 2026
Institutional Holders
775
13F filers
Shares Held
114.91M
Aggregate institutional
Institutional Value
$35.43B
Q1 2026
Net New Holders
-59
88 new · 147 closed
Institutional Ownership Trend
Aggregate 13F value by quarter
Multi-quarter trend — upgrade to see history
UpgradePosition Activity
Q1 2026
New positions88
Increased322
Decreased255
Sold out147
Institutional Holders
775 funds hold this security · Q1 2026
| # | Fund | Shares | Value | Δ Shares | Activity |
|---|---|---|---|---|---|
| 1 | Fmr LLC | 14.58M | $4.82B | −1.32M | Reduced |
| 2 | Capital World Investors | 10.80M | $3.57B | −5.50M | Reduced |
| 3 | Blackrock, Inc. | 10.44M | $3.46B | +44.0K | Added |
| 4 | Capital Research Global Investors | 9.47M | $3.13B | +2.69M | Added |
| 5 | Jpmorgan Chase & Co | 6.32M | $2.00B | +1.60M | Added |
| 6 | State Street Corp | 3.32M | $1.10B | +93.7K | Added |
| 7 | Geode Capital Management, LLC | 2.66M | $884.57M | +9.7K | Added |
| 8 | Baillie Gifford & Co | 2.49M | $825.15M | −107.1K | Reduced |
| 9 | Two Sigma Investments, LP | 1.99M | $659.28M | +1.38M | Added |
| 10 | Wellington Management Group LLP | 1.94M | $640.54M | +307.0K | Added |
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