Position in ALNY
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$4,823,808,652
-$1,499,680,895 QoQ
Shares Held
14,579,166
-8.3% QoQ
Ownership
11.0%
of shares outstanding
% of Portfolio
0.28%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 96.3747720548624.ToString("F0")%
Shared 0.ToString("F0")%
None 3.6252279451376026.ToString("F0")%
Common Shares in ALNY Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026FMR LLC holds $49,674,888,413 across 352 Biotechnology names. ALNY ranks #1 (9.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ALNY |
Alnylam Pharmaceuticals, Inc.
This page
|
14,579,166 | $4,823,808,652 | |
| 2 | ARGX |
Argenx SE
|
4,991,034 | $3,644,702,577 | |
| 3 | MRNA |
Moderna, Inc.
|
45,672,024 | $2,320,138,818 | |
| 4 | ROIV |
Roivant Sciences Ltd.
|
77,981,253 | $2,160,080,705 | |
| 5 | INSM |
INSMED Inc
|
13,160,167 | $2,151,950,504 | |
| 6 | IONS |
Ionis Pharmaceuticals Inc
|
24,556,637 | $1,843,957,869 | |
| 7 | RPRX |
Royalty Pharma plc
|
25,152,242 | $1,206,553,046 | |
| 8 | REGN |
Regeneron Pharmaceuticals, Inc.
|
1,518,192 | $1,173,015,865 |
All Filings in ALNY
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $4,823,808,652 | 14,579,166 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $6,323,489,547 | 15,902,149 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $7,646,037,000 | 16,767,625 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $5,154,348,428 | 15,806,521 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $4,133,968,395 | 15,309,860 | Shares | Defined | 2025-05-12 | |
| 2024-12-31 | $3,173,367,830 | 13,485,903 | Shares | Defined | 2025-02-13 | |
| 2024-09-30 | $4,035,314,965 | 14,672,272 | Shares | Defined | 2024-11-13 | |
| 2024-06-30 | $2,955,861,234 | 12,164,038 | Shares | Defined | 2024-08-13 | |
| 2024-03-31 | $1,489,717,000 | 9,967,996 | Shares | Defined | 2024-05-13 | |
| 2023-12-31 | $1,973,888,059 | 10,312,356 | Shares | Defined | 2024-02-13 | |
| 2023-09-30 | $1,997,937,001 | 11,281,406 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $2,372,825,447 | 12,492,500 | Shares | Defined | 2023-08-11 | |
| 2023-03-31 | $2,638,381,664 | 13,170,835 | Shares | Defined | 2023-08-11 | |
| 2022-12-31 | $3,211,146,522 | 13,512,083 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $2,592,023,559 | 12,949,758 | Shares | Defined | 2022-11-10 | |
| 2022-06-30 | $2,089,264,639 | 14,324,749 | Shares | Defined | 2022-08-12 | |
| 2022-03-31 | $2,620,039,648 | 16,045,316 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $3,042,268,590 | 17,940,020 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $3,365,902,273 | 17,826,928 | Shares | Defined | 2022-02-14 | |
| 2021-06-30 | $2,988,930,698 | 17,631,729 | Shares | Defined | 2021-08-13 | |
| 2021-03-31 | $2,477,870,520 | 17,549,901 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $2,091,470,349 | 16,091,947 | Shares | Defined | 2021-02-08 | |
| 2020-09-30 | $2,397,875,915 | 16,468,928 | Shares | Defined | 2020-11-13 | |
| 2020-06-30 | $2,528,923,596 | 17,074,631 | Shares | Defined | 2020-08-24 | |
| 2020-03-31 | $1,829,257,883 | 16,805,309 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||