Position in IONS
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$1,953,067,789
+$109,109,920 QoQ
Shares Held
24,631,956
+0.3% QoQ
Ownership
14.8%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
#1
of 510 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in IONS Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026FMR LLC holds $61,424,667,383 across 370 Biotechnology names. IONS ranks #6 (3.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ARGX |
Argenx SE
|
5,231,452 | $4,853,584,218 | |
| 2 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
15,023,962 | $4,522,663,276 | |
| 3 | MRNA |
Moderna, Inc.
|
51,859,891 | $3,631,748,165 | |
| 4 | ROIV |
Roivant Sciences Ltd.
|
81,020,390 | $2,867,311,601 | |
| 5 | RVMD |
Revolution Medicines, Inc.
|
12,200,422 | $2,284,895,029 | |
| 6 | IONS |
Ionis Pharmaceuticals Inc
This page
|
24,631,956 | $1,953,067,789 | |
| 7 | INSM |
INSMED Inc
|
16,143,583 | $1,721,228,815 | |
| 8 | KRYS |
Krystal Biotech, Inc.
|
4,418,197 | $1,642,111,277 |
All Filings in IONS
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,953,067,789 | 24,631,956 | Shares | Defined | 2026-08-13 | |
| 2026-03-31 | $1,843,957,869 | 24,556,637 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $1,904,343,909 | 24,072,101 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $1,549,736,864 | 23,689,038 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $934,134,532 | 23,642,990 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $712,421,857 | 23,613,585 | Shares | Defined | 2025-05-12 | |
| 2024-12-31 | $793,224,603 | 22,689,491 | Shares | Defined | 2025-02-13 | |
| 2024-09-30 | $900,529,929 | 22,479,529 | Shares | Defined | 2024-11-13 | |
| 2024-06-30 | $1,043,506,453 | 21,894,806 | Shares | Defined | 2024-08-13 | |
| 2024-03-31 | $947,749,561 | 21,862,735 | Shares | Defined | 2024-05-13 | |
| 2023-12-31 | $1,088,740,913 | 21,520,872 | Shares | Defined | 2024-02-13 | |
| 2023-09-30 | $975,191,101 | 21,498,922 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $880,660,369 | 21,463,816 | Shares | Defined | 2023-08-11 | |
| 2023-03-31 | $766,134,577 | 21,436,334 | Shares | Defined | 2023-08-11 | |
| 2022-12-31 | $804,784,991 | 21,307,519 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $941,707,962 | 21,291,159 | Shares | Defined | 2022-11-10 | |
| 2022-06-30 | $787,399,110 | 21,269,560 | Shares | Defined | 2022-08-12 | |
| 2022-03-31 | $789,725,616 | 21,320,886 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $644,553,105 | 21,181,502 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $710,114,044 | 21,172,154 | Shares | Defined | 2022-02-14 | |
| 2021-06-30 | $843,452,309 | 21,144,455 | Shares | Defined | 2021-08-13 | |
| 2021-03-31 | $948,381,564 | 21,093,896 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $1,183,836,442 | 20,938,034 | Shares | Defined | 2021-02-08 | |
| 2020-09-30 | $990,136,872 | 20,866,952 | Shares | Defined | 2020-11-13 | |
| 2020-06-30 | $1,226,990,263 | 20,810,554 | Shares | Defined | 2020-08-24 | |
| 2020-03-31 | $990,999,532 | 20,960,227 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||