Position in IONS
as of Jun 30, 2026
· filed Aug 7, 2026
Position Value
$848,772,480
+$64,646,969 QoQ
Shares Held
10,704,660
+2.5% QoQ
Ownership
6.44%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#3
of 513 holders
Holding Since
Sep 2024
8 quarters on record
Voting authority
Sole 95%
Shared 0%
None 5%
Common Shares in IONS Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026BlackRock, Inc. holds $85,603,777,939 across 474 Biotechnology names. IONS ranks #23 (1.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
24,109,373 | $11,975,848,839 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
9,113,506 | $5,682,635,520 | |
| 3 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
10,907,675 | $3,283,537,392 | |
| 4 | RVMD |
Revolution Medicines, Inc.
|
13,695,790 | $2,564,947,540 | |
| 5 | MRNA |
Moderna, Inc.
|
30,599,409 | $2,142,876,602 | |
| 6 | INCY |
Incyte Corp
|
18,032,718 | $2,044,188,902 | |
| 7 | CYTK |
Cytokinetics Inc
|
20,094,362 | $1,711,838,691 | |
| 8 | ROIV |
Roivant Sciences Ltd.
|
48,236,091 | $1,707,075,250 |
All Filings in IONS
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8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $848,772,480 | 10,704,660 | Shares | Sole | 2026-08-07 | |
| 2026-03-31 | $784,125,511 | 10,442,476 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $842,352,434 | 10,647,863 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $683,504,225 | 10,447,940 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $430,537,969 | 10,896,937 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $339,848,204 | 11,264,442 | Shares | Sole | 2025-05-02 | |
| 2024-12-31 | $407,827,548 | 11,665,548 | Shares | Sole | 2025-02-07 | |
| 2024-09-30 | $433,169,691 | 10,813,023 | Shares | Sole | 2024-11-13 | |
| No filing history on record for this holder in this stock. | ||||||