Capital International Investors
Position in IONS — Ionis Pharmaceuticals Inc
CIK 1562230
Los Angeles, CA
Position in IONS
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$65,316,247
New position
Shares Held
823,764
first reported quarter
Ownership
0.496%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#35
of 514 holders
Holding Since
Jun 2026
1 quarter on record
Voting authority
Sole 100%
Shared 0%
None 0%
Position in Biotechnology
Healthcare · as of Jun 30, 2026Capital International Investors holds $7,948,137,729 across 16 Biotechnology names. IONS ranks #13 (0.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
4,695,144 | $2,332,218,879 | |
| 2 | RPRX |
Royalty Pharma plc
|
35,273,770 | $1,977,800,283 | |
| 3 | ONC |
BeOne Medicines Ltd.
|
4,210,221 | $1,199,786,678 | |
| 4 | INSM |
INSMED Inc
|
8,238,124 | $878,348,780 | |
| 5 | ASND |
Ascendis Pharma A/S
|
1,988,614 | $530,403,126 | |
| 6 | XENE |
Xenon Pharmaceuticals Inc.
|
2,361,639 | $142,548,530 | |
| 7 | DFTX |
Definium Therapeutics, Inc.
|
2,963,410 | $139,398,806 | |
| 8 | COAG |
Hemab Therapeutics Holdings, Inc.
|
3,603,876 | $132,370,365 |
All Filings in IONS
Export CSV
1 filing row on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $65,316,247 | 823,764 | Shares | Defined | 2026-08-12 | |
| No filing history on record for this holder in this stock. | ||||||