UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
Position in IONS — Ionis Pharmaceuticals Inc
CIK 861177
NEW YORK, NY
Position in IONS
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$110,805,201
+$955,670 QoQ
Shares Held
1,475,632
+6.3% QoQ
Ownership
0.893%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 56.58910893772974.ToString("F0")%
Shared 0.ToString("F0")%
None 43.41089106227027.ToString("F0")%
Common Shares in IONS Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC holds $4,287,605,812 across 211 Biotechnology names. IONS ranks #7 (2.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
3,057,396 | $1,365,249,602 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
723,621 | $559,098,523 | |
| 3 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
677,519 | $224,170,706 | |
| 4 | INSM |
INSMED Inc
|
1,215,025 | $198,680,883 | |
| 5 | RPRX |
Royalty Pharma plc
|
3,095,766 | $148,503,890 | |
| 6 | INCY |
Incyte Corp
|
1,540,913 | $145,030,725 | |
| 7 | IONS |
Ionis Pharmaceuticals Inc
This page
|
1,475,632 | $110,805,201 | |
| 8 | DNLI |
Denali Therapeutics Inc.
|
4,432,314 | $85,100,425 |
All Filings in IONS
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $110,805,201 | 1,475,632 | Shares | Defined | 2026-05-13 | |
| 2025-12-31 | $109,849,531 | 1,388,567 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $75,505,534 | 1,154,166 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $31,255,248 | 791,072 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $19,895,149 | 659,435 | Shares | Defined | 2025-05-19 | |
| 2024-12-31 | $21,662,645 | 619,641 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $11,445,018 | 285,697 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $15,265,017 | 320,290 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $8,077,272 | 186,327 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $9,426,280 | 186,327 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $8,033,887 | 177,114 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $7,251,351 | 176,733 | Shares | Defined | 2023-08-11 | |
| 2023-03-31 | $6,316,435 | 176,733 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $6,639,811 | 175,796 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $12,367,765 | 279,624 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $7,618,306 | 205,789 | Shares | Other | 2022-08-12 | |
| 2022-03-31 | $7,663,795 | 206,906 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $5,591,570 | 183,752 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $6,059,501 | 180,665 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $7,034,239 | 176,341 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $18,187,393 | 404,524 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $23,153,746 | 409,511 | Shares | Defined | 2021-03-01 | |
| 2020-09-30 | $16,555,253 | 348,899 | Shares | Defined | 2020-11-13 | |
| 2020-06-30 | $19,966,211 | 338,640 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $17,055,405 | 360,732 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||