Position in IONS
as of Mar 31, 2026
· filed May 7, 2026
Position Value
$20,065,172
+$6,139,046 QoQ
Shares Held
267,215
+51.8% QoQ
Ownership
0.162%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
23 quarters on record
Voting authority
Sole 84.18763916696294.ToString("F0")%
Shared 15.246524334337519.ToString("F0")%
None 0.565836498699549.ToString("F0")%
Common Shares in IONS Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026DIMENSIONAL FUND ADVISORS LP holds $5,003,907,830 across 224 Biotechnology names. IONS ranks #53 (0.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
989,342 | $441,780,774 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
513,060 | $396,410,676 | |
| 3 | JAZZ |
Jazz Pharmaceuticals plc
|
1,895,215 | $358,290,394 | |
| 4 | BMRN |
Biomarin Pharmaceutical Inc
|
3,802,930 | $214,827,514 | |
| 5 | ROIV |
Roivant Sciences Ltd.
|
7,475,866 | $207,081,486 | |
| 6 | INCY |
Incyte Corp
|
1,975,544 | $185,938,199 | |
| 7 | EXEL |
Exelixis, Inc.
|
4,299,597 | $184,409,714 | |
| 8 | HALO |
Halozyme Therapeutics, Inc.
|
2,079,827 | $134,419,216 |
All Filings in IONS
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $20,065,172 | 267,215 | Shares | Sole | 2026-05-07 | |
| 2025-12-31 | $13,926,126 | 176,035 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $2,761,836 | 42,217 | Shares | Sole | 2025-11-12 | |
| 2024-12-31 | $3,291,728 | 94,157 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $3,778,939 | 94,332 | Shares | Sole | 2024-11-07 | |
| 2024-06-30 | $4,229,634 | 88,746 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $4,738,285 | 109,303 | Shares | Sole | 2024-05-10 | |
| 2023-12-31 | $6,334,726 | 125,217 | Shares | Sole | 2024-02-07 | |
| 2023-09-30 | $8,716,376 | 192,160 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $7,496,754 | 182,714 | Shares | Sole | 2023-08-09 | |
| 2023-03-31 | $15,828,708 | 442,885 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $17,315,426 | 458,444 | Shares | Sole | 2023-02-09 | |
| 2022-09-30 | $24,809,843 | 560,928 | Shares | Sole | 2022-11-10 | |
| 2022-06-30 | $21,658,475 | 585,048 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $13,092,936 | 353,481 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $11,767,007 | 386,691 | Shares | Defined | 2022-02-09 | |
| 2021-09-30 | $11,934,840 | 355,839 | Shares | Defined | 2021-11-12 | |
| 2021-06-30 | $16,363,556 | 410,217 | Shares | Defined | 2021-08-12 | |
| 2021-03-31 | $20,559,353 | 457,281 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $25,392,340 | 449,104 | Shares | Defined | 2021-03-08 | |
| 2020-09-30 | $21,415,039 | 451,318 | Shares | Defined | 2020-11-12 | |
| 2020-06-30 | $24,708,426 | 419,071 | Shares | Defined | 2020-08-13 | |
| 2020-03-31 | $16,480,484 | 348,572 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||