ARK Investment Management LLC
Position in IONS — Ionis Pharmaceuticals Inc
CIK 1697748
ST. PETERSBURG, FL
Position in IONS
as of Mar 31, 2026
· filed May 12, 2026
Position Value
$21,679,684
-$11,781,314 QoQ
Shares Held
288,716
-31.7% QoQ
Ownership
0.175%
of shares outstanding
% of Portfolio
0.17%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in IONS Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026ARK Investment Management LLC holds $1,308,181,852 across 17 Biotechnology names. IONS ranks #8 (1.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CRSP |
CRISPR Therapeutics AG
|
11,313,623 | $538,189,046 | |
| 2 | BEAM |
Beam Therapeutics Inc.
|
12,133,433 | $289,139,708 | |
| 3 | NTLA |
Intellia Therapeutics, Inc.
|
14,509,247 | $186,008,546 | |
| 4 | RXRX |
Recursion Pharmaceuticals, Inc.
|
40,212,769 | $123,453,200 | |
| 5 | ABSI |
Absci Corp
|
13,726,169 | $41,178,507 | |
| 6 | NRIX |
Nurix Therapeutics, Inc.
|
1,721,135 | $26,677,592 | |
| 7 | PRME |
Prime Medicine, Inc.
|
6,246,827 | $21,738,957 | |
| 8 | IONS |
Ionis Pharmaceuticals Inc
This page
|
288,716 | $21,679,684 |
All Filings in IONS
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $21,679,684 | 288,716 | Shares | Sole | 2026-05-12 | |
| 2025-12-31 | $33,460,998 | 422,968 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $41,294,085 | 631,215 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $35,571,564 | 900,318 | Shares | Sole | 2025-07-30 | |
| 2025-03-31 | $30,185,899 | 1,000,527 | Shares | Sole | 2025-05-07 | |
| 2024-12-31 | $35,843,089 | 1,025,260 | Shares | Sole | 2025-02-04 | |
| 2024-09-30 | $55,453,816 | 1,384,269 | Shares | Sole | 2024-10-31 | |
| 2024-06-30 | $64,866,451 | 1,361,025 | Shares | Sole | 2024-07-26 | |
| 2024-03-31 | $60,683,584 | 1,399,852 | Shares | Sole | 2024-04-18 | |
| 2023-12-31 | $96,376,783 | 1,905,056 | Shares | Sole | 2024-01-17 | |
| 2023-09-30 | $107,338,407 | 2,366,367 | Shares | Sole | 2023-10-18 | |
| 2023-06-30 | $99,400,549 | 2,422,631 | Shares | Sole | 2023-07-10 | |
| 2023-03-31 | $94,253,242 | 2,637,192 | Shares | Sole | 2023-04-17 | |
| 2022-12-31 | $100,979,530 | 2,673,538 | Shares | Sole | 2023-01-24 | |
| 2022-09-30 | $164,230,722 | 3,713,107 | Shares | Sole | 2022-10-17 | |
| 2022-06-30 | $174,042,014 | 4,701,297 | Shares | Sole | 2022-07-11 | |
| 2022-03-31 | $228,585,248 | 6,171,308 | Shares | Sole | 2022-04-19 | |
| 2021-12-31 | $215,543,480 | 7,083,256 | Shares | Sole | 2022-01-28 | |
| 2021-09-30 | $285,471,819 | 8,511,384 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $355,329,469 | 8,907,733 | Shares | Sole | 2021-08-05 | |
| 2021-03-31 | $231,196,504 | 5,142,271 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $135,670,783 | 2,399,554 | Shares | Sole | 2021-02-12 | |
| 2020-09-30 | $23,846,472 | 502,560 | Shares | Sole | 2020-10-30 | |
| 2020-06-30 | $20,289,963 | 344,131 | Shares | Sole | 2020-08-11 | |
| 2020-03-31 | $5,658,517 | 119,681 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||