Position in IONS
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$78,957,585
+$71,579,629 QoQ
Shares Held
1,051,506
+1027.5% QoQ
Ownership
0.636%
of shares outstanding
% of Portfolio
0.07%
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)
Derivatives in IONS
reported options exposure · as of Mar 31, 2021CallValue
$4,496,000
CallShares
100,000
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Biotechnology
Healthcare · as of Mar 31, 2026MILLENNIUM MANAGEMENT LLC holds $4,570,822,033 across 342 Biotechnology names. IONS ranks #10 (1.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | JAZZ |
Jazz Pharmaceuticals plc
|
1,262,511 | $238,677,704 | |
| 2 | INSM |
INSMED Inc
|
1,157,786 | $189,321,166 | |
| 3 | BMRN |
Biomarin Pharmaceutical Inc
|
3,010,308 | $170,052,298 | |
| 4 | TERN |
Terns Pharmaceuticals, Inc.
|
3,011,558 | $158,769,337 | |
| 5 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
447,887 | $148,192,371 | |
| 6 | FOLD |
AMICUS THERAPEUTICS, INC.
|
7,908,459 | $114,356,317 | |
| 7 | ARDX |
Ardelyx, Inc.
|
17,842,370 | $106,875,796 | |
| 8 | BLTE |
Belite Bio, Inc
|
570,088 | $90,894,830 |
All Filings in IONS
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $78,957,585 | 1,051,506 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $7,377,956 | 93,262 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $50,999,469 | 779,570 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $104,682,811 | 2,649,527 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $19,169,112 | 635,370 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $27,066,556 | 774,215 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $17,254,763 | 430,723 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $6,110,726 | 128,215 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $25,280,809 | 583,179 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $45,041,541 | 890,325 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $19,827,899 | 437,123 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $17,188,000 | 418,913 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $1,621,273 | 45,363 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $4,362,661 | 115,506 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $837,229 | 18,929 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $11,869,167 | 320,615 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $7,081,714 | 191,191 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $49,392,089 | 1,623,138 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $9,486,923 | 282,854 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $31,746,137 | 795,842 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $4,496,000 | 100,000 | Call | Sole | 2021-05-17 | |
| 2021-03-31 | $28,381,629 | 631,264 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $29,999,502 | 530,589 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $5,170,009 | 108,957 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $788,236 | 13,369 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $3,384,869 | 71,592 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||