Position in IBRX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$684,164
-$541,456 QoQ
Shares Held
89,200
-85.6% QoQ
Ownership
0.009%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2021
19 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in IBRX Over Time
Shares Held
Position Value (USD)
Derivatives in IBRX
reported options exposure · as of Mar 31, 2026CallValue
$767,000
CallShares
100,000
PutValue
$684,164
PutShares
89,200
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, 2026Sculptor Capital LP holds $23,604,874 across 5 Biotechnology names. IBRX ranks #3 (2.9% of the industry book) .
All Filings in IBRX
Export CSV
42 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $684,164 | 89,200 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $684,164 | 89,200 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $767,000 | 100,000 | Call | Defined | 2026-05-15 | |
| 2025-12-31 | $1,225,620 | 619,000 | Shares | Defined | 2026-02-13 | |
| 2025-12-31 | $1,227,600 | 620,000 | Put | Defined | 2026-02-13 | |
| 2025-09-30 | $1,525,200 | 620,000 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $1,522,740 | 619,000 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $1,636,800 | 620,000 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $814,704 | 308,600 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $1,610,400 | 610,000 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $159,530 | 53,000 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $159,530 | 53,000 | Put | Defined | 2025-05-15 | |
| 2024-12-31 | $693,248 | 270,800 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $695,808 | 271,800 | Put | Defined | 2025-02-14 | |
| 2024-09-30 | $813,936 | 218,800 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $744,000 | 200,000 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $810,216 | 217,800 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $1,382,816 | 218,800 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $2,243,600 | 355,000 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $774,200 | 122,500 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $1,429,494 | 266,200 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $1,429,494 | 266,200 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $1,342,500 | 250,000 | Call | Defined | 2024-05-15 | |
| 2023-12-31 | $399,090 | 79,500 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $221,897 | 131,300 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $221,897 | 131,300 | Put | Defined | 2023-11-14 | |
| 2023-06-30 | $365,014 | 131,300 | Put | Defined | 2023-08-14 | |
| 2023-06-30 | $365,014 | 131,300 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $89,544 | 49,200 | Shares | Defined | 2023-05-16 | |
| 2023-03-31 | $89,544 | 49,200 | Put | Defined | 2023-05-16 | |
| 2022-12-31 | $249,444 | 49,200 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $249,444 | 49,200 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $244,524 | 49,200 | Put | Defined | 2022-11-14 | |
| 2022-09-30 | $244,524 | 49,200 | Shares | Defined | 2022-11-14 | |
| 2021-12-31 | $932,064 | 153,300 | Put | Defined | 2022-02-11 | |
| 2021-12-31 | $932,064 | 153,300 | Shares | Defined | 2022-02-11 | |
| 2021-09-30 | $1,539,894 | 158,100 | Shares | Defined | 2021-11-12 | |
| 2021-09-30 | $1,493,142 | 153,300 | Put | Defined | 2021-11-12 | |
| 2021-06-30 | $2,257,668 | 158,100 | Shares | Defined | 2021-08-16 | |
| 2021-06-30 | $2,189,124 | 153,300 | Put | Defined | 2021-08-16 | |
| 2021-03-31 | $3,753,294 | 158,100 | Put | Defined | 2021-08-16 | |
| 2021-03-31 | $3,753,294 | 158,100 | Shares | Defined | 2021-08-16 | |
| No filing history on record for this holder in this stock. | ||||||