Position in IMUX
as of Mar 31, 2026
· filed May 12, 2026
Position Value
$731,659
+$578,575 QoQ
Shares Held
659,153
+129.9% QoQ
Ownership
4.84%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2020
14 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in IMUX Over Time
Shares Held
Position Value (USD)
Derivatives in IMUX
reported options exposure · as of Mar 31, 2026CallValue
$147,075
CallShares
132,500
PutValue
$16,761
PutShares
15,100
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, 2026JANE STREET GROUP, LLC holds $1,248,975,671 across 317 Biotechnology names. IMUX ranks #133 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BBIO |
BridgeBio Pharma, Inc.
|
1,757,672 | $130,524,721 | |
| 2 | RPRX |
Royalty Pharma plc
|
2,400,382 | $115,146,324 | |
| 3 | TGTX |
Tg Therapeutics, Inc.
|
2,041,669 | $67,824,242 | |
| 4 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
122,946 | $54,900,305 | |
| 5 | HALO |
Halozyme Therapeutics, Inc.
|
831,707 | $53,753,223 | |
| 6 | EXEL |
Exelixis, Inc.
|
1,087,030 | $46,622,715 | |
| 7 | JAZZ |
Jazz Pharmaceuticals plc
|
223,615 | $42,274,415 | |
| 8 | BNTX |
BioNTech SE
|
336,757 | $29,930,962 |
All Filings in IMUX
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $16,761 | 15,100 | Put | Defined | 2026-05-12 | |
| 2026-03-31 | $731,659 | 659,153 | Shares | Defined | 2026-05-12 | |
| 2026-03-31 | $147,075 | 132,500 | Call | Defined | 2026-05-12 | |
| 2025-12-31 | $153,084 | 286,677 | Shares | Defined | 2026-02-12 | |
| 2025-09-30 | $172,281 | 195,331 | Shares | Defined | 2025-11-14 | |
| 2025-03-31 | $226,066 | 207,401 | Shares | Defined | 2025-05-19 | |
| 2024-12-31 | $54,675 | 54,675 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $115,993 | 70,299 | Shares | Defined | 2024-11-15 | |
| 2024-06-30 | $35,238 | 31,746 | Shares | Defined | 2024-08-15 | |
| 2024-03-31 | $77,249 | 58,523 | Shares | Defined | 2024-05-16 | |
| 2023-06-30 | $33,024 | 13,157 | Shares | Defined | 2023-08-14 | |
| 2022-12-31 | $100,104 | 71,503 | Shares | Defined | 2023-02-15 | |
| 2022-06-30 | $240,627 | 69,345 | Shares | Defined | 2022-08-16 | |
| 2022-03-31 | $156,075 | 13,812 | Shares | Defined | 2022-05-17 | |
| 2021-12-31 | $281,424 | 29,407 | Shares | Defined | 2022-02-15 | |
| 2020-12-31 | $488,775 | 31,967 | Shares | Defined | 2021-02-17 | |
| No filing history on record for this holder in this stock. | ||||||