Position in IRON
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$15,308,786
+$9,047,142 QoQ
Shares Held
209,308
+113.7% QoQ
Ownership
0.545%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#40
of 216 holders
Holding Since
Sep 2020
24 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in IRON Over Time
Shares Held
Position Value (USD)
Derivatives in IRON
reported options exposure · as of Jun 30, 2026CallValue
$1,155,612
CallShares
15,800
PutValue
$1,258,008
PutShares
17,200
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 Jun 30, 2026CITADEL ADVISORS LLC holds $6,088,670,159 across 436 Biotechnology names. IRON ranks #76 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ONC |
BeOne Medicines Ltd.
|
1,425,517 | $406,229,578 | |
| 2 | BBIO |
BridgeBio Pharma, Inc.
|
3,760,028 | $280,046,885 | |
| 3 | INSM |
INSMED Inc
|
2,556,973 | $272,624,460 | |
| 4 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
507,233 | $272,358,759 | |
| 5 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
510,430 | $253,545,893 | |
| 6 | JAZZ |
Jazz Pharmaceuticals plc
|
1,006,676 | $242,578,715 | |
| 7 | MANE |
Veradermics, Inc
|
1,877,775 | $230,853,658 | |
| 8 | ROIV |
Roivant Sciences Ltd.
|
5,576,261 | $197,343,876 |
All Filings in IRON
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,155,612 | 15,800 | Call | Defined | 2026-08-14 | |
| 2026-06-30 | $1,258,008 | 17,200 | Put | Defined | 2026-08-14 | |
| 2026-06-30 | $15,308,786 | 209,308 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $6,261,644 | 97,930 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $786,462 | 12,300 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $1,336,346 | 20,900 | Put | Defined | 2026-05-15 | |
| 2025-12-31 | $7,972,366 | 100,395 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $257,712 | 3,900 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $3,330,035 | 50,394 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $1,085,680 | 20,500 | Put | Defined | 2025-08-14 | |
| 2025-03-31 | $44,676 | 900 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $24,820 | 500 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $3,088,302 | 62,214 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $37,486,581 | 591,271 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $25,360 | 400 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $805,180 | 12,700 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $147,420 | 3,000 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $20,197,719 | 411,024 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $49,140 | 1,000 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $513,798 | 11,400 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $265,913 | 5,900 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $14,490,951 | 321,521 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $2,938,672 | 47,200 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $20,279,576 | 325,724 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $884,092 | 14,200 | Put | Defined | 2024-05-15 | |
| 2023-12-31 | $929,936 | 16,100 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $10,854,490 | 187,924 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $115,520 | 2,000 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $14,584,047 | 310,431 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $28,918,608 | 651,320 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $3,628,533 | 171,238 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $19,293 | 970 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $1,107,435 | 55,678 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 GMTX | — | 579,914 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 GMTX | — | 11,600 | Call | Defined | 2022-11-14 | |
| 2022-09-30 GMTX | — | 21,700 | Put | Defined | 2022-11-14 | |
| 2022-06-30 GMTX | — | 16,600 | Put | Defined | 2022-08-15 | |
| 2022-06-30 GMTX | — | 566,968 | Shares | Defined | 2022-08-15 | |
| 2022-06-30 GMTX | — | 22,800 | Call | Defined | 2022-08-15 | |
| 2022-03-31 GMTX | — | 341,410 | Shares | Defined | 2022-05-16 | |
| 2022-03-31 GMTX | — | 19,500 | Call | Defined | 2022-05-16 | |
| 2021-12-31 GMTX | — | 56,000 | Call | Defined | 2022-02-14 | |
| 2021-12-31 GMTX | — | 335,256 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 GMTX | — | 364,863 | Shares | Defined | 2021-11-15 | |
| 2021-09-30 GMTX | — | 10,900 | Put | Defined | 2021-11-15 | |
| 2021-09-30 GMTX | — | 32,200 | Call | Defined | 2021-11-15 | |
| 2021-06-30 GMTX | — | 27,500 | Put | Defined | 2021-08-16 | |
| 2021-06-30 GMTX | — | 375,134 | Shares | Defined | 2021-08-16 | |
| 2021-06-30 GMTX | — | 74,900 | Call | Defined | 2021-08-16 | |
| 2021-03-31 GMTX | — | 424,341 | Shares | Defined | 2021-05-21 | |
| No filing history on record for this holder in this stock. | ||||||