SUSQUEHANNA INTERNATIONAL GROUP, LLP
Position in MBIO — Mustang Bio, Inc.
CIK 1446194
BALA CYNWYD, PA
Position in MBIO
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$9,592
-$5,989 QoQ
Shares Held
13,664
+930.5% QoQ
Ownership
0.180%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#11
of 23 holders
Holding Since
Mar 2020
16 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MBIO Over Time
Shares Held
Position Value (USD)
Derivatives in MBIO
reported options exposure · as of Dec 31, 2021CallValue
$0
CallShares
0
PutValue
$58,265
PutShares
47
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, 2026SUSQUEHANNA INTERNATIONAL GROUP, LLP holds $1,653,280,390 across 349 Biotechnology names. MBIO ranks #322 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ABVX |
Abivax S.A.
|
1,053,896 | $140,442,180 | |
| 2 | CYTK |
Cytokinetics Inc
|
1,549,458 | $131,998,327 | |
| 3 | REGN |
Regeneron Pharmaceuticals, Inc.
|
180,219 | $112,373,755 | |
| 4 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
294,460 | $88,641,293 | |
| 5 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
148,610 | $79,796,139 | |
| 6 | INSM |
INSMED Inc
|
729,354 | $77,763,723 | |
| 7 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
144,174 | $71,615,550 | |
| 8 | AGIO |
Agios Pharmaceuticals, Inc.
|
1,375,558 | $51,046,957 |
All Filings in MBIO
Export CSV
28 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $9,592 | 13,664 | Shares | Other | 2026-08-14 | |
| 2024-09-30 | $15,581 | 66,304 | Shares | Defined | 2024-11-14 | |
| 2023-12-31 | $57,537 | 42,620 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $67,523 | 32,620 | Shares | Defined | 2023-11-14 | |
| 2023-03-31 | $14,296 | 38,956 | Shares | Defined | 2023-05-16 | |
| 2022-12-31 | $6,652 | 16,843 | Shares | Defined | 2023-02-14 | |
| 2022-06-30 | $78,745 | 134,607 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $16,028 | 15,870 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $124,221 | 74,832 | Shares | Defined | 2022-04-05 | |
| 2021-12-31 | $58,265 | 35,100 | Put | Defined | 2022-04-05 | |
| 2021-09-30 | $243,356 | 90,467 | Shares | Defined | 2021-11-15 | |
| 2021-09-30 | $36,314 | 13,500 | Put | Defined | 2021-11-15 | |
| 2021-06-30 | $155,043 | 46,700 | Put | Defined | 2021-08-11 | |
| 2021-06-30 | $45,151 | 13,600 | Call | Defined | 2021-08-11 | |
| 2021-06-30 | $485,233 | 146,155 | Shares | Defined | 2021-08-11 | |
| 2021-03-31 | $188,243 | 56,700 | Call | Defined | 2021-05-17 | |
| 2021-03-31 | $308,095 | 92,800 | Put | Defined | 2021-05-17 | |
| 2021-03-31 | $257,582 | 77,585 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $548,824 | 145,000 | Call | Defined | 2021-03-26 | |
| 2020-12-31 | $110,332 | 29,150 | Shares | Defined | 2021-03-26 | |
| 2020-12-31 | $641,557 | 169,500 | Put | Defined | 2021-03-26 | |
| 2020-09-30 | $415,475 | 131,897 | Shares | Defined | 2020-11-16 | |
| 2020-09-30 | $503,054 | 159,700 | Put | Defined | 2020-11-16 | |
| 2020-06-30 | $202,645 | 63,725 | Shares | Defined | 2020-08-14 | |
| 2020-06-30 | $186,347 | 58,600 | Put | Defined | 2020-08-14 | |
| 2020-06-30 | $48,017 | 15,100 | Call | Defined | 2020-08-14 | |
| 2020-03-31 | $111,678 | 41,671 | Shares | Defined | 2020-05-15 | |
| 2020-03-31 | $77,451 | 28,900 | Put | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||