SUSQUEHANNA INTERNATIONAL GROUP, LLP
Position in NAUT — Nautilus Biotechnology, Inc.
CIK 1446194
BALA CYNWYD, PA
Position in NAUT
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$1,666,074
+$1,666,074 QoQ
Shares Held
890,949
Ownership
0.701%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#11
of 93 holders
Holding Since
Mar 2021
18 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in NAUT Over Time
Shares Held
Position Value (USD)
Derivatives in NAUT
reported options exposure · as of Mar 31, 2026CallValue
$190,896
CallShares
49,200
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 Jun 30, 2026SUSQUEHANNA INTERNATIONAL GROUP, LLP holds $1,649,997,309 across 349 Biotechnology names. NAUT ranks #92 (0.1% 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 NAUT
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,666,074 | 890,949 | Shares | Other | 2026-08-14 | |
| 2026-03-31 | $190,896 | 49,200 | Call | Other | 2026-05-15 | |
| 2025-12-31 | $83,686 | 42,916 | Shares | Other | 2026-02-17 | |
| 2025-06-30 | $106,935 | 147,497 | Shares | Other | 2025-08-14 | |
| 2025-03-31 | $57,939 | 67,293 | Shares | Other | 2025-05-14 | |
| 2024-12-31 | $65,526 | 39,004 | Shares | Other | 2025-02-14 | |
| 2023-12-31 | $64,912 | 21,710 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $37,920 | 12,000 | Call | Defined | 2023-11-14 | |
| 2023-06-30 | $164,262 | 42,445 | Shares | Defined | 2023-08-11 | |
| 2023-03-31 | $269,703 | 97,366 | Shares | Defined | 2023-05-16 | |
| 2023-03-31 | $258,995 | 93,500 | Put | Defined | 2023-05-16 | |
| 2022-12-31 | $42,872 | 23,818 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $78,800 | 37,170 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $334,143 | 124,217 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $69,440 | 16,000 | Put | Defined | 2022-05-16 | |
| 2022-03-31 | $779,442 | 179,595 | Shares | Defined | 2022-05-16 | |
| 2022-03-31 | $66,402 | 15,300 | Call | Defined | 2022-05-16 | |
| 2021-12-31 | $173,012 | 33,400 | Put | Defined | 2022-04-05 | |
| 2021-12-31 | $819,745 | 158,252 | Shares | Defined | 2022-04-05 | |
| 2021-12-31 | $130,536 | 25,200 | Call | Defined | 2022-04-05 | |
| 2021-09-30 | $184,814 | 30,100 | Put | Defined | 2021-11-15 | |
| 2021-09-30 | $1,313,008 | 213,845 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $249,470 | 24,700 | Put | Defined | 2021-08-11 | |
| 2021-06-30 | $268,013 | 26,536 | Shares | Defined | 2021-08-11 | |
| 2021-03-31 ARYA | — | 17,800 | Call | Defined | 2021-05-17 | |
| No filing history on record for this holder in this stock. | ||||||