SUSQUEHANNA INTERNATIONAL GROUP, LLP
Position in PHAT — Phathom Pharmaceuticals, Inc.
CIK 1446194
BALA CYNWYD, PA
Position in PHAT
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$1,032,996
-$8,077,750 QoQ
Shares Held
92,979
-83.1% QoQ
Ownership
0.117%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2020
20 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in PHAT Over Time
Shares Held
Position Value (USD)
Derivatives in PHAT
reported options exposure · as of Mar 31, 2026CallValue
$3,597,418
CallShares
323,800
PutValue
$458,843
PutShares
41,300
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, 2026SUSQUEHANNA INTERNATIONAL GROUP, LLP holds $1,162,367,415 across 355 Biotechnology names. PHAT ranks #165 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CYTK |
Cytokinetics Inc
|
898,951 | $59,249,860 | |
| 2 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
174,268 | $57,660,053 | |
| 3 | AGIO |
Agios Pharmaceuticals, Inc.
|
1,344,953 | $45,499,759 | |
| 4 | ABVX |
Abivax S.A.
|
381,282 | $42,455,750 | |
| 5 | BBIO |
BridgeBio Pharma, Inc.
|
398,943 | $29,625,507 | |
| 6 | INSM |
INSMED Inc
|
173,630 | $28,391,977 | |
| 7 | CRSP |
CRISPR Therapeutics AG
|
593,406 | $28,228,323 | |
| 8 | TERN |
Terns Pharmaceuticals, Inc.
|
521,571 | $27,497,223 |
All Filings in PHAT
Export CSV
45 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $458,843 | 41,300 | Put | Other | 2026-05-15 | |
| 2026-03-31 | $3,597,418 | 323,800 | Call | Other | 2026-05-15 | |
| 2026-03-31 | $1,032,996 | 92,979 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $5,268,984 | 317,600 | Call | Other | 2026-02-17 | |
| 2025-12-31 | $9,110,746 | 549,171 | Shares | Other | 2026-02-17 | |
| 2025-12-31 | $313,551 | 18,900 | Put | Other | 2026-02-17 | |
| 2025-09-30 | $234,223 | 19,900 | Put | Other | 2025-11-14 | |
| 2025-09-30 | $1,815,840 | 154,277 | Shares | Other | 2025-11-14 | |
| 2025-09-30 | $650,881 | 55,300 | Call | Other | 2025-11-14 | |
| 2025-06-30 | $1,287,054 | 134,208 | Shares | Other | 2025-08-14 | |
| 2025-06-30 | $5,321,491 | 554,900 | Call | Other | 2025-08-14 | |
| 2025-06-30 | $3,880,114 | 404,600 | Put | Other | 2025-08-14 | |
| 2025-03-31 | $189,981 | 30,300 | Call | Other | 2025-05-14 | |
| 2025-03-31 | $117,876 | 18,800 | Put | Other | 2025-05-14 | |
| 2025-03-31 | $1,010,335 | 161,138 | Shares | Other | 2025-05-14 | |
| 2024-12-31 | $1,911,480 | 235,404 | Shares | Other | 2025-02-14 | |
| 2024-12-31 | $210,308 | 25,900 | Call | Other | 2025-02-14 | |
| 2024-12-31 | $2,090,088 | 257,400 | Put | Other | 2025-02-14 | |
| 2024-09-30 | $330,864 | 18,300 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $3,230,353 | 178,670 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $412,224 | 22,800 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $4,767,870 | 462,900 | Call | Defined | 2024-08-15 | |
| 2024-06-30 | $311,060 | 30,200 | Put | Defined | 2024-08-15 | |
| 2024-03-31 | $527,814 | 49,700 | Put | Defined | 2024-05-07 | |
| 2024-03-31 | $149,742 | 14,100 | Call | Defined | 2024-05-07 | |
| 2024-03-31 | $631,220 | 59,437 | Shares | Defined | 2024-05-07 | |
| 2023-12-31 | $477,617 | 52,313 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $116,864 | 12,800 | Call | Defined | 2024-02-14 | |
| 2023-09-30 | $842,044 | 81,200 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $271,694 | 26,200 | Put | Defined | 2023-11-14 | |
| 2023-06-30 | $486,880 | 34,000 | Put | Defined | 2023-08-11 | |
| 2023-06-30 | $2,182,368 | 152,400 | Call | Defined | 2023-08-11 | |
| 2023-06-30 | $908,002 | 63,408 | Shares | Defined | 2023-08-11 | |
| 2023-03-31 | $1,045,410 | 146,416 | Shares | Defined | 2023-05-16 | |
| 2023-03-31 | $1,368,738 | 191,700 | Call | Defined | 2023-05-16 | |
| 2022-12-31 | $298,081 | 26,567 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $264,800 | 23,899 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $843,188 | 76,100 | Call | Defined | 2022-11-14 | |
| 2022-06-30 | $637,220 | 75,500 | Call | Defined | 2022-08-15 | |
| 2022-03-31 | $474,989 | 34,900 | Call | Defined | 2022-05-16 | |
| 2021-06-30 | $338,500 | 10,000 | Call | Defined | 2021-08-11 | |
| 2021-03-31 | $995,527 | 26,505 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $488,334 | 14,700 | Put | Defined | 2021-03-26 | |
| 2020-12-31 | $358,776 | 10,800 | Call | Defined | 2021-03-26 | |
| 2020-12-31 | $805,883 | 24,259 | Shares | Defined | 2021-03-26 | |
| No filing history on record for this holder in this stock. | ||||||