SUSQUEHANNA INTERNATIONAL GROUP, LLP
Position in CYTK — Cytokinetics Inc
CIK 1446194
BALA CYNWYD, PA
Position in CYTK
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$131,998,327
+$72,748,467 QoQ
Shares Held
1,549,458
+72.4% QoQ
Ownership
1.11%
of shares outstanding
% of Portfolio
0.14%
of 13F equity value
Holder Rank
#22
of 477 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in CYTK Over Time
Shares Held
Position Value (USD)
Derivatives in CYTK
reported options exposure · as of Jun 30, 2026CallValue
$161,060,214
CallShares
1,890,600
PutValue
$24,671,024
PutShares
289,600
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 $1,650,012,247 across 349 Biotechnology names. CYTK ranks #2 (8.0% 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
This page
|
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 CYTK
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $161,060,214 | 1,890,600 | Call | Other | 2026-08-14 | |
| 2026-06-30 | $24,671,024 | 289,600 | Put | Other | 2026-08-14 | |
| 2026-06-30 | $131,998,327 | 1,549,458 | Shares | Other | 2026-08-14 | |
| 2026-03-31 | $21,684,390 | 329,000 | Put | Other | 2026-05-15 | |
| 2026-03-31 | $59,249,860 | 898,951 | Shares | Other | 2026-05-15 | |
| 2026-03-31 | $65,567,268 | 994,800 | Call | Other | 2026-05-15 | |
| 2025-12-31 | $44,516,124 | 700,600 | Put | Other | 2026-02-17 | |
| 2025-12-31 | $90,741,474 | 1,428,100 | Call | Other | 2026-02-17 | |
| 2025-12-31 | $47,884,823 | 753,617 | Shares | Other | 2026-02-17 | |
| 2025-09-30 | $55,938,342 | 1,017,801 | Shares | Other | 2025-11-14 | |
| 2025-09-30 | $23,973,552 | 436,200 | Put | Other | 2025-11-14 | |
| 2025-09-30 | $65,473,848 | 1,191,300 | Call | Other | 2025-11-14 | |
| 2025-06-30 | $23,815,694 | 720,814 | Shares | Other | 2025-08-14 | |
| 2025-06-30 | $7,001,176 | 211,900 | Put | Other | 2025-08-14 | |
| 2025-06-30 | $9,849,224 | 298,100 | Call | Other | 2025-08-14 | |
| 2025-03-31 | $10,778,958 | 268,200 | Put | Other | 2025-05-14 | |
| 2025-03-31 | $21,666,830 | 539,110 | Shares | Other | 2025-05-14 | |
| 2025-03-31 | $10,051,519 | 250,100 | Call | Other | 2025-05-14 | |
| 2024-12-31 | $11,548,320 | 245,500 | Put | Other | 2025-02-14 | |
| 2024-12-31 | $6,544,063 | 139,117 | Shares | Other | 2025-02-14 | |
| 2024-12-31 | $15,847,776 | 336,900 | Call | Other | 2025-02-14 | |
| 2024-09-30 | $18,326,880 | 347,100 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $10,638,618 | 201,489 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $16,922,400 | 320,500 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $8,508,372 | 157,039 | Shares | Defined | 2024-08-15 | |
| 2024-06-30 | $15,701,364 | 289,800 | Put | Defined | 2024-08-15 | |
| 2024-06-30 | $18,166,554 | 335,300 | Call | Defined | 2024-08-15 | |
| 2024-03-31 | $43,250,859 | 616,900 | Call | Defined | 2024-05-07 | |
| 2024-03-31 | $66,303,027 | 945,700 | Put | Defined | 2024-05-07 | |
| 2024-03-31 | $40,416,802 | 576,477 | Shares | Defined | 2024-05-07 | |
| 2023-12-31 | $164,951,193 | 1,975,700 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $53,058,061 | 635,502 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $217,750,269 | 2,608,100 | Call | Defined | 2024-02-14 | |
| 2023-09-30 | $4,848,702 | 164,586 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $4,651,734 | 157,900 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $6,513,606 | 221,100 | Put | Defined | 2023-11-14 | |
| 2023-06-30 | $613,256 | 18,800 | Put | Defined | 2023-08-11 | |
| 2023-06-30 | $3,459,578 | 106,057 | Shares | Defined | 2023-08-11 | |
| 2023-06-30 | $1,092,770 | 33,500 | Call | Defined | 2023-08-11 | |
| 2023-03-31 | $4,825,041 | 137,114 | Shares | Defined | 2023-05-16 | |
| 2023-03-31 | $1,097,928 | 31,200 | Put | Defined | 2023-05-16 | |
| 2023-03-31 | $2,266,236 | 64,400 | Call | Defined | 2023-05-16 | |
| 2022-12-31 | $4,751,534 | 103,700 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $1,507,936 | 32,910 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $2,061,900 | 45,000 | Put | Defined | 2023-02-14 | |
| 2022-09-30 | $6,235,515 | 128,700 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $2,929,819 | 60,471 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $687,990 | 14,200 | Put | Defined | 2022-11-14 | |
| 2022-06-30 | $824,343 | 20,981 | Shares | Defined | 2022-08-15 | |
| 2022-06-30 | $730,794 | 18,600 | Put | Defined | 2022-08-15 | |
| No filing history on record for this holder in this stock. | ||||||