Position in CYTK
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$518,295
+$116,443 QoQ
Shares Held
6,084
-0.2% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#304
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
$59,633,000
CallShares
700,000
PutValue
$12,735,905
PutShares
149,500
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, 2026JANE STREET GROUP, LLC holds $1,363,916,985 across 292 Biotechnology names. CYTK ranks #113 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BBIO |
BridgeBio Pharma, Inc.
|
2,934,193 | $218,538,693 | |
| 2 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
191,541 | $102,847,939 | |
| 3 | AXSM |
Axsome Therapeutics, Inc.
|
403,995 | $98,885,855 | |
| 4 | TGTX |
Tg Therapeutics, Inc.
|
1,752,646 | $96,290,370 | |
| 5 | EXEL |
Exelixis, Inc.
|
1,402,438 | $76,306,651 | |
| 6 | QURE |
uniQure N.V.
|
1,610,483 | $74,178,846 | |
| 7 | HALO |
Halozyme Therapeutics, Inc.
|
694,684 | $54,372,915 | |
| 8 | TVTX |
Travere Therapeutics, Inc.
|
938,699 | $53,327,489 |
All Filings in CYTK
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $12,735,905 | 149,500 | Put | Defined | 2026-08-14 | |
| 2026-06-30 | $518,295 | 6,084 | Shares | Defined | 2026-08-14 | |
| 2026-06-30 | $59,633,000 | 700,000 | Call | Defined | 2026-08-14 | |
| 2026-03-31 | $18,257,070 | 277,000 | Call | Defined | 2026-05-12 | |
| 2026-03-31 | $2,550,717 | 38,700 | Put | Defined | 2026-05-12 | |
| 2026-03-31 | $401,852 | 6,097 | Shares | Defined | 2026-05-12 | |
| 2025-12-31 | $18,053,302 | 284,125 | Shares | Defined | 2026-02-12 | |
| 2025-12-31 | $3,399,390 | 53,500 | Put | Defined | 2026-02-12 | |
| 2025-12-31 | $53,405,370 | 840,500 | Call | Defined | 2026-02-12 | |
| 2025-09-30 | $33,047,448 | 601,300 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $5,957,664 | 108,400 | Put | Defined | 2025-11-14 | |
| 2025-06-30 | $977,984 | 29,600 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $3,505,808 | 106,108 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $17,065,160 | 516,500 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $6,631,350 | 165,000 | Call | Defined | 2025-05-19 | |
| 2025-03-31 | $3,741,689 | 93,100 | Put | Defined | 2025-05-19 | |
| 2025-03-31 | $30,371,823 | 755,706 | Shares | Defined | 2025-05-19 | |
| 2024-12-31 | $4,548,768 | 96,700 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $5,086,058 | 108,122 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $2,827,104 | 60,100 | Put | Defined | 2025-02-14 | |
| 2024-09-30 | $8,257,920 | 156,400 | Call | Defined | 2024-11-15 | |
| 2024-09-30 | $4,505,053 | 85,323 | Shares | Defined | 2024-11-15 | |
| 2024-09-30 | $7,212,480 | 136,600 | Put | Defined | 2024-11-15 | |
| 2024-06-30 | $14,357,807 | 265,002 | Shares | Defined | 2024-08-15 | |
| 2024-03-31 | $21,563,521 | 307,567 | Shares | Defined | 2024-05-16 | |
| 2023-12-31 | $7,395,626 | 88,581 | Shares | Defined | 2024-02-15 | |
| 2023-09-30 | $3,683,678 | 125,040 | Shares | Defined | 2023-11-15 | |
| 2023-06-30 | $4,807,730 | 147,386 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $2,843,774 | 80,812 | Shares | Defined | 2023-05-16 | |
| 2022-12-31 | $8,069,084 | 176,104 | Shares | Defined | 2023-02-15 | |
| 2022-09-30 | $17,381,533 | 358,752 | Shares | Defined | 2022-11-15 | |
| 2022-06-30 | $4,881,782 | 124,250 | Shares | Defined | 2022-08-16 | |
| 2022-03-31 | $3,165,660 | 86,000 | Call | Defined | 2022-05-17 | |
| 2022-03-31 | $2,126,107 | 57,759 | Shares | Defined | 2022-05-17 | |
| 2022-03-31 | $2,418,417 | 65,700 | Put | Defined | 2022-05-17 | |
| 2021-12-31 | $2,838,174 | 62,268 | Shares | Defined | 2022-02-15 | |
| 2021-12-31 | $1,649,996 | 36,200 | Call | Defined | 2022-02-15 | |
| 2021-12-31 | $1,531,488 | 33,600 | Put | Defined | 2022-02-15 | |
| 2021-09-30 | $793,428 | 22,200 | Put | Defined | 2021-11-16 | |
| 2021-09-30 | $392,746 | 10,989 | Shares | Defined | 2021-11-16 | |
| 2021-09-30 | $4,717,680 | 132,000 | Call | Defined | 2021-11-16 | |
| 2021-06-30 | $283,095 | 14,305 | Shares | Defined | 2021-08-16 | |
| 2021-06-30 | $892,529 | 45,100 | Call | Defined | 2021-08-16 | |
| 2021-03-31 | $1,546,790 | 66,500 | Call | Defined | 2021-05-18 | |
| 2020-12-31 | $1,773,364 | 85,340 | Shares | Defined | 2021-02-17 | |
| 2020-12-31 | $872,760 | 42,000 | Put | Defined | 2021-02-17 | |
| 2020-12-31 | $1,267,580 | 61,000 | Call | Defined | 2021-02-17 | |
| 2020-09-30 | $361,555 | 16,700 | Put | Defined | 2020-11-17 | |
| 2020-09-30 | $1,209,324 | 55,858 | Shares | Defined | 2020-11-17 | |
| 2020-09-30 | $285,780 | 13,200 | Call | Defined | 2020-11-17 | |
| No filing history on record for this holder in this stock. | ||||||