Position in CYTK
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$2,555,700
-$45,767 QoQ
Shares Held
30,000
-24.0% QoQ
Ownership
0.022%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#205
of 477 holders
Holding Since
Mar 2020
14 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 Mar 31, 2026CallValue
$0
CallShares
0
PutValue
$10,611,510
PutShares
161,000
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, 2026Hudson Bay Capital Management LP holds $565,820,903 across 77 Biotechnology names. CYTK ranks #33 (0.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
390,440 | $193,943,261 | |
| 2 | BMRN |
Biomarin Pharmaceutical Inc
|
825,002 | $47,206,614 | |
| 3 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
148,720 | $44,769,181 | |
| 4 | BNTX |
BioNTech SE
|
260,000 | $24,193,000 | |
| 5 | IMCR |
Immunocore Holdings plc
|
590,000 | $18,732,500 | |
| 6 | TECH |
BIO-TECHNE Corp
|
200,000 | $14,130,000 | |
| 7 | VIR |
Vir Biotechnology, Inc.
|
1,364,000 | $13,899,160 | |
| 8 | PTCT |
Ptc Therapeutics, Inc.
|
159,778 | $13,033,091 |
All Filings in CYTK
Export CSV
15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $2,555,700 | 30,000 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $10,611,510 | 161,000 | Put | Sole | 2026-05-13 | |
| 2026-03-31 | $2,601,467 | 39,470 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $11,141,739 | 175,350 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $10,009,919 | 182,131 | Shares | Sole | 2025-12-15 | |
| 2025-06-30 | $5,213,249 | 157,786 | Shares | Sole | 2025-08-18 | |
| 2025-03-31 | $5,918,499 | 147,263 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $6,645,293 | 141,269 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $3,564,000 | 67,500 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $1,625,400 | 30,000 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $17,356,852 | 247,566 | Shares | Sole | 2024-05-15 | |
| 2023-09-30 | $2,356,800 | 80,000 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $652,400 | 20,000 | Shares | Sole | 2023-08-14 | |
| 2020-06-30 | $1,178,500 | 50,000 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $2,063,250 | 175,000 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||