Position in CYTK
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$243,814,035
+$64,462,512 QoQ
Shares Held
2,862,003
+5.2% QoQ
Ownership
2.06%
of shares outstanding
% of Portfolio
2.08%
of 13F equity value
Holder Rank
#11
of 477 holders
Holding Since
Sep 2020
24 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in CYTK Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026RTW INVESTMENTS, LP holds $9,530,420,260 across 63 Biotechnology names. CYTK ranks #13 (2.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
1,993,687 | $1,070,510,234 | |
| 2 | ARGX |
Argenx SE
|
709,446 | $658,202,715 | |
| 3 | PTCT |
Ptc Therapeutics, Inc.
|
7,746,415 | $631,875,071 | |
| 4 | PTGX |
Protagonist Therapeutics, Inc
|
5,061,175 | $620,398,831 | |
| 5 | CGON |
CG Oncology, Inc.
|
8,514,590 | $604,961,619 | |
| 6 | INSM |
INSMED Inc
|
4,842,880 | $516,347,865 | |
| 7 | TNGX |
Tango Therapeutics, Inc.
|
13,900,620 | $434,533,381 | |
| 8 | SYRE |
Spyre Therapeutics, Inc.
|
4,251,996 | $377,492,204 |
All Filings in CYTK
Export CSV
24 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $243,814,035 | 2,862,003 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $179,351,523 | 2,721,158 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $172,902,379 | 2,721,158 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $149,554,843 | 2,721,158 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $89,907,060 | 2,721,158 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $109,363,340 | 2,721,158 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $128,003,272 | 2,721,158 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $143,677,142 | 2,721,158 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $147,432,340 | 2,721,158 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $177,033,358 | 2,525,080 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $210,818,929 | 2,525,080 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $75,835,873 | 2,574,198 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $83,970,338 | 2,574,198 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $90,586,027 | 2,574,198 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $117,949,752 | 2,574,198 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $124,719,893 | 2,574,198 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $100,628,840 | 2,561,182 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $94,277,109 | 2,561,182 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $116,738,675 | 2,561,182 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $71,480,000 | 2,000,000 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $39,580,000 | 2,000,000 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $46,520,000 | 2,000,000 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $41,560,000 | 2,000,000 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $43,300,000 | 2,000,000 | Shares | Sole | 2020-11-16 | |
| No filing history on record for this holder in this stock. | ||||||