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RTW INVESTMENTS, LP

Position in CYTK — Cytokinetics Inc

CIK 1493215 NEW YORK, NY

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, 2026

RTW 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

All Filings in CYTK

Export CSV
24 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $243,814,035 2,862,003
2026-03-31 $179,351,523 2,721,158
2025-12-31 $172,902,379 2,721,158
2025-09-30 $149,554,843 2,721,158
2025-06-30 $89,907,060 2,721,158
2025-03-31 $109,363,340 2,721,158
2024-12-31 $128,003,272 2,721,158
2024-09-30 $143,677,142 2,721,158
2024-06-30 $147,432,340 2,721,158
2024-03-31 $177,033,358 2,525,080
2023-12-31 $210,818,929 2,525,080
2023-09-30 $75,835,873 2,574,198
2023-06-30 $83,970,338 2,574,198
2023-03-31 $90,586,027 2,574,198
2022-12-31 $117,949,752 2,574,198
2022-09-30 $124,719,893 2,574,198
2022-06-30 $100,628,840 2,561,182
2022-03-31 $94,277,109 2,561,182
2021-12-31 $116,738,675 2,561,182
2021-09-30 $71,480,000 2,000,000
2021-06-30 $39,580,000 2,000,000
2021-03-31 $46,520,000 2,000,000
2020-12-31 $41,560,000 2,000,000
2020-09-30 $43,300,000 2,000,000