SEC 13F Intelligence

Rtw Investments, LP / CYTK

Rtw Investments, LP’s Cytokinetics Inc Position

Does Rtw Investments, LP own Cytokinetics Inc (CYTK)? Yes — 2.72M shares worth $179M (+1.78% of its 13F portfolio) as of Q1 2026.

Position Value
$179M
Q1 2026
Shares
2.72M
% of Portfolio
+1.78%
Quarters Held
23
currently held

Position History CYTK

Reported value by quarter
Q3 ’20: $41MQ3 ’20Q4 ’20: $41MQ1 ’21: $47MQ2 ’21: $40MQ2 ’21Q3 ’21: $71MQ4 ’21: $117MQ1 ’22: $94MQ1 ’22Q2 ’22: $101MQ3 ’22: $125MQ4 ’22: $118MQ4 ’22Q1 ’23: $91MQ2 ’23: $84MQ3 ’23: $76MQ3 ’23Q4 ’23: $211MQ1 ’24: $177MQ2 ’24: $147MQ2 ’24Q3 ’24: $144MQ4 ’24: $128MQ1 ’25: $109MQ1 ’25Q2 ’25: $90MQ3 ’25: $150MQ4 ’25: $173MQ4 ’25Q1 ’26: $179Mfilingsflow.com
QuarterSharesValue% of Portfolio
Q1 20262.72M$179M+1.78%
Q4 20252.72M$173M+1.73%
Q3 20252.72M$150M+1.84%
Q2 20252.72M$90M+1.28%
Q1 20252.72M$109M+1.67%
Q4 20242.72M$128M+1.94%
Q3 20242.72M$144M+2.08%
Q2 20242.72M$147M+2.28%
Q1 20242.53M$177M+2.61%
Q4 20232.53M$211M+3.29%
Q3 20232.57M$76M+1.60%
Q2 20232.57M$84M+1.60%
Q1 20232.57M$91M+1.89%
Q4 20222.57M$118M+2.41%
Q3 20222.57M$125M+2.88%
Q2 20222.56M$101M+2.60%
Q1 20222.56M$94M+1.95%
Q4 20212.56M$117M+1.70%
Q3 20212.00M$71M+1.08%
Q2 20212.00M$40M+0.60%
Q1 20212.00M$47M+0.73%
Q4 20202.00M$41M+0.69%
Q3 20202.00M$41M+0.98%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Rtw Investments, LP’s full portfolio or all institutional holders of CYTK.