CYTOKINETICS INC — institutional ownership

4 funds reported holding CYTOKINETICS INC in their latest 13F filings, worth $88.1M in total (CUSIP 23282W905).

Largest holders

1. GROUP ONE TRADING LLC — $64.0M
2. IMC-Chicago, LLC — $12.5M
3. SIMPLEX TRADING, LLC — $8.50M
4. JPMORGAN CHASE & CO (JPM, AMJB, VYLD, JPM-PC, JPM-PD, JPM-PJ, JPM-PK, JPM-PL, JPM-PM) — $3.05M