NASDAQ: CYTK
Cytokinetics Inc Stock Ownership - Who owns Cytokinetics?

Insider buying vs selling

Have Cytokinetics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Robert I. BlumCEO;Pres2026-09-287,500$65.46
$490.95kSell
Robert I. BlumCEO;Pres2026-09-287,500$10.60
$79.50kBuy
Fady Ibraham MalikEVP2026-09-223,500$68.29
$239.02kSell
Fady Ibraham MalikEVP2026-09-223,500$7.80
$27.30kBuy
Robert E. LandryDirector2026-09-151,000$72.13
$72.13kSell
Robert I. BlumCEO;Pres2026-09-1597,926$69.33
$6.79MSell
Robert I. BlumCEO;Pres2026-09-147,500$10.60
$79.50kBuy
Robert I. BlumCEO;Pres2026-09-147,500$73.44
$550.80kSell
Robert E. LandryDirector2026-09-111,000$74.66
$74.66kSell
Fady Ibraham MalikEVP2026-09-083,500$7.80
$27.30kBuy

1 of 19

CYTK insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when CYTK insiders and whales buy or sell their stock.

CYTK Shareholders

What type of owners hold Cytokinetics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Michael Schmertzler7.00%9,730,131$638.30MInsider
Eastern Capital Ltd2.07%2,883,845$189.18MInsider
Bvf Partners L P0.33%463,244$30.39MInsider
Robert I. Blum0.21%291,042$19.09MInsider
James A. Spudich0.13%180,600$11.85MInsider
Fady Ibraham Malik0.11%153,902$10.10MInsider
David Cragg0.11%153,233$10.05MInsider
Stephen M. Dow0.10%145,000$9.51MInsider
Jeffrey Hessekiel0.08%107,943$7.08MInsider
Mark A. Schlossberg0.07%103,408$6.78MInsider

1 of 3

CYTK vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CYTK0.12%10.96%Net SellingNet Selling
ARWR0.08%9.73%Net SellingNet Selling
PTGX0.12%22.54%Net SellingNet Buying
KYMR0.12%31.95%Net SellingNet Selling
AXSM0.07%58.03%Net SellingNet Buying

Cytokinetics Stock Ownership FAQ

Who owns Cytokinetics?

Cytokinetics (NASDAQ: CYTK) is owned by 0.12% institutional shareholders, 10.96% Cytokinetics insiders, and 88.93% retail investors. Michael Schmertzler is the largest individual Cytokinetics shareholder, owning 9.73M shares representing 7.00% of the company. Michael Schmertzler's Cytokinetics shares are currently valued at $638.30M.

If you're new to stock investing, here's how to buy Cytokinetics stock.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.