HAP Trading’s Cytokinetics CYTK Stock Holding History

HAP Trading’s Portfolio CYTK Stock Details CYTK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	$1.03M	Buy	+18,760	New	+$773K	0.07%	173
2024 Q2	–	Sell	-395,529	Closed	-$23.9M	–	710
2024 Q1	$27.7M	Buy	+395,529	New	+$30.6M	3.18%	6
2023 Q4	–	Sell	-14,913	Closed	-$540K	–	1001
2023 Q3	$439K	Buy	+14,913	New	+$497K	0.07%	213
2021 Q1	–	Sell	-19,404	Closed	-$403K	–	2012
2020 Q4	$403K	Buy	+19,404	New	+$355K	0.01%	700
2014 Q2	–	Sell	-185,100	Closed	-$1.76M	–	976
2014 Q1	$1.76M	Buy	+185,100	New	+$1.67M	0.08%	201

Other funds holding CYTK

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

DTC

Deep Track Capital Greenwich, Connecticut $6.12B AUM 144% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

PCH

Polar Capital Holdings London, United Kingdom $28.2B AUM 115.26% 1-Year Est. Return

HAP Trading's CYTK Position: Q3 2025 in Review

HAP Trading opened a new position in Cytokinetics (CYTK) in Q3 2025: 18,760 shares worth $1.03M. The stake represents 0.07% of the portfolio and ranks #173 among its holdings. This is a return to the name: HAP Trading previously reported a position in CYTK as recently as Q1 2024.

HAP Trading first reported a position in CYTK in Q1 2014 and has held it in 5 quarters since. The position peaked at $27.7M in Q1 2024. 380 funds tracked by Wall St. Rank hold CYTK as of Q3 2025.

HAP Trading held 18,760 shares of Cytokinetics worth $1.03M as of Q3 2025.
Cytokinetics was a new HAP Trading position in Q3 2025.
Cytokinetics made up 0.07% of HAP Trading's portfolio in Q3 2025, its #173 holding.
HAP Trading first reported a position in Cytokinetics in Q1 2014 and has held it in 5 quarters since.
HAP Trading's Cytokinetics position peaked at $27.7M in Q1 2024.
380 funds tracked by Wall St. Rank held Cytokinetics as of Q3 2025.

Based on HAP Trading's 13F filing for Q3 2025, filed 12 Nov 2025.