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 Q1	–	Sell	-95,500	Closed	-$3.34M	–	750
2024 Q4	$3.34M	Hold	95,500	–	–	0.29%	57
2024 Q3	$3.15M	Buy	95,500 +35,000	+58%	+$1.95M	0.36%	54
2024 Q2	$2.78M	Sell	60,500 -801,800	-93%	-$48.4M	0.33%	57
2024 Q1	$7.83M	Buy	862,300 +712,300	+475%	+$55.1M	0.9%	24
2023 Q4	$2.76K	Buy	150,000 +73,900	+97%	+$2.68M	﹤0.01%	827
2023 Q3	$263K	Buy	+76,100	New	+$2.53M	0.04%	274
2021 Q3	–	Sell	-15,400	Closed	-$107K	–	2488
2021 Q2	$107K	Buy	+15,400	New	+$362K	﹤0.01%	1199
2021 Q1	–	Sell	-39,700	Closed	-$170K	–	2013
2020 Q4	$170K	Sell	39,700 -73,600	-65%	-$1.35M	﹤0.01%	1002
2020 Q3	$306K	Buy	+113,300	New	+$2.65M	0.02%	519
2020 Q2	–	Sell	-11,600	Closed	-$18K	–	1724
2020 Q1	$18K	Buy	+11,600	New	+$148K	﹤0.01%	942
2014 Q2	–	Sell	-205,000	Closed	-$343K	–	977
2014 Q1	$343K	Buy	+205,000	New	+$1.85M	0.02%	522

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.