Group One Trading
CYTK icon

Group One Trading’s Cytokinetics CYTK Stock Holding History

Group One 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
2026
Q1 		$7.48M Sell
113,500
-5,400
-5% -$343K 0.01% 1026
2025
Q4 		$7.55M Sell
118,900
-197,200
-62% -$12.3M 0.01% 1150
2025
Q3 		$17.4M Buy
316,100
+64,000
+25% +$2.64M 0.03% 562
2025
Q2 		$8.33M Buy
252,100
+38,000
+18% +$1.32M 0.02% 941
2025
Q1 		$8.6M Sell
214,100
-16,000
-7% -$735K 0.03% 716
2024
Q4 		$10.8M Sell
230,100
-61,300
-21% -$3.18M 0.02% 655
2024
Q3 		$15.4M Buy
291,400
+93,700
+47% +$5.22M 0.04% 389
2024
Q2 		$10.7M Sell
197,700
-338,800
-63% -$20.5M 0.04% 413
2024
Q1 		$37.6M Sell
536,500
-451,500
-46% -$34.9M 0.14% 93
2023
Q4 		$82.5M Buy
988,000
+897,600
+993% +$32.5M 0.22% 51
2023
Q3 		$2.66M Sell
90,400
-6,100
-6% -$203K 0.01% 1399
2023
Q2 		$3.15M Buy
96,500
+88,400
+1,091% +$3.27M 0.01% 1327
2023
Q1 		$285K Sell
8,100
-300
-4% -$12.2K ﹤0.01% 3335
2022
Q4 		$385K Buy
8,400
+2,200
+35% +$94.7K ﹤0.01% 3283
2022
Q3 		$300K Buy
6,200
+600
+11% +$28.9K ﹤0.01% 3746
2022
Q2 		$220K Buy
5,600
+1,200
+27% +$48.3K ﹤0.01% 4205
2022
Q1 		$162K Hold
4,400
– – ﹤0.01% 5022
2021
Q4 		$201K Sell
4,400
-10,400
-70% -$401K ﹤0.01% 5078
2021
Q3 		$529K Buy
14,800
+800
+6% +$23.6K ﹤0.01% 4131
2021
Q2 		$277K Sell
14,000
-100
-0.7% -$2.35K ﹤0.01% 4872
2021
Q1 		$328K Sell
14,100
-95,700
-87% -$2.04M ﹤0.01% 4492
2020
Q4 		$2.28M Sell
109,800
-58,800
-35% -$1.07M ﹤0.01% 1934
2020
Q3 		$3.65M Buy
168,600
+126,300
+299% +$2.95M 0.01% 1128
2020
Q2 		$997K Sell
42,300
-62,900
-60% -$1.18M ﹤0.01% 2025
2020
Q1 		$1.24M Buy
105,200
+91,600
+674% +$1.17M 0.01% 1363
2019
Q4 		$144K Buy
+13,600
New +$140K ﹤0.01% 3397
2019
Q3 		– Sell
-16,200
Closed -$182K – 5211
2019
Q2 		$182K Buy
16,200
+9,400
+138% +$90.6K ﹤0.01% 2927
2019
Q1 		$55K Sell
6,800
-16,600
-71% -$122K ﹤0.01% 3512
2018
Q4 		$148K Sell
23,400
-64,000
-73% -$470K ﹤0.01% 2903
2018
Q3 		$861K Buy
87,400
+16,700
+24% +$134K 0.01% 1821
2018
Q2 		$587K Sell
70,700
-13,800
-16% -$115K 0.01% 2168
2018
Q1 		$608K Buy
84,500
+11,100
+15% +$95.2K 0.01% 1907
2017
Q4 		$598K Sell
73,400
-87,500
-54% -$993K ﹤0.01% 2111
2017
Q3 		$2.33M Buy
160,900
+114,700
+248% +$1.57M 0.02% 942
2017
Q2 		$559K Buy
46,200
+23,400
+103% +$325K 0.01% 1899
2017
Q1 		$293K Sell
22,800
-1,000
-4% -$11.7K ﹤0.01% 2249
2016
Q4 		$289K Sell
23,800
-81,000
-77% -$860K ﹤0.01% 2163
2016
Q3 		$962K Buy
104,800
+39,800
+61% +$416K 0.01% 1305
2016
Q2 		$617K Sell
65,000
-14,200
-18% -$117K 0.01% 1583
2016
Q1 		$558K Buy
79,200
+21,700
+38% +$159K 0.01% 1604
2015
Q4 		$601K Buy
57,500
+22,200
+63% +$218K 0.01% 1667
2015
Q3 		$236K Sell
35,300
-43,600
-55% -$298K ﹤0.01% 2385
2015
Q2 		$530K Sell
78,900
-25,300
-24% -$166K 0.01% 1733
2015
Q1 		$706K Sell
104,200
-4,100
-4% -$30.6K 0.01% 1340
2014
Q4 		$867K Sell
108,300
-59,700
-36% -$256K 0.01% 1157
2014
Q3 		$591K Sell
168,000
-281,000
-63% -$1.18M 0.01% 1498
2014
Q2 		$2.15M Buy
449,000
+272,800
+155% +$1.66M 0.03% 647
2014
Q1 		$1.67M Buy
176,200
+134,000
+318% +$1.21M 0.03% 727
2013
Q4 		$274K Buy
+42,200
New +$277K ﹤0.01% 2157

Other funds holding CYTK

T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
ACA
Avoro Capital Advisors New York $10.2B AUM 149.19% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Group One Trading's CYTK Position: Q1 2026 in Review

Group One Trading reduced its Cytokinetics (CYTK) stake by 11% in Q1 2026, selling an estimated $2.75M and leaving 363,997 shares worth $24M. The position accounts for 0.05% of the portfolio, ranked #405.

Group One Trading first reported a position in CYTK in Q4 2013 and has held it in 36 quarters since. The position peaked at $25.9M in Q4 2025. 439 funds tracked by Wall St. Rank hold CYTK as of Q1 2026.

  • Group One Trading held 363,997 shares of Cytokinetics worth $24M as of Q1 2026.
  • Group One Trading sold 43,256 Cytokinetics shares in Q1 2026, an estimated $2.75M.
  • Cytokinetics made up 0.05% of Group One Trading's portfolio in Q1 2026, its #405 holding.
  • Group One Trading first reported a position in Cytokinetics in Q4 2013 and has held it in 36 quarters since.
  • Group One Trading's Cytokinetics position peaked at $25.9M in Q4 2025.
  • 439 funds tracked by Wall St. Rank held Cytokinetics as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.