Jane Street
CYTK icon

Jane Street’s Cytokinetics CYTK Stock Holding History

Jane Street’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
Q2 		$518K Sell
6,084
-13
-0.2% -$933 ﹤0.01% 7924
2026
Q1 		$402K Sell
6,097
-278,028
-98% -$17.7M ﹤0.01% 8547
2025
Q4 		$18.1M Buy
+284,125
New +$17.7M ﹤0.01% 1706
2025
Q3 		– Sell
-106,108
Closed -$4.37M – 10910
2025
Q2 		$3.51M Sell
106,108
-649,598
-86% -$22.6M ﹤0.01% 3515
2025
Q1 		$30.4M Buy
755,706
+647,584
+599% +$29.8M 0.01% 983
2024
Q4 		$5.09M Buy
108,122
+22,799
+27% +$1.18M ﹤0.01% 2635
2024
Q3 		$4.51M Sell
85,323
-179,679
-68% -$10M ﹤0.01% 3034
2024
Q2 		$14.4M Sell
265,002
-42,565
-14% -$2.57M ﹤0.01% 1625
2024
Q1 		$21.6M Buy
307,567
+218,986
+247% +$16.9M ﹤0.01% 1130
2023
Q4 		$7.4M Sell
88,581
-36,459
-29% -$1.32M ﹤0.01% 2335
2023
Q3 		$3.68M Sell
125,040
-22,346
-15% -$744K ﹤0.01% 3060
2023
Q2 		$4.81M Buy
147,386
+66,574
+82% +$2.46M ﹤0.01% 2796
2023
Q1 		$2.84M Sell
80,812
-95,292
-54% -$3.89M ﹤0.01% 3231
2022
Q4 		$8.07M Sell
176,104
-182,648
-51% -$7.86M ﹤0.01% 1857
2022
Q3 		$17.4M Buy
358,752
+234,502
+189% +$11.3M 0.01% 1188
2022
Q2 		$4.88M Buy
124,250
+66,491
+115% +$2.68M ﹤0.01% 2685
2022
Q1 		$2.13M Sell
57,759
-4,509
-7% -$160K ﹤0.01% 4648
2021
Q4 		$2.84M Buy
62,268
+51,279
+467% +$1.98M ﹤0.01% 3784
2021
Q3 		$393K Sell
10,989
-3,316
-23% -$97.6K ﹤0.01% 7708
2021
Q2 		$283K Buy
+14,305
New +$336K ﹤0.01% 8247
2021
Q1 		– Sell
-85,340
Closed -$1.82M – 9150
2020
Q4 		$1.77M Buy
85,340
+29,482
+53% +$539K ﹤0.01% 3707
2020
Q3 		$1.21M Buy
55,858
+45,777
+454% +$1.07M ﹤0.01% 3769
2020
Q2 		$238K Buy
+10,081
New +$189K ﹤0.01% 6159
2020
Q1 		– Sell
-57,402
Closed -$732K – 5381
2019
Q4 		$609K Buy
+57,402
New +$590K ﹤0.01% 3443
2014
Q2 		– Sell
-11,856
Closed -$113K – 2628
2014
Q1 		$113K Buy
+11,856
New +$107K ﹤0.01% 2498

Other funds holding CYTK

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $11.1B AUM 207.82% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Jane Street's CYTK Position: Q2 2026 in Review

Jane Street reduced its Cytokinetics (CYTK) stake by 0.21% in Q2 2026, selling an estimated $933 and leaving 6,084 shares worth $518K. The position accounts for ﹤0.01% of the portfolio, ranked #7924.

Jane Street first reported a position in CYTK in Q1 2014 and has held it in 25 quarters since. The position peaked at $30.4M in Q1 2025. 482 funds tracked by Wall St. Rank hold CYTK as of Q2 2026.

  • Jane Street held 6,084 shares of Cytokinetics worth $518K as of Q2 2026.
  • Jane Street sold 13 Cytokinetics shares in Q2 2026, an estimated $933.
  • Cytokinetics made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #7924 holding.
  • Jane Street first reported a position in Cytokinetics in Q1 2014 and has held it in 25 quarters since.
  • Jane Street's Cytokinetics position peaked at $30.4M in Q1 2025.
  • 482 funds tracked by Wall St. Rank held Cytokinetics as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.