Jane Street
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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
Q1 		$2.55M Sell
38,700
-14,800
-28% -$941K ﹤0.01% 4638
2025
Q4 		$3.4M Sell
53,500
-54,900
-51% -$3.42M ﹤0.01% 3840
2025
Q3 		$5.96M Buy
108,400
+78,800
+266% +$3.25M ﹤0.01% 3170
2025
Q2 		$978K Sell
29,600
-63,500
-68% -$2.21M ﹤0.01% 5661
2025
Q1 		$3.74M Buy
93,100
+33,000
+55% +$1.52M ﹤0.01% 3362
2024
Q4 		$2.83M Sell
60,100
-76,500
-56% -$3.97M ﹤0.01% 3552
2024
Q3 		$7.21M Buy
136,600
+51,900
+61% +$2.89M ﹤0.01% 2311
2024
Q2 		$4.59M Sell
84,700
-72,100
-46% -$4.35M ﹤0.01% 3096
2024
Q1 		$11M Sell
156,800
-153,900
-50% -$11.9M ﹤0.01% 1729
2023
Q4 		$25.9M Sell
310,700
-21,900
-7% -$793K 0.01% 1066
2023
Q3 		$9.8M Buy
332,600
+302,900
+1,020% +$10.1M ﹤0.01% 1798
2023
Q2 		$969K Buy
29,700
+1,900
+7% +$70.3K ﹤0.01% 5235
2023
Q1 		$978K Buy
+27,800
New +$1.13M ﹤0.01% 5032
2022
Q4 		– Sell
-64,100
Closed -$3.11M – 9289
2022
Q3 		$3.11M Buy
64,100
+47,200
+279% +$2.27M ﹤0.01% 3391
2022
Q2 		$664K Sell
16,900
-48,800
-74% -$1.96M ﹤0.01% 6229
2022
Q1 		$2.42M Buy
65,700
+32,100
+96% +$1.14M ﹤0.01% 4376
2021
Q4 		$1.53M Buy
33,600
+11,400
+51% +$440K ﹤0.01% 5031
2021
Q3 		$793K Buy
+22,200
New +$654K ﹤0.01% 6380
2021
Q1 		– Sell
-42,000
Closed -$873K – 9151
2020
Q4 		$873K Buy
42,000
+25,300
+151% +$462K ﹤0.01% 4879
2020
Q3 		$362K Buy
16,700
+6,000
+56% +$140K ﹤0.01% 5618
2020
Q2 		$252K Buy
+10,700
New +$201K ﹤0.01% 6089

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

Jane Street's CYTK Position: Q1 2026 in Review

Jane Street reduced its Cytokinetics (CYTK) stake by 98% in Q1 2026, selling an estimated $17.7M and leaving 6,097 shares worth $402K. The position accounts for ﹤0.01% of the portfolio, ranked #8547.

Jane Street first reported a position in CYTK in Q1 2014 and has held it in 24 quarters since. The position peaked at $30.4M in Q1 2025. 439 funds tracked by Wall St. Rank hold CYTK as of Q1 2026.

  • Jane Street held 6,097 shares of Cytokinetics worth $402K as of Q1 2026.
  • Jane Street sold 278,028 Cytokinetics shares in Q1 2026, an estimated $17.7M.
  • Cytokinetics made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #8547 holding.
  • Jane Street first reported a position in Cytokinetics in Q1 2014 and has held it in 24 quarters since.
  • Jane Street's Cytokinetics position peaked at $30.4M in Q1 2025.
  • 439 funds tracked by Wall St. Rank held Cytokinetics as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.