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Cytokinetics Inc

CYTK
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001061983

In the last 90 days, Cytokinetics Inc insiders filed 0 open-market purchases and 16 sales; 482 institutions reported holding it in 13F filings for Q2 2026, worth $13.7B in total; no superinvestor holds it.

13F holders, Q4 2023

Institutional positions in Cytokinetics Inc as of Dec 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
347
+98 vs. Q3 2023
Shares held
114.3M
+5.05M (+4.6%) vs. Q3 2023
Total value
$9.54B
+$6.32B (+196.5%) vs. Q3 2023
New holders
121
74 more added
Sold out
23
109 more reduced

2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting CYTK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2023: 347 institutions
Q1 2021: 193 institutionsQ2 2021: 191 institutionsQ3 2021: 211 institutionsQ4 2021: 250 institutionsQ1 2022: 240 institutionsQ2 2022: 263 institutionsQ3 2022: 276 institutionsQ4 2022: 278 institutionsQ1 2023: 263 institutionsQ2 2023: 253 institutionsQ3 2023: 251 institutionsQ4 2023: 347 institutionsQ1 2024: 390 institutionsQ2 2024: 344 institutionsQ3 2024: 348 institutionsQ4 2024: 347 institutionsQ1 2025: 356 institutionsQ2 2025: 312 institutionsQ3 2025: 381 institutionsQ4 2025: 431 institutionsQ1 2026: 441 institutionsQ2 2026: 482 institutions
Value heldQ4 2023: $9.54B
Q1 2021: $1.74BQ2 2021: $1.50BQ3 2021: $3.22BQ4 2021: $4.16BQ1 2022: $3.52BQ2 2022: $4.16BQ3 2022: $5.08BQ4 2022: $4.88BQ1 2023: $3.83BQ2 2023: $3.55BQ3 2023: $3.22BQ4 2023: $9.54BQ1 2024: $8.26BQ2 2024: $7.34BQ3 2024: $7.20BQ4 2024: $6.18BQ1 2025: $5.48BQ2 2025: $4.55BQ3 2025: $7.75BQ4 2025: $8.87BQ1 2026: $9.63BQ2 2026: $13.7B
Institutions holding CYTK and their total value by quarter
QuarterHoldersValue
Q2 2026482$13.7B
Q1 2026441$9.63B
Q4 2025431$8.87B
Q3 2025381$7.75B
Q2 2025312$4.55B
Q1 2025356$5.48B
Q4 2024347$6.18B
Q3 2024348$7.20B
Q2 2024344$7.34B
Q1 2024390$8.26B
Q4 2023347$9.54B
Q3 2023251$3.22B
Q2 2023253$3.55B
Q1 2023263$3.83B
Q4 2022278$4.88B
Q3 2022276$5.08B
Q2 2022263$4.16B
Q1 2022240$3.52B
Q4 2021250$4.16B
Q3 2021211$3.22B
Q2 2021191$1.50B
Q1 2021193$1.74B

Institutions, Q4 2023

Shares, value and share of portfolio for each institution holding Cytokinetics Inc; share changes are against Q3 2023.

Institutions holding CYTK in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Nicholas Investment Partners, LP102,572$8.56M1.00%−839,565−89.1%Reduced
Manufacturers Life Insurance Company, The99,410$8.30M0.00%+32,852+49.4%Added
California State Teachers Retirement System92,322$7.71M0.01%−8,576−8.5%Reduced
ADAR1 Capital Management, LLC92,082$7.69M3.44%+92,082New
Two Sigma Investments, LP91,840$7.67M0.02%−4,823−5.0%Reduced
Jane Street Group, LLC88,581$7.40M0.01%−36,459−29.2%Reduced
Thrivent Financial for Lutherans87,374$7.29M0.02%−445−0.5%Reduced
Cubist Systematic Strategies, LLC86,063$7.19M0.09%+86,063New
Thornburg Investment Management Inc85,199$7.11M0.10%−22,967−21.2%Reduced
Texas Permanent School Fund84,705$7.07M0.06%+4,262+5.3%Added
Two Sigma Advisers, LP83,800$7.00M0.02%−93,100−52.6%Reduced
One Fin Capital Management LP81,138$6.77M2.58%+81,138New
State of New Jersey Common Pension Fund D80,157$6.69M0.02%+9,220+13.0%Added
State of Wisconsin Investment Board74,152$6.19M0.02%−5,553−7.0%Reduced
DekaBank Deutsche Girozentrale75,000$6.13M0.01%+20,000+36.4%Added
Murchinson Ltd.69,439$5.80M1.09%+69,439New
Natixis Advisors, L.P.62,962$5.26M0.01%+19,124+43.6%Added
Seven Eight Capital, LP62,229$5.20M0.60%+62,229New
Ironwood Investment Management LLC61,629$5.15M2.70%−473−0.8%Reduced
Neuberger Berman Group LLC61,223$5.11M0.00%+13,729+28.9%Added
State of Alaska, Department of Revenue60,322$5.04M0.06%+517+0.9%Added
Taconic Capital Advisors LP60,000$5.01M0.48%+60,000New
Cowen and Company, LLC56,828$4.74M0.31%+56,828New
Readystate Asset Management LP56,300$4.70M0.28%+56,300New
Teachers Retirement System of the State of Kentucky54,651$4.56M0.04%−3,155−5.5%Reduced
State of Tennessee, Treasury Department53,821$4.49M0.02%−1,157−2.1%Reduced
Mirae Asset Global Investments Co., Ltd.53,747$4.49M0.01%+2,063+4.0%Added
New York State Common Retirement Fund51,501$4.30M0.01%+6,015+13.2%Added
Atika Capital Management LLC51,000$4.26M0.61%+51,000New
American International Group, Inc.50,900$4.25M0.02%−335−0.7%Reduced
Lisanti Capital Growth, LLC50,480$4.21M0.99%+50,480New
Silphium Asset Management Ltd50,000$4.17M2.22%+50,000New
Vestal Point Capital, LP50,000$4.17M0.44%+50,000New
Louisiana State Employees Retirement System49,100$4.10M0.09%+200+0.4%Added
MetLife Investment Management49,088$4.10M0.03%00.0%Unchanged
Mirador Capital Partners LP48,952$4.09M0.87%−6,676−12.0%Reduced
Yousif Capital Management, LLC48,929$4.09M0.05%−1,494−3.0%Reduced
SEI Investments Co48,535$4.05M0.01%−9,088−15.8%Reduced
Profund Advisors LLC47,749$3.99M0.17%+1,870+4.1%Added
EAM Investors, LLC47,205$3.94M0.71%+47,205New
Virtu Financial LLC46,768$3.90M0.31%+46,768New
Comerica Bank45,839$3.83M0.02%+940+2.1%Added
EAM Global Investors LLC44,612$3.72M0.90%+44,612New
Guggenheim Capital LLC44,222$3.69M0.03%−6,780−13.3%Reduced
Algert Global LLC43,820$3.66M0.15%+28,370+183.6%Added
HRT Financial LP42,917$3.58M0.03%+42,917New
Boothbay Fund Management, LLC42,732$3.57M0.13%+42,732New
Woodline Partners LP42,652$3.56M0.04%+42,652New
Macquarie Group Ltd41,984$3.50M0.00%−5,775−12.1%Reduced
Walleye Trading LLC41,269$3.45M0.05%+41,269New
Amalgamated Bank40,829$3.41M0.03%−1,024−2.4%Reduced
Bayesian Capital Management, LP38,674$3.23M0.34%+38,674New
Shay Capital LLC37,794$3.16M1.23%+37,794New
Walleye Capital LLC37,663$3.14M0.04%+37,663New
Erste Asset Management GmbH37,450$3.12M0.05%+19,000+103.0%Added
Wells Fargo & Company36,834$3.08M0.00%−47,596−56.4%Reduced
Renaissance Technologies LLC35,967$3.00M0.00%+35,967New
Tudor Investment Corp Et Al35,727$2.98M0.04%+35,727New
Maryland State Retirement & Pension System35,637$2.98M0.06%+278+0.8%Added
Exome Asset Management LLC34,908$2.91M2.88%+34,908New
Crestline Management, LP34,887$2.91M0.27%+14,887+74.4%Added
Y-Intercept (Hong Kong) Ltd33,215$2.77M0.26%+33,215New
Susquehanna Portfolio Strategies, LLC33,071$2.76M0.05%+33,071New
EFG Asset Management (North America) Corp.32,218$2.69M0.51%−3,485−9.8%Reduced
Artia Global Partners LP32,113$2.68M1.06%+32,113New
Perceptive Advisors LLC30,317$2.53M0.06%+30,317New
Adage Capital Partners GP, L.L.C.30,000$2.50M0.01%+30,000New
Ikarian Capital, LLC30,000$2.50M0.69%+30,000New
Moody Aldrich Partners LLC29,871$2.49M0.45%−64,577−68.4%Reduced
Skandinaviska Enskilda Banken AB (publ)29,446$2.46M0.01%−21,695−42.4%Reduced
Oregon Public Employees Retirement Fund28,680$2.39M0.04%+120+0.4%Added
AQR Capital Management LLC27,710$2.31M0.00%−1,669−5.7%Reduced
Sanders Morris Harris LLC21,505$2.29M1.13%00.0%Unchanged
State Board of Administration of Florida Retirement System26,576$2.22M0.00%00.0%Unchanged
Chartwell Investment Partners, LLC26,453$2.21M0.08%+2,950+12.6%Added
Gilder Gagnon Howe & Co LLC26,345$2.20M0.03%−188−0.7%Reduced
Jefferies Financial Group Inc.25,208$2.10M0.03%+25,208New
Birchview Capital, LP25,000$2.09M1.63%00.0%Unchanged
Royal Bank of Canada24,452$2.04M0.00%+22,233+1,001.9%Added
Weiss Multi-Strategy Advisers LLC24,286$2.03M0.05%−45,714−65.3%Reduced
Arizona State Retirement System24,152$2.02M0.02%−1,718−6.6%Reduced
StemPoint Capital LP24,111$2.01M0.54%+24,111New
Bardin Hill Management Partners LP24,096$2.01M0.87%+24,096New
ProShare Advisors LLC23,854$1.99M0.01%+3,342+16.3%Added
SG Americas Securities, LLC23,158$1.93M0.02%−1,221−5.0%Reduced
Stifel Financial Corp23,107$1.93M0.00%−458−1.9%Reduced
Apis Capital Advisors, LLC23,000$1.92M2.01%+23,000New
Bridger Management, LLC22,510$1.88M0.72%+22,510New
Simplify Asset Management Inc.21,797$1.82M0.28%+21,797New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys21,159$1.77M0.01%−43,021−67.0%Reduced
Fred Alger Management, LLC20,921$1.75M0.01%+20,921New
Envestnet Asset Management Inc20,757$1.73M0.00%−7,200−25.8%Reduced
Nisa Investment Advisors, LLC20,301$1.69M0.01%+11+0.1%Added
Teacher Retirement System of Texas20,200$1.69M0.01%−5,609−21.7%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)20,137$1.68M0.01%+2,557+14.5%Added
Altium Capital Management LP20,000$1.67M1.15%+20,000New
Handelsbanken Fonder AB19,800$1.65M0.01%+2,400+13.8%Added
Platinum Investment Management Ltd19,138$1.60M0.06%+19,138New
Lighthouse Investment Partners, LLC18,930$1.58M0.12%+18,930New
Bellevue Group AG18,900$1.58M0.02%−18,200−49.1%Reduced