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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
Boothbay Fund Management, LLC42,732$3.57M0.13%+42,732New
HRT Financial LP42,917$3.58M0.03%+42,917New
Algert Global LLC43,820$3.66M0.15%+28,370+183.6%Added
Guggenheim Capital LLC44,222$3.69M0.03%−6,780−13.3%Reduced
EAM Global Investors LLC44,612$3.72M0.90%+44,612New
Comerica Bank45,839$3.83M0.02%+940+2.1%Added
Virtu Financial LLC46,768$3.90M0.31%+46,768New
EAM Investors, LLC47,205$3.94M0.71%+47,205New
Profund Advisors LLC47,749$3.99M0.17%+1,870+4.1%Added
SEI Investments Co48,535$4.05M0.01%−9,088−15.8%Reduced
Yousif Capital Management, LLC48,929$4.09M0.05%−1,494−3.0%Reduced
Mirador Capital Partners LP48,952$4.09M0.87%−6,676−12.0%Reduced
MetLife Investment Management49,088$4.10M0.03%00.0%Unchanged
Louisiana State Employees Retirement System49,100$4.10M0.09%+200+0.4%Added
Silphium Asset Management Ltd50,000$4.17M2.22%+50,000New
Vestal Point Capital, LP50,000$4.17M0.44%+50,000New
Lisanti Capital Growth, LLC50,480$4.21M0.99%+50,480New
American International Group, Inc.50,900$4.25M0.02%−335−0.7%Reduced
Atika Capital Management LLC51,000$4.26M0.61%+51,000New
New York State Common Retirement Fund51,501$4.30M0.01%+6,015+13.2%Added
Mirae Asset Global Investments Co., Ltd.53,747$4.49M0.01%+2,063+4.0%Added
State of Tennessee, Treasury Department53,821$4.49M0.02%−1,157−2.1%Reduced
Teachers Retirement System of the State of Kentucky54,651$4.56M0.04%−3,155−5.5%Reduced
Readystate Asset Management LP56,300$4.70M0.28%+56,300New
Cowen and Company, LLC56,828$4.74M0.31%+56,828New
Taconic Capital Advisors LP60,000$5.01M0.48%+60,000New
State of Alaska, Department of Revenue60,322$5.04M0.06%+517+0.9%Added
Neuberger Berman Group LLC61,223$5.11M0.00%+13,729+28.9%Added
Ironwood Investment Management LLC61,629$5.15M2.70%−473−0.8%Reduced
Seven Eight Capital, LP62,229$5.20M0.60%+62,229New
Natixis Advisors, L.P.62,962$5.26M0.01%+19,124+43.6%Added
Murchinson Ltd.69,439$5.80M1.09%+69,439New
DekaBank Deutsche Girozentrale75,000$6.13M0.01%+20,000+36.4%Added
State of Wisconsin Investment Board74,152$6.19M0.02%−5,553−7.0%Reduced
State of New Jersey Common Pension Fund D80,157$6.69M0.02%+9,220+13.0%Added
One Fin Capital Management LP81,138$6.77M2.58%+81,138New
Two Sigma Advisers, LP83,800$7.00M0.02%−93,100−52.6%Reduced
Texas Permanent School Fund84,705$7.07M0.06%+4,262+5.3%Added
Thornburg Investment Management Inc85,199$7.11M0.10%−22,967−21.2%Reduced
Cubist Systematic Strategies, LLC86,063$7.19M0.09%+86,063New
Thrivent Financial for Lutherans87,374$7.29M0.02%−445−0.5%Reduced
Jane Street Group, LLC88,581$7.40M0.01%−36,459−29.2%Reduced
Two Sigma Investments, LP91,840$7.67M0.02%−4,823−5.0%Reduced
ADAR1 Capital Management, LLC92,082$7.69M3.44%+92,082New
California State Teachers Retirement System92,322$7.71M0.01%−8,576−8.5%Reduced
Manufacturers Life Insurance Company, The99,410$8.30M0.00%+32,852+49.4%Added
Nicholas Investment Partners, LP102,572$8.56M1.00%−839,565−89.1%Reduced
Great West Life Assurance Co105,192$8.76M0.02%+5,213+5.2%Added
Credit Suisse AG107,371$8.96M0.01%−5,161−4.6%Reduced
Trexquant Investment LP109,810$9.17M0.21%+88,342+411.5%Added
Tang Capital Management LLC110,000$9.18M0.85%+110,000New
Nantahala Capital Management, LLC110,017$9.19M0.92%−69,240−38.6%Reduced
Schroder Investment Management Group111,147$9.28M0.01%+111,147New
Prudential Financial Inc111,666$9.32M0.01%−1,752−1.5%Reduced
Palo Alto Investors LP111,717$9.33M0.84%00.0%Unchanged
Octagon Capital Advisors LP116,000$9.68M1.55%+116,000New
UBS Asset Management Americas Inc116,565$9.73M0.00%−4,279−3.5%Reduced
GTS Securities LLC116,901$9.76M0.21%+109,713+1,526.3%Added
AXA S.A.120,077$10.0M0.03%+120,077New
Alliancebernstein L.P.122,247$10.2M0.00%−7,947−6.1%Reduced
Standard Life Aberdeen plc130,260$10.9M0.02%+130,260New
Connor, Clark & Lunn Investment Management Ltd.130,472$10.9M0.05%−37,505−22.3%Reduced
Peregrine Capital Management LLC131,514$11.0M0.33%−73,150−35.7%Reduced
New York State Teachers Retirement System131,565$11.0M0.02%00.0%Unchanged
California Public Employees Retirement System135,721$11.3M0.01%00.0%Unchanged
Rhenman & Partners Asset Management AB149,912$12.5M1.25%−50,088−25.0%Reduced
Point72 Asset Management, L.P.157,100$13.1M0.04%+157,100New
Citigroup Inc158,974$13.3M0.02%+16,260+11.4%Added
Affinity Asset Advisors, LLC160,000$13.4M2.66%−70,366−30.5%Reduced
Swiss National Bank170,300$14.2M0.01%−29,500−14.8%Reduced
Superstring Capital Management LP177,603$14.8M10.58%+177,603New
TD Asset Management Inc182,040$15.2M0.01%+82,400+82.7%Added
Voya Investment Management LLC183,598$15.3M0.02%−406−0.2%Reduced
Victory Capital Management Inc191,654$16.0M0.02%+174,848+1,040.4%Added
Cantor Fitzgerald, L. P.197,282$16.5M3.59%+197,282New
BNP Paribas Arbitrage, SA198,886$16.6M0.03%+96,081+93.5%Added
Integral Health Asset Management, LLC200,000$16.7M2.41%−600,000−75.0%Reduced
Public Sector Pension Investment Board203,472$17.0M0.13%+84,820+71.5%Added
Eagle Asset Management Inc203,547$17.0M0.09%−193,223−48.7%Reduced
Driehaus Capital Management LLC220,384$18.4M0.22%+220,384New
Sphera Funds Management Ltd.223,820$18.7M3.47%−10,113−4.3%Reduced
Checkpoint Capital L.P.230,000$19.2M13.40%+230,000New
Russell Investments Group, Ltd.252,122$21.0M0.04%−37,435−12.9%Reduced
Pinnacle Associates Ltd258,358$21.6M0.36%−971−0.4%Reduced
Rafferty Asset Management, LLC263,275$22.0M0.09%+16,353+6.6%Added
Legal & General Group Plc266,487$22.2M0.01%−689−0.3%Reduced
Bank of America Corp266,771$22.3M0.00%−53,249−16.6%Reduced
Candriam Luxembourg S.C.A.267,240$22.3M0.15%−236,000−46.9%Reduced
Citadel Advisors LLC272,593$22.8M0.02%−959,231−77.9%Reduced
UBS Group AG274,308$22.9M0.01%+77,637+39.5%Added
Rhumbline Advisers281,842$23.5M0.02%+6,973+2.5%Added
JPMorgan Chase & Co284,400$23.7M0.00%−101,701−26.3%Reduced
Deep Track Capital, LP288,949$24.1M0.85%+288,949New
Natixis315,831$26.4M0.20%+315,831New
Ameriprise Financial Inc337,255$28.2M0.01%+21,837+6.9%Added
Nuveen Asset Management, LLC343,601$28.7M0.01%−26,023−7.0%Reduced
Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A.344,484$28.8M6.55%+344,484New
Qube Research & Technologies Ltd350,535$29.3M0.07%+340,827+3,510.8%Added
Putnam Investments LLC365,335$30.5M0.04%+147,486+67.7%Added
DAFNA Capital Management LLC400,000$33.4M8.00%−79,538−16.6%Reduced