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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 18 sales; 481 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: 481 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 2026481$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
BlackRock Inc.16,102,070$1.34B0.03%+467,330+3.0%Added
FMR LLC13,007,783$1.09B0.08%+1,016,959+8.5%Added
Vanguard Group Inc11,016,889$919.8M0.02%+273,565+2.5%Added
Wellington Management Group LLP6,488,500$541.7M0.10%−1,497,856−18.8%Reduced
State Street Corp5,893,358$492.0M0.02%+618,872+11.7%Added
Price T Rowe Associates Inc3,244,250$270.9M0.04%+2,232,623+220.7%Added
Janus Henderson Group PLC2,568,405$214.4M0.13%+75,079+3.0%Added
RTW Investments, LP2,525,080$210.8M3.29%−49,118−1.9%Reduced
Morgan Stanley2,401,582$200.5M0.02%+1,349,376+128.2%Added
T. Rowe Price Investment Management, Inc.2,229,485$186.1M0.12%+413,299+22.8%Added
Boxer Capital, LLC2,100,000$175.3M8.74%00.0%Unchanged
Geode Capital Management, LLC2,090,125$174.5M0.02%+111,760+5.6%Added
PFM Health Sciences, LP1,757,192$146.7M8.80%−642,353−26.8%Reduced
Logos Global Management LP1,625,000$135.7M15.09%+375,000+30.0%Added
Lord, Abbett & Co. LLC1,607,812$134.2M0.47%+1,006,641+167.4%Added
Polar Capital Holdings Plc1,417,054$118.3M0.82%−1,237,391−46.6%Reduced
Pictet Asset Management Holding SA1,372,244$114.6M0.13%−875,199−38.9%Reduced
Invesco Ltd.1,242,980$103.8M0.02%+59,100+5.0%Added
Artal Group S.A.1,214,284$101.4M3.46%−304,547−20.1%Reduced
Millennium Management LLC1,199,341$100.1M0.09%+499,555+71.4%Added
Bank of New York Mellon Corp1,185,836$99.0M0.02%−52,038−4.2%Reduced
Farallon Capital Management, L.L.C.1,087,772$90.8M0.57%+1,066,000+4,896.2%Added
Northern Trust Corp1,055,977$88.2M0.02%−17,268−1.6%Reduced
American Century Companies Inc967,000$80.7M0.06%−1,258,762−56.6%Reduced
Goldman Sachs Group Inc815,444$68.1M0.01%+105,994+14.9%Added
First Turn Management, LLC807,444$67.4M9.68%+807,444New
Charles Schwab Investment Management Inc789,969$66.0M0.02%+33,257+4.4%Added
Norges Bank722,229$60.3M0.01%−107,278−12.9%Reduced
Franklin Resources Inc660,682$55.2M0.03%−470,406−41.6%Reduced
Susquehanna International Group, LLP635,502$53.1M0.09%+470,916+286.1%Added
Marshall Wace, LLP626,087$52.3M0.10%−907,882−59.2%Reduced
Darwin Global Management, Ltd.600,000$50.1M9.83%+600,000New
Deutsche Bank AG565,151$47.2M0.02%+358,384+173.3%Added
Hood River Capital Management LLC560,981$46.8M1.29%+58,455+11.6%Added
Eventide Asset Management, LLC556,000$46.4M0.76%00.0%Unchanged
Assenagon Asset Management S.A.554,658$46.3M0.14%+554,658New
Fisher Asset Management, LLC536,046$44.8M0.02%+536,046New
Principal Financial Group Inc521,172$43.5M0.03%−4,111−0.8%Reduced
Great Point Partners LLC500,000$41.7M7.11%−100,000−16.7%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.467,078$39.0M0.11%−149,400−24.2%Reduced
Barclays PLC464,723$38.8M0.02%−107,544−18.8%Reduced
Saturn V Capital Management LLC448,144$37.4M14.32%−47,024−9.5%Reduced
Finepoint Capital LP431,693$36.0M12.47%00.0%Unchanged
Ensign Peak Advisors, Inc425,863$35.6M0.07%00.0%Unchanged
Caption Management, LLC420,359$35.1M3.82%+405,284+2,688.5%Added
Sofinnova Investments, Inc.414,207$34.6M1.94%−645,957−60.9%Reduced
Balyasny Asset Management LLC413,137$34.5M0.10%−765,741−65.0%Reduced
DAFNA Capital Management LLC400,000$33.4M8.00%−79,538−16.6%Reduced
Putnam Investments LLC365,335$30.5M0.04%+147,486+67.7%Added
Qube Research & Technologies Ltd350,535$29.3M0.07%+340,827+3,510.8%Added
Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A.344,484$28.8M6.55%+344,484New
Nuveen Asset Management, LLC343,601$28.7M0.01%−26,023−7.0%Reduced
Ameriprise Financial Inc337,255$28.2M0.01%+21,837+6.9%Added
Natixis315,831$26.4M0.20%+315,831New
Deep Track Capital, LP288,949$24.1M0.85%+288,949New
JPMorgan Chase & Co284,400$23.7M0.00%−101,701−26.3%Reduced
Rhumbline Advisers281,842$23.5M0.02%+6,973+2.5%Added
UBS Group AG274,308$22.9M0.01%+77,637+39.5%Added
Citadel Advisors LLC272,593$22.8M0.02%−959,231−77.9%Reduced
Candriam Luxembourg S.C.A.267,240$22.3M0.15%−236,000−46.9%Reduced
Bank of America Corp266,771$22.3M0.00%−53,249−16.6%Reduced
Legal & General Group Plc266,487$22.2M0.01%−689−0.3%Reduced
Rafferty Asset Management, LLC263,275$22.0M0.09%+16,353+6.6%Added
Pinnacle Associates Ltd258,358$21.6M0.36%−971−0.4%Reduced
Russell Investments Group, Ltd.252,122$21.0M0.04%−37,435−12.9%Reduced
Checkpoint Capital L.P.230,000$19.2M13.40%+230,000New
Sphera Funds Management Ltd.223,820$18.7M3.47%−10,113−4.3%Reduced
Driehaus Capital Management LLC220,384$18.4M0.22%+220,384New
Eagle Asset Management Inc203,547$17.0M0.09%−193,223−48.7%Reduced
Public Sector Pension Investment Board203,472$17.0M0.13%+84,820+71.5%Added
Integral Health Asset Management, LLC200,000$16.7M2.41%−600,000−75.0%Reduced
BNP Paribas Arbitrage, SA198,886$16.6M0.03%+96,081+93.5%Added
Cantor Fitzgerald, L. P.197,282$16.5M3.59%+197,282New
Victory Capital Management Inc191,654$16.0M0.02%+174,848+1,040.4%Added
Voya Investment Management LLC183,598$15.3M0.02%−406−0.2%Reduced
TD Asset Management Inc182,040$15.2M0.01%+82,400+82.7%Added
Superstring Capital Management LP177,603$14.8M10.58%+177,603New
Swiss National Bank170,300$14.2M0.01%−29,500−14.8%Reduced
Affinity Asset Advisors, LLC160,000$13.4M2.66%−70,366−30.5%Reduced
Citigroup Inc158,974$13.3M0.02%+16,260+11.4%Added
Point72 Asset Management, L.P.157,100$13.1M0.04%+157,100New
Rhenman & Partners Asset Management AB149,912$12.5M1.25%−50,088−25.0%Reduced
California Public Employees Retirement System135,721$11.3M0.01%00.0%Unchanged
New York State Teachers Retirement System131,565$11.0M0.02%00.0%Unchanged
Peregrine Capital Management LLC131,514$11.0M0.33%−73,150−35.7%Reduced
Connor, Clark & Lunn Investment Management Ltd.130,472$10.9M0.05%−37,505−22.3%Reduced
Standard Life Aberdeen plc130,260$10.9M0.02%+130,260New
Alliancebernstein L.P.122,247$10.2M0.00%−7,947−6.1%Reduced
AXA S.A.120,077$10.0M0.03%+120,077New
GTS Securities LLC116,901$9.76M0.21%+109,713+1,526.3%Added
UBS Asset Management Americas Inc116,565$9.73M0.00%−4,279−3.5%Reduced
Octagon Capital Advisors LP116,000$9.68M1.55%+116,000New
Palo Alto Investors LP111,717$9.33M0.84%00.0%Unchanged
Prudential Financial Inc111,666$9.32M0.01%−1,752−1.5%Reduced
Schroder Investment Management Group111,147$9.28M0.01%+111,147New
Nantahala Capital Management, LLC110,017$9.19M0.92%−69,240−38.6%Reduced
Tang Capital Management LLC110,000$9.18M0.85%+110,000New
Trexquant Investment LP109,810$9.17M0.21%+88,342+411.5%Added
Credit Suisse AG107,371$8.96M0.01%−5,161−4.6%Reduced
Great West Life Assurance Co105,192$8.76M0.02%+5,213+5.2%Added