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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 2024

Institutional positions in Cytokinetics Inc as of Dec 31, 2024. 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
+2 vs. Q3 2024
Shares held
131.3M
−4.92M (−3.6%) vs. Q3 2024
Total value
$6.18B
−$1.02B (−14.1%) vs. Q3 2024
New holders
49
120 more added
Sold out
47
134 more reduced

3 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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 2024: 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 2024: $6.18B
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 2024

Shares, value and share of portfolio for each institution holding Cytokinetics Inc; share changes are against Q3 2024.

Institutions holding CYTK in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.15,469,378$727.7M0.01%+216,539+1.4%Added
Vanguard Group Inc11,915,821$560.5M0.01%+154,216+1.3%Added
FMR LLC10,794,686$507.8M0.03%−1,299,568−10.7%Reduced
T. Rowe Price Investment Management, Inc.10,752,123$505.8M0.31%+1,062,136+11.0%Added
Wellington Management Group LLP7,888,697$371.1M0.07%+113,727+1.5%Added
State Street Corp6,167,340$290.1M0.01%−290,984−4.5%Reduced
Geode Capital Management, LLC2,841,338$133.7M0.01%−7,246−0.3%Reduced
RTW Investments, LP2,721,158$128.0M1.94%00.0%Unchanged
Price T Rowe Associates Inc2,625,081$123.5M0.01%−539,864−17.1%Reduced
Deep Track Capital, LP2,500,000$117.6M4.41%+1,870,094+296.9%Added
Vestal Point Capital, LP2,350,000$110.5M6.55%+850,000+56.7%Added
Polar Capital Holdings Plc2,196,721$103.3M0.58%−141,126−6.0%Reduced
Marshall Wace, LLP2,153,313$101.3M0.13%+279,612+14.9%Added
Pictet Asset Management Holding SA1,911,999$89.9M0.10%−176,568−8.5%Reduced
JPMorgan Chase & Co1,618,402$76.1M0.01%+383,485+31.1%Added
Alliancebernstein L.P.1,595,324$75.0M0.03%−65,690−4.0%Reduced
OrbiMed Advisors LLC1,584,005$74.5M1.55%+817,099+106.5%Added
Northern Trust Corp1,471,489$69.2M0.01%+141,835+10.7%Added
Citadel Advisors LLC1,371,645$64.5M0.06%+434,454+46.4%Added
Charles Schwab Investment Management Inc1,335,189$62.8M0.01%+13,798+1.0%Added
Armistice Capital, LLC1,312,000$61.7M1.44%−584,575−30.8%Reduced
Westfield Capital Management Co LP1,279,990$60.2M0.26%+67,104+5.5%Added
Morgan Stanley1,252,988$58.9M0.00%+84,616+7.2%Added
Goldman Sachs Group Inc1,205,431$56.7M0.01%+20,642+1.7%Added
UBS Group AG1,201,999$56.5M0.01%+888,440+283.3%Added
Melqart Asset Management (UK) Ltd1,136,434$53.5M7.20%−75,824−6.3%Reduced
RP Management, LLC980,392$51.8M22.73%00.0%Unchanged
Capital International Investors1,096,164$51.6M0.01%+1,096,164New
Pentwater Capital Management LP1,090,000$51.3M0.88%−10,000−0.9%Reduced
Brown Advisory Inc1,076,431$50.6M0.06%−89,560−7.7%Reduced
Janus Henderson Group PLC1,024,417$48.2M0.02%−119,413−10.4%Reduced
Integral Health Asset Management, LLC1,000,000$47.0M4.16%+250,000+33.3%Added
Norges Bank989,721$46.6M0.01%−2,916−0.3%Reduced
Hood River Capital Management LLC989,248$46.5M0.69%−1,548−0.2%Reduced
Logos Global Management LP900,000$42.3M4.95%+500,000+125.0%Added
Bank of New York Mellon Corp893,798$42.0M0.01%−13,497−1.5%Reduced
Sarissa Capital Management LP833,799$39.2M12.15%−276,201−24.9%Reduced
Ameriprise Financial Inc752,401$35.4M0.01%+210,266+38.8%Added
Fisher Asset Management, LLC616,492$29.0M0.01%+74,208+13.7%Added
Franklin Resources Inc545,813$25.7M0.01%+9,366+1.7%Added
TD Asset Management Inc524,634$24.7M0.02%−36,384−6.5%Reduced
Invesco Ltd.517,765$24.4M0.00%+14,674+2.9%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.489,362$23.0M0.06%+161,290+49.2%Added
Catalio Capital Management, LP457,587$21.5M4.71%+457,587New
Standard Life Aberdeen plc450,513$21.2M0.04%+102,457+29.4%Added
ADAR1 Capital Management, LLC414,209$19.5M4.02%−496,973−54.5%Reduced
Siren, L.L.C.402,323$18.9M0.84%−123,648−23.5%Reduced
DAFNA Capital Management LLC398,100$18.7M4.76%00.0%Unchanged
Barclays PLC388,133$18.3M0.01%+11,137+3.0%Added
Rhumbline Advisers383,883$18.1M0.02%+5,207+1.4%Added
Nuveen Asset Management, LLC373,229$17.6M0.00%−9,947−2.6%Reduced
Great Point Partners LLC360,000$16.9M7.98%+44,000+13.9%Added
American Century Companies Inc356,576$16.8M0.01%+27,619+8.4%Added
Saturn V Capital Management LLC348,364$16.4M6.42%+17,081+5.2%Added
Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A.329,136$15.5M1.87%+329,136New
Massachusetts Financial Services Co319,281$15.0M0.00%−25,167−7.3%Reduced
Finepoint Capital LP318,448$15.0M1.73%+61,999+24.2%Added
UBS Asset Management Americas Inc315,250$14.8M0.00%+48,494+18.2%Added
Ensign Peak Advisors, Inc296,835$14.0M0.02%−165,001−35.7%Reduced
Citigroup Inc295,130$13.9M0.01%+105,285+55.5%Added
Pinnacle Associates Ltd285,532$13.4M0.18%+27,174+10.5%Added
Thornburg Investment Management Inc281,862$13.3M0.18%−1,620−0.6%Reduced
Principal Financial Group Inc271,133$12.8M0.01%−1,949−0.7%Reduced
Eventide Asset Management, LLC254,148$12.0M0.22%00.0%Unchanged
Comerica Bank235,464$11.1M0.04%−1,558−0.7%Reduced
Two Sigma Advisers, LP226,400$10.6M0.02%+11,700+5.4%Added
Swiss National Bank219,800$10.3M0.01%+4,300+2.0%Added
Bank of America Corp219,121$10.3M0.00%−4,610,302−95.5%Reduced
Renaissance Technologies LLC192,167$9.04M0.01%−52,200−21.4%Reduced
Corebridge Financial, Inc.189,540$8.92M0.05%−9,835−4.9%Reduced
Manufacturers Life Insurance Company, The188,538$8.87M0.01%−26,294−12.2%Reduced
Skandinaviska Enskilda Banken AB (publ)182,126$8.59M0.04%+26,332+16.9%Added
Deutsche Bank AG179,912$8.46M0.00%+44,985+33.3%Added
Davidson Kempner Capital Management LP179,061$8.42M0.15%−23,981−11.8%Reduced
Legal & General Group Plc178,632$8.40M0.00%+8,655+5.1%Added
Aquatic Capital Management LLC175,553$8.26M0.22%+99,653+131.3%Added
Impax Asset Management Group plc175,000$8.23M0.04%+50,000+40.0%Added
Candriam Luxembourg S.C.A.170,560$8.02M0.05%−8,640−4.8%Reduced
Point72 Asset Management, L.P.169,913$7.99M0.02%−294,097−63.4%Reduced
Rafferty Asset Management, LLC167,935$7.90M0.03%−48,891−22.5%Reduced
Clearline Capital LP166,477$7.83M1.04%−41,218−19.8%Reduced
Sphera Funds Management Ltd.153,021$7.20M1.33%−72,000−32.0%Reduced
Peregrine Capital Management LLC150,343$7.07M0.21%+9,432+6.7%Added
Alyeska Investment Group, L.P.150,000$7.06M0.03%+125,000+500.0%Added
Ikarian Capital, LLC149,982$7.06M2.01%−20,165−11.9%Reduced
Schroder Investment Management Group149,433$7.05M0.01%+13,708+10.1%Added
Rhenman & Partners Asset Management AB149,250$7.02M0.72%−31,250−17.3%Reduced
Retirement Systems of Alabama143,495$6.75M0.03%+565+0.4%Added
Hudson Bay Capital Management LP141,269$6.65M0.04%+73,769+109.3%Added
Susquehanna International Group, LLP139,117$6.54M0.01%−62,372−31.0%Reduced
California Public Employees Retirement System135,473$6.37M0.00%−48,263−26.3%Reduced
MetLife Investment Management133,702$6.29M0.03%+10,394+8.4%Added
Susquehanna Fundamental Investments, LLC131,799$6.20M0.10%+131,799New
Springhill Fund Asset Management (HK) Co Ltd130,735$6.15M9.99%+130,735New
Superstring Capital Management LP129,389$6.09M5.35%−86,409−40.0%Reduced
Woodline Partners LP126,201$5.94M0.04%−2,834−2.2%Reduced
AXA S.A.120,024$5.65M0.02%−190−0.2%Reduced
Quinn Opportunity Partners LLC115,939$5.45M0.39%+9,302+8.7%Added
New York State Teachers Retirement System113,900$5.36M0.01%+100+0.1%Added
Jane Street Group, LLC108,122$5.09M0.01%+22,799+26.7%Added