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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, Q1 2025

Institutional positions in Cytokinetics Inc as of Mar 31, 2025. 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
356
+12 vs. Q4 2024
Shares held
136.3M
+5.32M (+4.1%) vs. Q4 2024
Total value
$5.48B
−$684.2M (−11.1%) vs. Q4 2024
New holders
56
140 more added
Sold out
44
109 more reduced

3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2025: 356 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 heldQ1 2025: $5.48B
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, Q1 2025

Shares, value and share of portfolio for each institution holding Cytokinetics Inc; share changes are against Q4 2024.

Institutions holding CYTK in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Great Point Partners LLC370,000$14.9M8.08%+10,000+2.8%Added
Schroder Investment Management Group345,598$14.9M0.02%+196,165+131.3%Added
Rhumbline Advisers373,855$15.0M0.01%−10,028−2.6%Reduced
Eventide Asset Management, LLC382,696$15.4M0.31%+128,548+50.6%Added
ADAR1 Capital Management, LLC390,729$15.7M3.02%−23,480−5.7%Reduced
DAFNA Capital Management LLC398,100$16.0M4.54%00.0%Unchanged
TD Asset Management Inc446,828$18.0M0.02%−77,806−14.8%Reduced
Invesco Ltd.501,882$20.2M0.00%−15,883−3.1%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.522,468$21.0M0.06%+33,106+6.8%Added
Franklin Resources Inc537,624$21.6M0.01%−8,189−1.5%Reduced
Susquehanna International Group, LLP539,110$21.7M0.04%+399,993+287.5%Added
Catalio Capital Management, LP585,812$23.5M5.84%+128,225+28.0%Added
Sarissa Capital Management LP600,000$24.1M15.59%−233,799−28.0%Reduced
Standard Life Aberdeen plc602,421$24.2M0.05%+151,908+33.7%Added
Principal Financial Group Inc629,911$25.3M0.01%+358,778+132.3%Added
Jennison Associates LLC673,932$27.1M0.02%+673,932New
Jane Street Group, LLC755,706$30.4M0.05%+647,584+598.9%Added
Ameriprise Financial Inc786,583$31.6M0.01%+34,182+4.5%Added
Fisher Asset Management, LLC793,458$31.9M0.01%+176,966+28.7%Added
Paradigm Biocapital Advisors LP858,664$34.5M1.59%+858,664New
Bank of New York Mellon Corp870,968$35.0M0.01%−22,830−2.6%Reduced
RP Management, LLC980,392$39.4M28.38%00.0%Unchanged
Melqart Asset Management (UK) Ltd999,447$40.2M5.43%−136,987−12.1%Reduced
Morgan Stanley1,011,745$40.7M0.00%−241,243−19.3%Reduced
Armistice Capital, LLC1,023,390$41.1M1.10%−288,610−22.0%Reduced
Brown Advisory Inc1,086,300$43.7M0.06%+9,869+0.9%Added
Integral Health Asset Management, LLC1,100,000$44.2M4.90%+100,000+10.0%Added
Janus Henderson Group PLC1,057,146$45.7M0.03%+32,729+3.2%Added
Citadel Advisors LLC1,150,514$46.2M0.05%−221,131−16.1%Reduced
Capital International Investors1,168,110$46.9M0.01%+71,946+6.6%Added
Norges Bank1,176,919$47.3M0.01%+187,198+18.9%Added
Hood River Capital Management LLC1,256,580$50.5M0.86%+267,332+27.0%Added
Westfield Capital Management Co LP1,310,336$52.7M0.26%+30,346+2.4%Added
Charles Schwab Investment Management Inc1,312,857$52.8M0.01%−22,332−1.7%Reduced
JPMorgan Chase & Co1,325,408$53.3M0.00%−292,994−18.1%Reduced
Goldman Sachs Group Inc1,362,958$54.8M0.01%+157,527+13.1%Added
Northern Trust Corp1,447,316$58.2M0.01%−24,173−1.6%Reduced
OrbiMed Advisors LLC1,509,205$60.7M1.46%−74,800−4.7%Reduced
Alliancebernstein L.P.1,523,440$61.2M0.02%−71,884−4.5%Reduced
Point72 Asset Management, L.P.1,722,984$69.2M0.19%+1,553,071+914.0%Added
Pictet Asset Management Holding SA1,956,327$78.9M0.09%+44,328+2.3%Added
Price T Rowe Associates Inc1,993,896$80.1M0.01%−631,185−24.0%Reduced
Marshall Wace, LLP2,028,792$81.5M0.11%−124,521−5.8%Reduced
UBS Group AG2,134,219$85.8M0.02%+932,220+77.6%Added
Polar Capital Holdings Plc2,455,737$98.7M0.61%+259,016+11.8%Added
Vestal Point Capital, LP2,590,531$104.1M7.43%+240,531+10.2%Added
Bank of America Corp2,702,874$108.6M0.01%+2,483,753+1,133.5%Added
RTW Investments, LP2,721,158$109.4M1.67%00.0%Unchanged
Geode Capital Management, LLC2,937,484$118.1M0.01%+96,146+3.4%Added
Deep Track Capital, LP3,073,853$123.5M4.00%+573,853+23.0%Added
State Street Corp6,085,001$244.6M0.01%−82,339−1.3%Reduced
Wellington Management Group LLP7,988,740$321.1M0.06%+100,043+1.3%Added
T. Rowe Price Investment Management, Inc.9,955,251$400.1M0.26%−796,872−7.4%Reduced
FMR LLC10,316,131$414.6M0.03%−478,555−4.4%Reduced
Vanguard Group Inc11,849,547$476.2M0.01%−66,274−0.6%Reduced
BlackRock, Inc.15,563,778$625.5M0.01%+94,400+0.6%Added
Proequities, Inc.0$00.00%−1−100.0%Sold out
Logos Global Management LP0$00.00%−900,000−100.0%Sold out
Siren, L.L.C.0$00.00%−402,323−100.0%Sold out
Saturn V Capital Management LLC0$00.00%−348,364−100.0%Sold out
Springhill Fund Asset Management (HK) Co Ltd0$00.00%−130,735−100.0%Sold out
Man Group plc0$00.00%−63,696−100.0%Sold out
Van Eck Associates Corp0$00.00%−54,364−100.0%Sold out
Pinebridge Investments, L.P.0$00.00%−36,404−100.0%Sold out
Marex Group plc0$00.00%−31,500−100.0%Sold out
Silphium Asset Management Ltd0$00.00%−30,000−100.0%Sold out
Checkpoint Capital L.P.0$00.00%−20,000−100.0%Sold out
BIT Capital GmbH0$00.00%−19,283−100.0%Sold out
Clear Street Markets LLC0$00.00%−17,500−100.0%Sold out
Jefferies Financial Group Inc.0$00.00%−12,600−100.0%Sold out
Nicholas Investment Partners, LP0$00.00%−11,049−100.0%Sold out
Allianz Asset Management GmbH0$00.00%−9,600−100.0%Sold out
Teza Capital Management LLC0$00.00%−9,488−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−8,976−100.0%Sold out
Engineers Gate Manager LP0$00.00%−7,101−100.0%Sold out
Virtu Financial LLC0$00.00%−6,433−100.0%Sold out
Fifth Lane Capital, LP0$00.00%−6,000−100.0%Sold out
Advisory Services Network, LLC0$00.00%−5,739−100.0%Sold out
Centiva Capital, LP0$00.00%−4,905−100.0%Sold out
Pitcairn Co0$00.00%−4,853−100.0%Sold out
Corton Capital Inc.0$00.00%−4,669−100.0%Sold out
Cerity Partners LLC0$00.00%−4,066−100.0%Sold out
Meridian Financial, LLC0$00.00%−4,318−100.0%Sold out
Nelson, Van Denburg & Campbell Wealth Management Group, LLC0$00.00%−3,718−100.0%Sold out
R Squared Ltd0$00.00%−2,830−100.0%Sold out
Headlands Technologies LLC0$00.00%−2,067−100.0%Sold out
Point72 Asia (Singapore) Pte. Ltd.0$00.00%−1,849−100.0%Sold out
Virtus ETF Advisers LLC0$00.00%−1,415−100.0%Sold out
Archer Investment Corp0$00.00%−1,040−100.0%Sold out
Quarry LP0$00.00%−800−100.0%Sold out
LGT Financial Advisors LLC0$00.00%−583−100.0%Sold out
Steward Partners Investment Advisory, LLC0$00.00%−500−100.0%Sold out
Elequin Capital LP0$00.00%−207−100.0%Sold out
Exchange Traded Concepts, LLC0$00.00%−128−100.0%Sold out
SRS Capital Advisors, Inc.0$00.00%−111−100.0%Sold out
Eagle Bay Advisors LLC0$00.00%−57−100.0%Sold out
UMA Financial Services, Inc.0$00.00%−12−100.0%Sold out
Versant Capital Management, Inc0$00.00%−11−100.0%Sold out
WealthTrak Capital Management LLC0$00.00%−5−100.0%Sold out
New England Capital Financial Advisors LLC0$00.00%−1−100.0%Sold out