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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, Q3 2023

Institutional positions in Cytokinetics Inc as of Sep 30, 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
251
0 vs. Q2 2023
Shares held
109.3M
+3.03M (+2.8%) vs. Q2 2023
Total value
$3.22B
−$247.8M (−7.1%) vs. Q2 2023
New holders
26
94 more added
Sold out
26
78 more reduced

2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2023: 251 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 heldQ3 2023: $3.22B
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, Q3 2023

Shares, value and share of portfolio for each institution holding Cytokinetics Inc; share changes are against Q2 2023.

Institutions holding CYTK in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.15,634,740$460.6M0.01%+272,567+1.8%Added
FMR LLC11,990,824$353.2M0.03%−172,144−1.4%Reduced
Vanguard Group Inc10,743,324$316.5M0.01%+472,595+4.6%Added
Wellington Management Group LLP7,986,356$235.3M0.05%−284,443−3.4%Reduced
State Street Corp5,274,486$155.4M0.01%+182,906+3.6%Added
Polar Capital Holdings Plc2,654,445$78.2M0.58%00.0%Unchanged
RTW Investments, LP2,574,198$75.8M1.60%00.0%Unchanged
Janus Henderson Group PLC2,493,326$73.5M0.05%+397,627+19.0%Added
PFM Health Sciences, LP2,399,545$70.7M3.38%00.0%Unchanged
Pictet Asset Management Holding SA2,247,443$66.2M0.08%+2,247,443New
American Century Companies Inc2,225,762$65.6M0.05%−499,060−18.3%Reduced
Boxer Capital, LLC2,100,000$61.9M3.29%00.0%Unchanged
Geode Capital Management, LLC1,978,365$58.3M0.01%+69,134+3.6%Added
T. Rowe Price Investment Management, Inc.1,816,186$53.5M0.04%+11,870+0.7%Added
Marshall Wace, LLP1,533,969$45.2M0.10%+1,278,577+500.6%Added
Artal Group S.A.1,518,831$44.7M1.95%+102,800+7.3%Added
Logos Global Management LP1,250,000$36.8M5.25%−400,000−24.2%Reduced
Bank of New York Mellon Corp1,237,874$36.5M0.01%−56,069−4.3%Reduced
Citadel Advisors LLC1,231,824$36.3M0.04%+331,835+36.9%Added
Invesco Ltd.1,183,880$34.9M0.01%−319,376−21.2%Reduced
Balyasny Asset Management LLC1,178,878$34.7M0.10%+107,346+10.0%Added
Franklin Resources Inc1,131,088$33.3M0.02%+10,903+1.0%Added
Northern Trust Corp1,073,245$31.6M0.01%−26,088−2.4%Reduced
Sofinnova Investments, Inc.1,060,164$31.2M2.17%+216,936+25.7%Added
Morgan Stanley1,052,206$31.0M0.00%+143,955+15.8%Added
Price T Rowe Associates Inc1,011,627$29.8M0.00%−73,686−6.8%Reduced
Nicholas Investment Partners, LP942,137$27.8M2.07%+259,270+38.0%Added
Norges Bank829,507$24.4M0.00%+78,057+10.4%Added
Integral Health Asset Management, LLC800,000$23.6M3.34%+150,000+23.1%Added
Charles Schwab Investment Management Inc756,712$22.3M0.01%−14,366−1.9%Reduced
Goldman Sachs Group Inc709,450$20.9M0.01%−396,788−35.9%Reduced
Millennium Management LLC699,786$20.6M0.02%+183,321+35.5%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.616,478$18.2M0.06%+187,259+43.6%Added
Lord, Abbett & Co. LLC601,171$17.7M0.07%−1,089,299−64.4%Reduced
Great Point Partners LLC600,000$17.7M3.33%00.0%Unchanged
Barclays PLC572,267$16.9M0.01%+426,921+293.7%Added
Eventide Asset Management, LLC556,000$16.4M0.29%00.0%Unchanged
Principal Financial Group Inc525,283$15.5M0.01%−30,432−5.5%Reduced
Candriam Luxembourg S.C.A.503,240$14.8M0.12%−35,000−6.5%Reduced
Hood River Capital Management LLC502,526$14.8M0.48%−10.0%Reduced
Saturn V Capital Management LLC495,168$14.6M6.11%+88,943+21.9%Added
DAFNA Capital Management LLC479,538$14.1M4.39%+146,804+44.1%Added
Finepoint Capital LP431,693$12.7M6.33%+62,600+17.0%Added
Ensign Peak Advisors, Inc425,863$12.5M0.03%+74,694+21.3%Added
Eagle Asset Management Inc396,770$11.7M0.07%−7,392−1.8%Reduced
JPMorgan Chase & Co386,101$11.4M0.00%+11,096+3.0%Added
Nuveen Asset Management, LLC369,624$10.9M0.00%+2,462+0.7%Added
Bank of America Corp320,020$9.43M0.00%+59,041+22.6%Added
Ameriprise Financial Inc315,418$9.29M0.00%−29,650−8.6%Reduced
Russell Investments Group, Ltd.289,557$8.53M0.02%+50,966+21.4%Added
Rhumbline Advisers274,869$8.10M0.01%+3,005+1.1%Added
Legal & General Group Plc267,176$7.87M0.00%−1,360−0.5%Reduced
Pinnacle Associates Ltd259,329$7.64M0.14%−11,032−4.1%Reduced
Rafferty Asset Management, LLC246,922$7.27M0.04%+22,498+10.0%Added
Sphera Funds Management Ltd.233,933$6.89M1.65%+233,933New
Affinity Asset Advisors, LLC230,366$6.79M2.22%+105,218+84.1%Added
Ally Bridge Group (NY) LLC223,382$6.58M7.72%00.0%Unchanged
Putnam Investments LLC217,849$6.42M0.01%+7,519+3.6%Added
Deutsche Bank AG206,767$6.09M0.00%+5,658+2.8%Added
ExodusPoint Capital Management, LP204,733$6.03M0.08%−8,159−3.8%Reduced
Peregrine Capital Management LLC204,664$6.03M0.18%+23,936+13.2%Added
Rhenman & Partners Asset Management AB200,000$5.89M0.64%00.0%Unchanged
Swiss National Bank199,800$5.89M0.00%+2,100+1.1%Added
UBS Group AG196,671$5.79M0.00%−104,833−34.8%Reduced
Voya Investment Management LLC184,004$5.42M0.01%+424+0.2%Added
Nantahala Capital Management, LLC179,257$5.28M0.67%00.0%Unchanged
Two Sigma Advisers, LP176,900$5.21M0.01%−101,500−36.5%Reduced
Connor, Clark & Lunn Investment Management Ltd.167,977$4.95M0.03%+45,624+37.3%Added
Susquehanna International Group, LLP164,586$4.85M0.01%+58,529+55.2%Added
Citigroup Inc142,714$4.20M0.01%−32,789−18.7%Reduced
California Public Employees Retirement System135,721$4.00M0.00%+8,320+6.5%Added
Rock Springs Capital Management LP134,252$3.96M0.11%−313,348−70.0%Reduced
New York State Teachers Retirement System131,565$3.88M0.01%−1,100−0.8%Reduced
Alliancebernstein L.P.130,194$3.84M0.00%−37,729−22.5%Reduced
Jane Street Group, LLC125,040$3.68M0.01%−22,346−15.2%Reduced
UBS Asset Management Americas Inc120,844$3.56M0.00%+5,298+4.6%Added
Public Sector Pension Investment Board118,652$3.50M0.03%−51,112−30.1%Reduced
Sectoral Asset Management Inc118,303$3.49M0.68%+1,220+1.0%Added
Prudential Financial Inc113,418$3.34M0.01%−5,790−4.9%Reduced
Credit Suisse AG112,532$3.32M0.00%−12,026−9.7%Reduced
Palo Alto Investors LP111,717$3.29M0.31%00.0%Unchanged
Thornburg Investment Management Inc108,166$3.19M0.05%−2,831−2.6%Reduced
BNP Paribas Arbitrage, SA102,805$3.03M0.01%+46,856+83.7%Added
California State Teachers Retirement System100,898$2.97M0.00%−9,991−9.0%Reduced
Great West Life Assurance Co99,979$2.94M0.01%+914+0.9%Added
TD Asset Management Inc99,640$2.94M0.00%+26,297+35.9%Added
Two Sigma Investments, LP96,663$2.85M0.01%+54,063+126.9%Added
Moody Aldrich Partners LLC94,448$2.78M0.53%+5,172+5.8%Added
Ghost Tree Capital, LLC90,000$2.65M1.28%+90,000New
Thrivent Financial for Lutherans87,819$2.59M0.01%−3,674−4.0%Reduced
Wells Fargo & Company84,430$2.49M0.00%−18,234−17.8%Reduced
Texas Permanent School Fund80,443$2.37M0.02%−1,716−2.1%Reduced
Hudson Bay Capital Management LP80,000$2.36M0.02%+60,000+300.0%Added
State of Wisconsin Investment Board79,705$2.35M0.01%−1,370−1.7%Reduced
State of New Jersey Common Pension Fund D70,937$2.09M0.01%+7,370+11.6%Added
Weiss Multi-Strategy Advisers LLC70,000$2.06M0.05%+778+1.1%Added
Manufacturers Life Insurance Company, The66,558$1.96M0.00%−2,549−3.7%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys64,180$1.89M0.02%−43,930−40.6%Reduced
Ironwood Investment Management LLC62,102$1.83M1.12%−1,459−2.3%Reduced
J. Goldman & Co LP60,289$1.78M0.09%−2,387−3.8%Reduced