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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, Q3 2025

Institutional positions in Cytokinetics Inc as of Sep 30, 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
381
+76 vs. Q2 2025
Shares held
140.9M
+4.52M (+3.3%) vs. Q2 2025
Total value
$7.75B
+$3.24B (+71.8%) vs. Q2 2025
New holders
101
126 more added
Sold out
25
102 more reduced

7 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: 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 2025: 381 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 heldQ3 2025: $7.75B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Cytokinetics Inc; share changes are against Q2 2025.

Institutions holding CYTK in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Cetera Investment Advisers17,139$942.0K0.00%+10,504+158.3%Added
Xponance, Inc.16,713$918.5K0.01%+30.0%Added
Vident Advisory, LLC16,221$891.5K0.01%+16,221New
Oak Ridge Investments LLC16,066$883.0K0.06%−185−1.1%Reduced
Pacer Advisors, Inc.15,740$865.1K0.00%+15,740New
NJ State Employees Deferred Compensation Plan15,500$851.9K0.09%00.0%Unchanged
Ami Asset Management Corp15,283$840.0K0.05%+15,283New
J. Goldman & Co LP14,505$797.2K0.03%−19,131−56.9%Reduced
Wolverine Trading, LLC14,150$762.5K0.02%−11,658−45.2%Reduced
D. E. Shaw & Co., Inc.13,603$747.6K0.00%−5,481−28.7%Reduced
Bank of Montreal13,132$721.7K0.00%−1,403−9.7%Reduced
Kennedy Capital Management, Inc.13,021$715.6K0.02%+6,350+95.2%Added
HighTower Advisors, LLC12,800$703.5K0.00%+2,377+22.8%Added
State of Alaska, Department of Revenue12,780$702.0K0.01%−675−5.0%Reduced
Toroso Investments, LLC12,762$701.4K0.00%−571−4.3%Reduced
Harvest Management LLC12,600$692.5K0.34%+1,856+17.3%Added
CIBC Bancorp USA Inc.12,453$684.4K0.00%+12,453New
Atria Investments LLC12,147$667.6K0.01%+12,147New
Capstone Investment Advisors, LLC12,094$664.7K0.01%+12,094New
Point72 Asia (Singapore) Pte. Ltd.11,799$648.5K0.10%+11,799New
Gallagher Fiduciary Advisors, LLC11,791$648.0K0.02%+11,791New
Bayforest Capital Ltd11,747$645.6K0.31%+11,747New
Nisa Investment Advisors, LLC11,531$633.7K0.00%+1,338+13.1%Added
Brinker Capital Investments, LLC11,233$617.4K0.00%+11,233New
LPL Financial LLC11,201$615.6K0.00%−8,577−43.4%Reduced
DLD Asset Management, LP11,000$604.6K0.08%+11,000New
Glenmede Investment Management, LP10,990$604.0K0.00%+10,990New
Wealth Enhancement Advisory Services, LLC9,856$593.0K0.00%+1,380+16.3%Added
STRS Ohio10,600$582.6K0.00%+3,000+39.5%Added
Public Employees Retirement Association of Colorado10,552$580.0K0.00%00.0%Unchanged
Bridgefront Capital, LLC10,409$572.1K0.17%+10,409New
Cynosure Management, LLC10,372$570.0K0.06%00.0%Unchanged
Sectoral Asset Management Inc10,223$561.9K0.35%−1,500−12.8%Reduced
DnB Asset Management AS10,210$561.1K0.00%−1,245−10.9%Reduced
Brevan Howard Capital Management LP9,974$548.2K0.01%+9,974New
Ethic Inc.9,522$523.3K0.01%+9,522New
Quadrant Capital Group LLC9,248$508.3K0.02%+9,248New
Qube Research & Technologies Ltd9,038$496.7K0.00%−112,784−92.6%Reduced
Securian Asset Management, Inc8,961$492.5K0.01%−134−1.5%Reduced
Concentric Capital Strategies, LP8,788$483.0K0.02%+8,788New
FNY Investment Advisers, LLC8,614$473.0K0.15%−4,281−33.2%Reduced
Groupama Asset Managment–$459.5K0.01%––
CWM Advisors, LLC8,192$450.2K0.04%−3,696−31.1%Reduced
Fifth Lane Capital, LP8,000$439.7K0.44%−1,000−11.1%Reduced
Crossmark Global Holdings, Inc.7,815$429.5K0.01%+60+0.8%Added
Banque Pictet & Cie SA7,639$419.8K0.00%−49−0.6%Reduced
Veracity Capital LLC7,414$407.5K0.13%00.0%Unchanged
Sterling Capital Management LLC7,233$397.5K0.01%+4,363+152.0%Added
Clearline Capital LP6,817$374.7K0.03%00.0%Unchanged
Camden Capital, LLC6,589$362.1K0.02%+6,589New
Tower Research Capital LLC (TRC)6,343$348.6K0.01%−4,743−42.8%Reduced
Neuberger Berman Group LLC6,309$346.7K0.00%+132+2.1%Added
First Bank & Trust6,304$346.5K0.06%00.0%Unchanged
Qsemble Capital Management, LP6,065$333.3K0.03%+6,065New
The PNC Financial Services Group, Inc.6,049$332.5K0.00%+1,343+28.5%Added
Shay Capital LLC6,015$330.6K0.06%−1,485−19.8%Reduced
M&T Bank Corp6,012$330.0K0.00%+6,012New
Summit Trail Advisors, LLC5,764$316.8K0.00%−991−14.7%Reduced
Allspring Global Investments Holdings, LLC5,664$316.3K0.00%+5,664New
J.Safra Asset Management Corp5,339$293.4K0.02%+1,652+44.8%Added
ISAM Funds (UK) Ltd5,227$287.3K0.06%+5,227New
Swiss Life Asset Management Ltd5,142$282.6K0.00%+5,142New
Commonwealth Equity Services, LLC5,132$282.0K0.00%+5,132New
High Net Worth Advisory Group LLC5,000$274.8K0.07%+5,000New
Quest Partners LLC4,859$267.1K0.02%−60−1.2%Reduced
CI Private Wealth, LLC4,813$264.5K0.00%+4,813New
Coldstream Capital Management Inc4,752$261.2K0.00%+4,752New
Carlson Capital L P4,700$258.3K0.15%−15,800−77.1%Reduced
Mirae Asset Global Investments Co., Ltd.4,626$254.2K0.00%+13+0.3%Added
Hantz Financial Services, Inc.4,613$254.0K0.00%+3,305+252.7%Added
Intrust Bank NA4,553$250.2K0.02%+4,553New
Allianz Asset Management GmbH4,541$249.6K0.00%+4,541New
Oppenheimer & Co Inc4,372$240.3K0.00%−2,490−36.3%Reduced
Empowered Funds, LLC4,343$238.7K0.00%+4,343New
O'Shaughnessy Asset Management, LLC4,330$238.0K0.00%+4,330New
US Bancorp4,308$236.8K0.00%+2,584+149.9%Added
Savant Capital, LLC4,208$231.3K0.00%+4,208New
Walleye Capital LLC4,203$231.0K0.00%+4,203New
Meridian Financial, LLC4,118$226.3K0.13%+4,118New
Everence Capital Management Inc4,080$224.0K0.01%+4,080New
HSBC Holdings PLC4,006$220.2K0.00%+4,006New
XTX Topco Ltd3,990$219.3K0.01%+3,990New
LVW Advisors, LLC3,982$218.9K0.02%+3,982New
Breakwater Capital Group3,939$216.5K0.03%+3,939New
PharVision Advisers, LLC3,765$206.9K0.12%+3,765New
Massar Capital Management, LP3,740$205.6K0.07%+3,740New
Inceptionr LLC3,719$204.4K0.05%+3,719New
OP Asset Management Ltd3,486$191.6K0.00%+3,486New
CIBC Private Wealth Group, LLC3,484$191.5K0.00%+261+8.1%Added
KBC Group NV3,470$191.0K0.00%00.0%Unchanged
Virtus Investment Advisers, Inc.3,428$188.4K0.05%+596+21.0%Added
Assetmark, Inc3,363$184.8K0.00%+721+27.3%Added
Walleye Trading LLC3,024$166.2K0.00%+3,024New
Point72 (DIFC) Ltd2,942$161.7K0.01%+2,942New
Parallax Volatility Advisers, L.P.2,909$159.9K0.00%−1,980−40.5%Reduced
GF Fund Management Co. Ltd.2,574$141.5K0.00%−447−14.8%Reduced
Bessemer Group Inc2,580$141.0K0.00%+2,063+399.0%Added
Covestor Ltd2,311$128.0K0.07%+1,600+225.0%Added
Bellevue Group AG2,100$115.4K0.00%−1,641−43.9%Reduced
Larson Financial Group LLC1,852$101.8K0.00%+1,488+408.8%Added