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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 15 sales; 482 institutions reported holding it in 13F filings for Q2 2026, worth $13.7B in total; no superinvestor holds it.

13F holders, Q1 2026

Institutional positions in Cytokinetics Inc as of Mar 31, 2026. 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
441
+17 vs. Q4 2025
Shares held
146.2M
+19.5M (+15.4%) vs. Q4 2025
Total value
$9.63B
+$1.58B (+19.7%) vs. Q4 2025
New holders
80
176 more added
Sold out
63
135 more reduced

7 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 441 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 2026: $9.63B
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 2026

Shares, value and share of portfolio for each institution holding Cytokinetics Inc; share changes are against Q4 2025.

Institutions holding CYTK in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Cim Investment Mangement Inc4,678$308.3K0.08%+4,678New
Graham Capital Management, L.P.4,414$290.9K0.01%+4,414New
Captrust Financial Advisors4,364$287.6K0.00%−285−6.1%Reduced
AE Wealth Management LLC4,305$283.7K0.00%+909+26.8%Added
Virtus Investment Advisers, Inc.4,303$283.6K0.08%+56+1.3%Added
LMR Partners LLP4,300$283.4K0.00%+4,300New
Fiduciary Trust Co4,228$278.7K0.00%+979+30.1%Added
Nomura Holdings Inc4,130$272.2K0.00%−62,077−93.8%Reduced
Kestra Advisory Services, LLC4,115$271.2K0.00%+3,664+812.4%Added
US Bancorp4,050$266.9K0.00%−870−17.7%Reduced
Abel Hall, LLC4,050$266.9K0.06%+384+10.5%Added
Shelton Capital Management4,049$266.9K0.01%00.0%Unchanged
Savant Capital, LLC4,034$265.9K0.00%−70−1.7%Reduced
Evergreen Capital Management LLC4,020$265.0K0.01%+619+18.2%Added
LVW Advisors, LLC3,982$262.5K0.03%00.0%Unchanged
Breakwater Capital Group3,941$259.8K0.03%00.0%Unchanged
Oppenheimer & Co Inc3,908$257.6K0.00%−14−0.4%Reduced
Commerce Bank3,892$256.5K0.00%−75−1.9%Reduced
Everence Capital Management Inc3,853$254.0K0.02%−227−5.6%Reduced
MML Investors Services, LLC3,647$240.3K0.00%−1,195−24.7%Reduced
Sterling Capital Management LLC3,640$239.9K0.00%−2,502−40.7%Reduced
Meeder Advisory Services, Inc.3,619$238.5K0.01%−190−5.0%Reduced
Wiley Bros.-Aintree Capital, LLC3,579$235.9K0.00%−57−1.6%Reduced
KBC Group NV3,470$229.0K0.00%00.0%Unchanged
Assetmark, Inc3,463$228.2K0.00%+438+14.5%Added
Sequoia Financial Advisors, LLC3,392$223.6K0.00%+3,392New
Blackstone Group Inc.3,374$222.4K0.00%+3,374New
Fifth Third Wealth Advisors LLC3,324$219.1K0.01%+115+3.6%Added
Shay Capital LLC3,275$215.9K0.03%−311−8.7%Reduced
Journey Strategic Wealth LLC3,262$215.0K0.01%+79+2.5%Added
W.G. Shaheen & Associates DBA Whitney & Co3,240$213.5K0.02%+3,240New
Merit Financial Group, LLC3,220$212.2K0.00%+3,220New
GTS Securities LLC3,206$211.3K0.01%+3,206New
CIBC Asset Management Inc3,187$210.1K0.00%00.0%Unchanged
Sanctuary Advisors, LLC3,186$210.0K0.00%−555−14.8%Reduced
Centiva Capital, LP3,000$197.7K0.01%+3,000New
Bessemer Group Inc2,968$196.0K0.00%−39−1.3%Reduced
Rockefeller Capital Management L.P.2,869$189.1K0.00%+2,228+347.6%Added
GF Fund Management Co. Ltd.2,746$181.0K0.00%+344+14.3%Added
GAMMA Investing LLC2,221$146.4K0.01%+165+8.0%Added
Eurizon Capital SGR S.p.A.2,204$139.5K0.00%+133+6.4%Added
Umb Bank N A1,920$126.5K0.00%+136+7.6%Added
Larson Financial Group LLC1,806$119.0K0.00%−27−1.5%Reduced
EverSource Wealth Advisors, LLC1,548$102.0K0.00%+549+55.0%Added
Root Financial Partners, LLC1,515$99.9K0.00%+61+4.2%Added
Lazard Asset Management LLC1,369$90.2K0.00%+1,369New
Covestor Ltd1,365$90.0K0.06%−606−30.7%Reduced
Smartleaf Asset Management LLC1,226$77.2K0.00%−232−15.9%Reduced
Los Angeles Capital Management LLC1,131$74.5K0.00%−5,040−81.7%Reduced
Farther Finance Advisors, LLC1,109$73.9K0.00%+2+0.2%Added
Bayforest Capital Ltd1,093$72.0K0.08%+1,093New
Kemnay Advisory Services Inc.1,013$66.8K0.01%+585+136.7%Added
Parallel Advisors, LLC919$60.6K0.00%+85+10.2%Added
Signaturefd, LLC888$58.5K0.00%+261+41.6%Added
Pinnacle Wealth Planning Services, Inc.713$47.0K0.00%−23−3.1%Reduced
CWM, LLC639$42.1K0.00%+159+33.1%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.589$38.8K0.00%+500+561.8%Added
Advisory Services Network, LLC557$36.7K0.00%+557New
IFP Advisors, Inc506$33.4K0.00%00.0%Unchanged
Allworth Financial LP482$31.8K0.00%+47+10.8%Added
Massmutual Trust Co FSB443$29.2K0.00%+6+1.4%Added
J.Safra Asset Management Corp309$20.4K0.00%−5,982−95.1%Reduced
Huntington National Bank303$20.0K0.00%00.0%Unchanged
Brown Brothers Harriman & Co300$19.8K0.00%00.0%Unchanged
AdvisorNet Financial, Inc262$17.3K0.00%−49−15.8%Reduced
Parkside Financial Bank & Trust258$17.0K0.00%+5+2.0%Added
National Bank of Canada248$16.3K0.00%+9+3.8%Added
E Fund Management (Hong Kong) Co., Ltd.239$15.8K0.01%+239New
NBC Securities, Inc.231$15.2K0.00%−2,053−89.9%Reduced
Tradewinds Capital Management, LLC215$14.2K0.00%00.0%Unchanged
Rothschild Investment LLC205$13.5K0.00%+18+9.6%Added
MAI Capital Management201$13.2K0.00%+173+617.9%Added
Danske Bank A/S200$13.2K0.00%−1,400−87.5%Reduced
Key Financial Inc200$13.2K0.00%00.0%Unchanged
Sankala Group LLC201$12.8K0.01%00.0%Unchanged
Optiver Holding B.V.185$12.2K0.00%−537−74.4%Reduced
Basecamp Wealth Advisors LLC179$11.8K0.00%−43−19.4%Reduced
Rakuten Securities, Inc.170$11.2K0.00%+120+240.0%Added
Capital Advisors, Ltd. LLC164$11.0K0.00%00.0%Unchanged
Leonteq Securities AG160$10.5K0.00%00.0%Unchanged
Twin Peaks Wealth Advisors, LLC152$10.0K0.00%+152New
Smithfield Trust Co155$10.0K0.00%00.0%Unchanged
Sherman Asset Management, Inc.142$9.36K0.01%00.0%Unchanged
Meeder Asset Management Inc142$9.36K0.00%+101+246.3%Added
Versant Capital Management, Inc128$8.44K0.00%+86+204.8%Added
First Horizon Corp127$8.37K0.00%00.0%Unchanged
Wolverine Asset Management LLC120$7.91K0.00%−5,380−97.8%Reduced
Private Wealth Management Group, LLC119$7.84K0.00%00.0%Unchanged
GWM Advisors LLC119$7.84K0.00%00.0%Unchanged
High Note Wealth, LLC118$7.78K0.00%00.0%Unchanged
SBI Securities Co., Ltd.116$7.65K0.00%−102−46.8%Reduced
Clearstead Advisors, LLC100$6.59K0.00%−570−85.1%Reduced
SMA Capital LLC99$6.53K0.00%+99New
Zions Bancorporation, National Association96$6.33K0.00%+77+405.3%Added
Farmers & Merchants Investments Inc91$6.00K0.00%00.0%Unchanged
Northwestern Mutual Wealth Management Co79$5.21K0.00%−464−85.5%Reduced
Elequin Capital LP75$4.94K0.00%−131−63.6%Reduced
MV Capital Management, Inc.70$4.61K0.00%+1+1.4%Added
Dynamic Wealth Strategies, LLC68$4.48K0.00%00.0%Unchanged
UMA Financial Services, Inc.53$3.49K0.00%−4−7.0%Reduced