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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 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
Bay Harbor Wealth Management, LLC1$650.00%+1New
Stone House Investment Management, LLC1$660.00%+1New
DiNuzzo Private Wealth, Inc.1$660.00%+1New
Principia Wealth Advisory, LLC1$660.00%+1New
Rialto Wealth Management, LLC1$660.00%+1New
HFM Investment Advisors, LLC1$660.00%+1New
SJS Investment Consulting Inc.2$1320.00%−120−98.4%Reduced
Ronald Blue Trust, Inc.3$1980.00%+3New
Vermillion Wealth Management, Inc.7$4610.00%+7New
LRI Investments, LLC8$5270.00%−4−33.3%Reduced
Quaker Wealth Management, LLC8$5280.00%00.0%Unchanged
Transamerica Financial Advisors, Inc.9$5930.00%+8+800.0%Added
Wealth Preservation Advisors, LLC9$5930.00%+9New
Prestige Wealth Management Group LLC9$5940.00%00.0%Unchanged
Trust Co10$6590.00%00.0%Unchanged
Financial Management Professionals, Inc.11$7250.00%+6+120.0%Added
SHP Wealth Management11$7250.00%+11New
Harbour Investments, Inc.12$7910.00%+10+500.0%Added
JFS Wealth Advisors, LLC12$7910.00%+12New
Dunhill Financial, LLC12$8130.00%+10+500.0%Added
South State Corp.15$9890.00%00.0%Unchanged
Avion Wealth30$1.00K0.00%00.0%Unchanged
Bogart Wealth, LLC16$1.05K0.00%+16New
NBT Bank N A17$1.12K0.00%+17New
Annis Gardner Whiting Capital Advisors, LLC17$1.12K0.00%−11−39.3%Reduced
True Wealth Design, LLC18$1.17K0.00%00.0%Unchanged
Fortitude Family Office, LLC18$1.19K0.00%+13+260.0%Added
CVA Family Office, LLC19$1.25K0.00%+19New
Activest Wealth Management20$1.32K0.00%+1+5.3%Added
Keating Financial Advisory Services, Inc.21$1.38K0.00%−10−32.3%Reduced
Arlington Trust Co LLC21$1.38K0.00%+21New
Hughes Financial Services, LLC25$1.65K0.00%−3−10.7%Reduced
Golden State Equity Partners30$1.98K0.00%+30New
SRS Capital Advisors, Inc.32$2.11K0.00%−338−91.4%Reduced
Bare Financial Services, Inc32$2.11K0.00%−23−41.8%Reduced
Cullen/Frost Bankers, Inc.35$2.31K0.00%−317−90.1%Reduced
Johnson Financial Group, Inc.35$2.31K0.00%00.0%Unchanged
Rachor Investment Advisory Services, LLC36$2.37K0.00%−8−18.2%Reduced
Bell Investment Advisors, Inc36$2.37K0.00%00.0%Unchanged
Richardson Capital Management LLC38$2.50K0.00%+38New
Cornerstone Financial Management LLC47$3.10K0.00%+8+20.5%Added
UMA Financial Services, Inc.53$3.49K0.00%−4−7.0%Reduced
Dynamic Wealth Strategies, LLC68$4.48K0.00%00.0%Unchanged
MV Capital Management, Inc.70$4.61K0.00%+1+1.4%Added
Elequin Capital LP75$4.94K0.00%−131−63.6%Reduced
Northwestern Mutual Wealth Management Co79$5.21K0.00%−464−85.5%Reduced
Farmers & Merchants Investments Inc91$6.00K0.00%00.0%Unchanged
Zions Bancorporation, National Association96$6.33K0.00%+77+405.3%Added
SMA Capital LLC99$6.53K0.00%+99New
Clearstead Advisors, LLC100$6.59K0.00%−570−85.1%Reduced
SBI Securities Co., Ltd.116$7.65K0.00%−102−46.8%Reduced
High Note Wealth, LLC118$7.78K0.00%00.0%Unchanged
GWM Advisors LLC119$7.84K0.00%00.0%Unchanged
Private Wealth Management Group, LLC119$7.84K0.00%00.0%Unchanged
Wolverine Asset Management LLC120$7.91K0.00%−5,380−97.8%Reduced
First Horizon Corp127$8.37K0.00%00.0%Unchanged
Versant Capital Management, Inc128$8.44K0.00%+86+204.8%Added
Sherman Asset Management, Inc.142$9.36K0.01%00.0%Unchanged
Meeder Asset Management Inc142$9.36K0.00%+101+246.3%Added
Smithfield Trust Co155$10.0K0.00%00.0%Unchanged
Twin Peaks Wealth Advisors, LLC152$10.0K0.00%+152New
Leonteq Securities AG160$10.5K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC164$11.0K0.00%00.0%Unchanged
Rakuten Securities, Inc.170$11.2K0.00%+120+240.0%Added
Basecamp Wealth Advisors LLC179$11.8K0.00%−43−19.4%Reduced
Optiver Holding B.V.185$12.2K0.00%−537−74.4%Reduced
Sankala Group LLC201$12.8K0.01%00.0%Unchanged
Danske Bank A/S200$13.2K0.00%−1,400−87.5%Reduced
Key Financial Inc200$13.2K0.00%00.0%Unchanged
MAI Capital Management201$13.2K0.00%+173+617.9%Added
Rothschild Investment LLC205$13.5K0.00%+18+9.6%Added
Tradewinds Capital Management, LLC215$14.2K0.00%00.0%Unchanged
NBC Securities, Inc.231$15.2K0.00%−2,053−89.9%Reduced
E Fund Management (Hong Kong) Co., Ltd.239$15.8K0.01%+239New
National Bank of Canada248$16.3K0.00%+9+3.8%Added
Parkside Financial Bank & Trust258$17.0K0.00%+5+2.0%Added
AdvisorNet Financial, Inc262$17.3K0.00%−49−15.8%Reduced
Brown Brothers Harriman & Co300$19.8K0.00%00.0%Unchanged
Huntington National Bank303$20.0K0.00%00.0%Unchanged
J.Safra Asset Management Corp309$20.4K0.00%−5,982−95.1%Reduced
Massmutual Trust Co FSB443$29.2K0.00%+6+1.4%Added
Allworth Financial LP482$31.8K0.00%+47+10.8%Added
IFP Advisors, Inc506$33.4K0.00%00.0%Unchanged
Advisory Services Network, LLC557$36.7K0.00%+557New
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.589$38.8K0.00%+500+561.8%Added
CWM, LLC639$42.1K0.00%+159+33.1%Added
Pinnacle Wealth Planning Services, Inc.713$47.0K0.00%−23−3.1%Reduced
Signaturefd, LLC888$58.5K0.00%+261+41.6%Added
Parallel Advisors, LLC919$60.6K0.00%+85+10.2%Added
Kemnay Advisory Services Inc.1,013$66.8K0.01%+585+136.7%Added
Bayforest Capital Ltd1,093$72.0K0.08%+1,093New
Farther Finance Advisors, LLC1,109$73.9K0.00%+2+0.2%Added
Los Angeles Capital Management LLC1,131$74.5K0.00%−5,040−81.7%Reduced
Smartleaf Asset Management LLC1,226$77.2K0.00%−232−15.9%Reduced
Covestor Ltd1,365$90.0K0.06%−606−30.7%Reduced
Lazard Asset Management LLC1,369$90.2K0.00%+1,369New
Root Financial Partners, LLC1,515$99.9K0.00%+61+4.2%Added
EverSource Wealth Advisors, LLC1,548$102.0K0.00%+549+55.0%Added
Larson Financial Group LLC1,806$119.0K0.00%−27−1.5%Reduced
Umb Bank N A1,920$126.5K0.00%+136+7.6%Added