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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, Q4 2025

Institutional positions in Cytokinetics Inc as of Dec 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
431
+58 vs. Q3 2025
Shares held
139.5M
−1.24M (−0.9%) vs. Q3 2025
Total value
$8.87B
+$1.13B (+14.6%) vs. Q3 2025
New holders
106
143 more added
Sold out
48
134 more reduced

8 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 431 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 heldQ4 2025: $8.87B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Cytokinetics Inc; share changes are against Q3 2025.

Institutions holding CYTK in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Transamerica Financial Advisors, Inc.1$640.00%00.0%Unchanged
Harbour Investments, Inc.2$1270.00%+2New
TD Private Client Wealth LLC2$1270.00%+2New
ROSS\JOHNSON & Associates LLC2$1270.00%+2New
Dunhill Financial, LLC2$1490.00%+2New
Fortitude Family Office, LLC5$3180.00%−2−28.6%Reduced
Financial Management Professionals, Inc.5$3180.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd6$3810.00%−85−93.4%Reduced
Quaker Wealth Management, LLC8$5090.00%00.0%Unchanged
Global Retirement Partners, LLC9$5720.00%00.0%Unchanged
Prestige Wealth Management Group LLC9$5720.00%00.0%Unchanged
Trust Co10$6350.00%+10New
LRI Investments, LLC12$7620.00%+12New
Plante Moran Financial Advisors, LLC13$8260.00%+13New
South State Corp.15$9540.00%00.0%Unchanged
Avion Wealth30$1.00K0.00%−6−16.7%Reduced
True Wealth Design, LLC18$1.13K0.00%00.0%Unchanged
ORG Partners LLC19$1.21K0.00%+19New
Bellevue Asset Management, LLC19$1.21K0.00%00.0%Unchanged
Activest Wealth Management19$1.21K0.00%00.0%Unchanged
Zions Bancorporation, National Association19$1.21K0.00%+19New
Hughes Financial Services, LLC28$1.78K0.00%−4−12.5%Reduced
Annis Gardner Whiting Capital Advisors, LLC28$1.78K0.00%−45−61.6%Reduced
MAI Capital Management28$1.78K0.00%00.0%Unchanged
Keating Financial Advisory Services, Inc.31$1.97K0.00%+31New
Johnson Financial Group, Inc.35$2.22K0.00%−686−95.1%Reduced
Crewe Advisors LLC36$2.29K0.00%00.0%Unchanged
Bell Investment Advisors, Inc36$2.29K0.00%00.0%Unchanged
Cornerstone Financial Management LLC39$2.48K0.00%+39New
Meeder Asset Management Inc41$2.60K0.00%−3−6.8%Reduced
Versant Capital Management, Inc42$2.67K0.00%+42New
Rachor Investment Advisory Services, LLC44$2.80K0.00%+44New
Rakuten Securities, Inc.50$3.18K0.00%+50New
Bare Financial Services, Inc55$3.50K0.00%+55New
UMA Financial Services, Inc.57$3.62K0.00%+26+83.9%Added
Whittier Trust Co59$3.81K0.00%00.0%Unchanged
ZRC Wealth Management, LLC65$4.13K0.00%+65New
Dynamic Wealth Strategies, LLC68$4.32K0.00%00.0%Unchanged
MV Capital Management, Inc.69$4.38K0.00%00.0%Unchanged
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.89$5.49K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc91$5.78K0.00%00.0%Unchanged
High Note Wealth, LLC118$7.50K0.00%−13−9.9%Reduced
GWM Advisors LLC119$7.56K0.00%00.0%Unchanged
Private Wealth Management Group, LLC119$7.56K0.00%00.0%Unchanged
SJS Investment Consulting Inc.122$7.75K0.00%+120+6,000.0%Added
First Horizon Corp127$8.07K0.00%00.0%Unchanged
Sherman Asset Management, Inc.142$9.02K0.01%00.0%Unchanged
Quarry LP147$9.34K0.00%−402−73.2%Reduced
SageView Advisory Group, LLC150$9.53K0.00%+150New
Smithfield Trust Co155$10.0K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC164$10.0K0.00%00.0%Unchanged
Torren Management, LLC159$10.1K0.01%+159New
Leonteq Securities AG160$10.2K0.00%+160New
Elyxium Wealth, LLC166$10.5K0.00%+166New
Kayne Anderson Rudnick Investment Management LLC180$11.4K0.00%00.0%Unchanged
Rothschild Investment LLC187$11.9K0.00%+2+1.1%Added
Federation des caisses Desjardins du Quebec195$12.4K0.00%00.0%Unchanged
Sankala Group LLC201$12.5K0.01%+201New
Steward Partners Investment Advisory, LLC200$12.7K0.00%+200New
Key Financial Inc200$12.7K0.00%+200New
Elequin Capital LP206$13.1K0.00%+206New
Tradewinds Capital Management, LLC215$13.7K0.00%00.0%Unchanged
SBI Securities Co., Ltd.218$13.9K0.00%+115+111.7%Added
Basecamp Wealth Advisors LLC222$14.1K0.00%+222New
Cygnus Capital Advisors, LLC229$15.0K0.01%+229New
National Bank of Canada239$15.2K0.00%+239New
Parkside Financial Bank & Trust253$16.1K0.00%+38+17.7%Added
Migdal Insurance & Financial Holdings Ltd.284$18.0K0.00%+284New
Brown Brothers Harriman & Co300$19.1K0.00%+300New
Huntington National Bank303$19.3K0.00%+8+2.7%Added
AdvisorNet Financial, Inc311$19.8K0.00%+59+23.4%Added
Daiwa Securities Group Inc.351$22.0K0.00%−25−6.6%Reduced
Cullen/Frost Bankers, Inc.352$22.4K0.00%+89+33.8%Added
SRS Capital Advisors, Inc.370$23.5K0.00%+208+128.4%Added
Kemnay Advisory Services Inc.428$27.2K0.00%+428New
Allworth Financial LP435$27.6K0.00%+37+9.3%Added
Massmutual Trust Co FSB437$27.8K0.00%+100+29.7%Added
Kestra Advisory Services, LLC451$28.7K0.00%+451New
CWM, LLC480$30.0K0.00%−9−1.8%Reduced
TD Waterhouse Canada Inc.500$31.8K0.00%+500New
IFP Advisors, Inc506$32.2K0.00%+48+10.5%Added
Northwestern Mutual Wealth Management Co543$34.5K0.00%+171+46.0%Added
Signaturefd, LLC627$39.8K0.00%+56+9.8%Added
Rockefeller Capital Management L.P.641$40.7K0.00%+573+842.6%Added
Clearstead Advisors, LLC670$42.6K0.00%+330+97.1%Added
Optiver Holding B.V.722$45.9K0.00%−133−15.6%Reduced
Pinnacle Wealth Planning Services, Inc.736$46.8K0.00%+736New
Parallel Advisors, LLC834$53.0K0.00%+17+2.1%Added
EverSource Wealth Advisors, LLC999$63.5K0.00%+110+12.4%Added
Fifth Third Bancorp1,090$69.3K0.00%+18+1.7%Added
Farther Finance Advisors, LLC1,107$70.3K0.00%−8−0.7%Reduced
Alphadyne Asset Management LP1,233$78.3K0.01%+1,233New
Smartleaf Asset Management LLC1,458$89.5K0.00%+1,000+218.3%Added
Root Financial Partners, LLC1,454$92.4K0.00%00.0%Unchanged
Danske Bank A/S1,600$101.7K0.00%+300+23.1%Added
Umb Bank N A1,784$113.4K0.00%+22+1.2%Added
Larson Financial Group LLC1,833$116.5K0.00%−19−1.0%Reduced
Covestor Ltd1,971$125.0K0.07%−340−14.7%Reduced
Eurizon Capital SGR S.p.A.2,071$126.9K0.00%+2,071New
DV Trading LLC2,005$127.4K0.01%+2,005New