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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 482 | $13.7B |
| Q1 2026 | 441 | $9.63B |
| Q4 2025 | 431 | $8.87B |
| Q3 2025 | 381 | $7.75B |
| Q2 2025 | 312 | $4.55B |
| Q1 2025 | 356 | $5.48B |
| Q4 2024 | 347 | $6.18B |
| Q3 2024 | 348 | $7.20B |
| Q2 2024 | 344 | $7.34B |
| Q1 2024 | 390 | $8.26B |
| Q4 2023 | 347 | $9.54B |
| Q3 2023 | 251 | $3.22B |
| Q2 2023 | 253 | $3.55B |
| Q1 2023 | 263 | $3.83B |
| Q4 2022 | 278 | $4.88B |
| Q3 2022 | 276 | $5.08B |
| Q2 2022 | 263 | $4.16B |
| Q1 2022 | 240 | $3.52B |
| Q4 2021 | 250 | $4.16B |
| Q3 2021 | 211 | $3.22B |
| Q2 2021 | 191 | $1.50B |
| Q1 2021 | 193 | $1.74B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Cytokinetics Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Eurizon Capital SGR S.p.A. | 2,204 | $139.5K | 0.00% | +133+6.4% | Added |
| GAMMA Investing LLC | 2,221 | $146.4K | 0.01% | +165+8.0% | Added |
| GF Fund Management Co. Ltd. | 2,746 | $181.0K | 0.00% | +344+14.3% | Added |
| Rockefeller Capital Management L.P. | 2,869 | $189.1K | 0.00% | +2,228+347.6% | Added |
| Bessemer Group Inc | 2,968 | $196.0K | 0.00% | −39−1.3% | Reduced |
| Centiva Capital, LP | 3,000 | $197.7K | 0.01% | +3,000 | New |
| Sanctuary Advisors, LLC | 3,186 | $210.0K | 0.00% | −555−14.8% | Reduced |
| CIBC Asset Management Inc | 3,187 | $210.1K | 0.00% | 00.0% | Unchanged |
| GTS Securities LLC | 3,206 | $211.3K | 0.01% | +3,206 | New |
| Merit Financial Group, LLC | 3,220 | $212.2K | 0.00% | +3,220 | New |
| W.G. Shaheen & Associates DBA Whitney & Co | 3,240 | $213.5K | 0.02% | +3,240 | New |
| Journey Strategic Wealth LLC | 3,262 | $215.0K | 0.01% | +79+2.5% | Added |
| Shay Capital LLC | 3,275 | $215.9K | 0.03% | −311−8.7% | Reduced |
| Fifth Third Wealth Advisors LLC | 3,324 | $219.1K | 0.01% | +115+3.6% | Added |
| Blackstone Group Inc. | 3,374 | $222.4K | 0.00% | +3,374 | New |
| Sequoia Financial Advisors, LLC | 3,392 | $223.6K | 0.00% | +3,392 | New |
| Assetmark, Inc | 3,463 | $228.2K | 0.00% | +438+14.5% | Added |
| KBC Group NV | 3,470 | $229.0K | 0.00% | 00.0% | Unchanged |
| Wiley Bros.-Aintree Capital, LLC | 3,579 | $235.9K | 0.00% | −57−1.6% | Reduced |
| Meeder Advisory Services, Inc. | 3,619 | $238.5K | 0.01% | −190−5.0% | Reduced |
| Sterling Capital Management LLC | 3,640 | $239.9K | 0.00% | −2,502−40.7% | Reduced |
| MML Investors Services, LLC | 3,647 | $240.3K | 0.00% | −1,195−24.7% | Reduced |
| Everence Capital Management Inc | 3,853 | $254.0K | 0.02% | −227−5.6% | Reduced |
| Commerce Bank | 3,892 | $256.5K | 0.00% | −75−1.9% | Reduced |
| Oppenheimer & Co Inc | 3,908 | $257.6K | 0.00% | −14−0.4% | Reduced |
| Breakwater Capital Group | 3,941 | $259.8K | 0.03% | 00.0% | Unchanged |
| LVW Advisors, LLC | 3,982 | $262.5K | 0.03% | 00.0% | Unchanged |
| Evergreen Capital Management LLC | 4,020 | $265.0K | 0.01% | +619+18.2% | Added |
| Savant Capital, LLC | 4,034 | $265.9K | 0.00% | −70−1.7% | Reduced |
| Shelton Capital Management | 4,049 | $266.9K | 0.01% | 00.0% | Unchanged |
| US Bancorp | 4,050 | $266.9K | 0.00% | −870−17.7% | Reduced |
| Abel Hall, LLC | 4,050 | $266.9K | 0.06% | +384+10.5% | Added |
| Kestra Advisory Services, LLC | 4,115 | $271.2K | 0.00% | +3,664+812.4% | Added |
| Nomura Holdings Inc | 4,130 | $272.2K | 0.00% | −62,077−93.8% | Reduced |
| Fiduciary Trust Co | 4,228 | $278.7K | 0.00% | +979+30.1% | Added |
| LMR Partners LLP | 4,300 | $283.4K | 0.00% | +4,300 | New |
| Virtus Investment Advisers, Inc. | 4,303 | $283.6K | 0.08% | +56+1.3% | Added |
| AE Wealth Management LLC | 4,305 | $283.7K | 0.00% | +909+26.8% | Added |
| Captrust Financial Advisors | 4,364 | $287.6K | 0.00% | −285−6.1% | Reduced |
| Graham Capital Management, L.P. | 4,414 | $290.9K | 0.01% | +4,414 | New |
| Cim Investment Mangement Inc | 4,678 | $308.3K | 0.08% | +4,678 | New |
| Yorktown Management & Research Co Inc | 4,750 | $313.1K | 0.26% | +4,750 | New |
| Commonwealth Equity Services, LLC | 4,857 | $320.1K | 0.00% | +12+0.2% | Added |
| High Net Worth Advisory Group LLC | 5,000 | $329.6K | 0.08% | 00.0% | Unchanged |
| Encore Global Management, LP | 5,000 | $329.6K | 0.23% | +5,000 | New |
| Intrust Bank NA | 5,140 | $338.8K | 0.03% | −29−0.6% | Reduced |
| Jasper Ridge Partners, L.P. | 5,500 | $362.5K | 0.01% | 00.0% | Unchanged |
| O'Shaughnessy Asset Management, LLC | 5,591 | $368.5K | 0.00% | +584+11.7% | Added |
| AlphaCentric Advisors LLC | 5,616 | $370.2K | 0.37% | +305+5.7% | Added |
| Camden Capital, LLC | 5,889 | $388.1K | 0.03% | 00.0% | Unchanged |
| Capital International Sarl | 5,890 | $388.2K | 0.01% | +5,890 | New |
| Coldstream Capital Management Inc | 5,945 | $391.8K | 0.00% | +625+11.7% | Added |
| Sig Brokerage, LP | 6,011 | $396.2K | 0.11% | +6,011 | New |
| Cerity Partners LLC | 6,048 | $398.6K | 0.00% | −826−12.0% | Reduced |
| Jane Street Group, LLC | 6,097 | $401.9K | 0.00% | −278,028−97.9% | Reduced |
| First Bank & Trust | 6,394 | $421.4K | 0.07% | −13−0.2% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 6,424 | $423.4K | 0.00% | +483+8.1% | Added |
| Glenmede Trust Co NA | 6,663 | $439.2K | 0.00% | −6,107−47.8% | Reduced |
| Hantz Financial Services, Inc. | 6,973 | $460.0K | 0.01% | +129+1.9% | Added |
| Allspring Global Investments Holdings, LLC | 6,989 | $465.5K | 0.00% | +646+10.2% | Added |
| CI Private Wealth, LLC | 7,148 | $469.8K | 0.00% | +104+1.5% | Added |
| Ensign Peak Advisors, Inc | 7,296 | $480.9K | 0.00% | 00.0% | Unchanged |
| Swiss Life Asset Management Ltd | 7,306 | $481.5K | 0.00% | +2,164+42.1% | Added |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 7,388 | $486.9K | 0.71% | +2,908+64.9% | Added |
| Veracity Capital LLC | 7,414 | $488.7K | 0.17% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 7,548 | $497.5K | 0.00% | +7,353+3,770.8% | Added |
| VARCOV Co. | 7,805 | $514.4K | 0.19% | +1,792+29.8% | Added |
| CWM Advisors, LLC | 7,822 | $515.5K | 0.03% | +492+6.7% | Added |
| CenterBook Partners LP | 7,864 | $518.3K | 0.03% | +7,864 | New |
| Tema ETFs LLC | 8,162 | $538.0K | 0.04% | −5,116−38.5% | Reduced |
| Sectoral Asset Management Inc | 7,300 | $544.6K | 0.45% | +1,407+23.9% | Added |
| PSP Research LLC | 8,300 | $547.1K | 0.39% | −13−0.2% | Reduced |
| The PNC Financial Services Group, Inc. | 8,577 | $565.3K | 0.00% | +53+0.6% | Added |
| J. Safra Sarasin Holding AG | 8,634 | $569.1K | 0.01% | −14,736−63.1% | Reduced |
| Crossmark Global Holdings, Inc. | 8,648 | $570.0K | 0.01% | +486+6.0% | Added |
| Cetera Investment Advisers | 8,649 | $570.1K | 0.00% | −5,620−39.4% | Reduced |
| Allianz Asset Management GmbH | 8,696 | $573.2K | 0.00% | +1,455+20.1% | Added |
| Jones Financial Companies LLLP | 9,191 | $574.4K | 0.00% | +6,961+312.2% | Added |
| Qsemble Capital Management, LP | 8,810 | $580.7K | 0.04% | +250+2.9% | Added |
| Bellevue Group AG | 8,841 | $582.7K | 0.01% | −384−4.2% | Reduced |
| Brinker Capital Investments, LLC | 8,933 | $588.8K | 0.01% | −2,700−23.2% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 8,873 | $592.1K | 0.00% | −1,109−11.1% | Reduced |
| Carlson Capital L P | 9,000 | $593.2K | 0.23% | +3,400+60.7% | Added |
| Securian Asset Management, Inc | 9,012 | $594.0K | 0.02% | +102+1.1% | Added |
| FNY Investment Advisers, LLC | 9,030 | $595.0K | 0.26% | +3,770+71.7% | Added |
| E Fund Management Co., Ltd. | 9,150 | $603.1K | 0.02% | +9,150 | New |
| NVWM, LLC | 9,217 | $607.5K | 0.14% | +9,217 | New |
| Creek Drive Management Group LLC | 10,000 | $659.1K | 0.41% | 00.0% | Unchanged |
| CIBC Bancorp USA Inc. | 10,099 | $665.6K | 0.00% | +10,099 | New |
| Man Group plc | 10,463 | $689.6K | 0.00% | −1,124−9.7% | Reduced |
| Public Employees Retirement Association of Colorado | 10,552 | $695.0K | 0.00% | 00.0% | Unchanged |
| Skopos Labs, Inc. | 10,581 | $697.3K | 0.02% | +15+0.1% | Added |
| Harvest Management LLC | 11,000 | $725.0K | 0.39% | −2,600−19.1% | Reduced |
| M&T Bank Corp | 11,126 | $733.3K | 0.00% | −74−0.7% | Reduced |
| Marex Group plc | 11,301 | $744.8K | 0.01% | +3,299+41.2% | Added |
| Legato Capital Management LLC | 11,334 | $747.0K | 0.07% | −20,614−64.5% | Reduced |
| Gallagher Fiduciary Advisors, LLC | 11,577 | $763.0K | 0.03% | −1,396−10.8% | Reduced |
| Nisa Investment Advisors, LLC | 11,969 | $788.9K | 0.00% | +506+4.4% | Added |
| J. Goldman & Co LP | 12,007 | $791.4K | 0.04% | −5,638−32.0% | Reduced |
| State of Alaska, Department of Revenue | 12,345 | $813.0K | 0.01% | +400+3.3% | Added |