CYTOKINETICS INC (CYTK) Institutional Ownership Changes & 13F Activity
CYTOKINETICS INC (CYTK). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Avoro Capital Advisors Llc, Bank Of America Corp, Invesco Ltd., T. Rowe Price Investment Management, Inc., and Holocene Advisors, Lp.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Cim Investment Management Inc | Buy | +979 | +20.9% | 5,657 | $481.92K | Q2 2026 | Sep 29, 2026 |
| Envestnet Asset Management Inc | Buy | +53,984 | +156.3% | 88,521 | $7.54M | Q2 2026 | Sep 23, 2026 |
| State Street Corp | Buy | +749,040 | +13.0% | 6,494,233 | $553.24M | Q2 2026 | Sep 22, 2026 |
| Manufacturers Life Insurance Company, The | Sell | -10,647 | -6.4% | 156,477 | $13.33M | Q2 2026 | Sep 09, 2026 |
| Citadel Advisors Llc | Sell | -458,913 | -41.7% | 640,945 | $54.60M | Q2 2026 | Sep 02, 2026 |
| Allianz Asset Management Gmbh | Buy | +4,561 | +52.4% | 13,257 | $1.13M | Q2 2026 | Sep 02, 2026 |
| Corient Private Wealth Llc | Sell | -1,987 | -27.8% | 5,161 | $439.67K | Q2 2026 | Aug 27, 2026 |
| California State Teachers Retirement System | Sell | -8,630 | -6.3% | 127,969 | $10.90M | Q2 2026 | Aug 24, 2026 |
| Harvey Capital Management Inc | Buy | +18,980 | +38.5% | 68,275 | $5.82M | Q2 2026 | Aug 21, 2026 |
| Seven Fleet Capital Management Lp | Buy | +56,971 | +93.0% | 118,240 | $10.07M | Q2 2026 | Aug 17, 2026 |
| Transamerica Financial Advisors, Llc | Sell | -1 | -11.1% | 8 | $681.00 | Q2 2026 | Aug 17, 2026 |
| Avoro Capital Advisors Llc | Buy | +1,666,666 | +50.0% | 4,999,999 | $425.95M | Q2 2026 | Aug 14, 2026 |
| Bank Of America Corp | Buy | +1,510,273 | +48.3% | 4,635,709 | $394.92M | Q2 2026 | Aug 14, 2026 |
| Invesco Ltd. | Buy | +1,235,323 | — | 1,235,323 | $105.24M | Q2 2026 | Aug 14, 2026 |
| T. Rowe Price Investment Management, Inc. | Buy | +1,194,658 | +6.8% | 18,718,498 | $1.59B | Q2 2026 | Aug 14, 2026 |
| Holocene Advisors, Lp | Buy | +1,144,579 | — | 1,144,579 | $97.51M | Q2 2026 | Aug 14, 2026 |
| Wellington Management Group Llp | Sell | -1,077,719 | -13.5% | 6,931,770 | $590.52M | Q2 2026 | Aug 14, 2026 |
| Point72 Asset Management, L.P. | Buy | +961,610 | +153.6% | 1,587,712 | $135.26M | Q2 2026 | Aug 14, 2026 |
| Nomura Asset Management International Inc. | Buy | +913,332 | +1883.8% | 961,815 | $81.94M | Q2 2026 | Aug 14, 2026 |
| Deep Track Capital, Lp | Sell | -674,320 | -49.1% | 700,000 | $59.63M | Q2 2026 | Aug 14, 2026 |
| Susquehanna International Group, Llp | Buy | +650,507 | +72.4% | 1,549,458 | $132.00M | Q2 2026 | Aug 14, 2026 |
| Polar Capital Holdings Plc | Buy | +592,401 | +35.7% | 2,253,649 | $191.99M | Q2 2026 | Aug 14, 2026 |
| Hood River Capital Management Llc | Buy | +469,273 | — | 469,273 | $39.98M | Q2 2026 | Aug 14, 2026 |
| Ameriprise Financial Inc | Buy | +454,851 | — | 454,851 | $38.75M | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Sell | -444,170 | -20.1% | 1,761,588 | $150.07M | Q2 2026 | Aug 14, 2026 |
| Armistice Capital, Llc | Buy | +436,804 | +57.1% | 1,201,342 | $102.34M | Q2 2026 | Aug 14, 2026 |
| Price T Rowe Associates Inc | Buy | +374,625 | +23.6% | 1,958,946 | $166.88M | Q2 2026 | Aug 14, 2026 |
| D. E. Shaw & Co., Inc. | Buy | +341,472 | +48.3% | 1,048,103 | $89.29M | Q2 2026 | Aug 14, 2026 |
| Checkpoint Capital L.P. | Buy | +295,000 | +163.9% | 475,000 | $40.47M | Q2 2026 | Aug 14, 2026 |
| Balyasny Asset Management L.P. | Sell | -280,869 | -28.3% | 711,676 | $60.63M | Q2 2026 | Aug 14, 2026 |
Frequently asked questions about CYTK activity
Which institutional owners are buying CYTK?
Institutional owners buying CYTK include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in CYTK activity?
"Buy" means an investor increased their reported position in CYTK compared to the prior reporting period. This reflects growing exposure to CYTOKINETICS INC (CYTK) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in CYTK increasing?
Institutional interest in CYTK can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related CYTK Institutional Insights
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- CYTK Insider Trading & SEC Form 4 Activity
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