Institutional Ownership Cytokinetics Inc (CYTK)
This table provides information about the institutional ownership of Cytokinetics Inc (CYTK). We have compiled data on the 448 institutions that hold shares in the stock, with a total of 129 Million shares, which have been reported (via 13F filing form) to have a value of $8.59 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Nuveen, LLC
Charlotte, NC |
Nov 12, 2025 Q3 2025 |
370,915
shares
|
$24.6 Million
0.01% of portfolio
|
Q3 2025
Added 20.62%
|
|
|
Putnam Investments LLC
Boston, MA |
Feb 14, 2024 Q4 2023 |
365,335
shares
|
$24.3 Million
0.04% of portfolio
|
Q4 2023
Added 67.7%
|
|
|
E. Ohman J:Or Asset Management Ab
Stockholm, V7 |
Jan 12, 2026 Q4 2025 |
362,962
shares
|
$24.1 Million
0.54% of portfolio
|
Q4 2025
Reduced 10.83%
|
|
|
Groupama Asset Managment
Paris, I0 |
Dec 01, 2025 Q3 2025 |
350,000
shares
|
$23.3 Million
0.01% of portfolio
|
Q4 2024
New holding
|
|
|
Affinity Asset Advisors, LLC
New York, NY |
Nov 13, 2025 Q3 2025 |
350,000
shares
|
$23.3 Million
2.23% of portfolio
|
Q3 2025
New holding
|
|
|
Israel Englander
Millennium Management LLC | New York, Ny
|
Nov 14, 2025 Q3 2025 |
342,533
shares
|
$22.8 Million
0.01% of portfolio
|
Q3 2025
Reduced 25.32%
|
|
|
Pentwater Capital Management LP
Naples, FL |
Nov 14, 2025 Q3 2025 |
300,000
shares
|
$19.9 Million
0.1% of portfolio
|
Q2 2025
Added 36.36%
|
|
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
Nov 13, 2025 Q3 2025 |
289,967
shares
|
$19.3 Million
0.02% of portfolio
|
Q3 2025
Added 2752.04%
|
|
|
Susquehanna Portfolio Strategies, LLC
Bala Cynwyd, PA |
Nov 14, 2025 Q3 2025 |
278,429
shares
|
$18.5 Million
0.24% of portfolio
|
Q3 2025
Added 5.33%
|
|
|
Quinn Opportunity Partners LLC
Charlottesville, VA |
Nov 13, 2025 Q3 2025 |
273,661
shares
|
$18.2 Million
1.17% of portfolio
|
Q3 2025
Added 40.38%
|
|
|
Rhenman & Partners Asset Management Ab
Stockholm, V7 |
Nov 13, 2025 Q3 2025 |
255,250
shares
|
$17 Million
1.64% of portfolio
|
Q3 2025
Added 144.84%
|
|
|
First Turn Management, LLC
Del Mar, CA |
Nov 14, 2025 Q3 2025 |
254,795
shares
|
$16.9 Million
2.1% of portfolio
|
Q3 2025
New holding
|
|
|
Ubs Asset Management Americas Inc
Chicago, IL |
Nov 14, 2025 Q3 2025 |
238,382
shares
|
$15.8 Million
0.0% of portfolio
|
Q3 2025
Reduced 42.73%
|
|
|
Alliancebernstein L.P.
New York, NY |
Nov 14, 2025 Q3 2025 |
235,416
shares
|
$15.6 Million
0.0% of portfolio
|
Q3 2025
Reduced 83.01%
|
|
|
Handelsbanken Fonder Ab
|
Nov 12, 2025 Q3 2025 |
234,500
shares
|
$15.6 Million
0.04% of portfolio
|
Q3 2025
Added 626.01%
|
|
|
Ikarian Capital, LLC
Dallas, TX |
Nov 14, 2025 Q3 2025 |
222,674
shares
|
$14.8 Million
1.91% of portfolio
|
Q3 2025
Reduced 4.62%
|
|
|
Swiss National Bank
Zurich, V8 |
Nov 13, 2025 Q3 2025 |
219,900
shares
|
$14.6 Million
0.01% of portfolio
|
Q3 2025
Added 1.24%
|
|
|
Tekla Capital Management LLC
|
Aug 10, 2023 Q2 2023 |
219,025
shares
|
$14.6 Million
0.28% of portfolio
|
Q1 2023
Added 191.49%
|
|
|
Silverarc Capital Management, LLC
|
Nov 12, 2025 Q3 2025 |
211,000
shares
|
$14 Million
2.39% of portfolio
|
Q3 2025
New holding
|
|
|
Segantii Capital Management LTD
|
May 14, 2024 Q1 2024 |
210,000
shares
|
$14 Million
1.82% of portfolio
|
Q1 2024
New holding
|
|
|
Pinnacle Associates LTD
|
Nov 12, 2025 Q3 2025 |
201,490
shares
|
$13.4 Million
0.15% of portfolio
|
Q3 2025
Reduced 3.37%
|
|
|
Mirador Capital Partners LP
|
Jan 14, 2026 Q4 2025 |
198,558
shares
|
$13.2 Million
1.86% of portfolio
|
Q4 2025
Added 0.6%
|
|
|
Manufacturers Life Insurance Company, The
Toronto, A6 |
Nov 14, 2025 Q3 2025 |
191,897
shares
|
$12.7 Million
0.01% of portfolio
|
Q3 2025
Added 9.48%
|
|
|
Group One Trading, L.P.
Chicago, IL |
Nov 12, 2025 Q3 2025 |
187,969
shares
|
$12.5 Million
0.37% of portfolio
|
Q3 2025
Reduced 43.6%
|
|
|
Schroder Investment Management Group
London, X0 |
Nov 12, 2025 Q3 2025 |
186,883
shares
|
$12.4 Million
0.01% of portfolio
|
Q3 2025
Reduced 39.89%
|
|