SOUTH SAN FRANCISCO, CA
CYTOKINETICS INCCYTK— Latest position per institution from SEC 13F filings
15
Institutional holders
127.87M
Total shares held
6.94B
Estimated value
6.39M
Avg. position size
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.
CIK 1897612
Shares
17.52M
Value
1.15M
Filed
Mar 31, 2026
BLACKROCK, INC.
CIK 2012383
Shares
16.55M
Value
1.09B
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
14.67M
Value
794.97M
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
12.05M
Value
765.54M
Filed
Dec 31, 2025
FMR LLC
CIK 315066
Shares
10.72M
Value
706.76M
Filed
Mar 31, 2026
WELLINGTON MANAGEMENT GROUP LLP
CIK 902219
Shares
8.01M
Value
527.91M
Filed
Mar 31, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
5.84M
Value
385.16M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
5.75M
Value
378.67M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
5.49M
Value
361.76M
Filed
Mar 31, 2026
DARWIN GLOBAL MANAGEMENT, LTD.
CIK 1839209
Shares
4.58M
Value
246.07M
Filed
Jun 30, 2024
AVORO CAPITAL ADVISORS LLC
CIK 1633313
Shares
3.33M
Value
219.70M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
3.22M
Value
211.97M
Filed
Mar 31, 2026
BANK OF AMERICA CORP /DE/
CIK 70858
Shares
3.13M
Value
206M
Filed
Mar 31, 2026
RTW INVESTMENTS, LP
CIK 1493215
Shares
2.72M
Value
179.35M
Filed
Mar 31, 2026
ARMISTICE CAPITAL, LLC
CIK 1601086
Shares
2.66M
Value
175.62M
Filed
Mar 31, 2026
INTEGRAL HEALTH ASSET MANAGEMENT, LLC
CIK 1773206
Shares
2.60M
Value
171.37M
Filed
Mar 31, 2026
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
2.46M
Value
161.86M
Filed
Mar 31, 2026
PICTET ASSET MANAGEMENT SA
CIK 1361570
Shares
2.25M
Value
73.47M
Filed
Jun 30, 2023
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
2.22M
Value
146.50M
Filed
Mar 31, 2026
UBS GROUP AG
CIK 1610520
Shares
2.10M
Value
138.55M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 1897612 | 17.52M | 1.15M | Mar 31, 2026 |
| 2 | BLACKROCK, INC. | 2012383 | 16.55M | 1.09B | Mar 31, 2026 |
| 3 | BLACKROCK FINANCE, INC. | 1364742 | 14.67M | 794.97M | Jun 30, 2024 |
| 4 | VANGUARD GROUP INC | 102909 | 12.05M | 765.54M | Dec 31, 2025 |
| 5 | FMR LLC | 315066 | 10.72M | 706.76M | Mar 31, 2026 |
| 6 | WELLINGTON MANAGEMENT GROUP LLP | 902219 | 8.01M | 527.91M | Mar 31, 2026 |
| 7 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 5.84M | 385.16M | Mar 31, 2026 |
| 8 | STATE STREET CORP | 93751 | 5.75M | 378.67M | Mar 31, 2026 |
| 9 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 5.49M | 361.76M | Mar 31, 2026 |
| 10 | DARWIN GLOBAL MANAGEMENT, LTD. | 1839209 | 4.58M | 246.07M | Jun 30, 2024 |
| 11 | AVORO CAPITAL ADVISORS LLC | 1633313 | 3.33M | 219.70M | Mar 31, 2026 |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 3.22M | 211.97M | Mar 31, 2026 |
| 13 | BANK OF AMERICA CORP /DE/ | 70858 | 3.13M | 206M | Mar 31, 2026 |
| 14 | RTW INVESTMENTS, LP | 1493215 | 2.72M | 179.35M | Mar 31, 2026 |
| 15 | ARMISTICE CAPITAL, LLC | 1601086 | 2.66M | 175.62M | Mar 31, 2026 |
| 16 | INTEGRAL HEALTH ASSET MANAGEMENT, LLC | 1773206 | 2.60M | 171.37M | Mar 31, 2026 |
| 17 | GOLDMAN SACHS GROUP INC | 886982 | 2.46M | 161.86M | Mar 31, 2026 |
| 18 | PICTET ASSET MANAGEMENT SA | 1361570 | 2.25M | 73.47M | Jun 30, 2023 |
| 19 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 2.22M | 146.50M | Mar 31, 2026 |
| 20 | UBS GROUP AG | 1610520 | 2.10M | 138.55M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.