CYTOKINETICS INC (CYTK): Institutional Ownership
Hedge funds and institutional managers reporting a position in CYTK · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
18
13F filers
Aggregate Value
$223.0M
Across holders
Last Price
$82.19
2026-06-26
Sector
Health Care
GICS
Holder activity3 new8 added6 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 779K | $51.4M | 23.0% | 0.1% | Added | +$16.0M | Q1 2026 |
| Fisher Asset Management, LLC CIK 0000850529 | Institutional Manager | 768K | $50.6M | 22.7% | 0.0% | Reduced | $-3.6M | Q1 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 375K | $24.7M | 11.1% | 0.0% | Added | +$1.3M | Q1 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 285K | $18.8M | 8.4% | 0.0% | Added | +$724K | Q1 2026 |
| Pentwater Capital Management LP CIK 0001425851 | Hedge Fund | 300K | $16.5M | 7.4% | 0.1% | New | — | Q3 2025 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 172K | $10.9M | 4.9% | 0.0% | Reduced | $-7.5M | Q4 2025 |
| Hudson Bay Capital Management LP CIK 0001393825 | Hedge Fund | 161K | $10.6M | 4.8% | 0.0% | Added | +$10.6M | Q1 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 156K | $10.3M | 4.6% | 0.0% | Added | +$10.3M | Q1 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 106K | $7.0M | 3.1% | 0.0% | Reduced | $-16.7M | Q1 2026 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 102K | $6.7M | 3.0% | 0.0% | New | — | Q1 2026 |
| ExodusPoint Capital Management, LP CIK 0001736225 | Hedge Fund | 52K | $3.4M | 1.5% | 0.0% | Reduced | $-19.2M | Q1 2026 |
| Brevan Howard Capital Management LP CIK 0001512857 | Hedge Fund | 43K | $2.8M | 1.3% | 0.0% | Added | +$2.6M | Q1 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 39K | $2.6M | 1.2% | 0.0% | Added | +$1.8M | Q1 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 0001165408 | Hedge Fund | 38K | $2.1M | 0.9% | 0.0% | New | — | Q3 2025 |
| Walleye Capital LLC CIK 0001758720 | Hedge Fund | 26K | $1.7M | 0.8% | 0.0% | Added | +$547K | Q1 2026 |
| MOORE CAPITAL MANAGEMENT, LP CIK 0001448574 | Hedge Fund | 25K | $1.6M | 0.7% | 0.0% | Unchanged | +$0 | Q1 2026 |
| Man Group plc CIK 0001637460 | Hedge Fund | 10K | $690K | 0.3% | 0.0% | Reduced | $-74K | Q1 2026 |
| TUDOR INVESTMENT CORP ET AL CIK 0000923093 | Hedge Fund | 7K | $475K | 0.2% | 0.0% | Reduced | $-349K | Q1 2026 |
Added
Hedge Fund
$51.4M· 23.0% of total· 0.1% port· 779K sh· +$16.0M QoQ· Q1 2026
Reduced
Institutional Manager
$50.6M· 22.7% of total· 0.0% port· 768K sh· $-3.6M QoQ· Q1 2026
Added
Hedge Fund
$24.7M· 11.1% of total· 0.0% port· 375K sh· +$1.3M QoQ· Q1 2026
Added
Hedge Fund
$18.8M· 8.4% of total· 0.0% port· 285K sh· +$724K QoQ· Q1 2026
New
Hedge Fund
$16.5M· 7.4% of total· 0.1% port· 300K sh· — QoQ· Q3 2025
Reduced
Hedge Fund
$10.9M· 4.9% of total· 0.0% port· 172K sh· $-7.5M QoQ· Q4 2025
Added
Hedge Fund
$10.6M· 4.8% of total· 0.0% port· 161K sh· +$10.6M QoQ· Q1 2026
Added
Hedge Fund
$10.3M· 4.6% of total· 0.0% port· 156K sh· +$10.3M QoQ· Q1 2026
Reduced
Hedge Fund
$7.0M· 3.1% of total· 0.0% port· 106K sh· $-16.7M QoQ· Q1 2026
New
Hedge Fund
$6.7M· 3.0% of total· 0.0% port· 102K sh· — QoQ· Q1 2026
Reduced
Hedge Fund
$3.4M· 1.5% of total· 0.0% port· 52K sh· $-19.2M QoQ· Q1 2026
Added
Hedge Fund
$2.8M· 1.3% of total· 0.0% port· 43K sh· +$2.6M QoQ· Q1 2026
Added
Hedge Fund
$2.6M· 1.2% of total· 0.0% port· 39K sh· +$1.8M QoQ· Q1 2026
New
Hedge Fund
$2.1M· 0.9% of total· 0.0% port· 38K sh· — QoQ· Q3 2025
Added
Hedge Fund
$1.7M· 0.8% of total· 0.0% port· 26K sh· +$547K QoQ· Q1 2026
Unchanged
Hedge Fund
$1.6M· 0.7% of total· 0.0% port· 25K sh· +$0 QoQ· Q1 2026
Reduced
Hedge Fund
$690K· 0.3% of total· 0.0% port· 10K sh· $-74K QoQ· Q1 2026
Reduced
Hedge Fund
$475K· 0.2% of total· 0.0% port· 7K sh· $-349K QoQ· Q1 2026