Security key
23282W605
- Security type / class
- Equity / COMMON STOCK
- Shares outstanding
- 123,724,358
- Total 13F shares
- 140,922,555
- Share change
- +3,340,798
- Total reported value
- $7,744,502,918
- Put/Call ratio
- 22%
- Reported price per share
- $54.96
- Number of holders
- 379
- Value change
- +$248,284,955
- Number of buys
- 223
- Number of sells
- 127
Security identity
2 facts
Holder snapshot
9 facts
Report period
Q3 2025
Institutions
379
Top holders
10
CYTK full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2025
Previous quarter: Q2 2025
CYTOKINETICS INC SEC filings
CYTOKINETICS INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 23282W605
Recent filing periods:
Ownership snapshot
Top reported holders of CYTK - CYTOKINETICS INC - COMMON STOCK (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Lead holder
STATE STREET CORP
13D/G signal
STATE STREET CORP
Evidence rows
15
Latest as of
30 Sep 2025
13D/G
13F
Lead comparable stake: 4.7%
13D/G row: STATE STREET CORP
Showing 1-6 of 15 holder rows.
Rank 1 holder
STATE STREET CORP
13D/G
13F
- Ownership
- 4.7%
- Position
- $308.73M
Rank 2 holder
T. Rowe Price Investment Management, Inc.
13F
- Ownership
- 14%
- Position
- $581.58M
Rank 3 holder
BlackRock, Inc.
13F
- Ownership
- 13%
- Position
- $518M
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| STATE STREET CORP |
13D/G
13F
STATE STREET CORPORATION · Company
|
4.7%
|
$308,728,677
5,617,334 shares
|
$0 | 30 Sep 2025 |
| T. Rowe Price Investment Management, Inc. |
13F
Company
|
14%
|
$581,585,000
17,602,440 shares
|
— | 30 Jun 2025 |
| BlackRock, Inc. |
13F
Company
|
13%
|
$517,996,726
15,677,867 shares
|
— | 30 Jun 2025 |
| VANGUARD GROUP INC |
13F
Company
|
9.7%
|
$395,946,007
11,983,838 shares
|
— | 30 Jun 2025 |
| FMR LLC |
13F
Company
|
9.1%
|
$372,278,580
11,267,511 shares
|
— | 30 Jun 2025 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
Company
|
6.3%
|
$258,626,514
7,827,679 shares
|
— | 30 Jun 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
379
Shares
140,922,555
Rows available
379
| Investor | Option | Weight % | Change % | Reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that failed the local validity check.
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
308
Q3 2025 holders
379
Holder diff
71
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend