Security key
23282W605
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 338,219
- Total 13F value
- $22,246,304
- Share change
- -6,226
- SEC-reported price per share
- $65.91
- Number of holders
- 27
- Value change
- -$1,517,275
- Number of buys
- 18
- Number of sells
- 11
- Shares outstanding
- 139,543,608
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2026
Institutions
27
Top holders
10
CYTK full security history
Ownership snapshot
Full 13F holder table
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.
Comparable stake leader
T. Rowe Price Investment ...
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
30 Jun 2026
13F
13D/G
Lead comparable stake: 14%
13D/G row: T. Rowe Price Investment Management, Inc.
Showing 1-6 of 15 holder rows.
Quick read
T. Rowe Price Investment Management, Inc. leads the comparable SEC ownership view at 14%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens T. Rowe Price Investment Management, Inc.'s linked filing trail.
Comparable ownership
Top 5
T. Rowe Price Investment Manageme...
14%
VANGUARD CAPITAL MANAGEMENT LLC
5.2%
WELLINGTON MANAGEMENT GROUP LLP
5.1%
STATE STREET CORP
4.7%
FMR LLC
3.9%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. |
13F
13D/G
Company
|
14%
from 13D/G
|
$1,594,629,000
18,718,498 shares
|
— | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
13D/G
Company · Vanguard Capital Management
|
5.2%
from 13D/G
|
$521,151,103
6,117,515 shares
|
— | 30 Jun 2026 |
| WELLINGTON MANAGEMENT GROUP LLP |
13D/G
13F
Company
|
5.1%
|
$608,978,073
7,116,724 shares
|
$0 | 30 Jun 2026 |
| STATE STREET CORP |
13F
13D/G
Company · STATE STREET CORPORATION
|
4.7%
from 13D/G
|
$553,243,709
6,494,233 shares
|
— | 30 Jun 2026 |
| FMR LLC |
13D/G
13F
Company
|
3.9%
|
$447,127,030
5,248,580 shares
|
-$501,481,150 | 30 Jun 2026 |
| BlackRock, Inc. |
13F
Company
|
14%
|
$1,711,838,738
20,094,362 shares
|
— | 30 Jun 2026 |
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 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
27
Shares
338,219
Rows available
27
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-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 did not pass the local price check.
Compare Q3 2026 vs Q2 2026 Across Filers
Q2 2026 holders
480
Q3 2026 holders
27
Holder diff
-453
| Investor | Q2 2026 Shares | Q3 2026 Shares | Share Diff | Share Chg % | Q2 2026 value | Q3 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend