Security key
14843C105
CASTLE BIOSCIENCES INC - Common Stock, $0.001 par value per share (CSTL)
CUSIP: 14843C105
Q3 2023 13F Holders as of 30 Sep 2023
- Security type / class
- Equity / Common Stock, $0.001 par value per share
- Total 13F shares
- 23,151,664
- Total 13F value
- $391,032,725
- Share change
- +311,583
- Put/Call ratio
- 42%
- SEC-reported price per share
- $16.89
- Number of holders
- 133
- Value change
- +$7,780,165
- Number of buys
- 72
- Number of sells
- 55
- Shares outstanding
- 30,343,438
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2023
Institutions
133
Top holders
10
CSTL full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2023
Previous quarter: Q2 2023
CASTLE BIOSCIENCES INC SEC filings
CASTLE BIOSCIENCES INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 14843C105
Recent filing periods:
Ownership snapshot
Top reported holders of CSTL - CASTLE BIOSCIENCES INC - Common Stock, $0.001 par value per share (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
WASATCH ADVISORS LP
Disclosed value leader
WASATCH ADVISORS LP
Comparable rows
15/15
Latest evidence
30 Jun 2023
13F
Lead comparable stake: 10%
Showing 1-6 of 15 holder rows.
Quick read
WASATCH ADVISORS LP leads the comparable SEC ownership view at 10%.
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 WASATCH ADVISORS LP's linked filing trail.
Comparable ownership
Top 5
WASATCH ADVISORS LP
10%
Granahan Investment Management, LLC
8.3%
BlackRock Finance, Inc.
7%
VANGUARD GROUP INC
4.7%
PRINCIPAL FINANCIAL GROUP INC
4.5%
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 |
|---|---|---|---|---|---|
| WASATCH ADVISORS LP |
13F
Company
|
10%
|
$42,353,654
3,087,001 shares
|
— | 30 Jun 2023 |
| Granahan Investment Management, LLC |
13F
Company
|
8.3%
|
$34,703,793
2,529,431 shares
|
— | 30 Jun 2023 |
| BlackRock Finance, Inc. |
13F
Company
|
7%
|
$29,246,923
2,131,700 shares
|
— | 30 Jun 2023 |
| VANGUARD GROUP INC |
13F
Company
|
4.7%
|
$19,584,217
1,427,421 shares
|
— | 30 Jun 2023 |
| PRINCIPAL FINANCIAL GROUP INC |
13F
Company
|
4.5%
|
$18,659,214
1,360,001 shares
|
— | 30 Jun 2023 |
| Bellevue Group AG |
13F
Company
|
3.7%
|
$15,421,870
1,124,043 shares
|
— | 30 Jun 2023 |
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 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
133
Shares
23,151,664
Rows available
133
| 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 2023 vs Q2 2023 Across Filers
Q2 2023 holders
128
Q3 2023 holders
133
Holder diff
5
| Investor | Q2 2023 Shares | Q3 2023 Shares | Share Diff | Share Chg % | Q2 2023 value | Q3 2023 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend