Security key
14843C105
CASTLE BIOSCIENCES INC - Common Stock, $0.001 par value per share (CSTL)
CUSIP: 14843C105
Q1 2024 13F Holders as of 31 Mar 2024
- Security type / class
- Equity / Common Stock, $0.001 par value per share
- Total 13F shares
- 24,977,542
- Total 13F value
- $553,239,171
- Share change
- +1,109,544
- Put/Call ratio
- 182%
- SEC-reported price per share
- $22.15
- Number of holders
- 148
- Value change
- +$24,692,740
- Number of buys
- 67
- Number of sells
- 71
- Shares outstanding
- 30,343,438
Holder snapshot
7 facts
Show 1 more fact
Security identity
1 fact
Report period
Q1 2024
Institutions
148
Top holders
10
CSTL full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2024
Previous quarter: Q4 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
31 Dec 2023
13F
Lead comparable stake: 8.5%
Showing 1-6 of 15 holder rows.
Quick read
WASATCH ADVISORS LP leads the comparable SEC ownership view at 8.5%.
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.
Comparable ownership
Top 5
WASATCH ADVISORS LP
8.5%
BlackRock Finance, Inc.
7.5%
Granahan Investment Management, LLC
7.1%
PRINCIPAL FINANCIAL GROUP INC
5.2%
VANGUARD GROUP INC
4.8%
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
|
8.5%
|
$55,912,723
2,590,951 shares
|
— | 31 Dec 2023 |
| BlackRock Finance, Inc. |
13F
Company
|
7.5%
|
$49,271,436
2,283,199 shares
|
— | 31 Dec 2023 |
| Granahan Investment Management, LLC |
13F
Company
|
7.1%
|
$46,752,444
2,166,471 shares
|
— | 31 Dec 2023 |
| PRINCIPAL FINANCIAL GROUP INC |
13F
Company
|
5.2%
|
$34,218,823
1,585,673 shares
|
— | 31 Dec 2023 |
| VANGUARD GROUP INC |
13F
Company
|
4.8%
|
$31,538,760
1,461,481 shares
|
— | 31 Dec 2023 |
| Bellevue Group AG |
13F
Company
|
4.1%
|
$26,594,717
1,232,378 shares
|
— | 31 Dec 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 Q1 2024
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
148
Shares
24,977,542
Rows available
148
| 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 Q1 2024 vs Q4 2023 Across Filers
Q4 2023 holders
150
Q1 2024 holders
148
Holder diff
-2
| Investor | Q4 2023 Shares | Q1 2024 Shares | Share Diff | Share Chg % | Q4 2023 value | Q1 2024 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend