Security key
14843C105
CASTLE BIOSCIENCES INC - Common Stock, $0.001 par value per share (CSTL)
CUSIP: 14843C105
Q4 2020 13F Holders as of 31 Dec 2020
- Security type / class
- Equity / Common Stock, $0.001 par value per share
- Total 13F shares
- 19,063,994
- Total 13F value
- $1,280,953,552
- Share change
- +5,379,506
- Put/Call ratio
- 37%
- SEC-reported price per share
- $67.15
- Number of holders
- 160
- Value change
- +$376,683,100
- Number of buys
- 98
- Number of sells
- 64
- 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
Q4 2020
Institutions
160
Top holders
10
CSTL full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2021
Previous quarter: Q3 2020
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 Sep 2020
13F
Lead comparable stake: 4.5%
Showing 1-6 of 15 holder rows.
Quick read
WASATCH ADVISORS LP leads the comparable SEC ownership view at 4.5%.
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.
Open SEC evidence
Opens WASATCH ADVISORS LP's linked filing trail.
Comparable ownership
Top 5
WASATCH ADVISORS LP
4.5%
BlackRock Finance, Inc.
3.3%
RTW INVESTMENTS, LP
2.5%
NEXPOINT ASSET MANAGEMENT, L.P.
2.3%
VANGUARD GROUP INC
2.2%
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
|
4.5%
|
$70,901,000
1,378,057 shares
|
— | 30 Sep 2020 |
| BlackRock Finance, Inc. |
13F
Company
|
3.3%
|
$51,433,000
999,662 shares
|
— | 30 Sep 2020 |
| RTW INVESTMENTS, LP |
13F
Company
|
2.5%
|
$38,260,000
743,642 shares
|
— | 30 Sep 2020 |
| NEXPOINT ASSET MANAGEMENT, L.P. |
13F
Company
|
2.3%
|
$36,377,000
707,032 shares
|
— | 30 Sep 2020 |
| VANGUARD GROUP INC |
13F
Company
|
2.2%
|
$33,651,000
654,059 shares
|
— | 30 Sep 2020 |
| WELLS FARGO & COMPANY/MN |
13F
Company
|
2%
|
$31,052,000
603,531 shares
|
— | 30 Sep 2020 |
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 Q4 2020
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
160
Shares
19,063,994
Rows available
160
| 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 Q4 2020 vs Q3 2020 Across Filers
Q3 2020 holders
144
Q4 2020 holders
160
Holder diff
16
| Investor | Q3 2020 Shares | Q4 2020 Shares | Share Diff | Share Chg % | Q3 2020 value | Q4 2020 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend