CASTLE BIOSCIENCES INC - Common Stock, $0.001 par value per share (CSTL)

Q: What does CUSIP 14843C105 represent in this 13F holders report?

CUSIP 14843C105 is the security identifier for CSTL - CASTLE BIOSCIENCES INC - Common Stock, $0.001 par value per share used to aggregate holder disclosures.

Q: How many institutions held CSTL - CASTLE BIOSCIENCES INC - Common Stock, $0.001 par value per share in Q3 2019?

56 institutional investors reported CSTL - CASTLE BIOSCIENCES INC - Common Stock, $0.001 par value per share for Q3 2019. Use the holders table for investor-level position and value details.

CUSIP: 14843C105

Q3 2019 13F Holders as of 30 Sep 2019

Type / Class: Equity / Common Stock, $0.001 par value per share
Shares outstanding: 30,343,438
Total 13F shares: 4,868,946
Share change: +3,837,951
Total reported value: $88,077,000
Price per share: $18.09
Number of holders: 56
Value change: +$69,427,000
Number of buys: 55

Quarterly Holders Quick Answers

What is CUSIP 14843C105?
CUSIP 14843C105 identifies CSTL - CASTLE BIOSCIENCES INC - Common Stock, $0.001 par value per share in SEC institutional holdings data.

Need full ownership history?
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Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q4 2019

Recent filing periods for CUSIP 14843C105:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders 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. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

No top shareholder records were found across 13F, 13D/G, and Forms 3/4/5 for this issuer.

Institutional Holders of CASTLE BIOSCIENCES INC - Common Stock, $0.001 par value per share (CSTL) as of Q3 2019

As of 30 Sep 2019, CASTLE BIOSCIENCES INC - Common Stock, $0.001 par value per share (CSTL) was held by 56 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 4,868,946 shares. The largest 10 holders included HIGHLAND CAPITAL MANAGEMENT FUND ADVISORS, L.P., RTW INVESTMENTS, LP, GOLDMAN SACHS GROUP INC, DRIEHAUS CAPITAL MANAGEMENT LLC, WASATCH ADVISORS INC, BlackRock Inc., Alyeska Investment Group, L.P., ARK Investment Management LLC, Nuveen Asset Management, LLC, and MILLENNIUM MANAGEMENT LLC. This page lists 56 institutional shareholders reporting positions in this security for the Q3 2019 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q3 2019 vs Q4 2025 Across Filers

Q4 2025 holders

195

Q3 2019 holders

Holder diff

-139

Investor	Q4 2025 Shares	Q3 2019 Shares	Share Diff	Share Chg %	Q4 2025 Value $	Q3 2019 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.