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 Q4 2019?

66 institutional investors reported CSTL - CASTLE BIOSCIENCES INC - Common Stock, $0.001 par value per share for Q4 2019. Use the holders table for investor-level position and value details.

CUSIP: 14843C105

Q4 2019 13F Holders as of 31 Dec 2019

Type / Class: Equity / Common Stock, $0.001 par value per share
Shares outstanding: 30,343,438
Total 13F shares: 5,108,808
Share change: +236,329
Total reported value: $175,588,000
Price per share: $34.37
Number of holders: 66
Value change: +$15,879,309
Number of buys: 47
Number of sells: 20

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.

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Explore More Reporting Periods

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

Newer quarter: Q1 2020
Previous quarter: Q3 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.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
NEXPOINT ASSET MANAGEMENT, L.P.	13F	Company	3.4%	1,030,995	$18,650,000	—	30 Sep 2019	13F
RTW INVESTMENTS, LP	13F	Company	2.5%	745,045	$13,478,000	—	30 Sep 2019	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.99%	301,722	$5,458,000	—	30 Sep 2019	13F
DRIEHAUS CAPITAL MANAGEMENT LLC	13F	Company	0.92%	280,401	$5,072,000	—	30 Sep 2019	13F
WASATCH ADVISORS LP	13F	Company	0.91%	275,511	$4,984,000	—	30 Sep 2019	13F
BlackRock Finance, Inc.	13F	Company	0.68%	206,946	$3,743,000	—	30 Sep 2019	13F
Alyeska Investment Group, L.P.	13F	Company	0.6%	182,272	$3,297,000	—	30 Sep 2019	13F
ARK Investment Management LLC	13F	Company	0.55%	166,087	$3,005,000	—	30 Sep 2019	13F
Nuveen Asset Management, LLC	13F	Company	0.54%	165,306	$2,991,000	—	30 Sep 2019	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.51%	155,538	$2,813,000	—	30 Sep 2019	13F
PURA VIDA INVESTMENTS, LLC	13F	Company	0.43%	131,718	$2,383,000	—	30 Sep 2019	13F
Portolan Capital Management, LLC	13F	Company	0.41%	124,931	$2,260,000	—	30 Sep 2019	13F
VANGUARD GROUP INC	13F	Company	0.37%	112,913	$2,043,000	—	30 Sep 2019	13F
DEERFIELD MANAGEMENT COMPANY, L.P.	13F	Company	0.3%	92,477	$1,673,000	—	30 Sep 2019	13F
Grandeur Peak Global Advisors, LLC	13F	Company	0.26%	79,375	$1,436,000	—	30 Sep 2019	13F
ArrowMark Colorado Holdings LLC	13F	Company	0.23%	70,000	$1,266,000	—	30 Sep 2019	13F
FEDERATED HERMES, INC.	13F	Company	0.21%	65,000	$1,176,000	—	30 Sep 2019	13F
ESSEX INVESTMENT MANAGEMENT CO LLC	13F	Company	0.18%	53,238	$963,000	—	30 Sep 2019	13F
NORTHERN TRUST CORP	13F	Company	0.17%	51,197	$926,000	—	30 Sep 2019	13F
Zimmer Partners, LP	13F	Company	0.17%	51,000	$923,000	—	30 Sep 2019	13F
Global IMC LLC	13F	Company	0.14%	43,974	$795,000	—	30 Sep 2019	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.13%	37,931	$686,000	—	30 Sep 2019	13F
CHARTWELL INVESTMENT PARTNERS, LLC	13F	Company	0.12%	37,155	$672,000	—	30 Sep 2019	13F
STATE STREET CORP	13F	Company	0.12%	36,022	$652,000	—	30 Sep 2019	13F
Informed Momentum Co LLC	13F	Company	0.11%	34,005	$615,000	—	30 Sep 2019	13F
Calamos Advisors LLC	13F	Company	0.1%	31,648	$572,000	—	30 Sep 2019	13F
CITADEL ADVISORS LLC	13F	Company	0.1%	30,675	$555,000	—	30 Sep 2019	13F
Laurion Capital Management LP	13F	Company	0.1%	29,986	$542,000	—	30 Sep 2019	13F
DC Investments Management, LLC	13F	Company	0.09%	28,038	$507,000	—	30 Sep 2019	13F
PERKINS CAPITAL MANAGEMENT INC	13F	Company	0.09%	27,920	$505,000	—	30 Sep 2019	13F
Marshall Wace North America L.P.	13F	Company	0.08%	24,524	$444,000	—	30 Sep 2019	13F
PRELUDE CAPITAL MANAGEMENT, LLC	13F	Company	0.08%	24,101	$436,000	—	30 Sep 2019	13F
FRED ALGER MANAGEMENT, LLC	13F	Company	0.07%	20,000	$362,000	—	30 Sep 2019	13F
Russell Investments Group, Ltd.	13F	Company	0.06%	17,318	$313,000	—	30 Sep 2019	13F
Monarch Partners Asset Management LLC	13F	Company	0.05%	16,590	$300,000	—	30 Sep 2019	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.05%	16,400	$297,000	—	30 Sep 2019	13F
LANDSCAPE CAPITAL MANAGEMENT, L.L.C.	13F	Company	0.05%	14,138	$256,000	—	30 Sep 2019	13F
TIVERTON ASSET MANAGEMENT LLC	13F	Company	0.04%	11,651	$211,000	—	30 Sep 2019	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.04%	10,756	$195,000	—	30 Sep 2019	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.02%	5,757	$104,000	—	30 Sep 2019	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.01%	3,599	$65,000	—	30 Sep 2019	13F
MORGAN STANLEY	13F	Company	0.01%	3,454	$63,000	—	30 Sep 2019	13F
UBS Group AG	13F	Company	0.01%	2,810	$51,000	—	30 Sep 2019	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	0.01%	2,702	$49,000	—	30 Sep 2019	13F
Elkfork Partners LLC	13F	Company	0.01%	2,618	$47,000	—	30 Sep 2019	13F
AMERICAN INTERNATIONAL GROUP, INC.	13F	Company	0.01%	2,332	$42,000	—	30 Sep 2019	13F
Glen Harbor Capital Management LLC	13F	Company	0.01%	2,156	$39,000	—	30 Sep 2019	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.01%	1,755	$32,000	—	30 Sep 2019	13F
Meadow Creek Investment Management LLC	13F	Company	0.01%	1,694	$31,000	—	30 Sep 2019	13F
Flinton Capital Management LLC	13F	Company	0%	1,232	$22,000	—	30 Sep 2019	13F

Institutional Holders of CASTLE BIOSCIENCES INC - Common Stock, $0.001 par value per share (CSTL) as of Q4 2019

As of 31 Dec 2019, CASTLE BIOSCIENCES INC - Common Stock, $0.001 par value per share (CSTL) was held by 66 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 5,108,808 shares. The largest 10 holders included HIGHLAND CAPITAL MANAGEMENT FUND ADVISORS, L.P., RTW INVESTMENTS, LP, BlackRock Inc., WASATCH ADVISORS INC, DRIEHAUS CAPITAL MANAGEMENT LLC, Portolan Capital Management, LLC, GOLDMAN SACHS GROUP INC, ARK Investment Management LLC, VANGUARD GROUP INC, and LORD, ABBETT & CO. LLC. This page lists 66 institutional shareholders reporting positions in this security for the Q4 2019 filing period.

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

Compare Q4 2019 vs Q3 2019 Across Filers

Q3 2019 holders

Q4 2019 holders

Holder diff

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