DIMENSIONAL FUND ADVISORS LP

Holdings History for CASTLE BIOSCIENCES INC - Common Stock, $0.001 par value (CSTL)

Symbol: CSTL on Nasdaq
Investment type: Equity / Common Stock, $0.001 par value
Latest Disclosed Shares Owned: 1,143,799 shares
Security Ownership %: 3.9%

Shares, Excluding Options vs Price

Value, Excluding Options

Dimensional Fund Advisors LP ownership in CASTLE BIOSCIENCES INC Common Stock, $0.001 par value (CSTL)

21 Jan 2026 - Dimensional Fund Advisors LP has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 1,143,799 shares of CASTLE BIOSCIENCES INC Common Stock, $0.001 par value (CSTL). This represents 3.9% ownership of the company. In their previous filing dated 09 Oct 2025, DIMENSIONAL FUND ADVISORS LP had reported owning 1,474,089 shares, indicating a decrease of +22%. .

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
Dimensional Fund Advisors LP	3.9%	-24%	$44,494,010	1,143,799	-330,290	-22%	$38.90	13G/A	31 Dec 2025	21 Jan 2026, 13:21
Dimensional Fund Advisors LP	5.1%		$33,563,827	1,474,089			$22.77	13G	30 Sep 2025	09 Oct 2025, 13:48

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	0.01%	-0%	$44,494,673	1,143,799	-330,290	-22%	$38.90	Q4 2025
30 Sep 2025	0.01%	+0%	$33,564,113	1,474,089	+96,084	+7%	$22.77	Q3 2025
30 Jun 2025	0.01%	+0%	$28,138,709	1,378,005	+177,783	+15%	$20.42	Q2 2025
31 Mar 2025	0.01%	+0%	$24,028,270	1,200,222	+200,756		$20.02	Q1 2025
31 Dec 2024	0.01%	+0%	$26,635,792	999,466	+134,645	+16%	$26.65	Q4 2024
30 Sep 2024	0.01%	+0%	$24,663,258	864,821	+54,887	+6.8%	$28.52	Q3 2024
30 Jun 2024	0%	+0%	$17,630,935	809,934	+60,675	+8.1%	$21.77	Q2 2024
31 Mar 2024	0%	+0%	$16,596,086	749,259	+85,377	+13%	$22.15	Q1 2024
31 Dec 2023	0%	+0%	$14,327,625	663,882	+108,481	+20%	$21.58	Q4 2023
30 Sep 2023	0%	+0%	$9,381,342	555,401	+65,818	+13%	$16.89	Q3 2023
30 Jun 2023	0%	+0%	$6,716,509	489,583	+5,931	+1.2%	$13.72	Q2 2023
31 Mar 2023	0%	+0%	$10,987,969	483,652	+159,966	+49%	$22.72	Q1 2023
31 Dec 2022	0%	+0%	$7,619,000	323,686	+85,198	+36%	$23.54	Q4 2022
30 Sep 2022	0%	+0%	$6,220,000	238,488	+46,410	+24%	$26.08	Q3 2022
30 Jun 2022	0%	+0%	$4,217,000	192,078	+69,700	+57%	$21.95	Q2 2022
31 Mar 2022	0%	+0%	$5,489,000	122,378	+8,278	+7.3%	$44.85	Q1 2022
31 Dec 2021	0%	+0%	$4,892,000	114,100	+59,783	+110%	$42.87	Q4 2021
30 Sep 2021	0%	+0%	$3,612,000	54,317	+54,317	NEW	$66.50	Q3 2021
30 Jun 2021		-0%	$0	0	-142,988	-100%	$34.96	Q2 2021
31 Mar 2021	0%	+0%	$9,755,000	142,988	+122,306	+591%	$68.22	Q1 2021
31 Dec 2020	0%	+0%	$1,389,000	20,682	+20,682	NEW	$67.16	Q4 2020

* 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.