Green Alpha Advisors, LLC

Position in CSTL — Castle Biosciences Inc

CIK 1439207 NIWOT, CO

Position in CSTL

as of Jun 30, 2026 · filed Aug 11, 2026 Compact

Position Value

$237,092

-$7,057 QoQ

Shares Held

9,941

-0.0% QoQ

Ownership

0.033%

of shares outstanding

% of Portfolio

0.16%

of 13F equity value

Holder Rank

#112

of 177 holders

Holding Since

Dec 2024

5 quarters on record

Voting authority Sole 0% Shared 0% None 100%

Healthcare · as of Jun 30, 2026

Green Alpha Advisors, LLC holds $3,277,654 across 6 Diagnostics & Research names. CSTL ranks #6 (7.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PSNL	Personalis, Inc.	67,467	$904,057
2	ILMN	Illumina, Inc.	4,396	$772,948
3	BLLN	BillionToOne, Inc.	5,197	$623,536
4	GH	Guardant Health, Inc.	2,569	$385,427
5	GRAL	GRAIL, Inc.	5,194	$354,594
6	CSTL	Castle Biosciences Inc This page	9,941	$237,092

5 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$237,092	9,941	-0.0%	Shares	Sole	2026-08-11
2026-03-31	$244,149	9,945	-2.8%	Shares	Sole	2026-04-07
2025-12-31	$398,180	10,236	+7.3%	Shares	Sole	2026-01-07
2025-09-30	$217,180	9,538	+2.3%	Shares	Sole	2025-10-15
2024-12-31	$248,564	9,327	—	Shares	Sole	2025-01-13
No filing history on record for this holder in this stock.