Simon Quick Advisors’s Castle Biosciences CSTL Stock Holding History

Simon Quick Advisors’s Portfolio CSTL Stock Details CSTL Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$204K	Hold	8,561	–	–	0.01%	407
2026 Q1	$210K	Hold	8,561	–	–	0.01%	361
2025 Q4	$333K	Sell	8,561 -5,001	-37%	-$161K	0.01%	302
2025 Q3	$309K	Hold	13,562	–	–	0.01%	320
2025 Q2	$277K	Sell	13,562 -33	-0.2%	-$611	0.01%	309
2025 Q1	$272K	Buy	13,595 +20	+0.1%	+$495	0.02%	465
2024 Q4	$362K	Sell	13,575 -28	-0.2%	-$853	0.02%	321
2024 Q3	$388K	Sell	13,603 -10,005	-42%	-$255K	0.02%	272
2024 Q2	$514K	Sell	23,608 -5,454	-19%	-$122K	0.04%	216
2024 Q1	$644K	Hold	29,062	–	–	0.05%	170
2023 Q4	$627K	Hold	29,062	–	–	0.06%	148
2023 Q3	$491K	Hold	29,062	–	–	0.05%	167
2023 Q2	$399K	Buy	29,062 +3,062	+12%	+$62K	0.04%	175
2023 Q1	$591K	Hold	26,000	–	–	0.06%	139
2022 Q4	$612K	Hold	26,000	–	–	0.07%	119
2022 Q3	$678K	Buy	+26,000	New	+$729K	0.1%	99

Other funds holding CSTL

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

Allianz Asset Management Munich, Germany $123B AUM 45.23% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

SPPAM

Summit Partners Public Asset Management Boston, Massachusetts $5.69B AUM 259.25% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Simon Quick Advisors's CSTL Position: Q2 2026 in Review

Simon Quick Advisors held its Castle Biosciences (CSTL) position steady in Q2 2026 at 8,561 shares worth $204K. The position accounts for 0.01% of the portfolio, ranked #407.

Simon Quick Advisors first reported a position in CSTL in Q3 2022 and has held it in 16 quarters since. The position peaked at $678K in Q3 2022. 177 funds tracked by Wall St. Rank hold CSTL as of Q2 2026.

Simon Quick Advisors held 8,561 shares of Castle Biosciences worth $204K as of Q2 2026.
Simon Quick Advisors left its Castle Biosciences share count unchanged in Q2 2026.
Castle Biosciences made up 0.01% of Simon Quick Advisors's portfolio in Q2 2026, its #407 holding.
Simon Quick Advisors first reported a position in Castle Biosciences in Q3 2022 and has held it in 16 quarters since.
Simon Quick Advisors's Castle Biosciences position peaked at $678K in Q3 2022.
177 funds tracked by Wall St. Rank held Castle Biosciences as of Q2 2026.

Based on Simon Quick Advisors's 13F filing for Q2 2026, filed 28 Jul 2026.