Advisory Services Network’s Castle Biosciences CSTL Stock Holding History

Advisory Services Network’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 Q1	$7.05K	Buy	+287	New	+$9.4K	﹤0.01%	3718
2025 Q4	–	Sell	-7	Closed	-$159	–	2338
2025 Q3	$159	Buy	+7	New	+$142	﹤0.01%	4261
2023 Q2	–	Sell	-38	Closed	-$863	–	1914
2023 Q1	$863	Hold	38	–	–	﹤0.01%	3640
2022 Q4	$895	Buy	+38	New	+$881	﹤0.01%	3613
2021 Q3	–	Sell	-1,641	Closed	-$120K	–	1788
2021 Q2	$120K	Buy	+1,641	New	+$108K	﹤0.01%	1508
2021 Q1	–	Sell	-306	Closed	-$20K	–	1627
2020 Q4	$20K	Sell	306 -294	-49%	-$15.9K	﹤0.01%	2146
2020 Q3	$31K	Buy	+600	New	+$26.7K	﹤0.01%	1833

Other funds holding CSTL

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

RTW Investments New York $10B AUM 135.35% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return

PCM

Portolan Capital Management Boston, Massachusetts $1.88B AUM 115.74% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

SPPAM

Summit Partners Public Asset Management Boston, Massachusetts $3.72B AUM 162.29% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Allianz Asset Management Munich, Germany $95.4B AUM 38.74% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Advisory Services Network's CSTL Position: Q1 2026 in Review

Advisory Services Network opened a new position in Castle Biosciences (CSTL) in Q1 2026: 287 shares worth $7.05K. The stake represents ﹤0.01% of the portfolio and ranks #3718 among its holdings. This is a return to the name: Advisory Services Network previously reported a position in CSTL as recently as Q3 2025.

Advisory Services Network first reported a position in CSTL in Q3 2020 and has held it in 7 quarters since. The position peaked at $120K in Q2 2021. 186 funds tracked by Wall St. Rank hold CSTL as of Q1 2026.

Advisory Services Network held 287 shares of Castle Biosciences worth $7.05K as of Q1 2026.
Castle Biosciences was a new Advisory Services Network position in Q1 2026.
Castle Biosciences made up ﹤0.01% of Advisory Services Network's portfolio in Q1 2026, its #3718 holding.
Advisory Services Network first reported a position in Castle Biosciences in Q3 2020 and has held it in 7 quarters since.
Advisory Services Network's Castle Biosciences position peaked at $120K in Q2 2021.
186 funds tracked by Wall St. Rank held Castle Biosciences as of Q1 2026.

Based on Advisory Services Network's 13F filing for Q1 2026, filed 15 May 2026.