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Dark Forest Capital Management’s Castle Biosciences CSTL Stock Holding History

Dark Forest Capital Management’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
2025
Q2 		– Sell
-51,855
Closed -$1.04M – 1244
2025
Q1 		$1.04M Buy
+51,855
New +$1.28M 0.05% 675
2022
Q4 		– Sell
-6,573
Closed -$171K – 1210
2022
Q3 		$171K Buy
+6,573
New +$184K 0.03% 401
2022
Q1 		– Sell
-87
Closed -$4K – 1366
2021
Q4 		$4K Sell
87
-9,640
-99% -$504K ﹤0.01% 1219
2021
Q3 		$647K Buy
9,727
+6,154
+172% +$433K 0.23% 96
2021
Q2 		$262K Buy
+3,573
New +$236K 0.11% 119

Other funds holding CSTL

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Principal Financial Group
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
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return
WA
Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
B
Braidwell Stamford, Connecticut $3B AUM 46.72% 1-Year Est. Return
Allianz Asset Management
Allianz Asset Management Munich, Germany $95.4B AUM 38.74% 1-Year Est. Return

Dark Forest Capital Management's CSTL Position: Q2 2025 in Review

Dark Forest Capital Management sold out of Castle Biosciences (CSTL) in Q2 2025, closing a stake of 51,855 shares — an estimated $1.04M sold.

Dark Forest Capital Management first reported a position in CSTL in Q2 2021 and held it in 5 quarters. The position peaked at $1.04M in Q1 2025. 152 funds tracked by Wall St. Rank hold CSTL as of Q2 2025.

  • Dark Forest Capital Management reported no remaining Castle Biosciences position as of Q2 2025 after selling out during the quarter.
  • Dark Forest Capital Management sold 51,855 Castle Biosciences shares in Q2 2025, an estimated $1.04M.
  • Dark Forest Capital Management first reported a position in Castle Biosciences in Q2 2021 and held it in 5 quarters.
  • Dark Forest Capital Management's Castle Biosciences position peaked at $1.04M in Q1 2025.
  • 152 funds tracked by Wall St. Rank held Castle Biosciences as of Q2 2025.

Based on Dark Forest Capital Management's 13F filing for Q2 2025, filed 14 Aug 2025.