BNP Paribas Financial Markets
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BNP Paribas Financial Markets’s Castle Biosciences CSTL Stock Holding History

BNP Paribas Financial Markets’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 		$1.66M Sell
69,571
-52,585
-43% -$1.17M ﹤0.01% 2950
2026
Q1 		$3M Sell
122,156
-27,855
-19% -$912K ﹤0.01% 2410
2025
Q4 		$5.84M Buy
150,011
+10,097
+7% +$326K ﹤0.01% 1945
2025
Q3 		$3.19M Buy
139,914
+40,621
+41% +$825K ﹤0.01% 2285
2025
Q2 		$2.03M Buy
99,293
+54,063
+120% +$1M ﹤0.01% 2458
2025
Q1 		$906K Sell
45,230
-203,898
-82% -$5.05M ﹤0.01% 2856
2024
Q4 		$6.64M Buy
+249,128
New +$7.59M ﹤0.01% 1602

Other funds holding CSTL

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Vanguard Portfolio Management
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
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Mackenzie Financial
Mackenzie Financial Toronto Ontario, Ontario, Canada $100B AUM 36.93% 1-Year Est. Return

BNP Paribas Financial Markets's CSTL Position: Q2 2026 in Review

BNP Paribas Financial Markets reduced its Castle Biosciences (CSTL) stake by 43% in Q2 2026, selling an estimated $1.17M and leaving 69,571 shares worth $1.66M. The position accounts for ﹤0.01% of the portfolio, ranked #2950.

BNP Paribas Financial Markets first reported a position in CSTL in Q4 2024 and has held it in 7 quarters since. The position peaked at $6.64M in Q4 2024. 167 funds tracked by Wall St. Rank hold CSTL as of Q2 2026.

  • BNP Paribas Financial Markets held 69,571 shares of Castle Biosciences worth $1.66M as of Q2 2026.
  • BNP Paribas Financial Markets sold 52,585 Castle Biosciences shares in Q2 2026, an estimated $1.17M.
  • Castle Biosciences made up ﹤0.01% of BNP Paribas Financial Markets's portfolio in Q2 2026, its #2950 holding.
  • BNP Paribas Financial Markets first reported a position in Castle Biosciences in Q4 2024 and has held it in 7 quarters since.
  • BNP Paribas Financial Markets's Castle Biosciences position peaked at $6.64M in Q4 2024.
  • 167 funds tracked by Wall St. Rank held Castle Biosciences as of Q2 2026.

Based on BNP Paribas Financial Markets's 13F filing for Q2 2026, filed 13 Aug 2026.