SG Americas Securities
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SG Americas Securities’s Castle Biosciences CSTL Stock Holding History

SG Americas Securities’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 		– Sell
-244,886
Closed -$6.01M – 3407
2026
Q1 		$6.01M Buy
244,886
+223,624
+1,052% +$7.32M 0.01% 980
2025
Q4 		$827K Buy
21,262
+8,201
+63% +$264K ﹤0.01% 2164
2025
Q3 		$297K Buy
+13,061
New +$265K ﹤0.01% 2490
2024
Q4 		– Sell
-7,659
Closed -$218K – 3226
2024
Q3 		$218K Sell
7,659
-19,330
-72% -$492K ﹤0.01% 2419
2024
Q2 		$588K Buy
+26,989
New +$601K ﹤0.01% 1584
2022
Q4 		– Sell
-4,158
Closed -$108K – 3111
2022
Q3 		$108K Sell
4,158
-35,220
-89% -$987K ﹤0.01% 2808
2022
Q2 		$864K Buy
39,378
+34,705
+743% +$806K 0.01% 1428
2022
Q1 		$210K Sell
4,673
-3,554
-43% -$147K ﹤0.01% 2401
2021
Q4 		$353K Sell
8,227
-3,419
-29% -$179K ﹤0.01% 2358
2021
Q3 		$774K Buy
11,646
+9,114
+360% +$641K ﹤0.01% 2123
2021
Q2 		$186K Sell
2,532
-62,344
-96% -$4.12M ﹤0.01% 2374
2021
Q1 		$4.44M Buy
64,876
+4,099
+7% +$308K 0.02% 584
2020
Q4 		$4.08M Buy
60,777
+17,099
+39% +$927K 0.02% 614
2020
Q3 		$2.25M Buy
43,678
+23,162
+113% +$1.03M 0.01% 678
2020
Q2 		$773K Buy
20,516
+16,749
+445% +$572K 0.01% 1666
2020
Q1 		$112K Buy
+3,767
New +$114K ﹤0.01% 2912

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
Allianz Asset Management
Allianz Asset Management Munich, Germany $123B AUM 45.23% 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

SG Americas Securities's CSTL Position: Q2 2026 in Review

SG Americas Securities sold out of Castle Biosciences (CSTL) in Q2 2026, closing a stake of 244,886 shares — an estimated $6.01M sold.

SG Americas Securities first reported a position in CSTL in Q1 2020 and held it in 16 quarters. The position peaked at $6.01M in Q1 2026. 177 funds tracked by Wall St. Rank hold CSTL as of Q2 2026.

  • SG Americas Securities reported no remaining Castle Biosciences position as of Q2 2026 after selling out during the quarter.
  • SG Americas Securities sold 244,886 Castle Biosciences shares in Q2 2026, an estimated $6.01M.
  • SG Americas Securities first reported a position in Castle Biosciences in Q1 2020 and held it in 16 quarters.
  • SG Americas Securities's Castle Biosciences position peaked at $6.01M in Q1 2026.
  • 177 funds tracked by Wall St. Rank held Castle Biosciences as of Q2 2026.

Based on SG Americas Securities's 13F filing for Q2 2026, filed 7 Aug 2026.