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Trexquant Investment’s Castle Biosciences CSTL Stock Holding History

Trexquant Investment’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 		$3.2M Buy
130,434
+65,829
+102% +$2.16M 0.02% 826
2025
Q4 		$2.51M Sell
64,605
-113,837
-64% -$3.67M 0.02% 902
2025
Q3 		$4.06M Sell
178,442
-139,630
-44% -$2.84M 0.04% 627
2025
Q2 		$6.5M Buy
318,072
+69,081
+28% +$1.28M 0.07% 425
2025
Q1 		$4.98M Buy
248,991
+45,420
+22% +$1.12M 0.06% 504
2024
Q4 		$5.43M Buy
203,571
+43,947
+28% +$1.34M 0.06% 499
2024
Q3 		$4.55M Buy
159,624
+116,973
+274% +$2.98M 0.06% 512
2024
Q2 		$929K Sell
42,651
-2,346
-5% -$52.3K 0.01% 1023
2024
Q1 		$997K Buy
44,997
+33,506
+292% +$729K 0.02% 916
2023
Q4 		$248K Sell
11,491
-138
-1% -$2.43K 0.01% 1290
2023
Q3 		$196K Buy
+11,629
New +$203K ﹤0.01% 1345
2022
Q4 		– Sell
-31,616
Closed -$825K – 1423
2022
Q3 		$825K Buy
+31,616
New +$886K 0.03% 601
2021
Q2 		– Sell
-6,982
Closed -$478K – 1157
2021
Q1 		$478K Buy
+6,982
New +$525K 0.04% 528

Other funds holding CSTL

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 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
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
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
Allianz Asset Management Munich, Germany $95.4B AUM 38.74% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Trexquant Investment's CSTL Position: Q1 2026 in Review

Trexquant Investment increased its Castle Biosciences (CSTL) stake by 102% in Q1 2026, buying an estimated $2.16M and bringing the position to 130,434 shares worth $3.2M. The position accounts for 0.02% of the portfolio, ranked #826.

Trexquant Investment first reported a position in CSTL in Q1 2021 and has held it in 13 quarters since. The position peaked at $6.5M in Q2 2025. 186 funds tracked by Wall St. Rank hold CSTL as of Q1 2026.

  • Trexquant Investment held 130,434 shares of Castle Biosciences worth $3.2M as of Q1 2026.
  • Trexquant Investment bought 65,829 Castle Biosciences shares in Q1 2026, an estimated $2.16M.
  • Castle Biosciences made up 0.02% of Trexquant Investment's portfolio in Q1 2026, its #826 holding.
  • Trexquant Investment first reported a position in Castle Biosciences in Q1 2021 and has held it in 13 quarters since.
  • Trexquant Investment's Castle Biosciences position peaked at $6.5M in Q2 2025.
  • 186 funds tracked by Wall St. Rank held Castle Biosciences as of Q1 2026.

Based on Trexquant Investment's 13F filing for Q1 2026, filed 15 May 2026.