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Aquatic Capital Management’s Castle Biosciences CSTL Stock Holding History

Aquatic 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
2026
Q1 		– Sell
-10,570
Closed -$411K – 1458
2025
Q4 		$411K Buy
10,570
+8,235
+353% +$265K 0.01% 798
2025
Q3 		$53.2K Sell
2,335
-16,945
-88% -$344K ﹤0.01% 1274
2025
Q2 		$394K Buy
+19,280
New +$357K 0.01% 879
2025
Q1 		– Sell
-20,218
Closed -$539K – 1322
2024
Q4 		$539K Buy
+20,218
New +$616K 0.01% 699
2023
Q1 		– Sell
-5,400
Closed -$127K – 1347
2022
Q4 		$127K Sell
5,400
-2,900
-35% -$67.2K 0.01% 834
2022
Q3 		$216K Buy
+8,300
New +$233K 0.02% 596

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

Aquatic Capital Management's CSTL Position: Q1 2026 in Review

Aquatic Capital Management sold out of Castle Biosciences (CSTL) in Q1 2026, closing a stake of 10,570 shares — an estimated $411K sold.

Aquatic Capital Management first reported a position in CSTL in Q3 2022 and held it in 6 quarters. The position peaked at $539K in Q4 2024. 186 funds tracked by Wall St. Rank hold CSTL as of Q1 2026.

  • Aquatic Capital Management reported no remaining Castle Biosciences position as of Q1 2026 after selling out during the quarter.
  • Aquatic Capital Management sold 10,570 Castle Biosciences shares in Q1 2026, an estimated $411K.
  • Aquatic Capital Management first reported a position in Castle Biosciences in Q3 2022 and held it in 6 quarters.
  • Aquatic Capital Management's Castle Biosciences position peaked at $539K in Q4 2024.
  • 186 funds tracked by Wall St. Rank held Castle Biosciences as of Q1 2026.

Based on Aquatic Capital Management's 13F filing for Q1 2026, filed 15 May 2026.