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CSTL icon

Covestor’s Castle Biosciences CSTL Stock Holding History

Covestor’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 		$27K Buy
1,096
+98
+10% +$3.21K 0.02% 996
2025
Q4 		$39K Sell
998
-1,071
-52% -$34.5K 0.02% 998
2025
Q3 		$47K Sell
2,069
-311
-13% -$6.32K 0.03% 934
2025
Q2 		$49K Buy
2,380
+1,161
+95% +$21.5K 0.03% 893
2025
Q1 		$24K Buy
1,219
+283
+30% +$7.01K 0.02% 1129
2024
Q4 		$25K Buy
+936
New +$28.5K 0.02% 1109
2022
Q1 		– Sell
-7
Closed – – 2158
2021
Q4 		$0 Buy
+7
New +$366 ﹤0.01% 2143

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

Covestor's CSTL Position: Q1 2026 in Review

Covestor increased its Castle Biosciences (CSTL) stake by 9.8% in Q1 2026, buying an estimated $3.21K and bringing the position to 1,096 shares worth $27K. The position accounts for 0.02% of the portfolio, ranked #996.

Covestor first reported a position in CSTL in Q4 2021 and has held it in 7 quarters since. The position peaked at $49K in Q2 2025. 186 funds tracked by Wall St. Rank hold CSTL as of Q1 2026.

  • Covestor held 1,096 shares of Castle Biosciences worth $27K as of Q1 2026.
  • Covestor bought 98 Castle Biosciences shares in Q1 2026, an estimated $3.21K.
  • Castle Biosciences made up 0.02% of Covestor's portfolio in Q1 2026, its #996 holding.
  • Covestor first reported a position in Castle Biosciences in Q4 2021 and has held it in 7 quarters since.
  • Covestor's Castle Biosciences position peaked at $49K in Q2 2025.
  • 186 funds tracked by Wall St. Rank held Castle Biosciences as of Q1 2026.

Based on Covestor's 13F filing for Q1 2026, filed 5 May 2026.