QCM
CSTL icon

Quantinno Capital Management’s Castle Biosciences CSTL Stock Holding History

Quantinno 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
Q2 		$392K Sell
16,428
-29,048
-64% -$647K ﹤0.01% 3097
2026
Q1 		$1.12M Buy
45,476
+36,144
+387% +$1.18M ﹤0.01% 2064
2025
Q4 		$363K Buy
+9,332
New +$301K ﹤0.01% 2703

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

Quantinno Capital Management's CSTL Position: Q2 2026 in Review

Quantinno Capital Management reduced its Castle Biosciences (CSTL) stake by 64% in Q2 2026, selling an estimated $647K and leaving 16,428 shares worth $392K. The position accounts for ﹤0.01% of the portfolio, ranked #3097.

Quantinno Capital Management first reported a position in CSTL in Q4 2025 and has held it in 3 quarters since. The position peaked at $1.12M in Q1 2026. 177 funds tracked by Wall St. Rank hold CSTL as of Q2 2026.

  • Quantinno Capital Management held 16,428 shares of Castle Biosciences worth $392K as of Q2 2026.
  • Quantinno Capital Management sold 29,048 Castle Biosciences shares in Q2 2026, an estimated $647K.
  • Castle Biosciences made up ﹤0.01% of Quantinno Capital Management's portfolio in Q2 2026, its #3097 holding.
  • Quantinno Capital Management first reported a position in Castle Biosciences in Q4 2025 and has held it in 3 quarters since.
  • Quantinno Capital Management's Castle Biosciences position peaked at $1.12M in Q1 2026.
  • 177 funds tracked by Wall St. Rank held Castle Biosciences as of Q2 2026.

Based on Quantinno Capital Management's 13F filing for Q2 2026, filed 13 Aug 2026.