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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
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 $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

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

Quantinno Capital Management increased its Castle Biosciences (CSTL) stake by 387% in Q1 2026, buying an estimated $1.18M and bringing the position to 45,476 shares worth $1.12M. The position accounts for ﹤0.01% of the portfolio, ranked #2064.

Quantinno Capital Management first reported a position in CSTL in Q4 2025 and has held it in 2 quarters since. 186 funds tracked by Wall St. Rank hold CSTL as of Q1 2026.

  • Quantinno Capital Management held 45,476 shares of Castle Biosciences worth $1.12M as of Q1 2026.
  • Quantinno Capital Management bought 36,144 Castle Biosciences shares in Q1 2026, an estimated $1.18M.
  • Castle Biosciences made up ﹤0.01% of Quantinno Capital Management's portfolio in Q1 2026, its #2064 holding.
  • Quantinno Capital Management first reported a position in Castle Biosciences in Q4 2025 and has held it in 2 quarters since.
  • 186 funds tracked by Wall St. Rank held Castle Biosciences as of Q1 2026.

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