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CSTL icon

Numerai’s Castle Biosciences CSTL Stock Holding History

Numerai’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 		$204K Buy
+8,307
New +$272K 0.02% 719
2024
Q1 		– Sell
-43,979
Closed -$949K – 272
2023
Q4 		$949K Sell
43,979
-24,184
-35% -$426K 0.34% 96
2023
Q3 		$1.15M Buy
68,163
+963
+1% +$16.8K 0.38% 84
2023
Q2 		$922K Buy
+67,200
New +$1.36M 0.19% 113

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

Numerai's CSTL Position: Q1 2026 in Review

Numerai opened a new position in Castle Biosciences (CSTL) in Q1 2026: 8,307 shares worth $204K. The stake represents 0.02% of the portfolio and ranks #719 among its holdings. This is a return to the name: Numerai previously reported a position in CSTL as recently as Q4 2023.

Numerai first reported a position in CSTL in Q2 2023 and has held it in 4 quarters since. The position peaked at $1.15M in Q3 2023. 186 funds tracked by Wall St. Rank hold CSTL as of Q1 2026.

  • Numerai held 8,307 shares of Castle Biosciences worth $204K as of Q1 2026.
  • Castle Biosciences was a new Numerai position in Q1 2026.
  • Castle Biosciences made up 0.02% of Numerai's portfolio in Q1 2026, its #719 holding.
  • Numerai first reported a position in Castle Biosciences in Q2 2023 and has held it in 4 quarters since.
  • Numerai's Castle Biosciences position peaked at $1.15M in Q3 2023.
  • 186 funds tracked by Wall St. Rank held Castle Biosciences as of Q1 2026.

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