Franklin Resources
CSTL icon

Franklin Resources’s Castle Biosciences CSTL Stock Holding History

Franklin Resources’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 		$2.23M Buy
90,909
+10,306
+13% +$338K ﹤0.01% 1880
2025
Q4 		$3.14M Sell
80,603
-19,184
-19% -$618K ﹤0.01% 1613
2025
Q3 		$2.27M Buy
99,787
+540
+0.5% +$11K ﹤0.01% 1731
2025
Q2 		$2.03M Buy
99,247
+161
+0.2% +$2.98K ﹤0.01% 1704
2025
Q1 		$1.98M Buy
99,086
+25,449
+35% +$630K ﹤0.01% 1694
2024
Q4 		$1.96M Buy
73,637
+4,255
+6% +$130K ﹤0.01% 1742
2024
Q3 		$2.38M Buy
69,382
+32,344
+87% +$823K ﹤0.01% 1686
2024
Q2 		$806K Buy
37,038
+1,538
+4% +$34.3K ﹤0.01% 2028
2024
Q1 		$786K Buy
+35,500
New +$772K ﹤0.01% 2048

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

Franklin Resources's CSTL Position: Q1 2026 in Review

Franklin Resources increased its Castle Biosciences (CSTL) stake by 13% in Q1 2026, buying an estimated $338K and bringing the position to 90,909 shares worth $2.23M. The position accounts for ﹤0.01% of the portfolio, ranked #1880.

Franklin Resources first reported a position in CSTL in Q1 2024 and has held it in 9 quarters since. The position peaked at $3.14M in Q4 2025. 186 funds tracked by Wall St. Rank hold CSTL as of Q1 2026.

  • Franklin Resources held 90,909 shares of Castle Biosciences worth $2.23M as of Q1 2026.
  • Franklin Resources bought 10,306 Castle Biosciences shares in Q1 2026, an estimated $338K.
  • Castle Biosciences made up ﹤0.01% of Franklin Resources's portfolio in Q1 2026, its #1880 holding.
  • Franklin Resources first reported a position in Castle Biosciences in Q1 2024 and has held it in 9 quarters since.
  • Franklin Resources's Castle Biosciences position peaked at $3.14M in Q4 2025.
  • 186 funds tracked by Wall St. Rank held Castle Biosciences as of Q1 2026.

Based on Franklin Resources's 13F filing for Q1 2026, filed 13 May 2026.