Zurich Cantonal Bank
CSTL icon

Zurich Cantonal Bank’s Castle Biosciences CSTL Stock Holding History

Zurich Cantonal Bank’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 		– Sell
-11,810
Closed -$459K – 2817
2025
Q4 		$459K Buy
+11,810
New +$381K ﹤0.01% 1839

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

Zurich Cantonal Bank's CSTL Position: Q1 2026 in Review

Zurich Cantonal Bank opened a new position in Castle Biosciences (CSTL) in Q1 2026: 15,028 shares worth $369K. The stake represents ﹤0.01% of the portfolio and ranks #1987 among its holdings. This is a return to the name: Zurich Cantonal Bank previously reported a position in CSTL as recently as Q3 2025.

Zurich Cantonal Bank first reported a position in CSTL in Q3 2020 and has held it in 22 quarters since. The position peaked at $379K in Q2 2021. 186 funds tracked by Wall St. Rank hold CSTL as of Q1 2026.

  • Zurich Cantonal Bank held 15,028 shares of Castle Biosciences worth $369K as of Q1 2026.
  • Castle Biosciences was a new Zurich Cantonal Bank position in Q1 2026.
  • Castle Biosciences made up ﹤0.01% of Zurich Cantonal Bank's portfolio in Q1 2026, its #1987 holding.
  • Zurich Cantonal Bank first reported a position in Castle Biosciences in Q3 2020 and has held it in 22 quarters since.
  • Zurich Cantonal Bank's Castle Biosciences position peaked at $379K in Q2 2021.
  • 186 funds tracked by Wall St. Rank held Castle Biosciences as of Q1 2026.

Based on Zurich Cantonal Bank's 13F filing for Q1 2026, filed 15 May 2026.