Swiss National Bank
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Swiss National Bank’s Castle Biosciences CSTL Stock Holding History

Swiss National 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 		$1.41M Hold
57,300
– – ﹤0.01% 2019
2025
Q4 		$2.23M Buy
57,300
+1,300
+2% +$41.9K ﹤0.01% 1820
2025
Q3 		$1.28M Buy
56,000
+1,700
+3% +$34.5K ﹤0.01% 2056
2025
Q2 		$1.11M Hold
54,300
– – ﹤0.01% 2101
2025
Q1 		$1.09M Buy
54,300
+3,000
+6% +$74.3K ﹤0.01% 2091
2024
Q4 		$1.37M Hold
51,300
– – ﹤0.01% 2065
2024
Q3 		$1.46M Hold
51,300
– – ﹤0.01% 2030
2024
Q2 		$1.12M Buy
51,300
+1,100
+2% +$24.5K ﹤0.01% 2120
2024
Q1 		$1.11M Hold
50,200
– – ﹤0.01% 2163
2023
Q4 		$1.08M Sell
50,200
-5,000
-9% -$88K ﹤0.01% 2197
2023
Q3 		$932K Hold
55,200
– – ﹤0.01% 2280
2023
Q2 		$757K Buy
55,200
+6,800
+14% +$138K ﹤0.01% 2438
2023
Q1 		$1.1M Sell
48,400
-5,500
-10% -$134K ﹤0.01% 2196
2022
Q4 		$1.27M Buy
53,900
+1,000
+2% +$23.2K ﹤0.01% 2201
2022
Q3 		$1.38M Buy
52,900
+2,100
+4% +$58.9K ﹤0.01% 2131
2022
Q2 		$1.11M Buy
50,800
+2,900
+6% +$67.4K ﹤0.01% 2302
2022
Q1 		$2.15M Buy
47,900
+3,600
+8% +$149K ﹤0.01% 1999
2021
Q4 		$1.9M Hold
44,300
– – ﹤0.01% 2099
2021
Q3 		$2.95M Buy
44,300
+600
+1% +$42.2K ﹤0.01% 1796
2021
Q2 		$3.21M Buy
43,700
+2,300
+6% +$152K ﹤0.01% 1795
2021
Q1 		$2.83M Buy
41,400
+500
+1% +$37.6K ﹤0.01% 1800
2020
Q4 		$2.75M Buy
40,900
+14,800
+57% +$802K ﹤0.01% 1731
2020
Q3 		$1.34M Buy
26,100
+500
+2% +$22.2K ﹤0.01% 1922
2020
Q2 		$965K Buy
+25,600
New +$875K ﹤0.01% 2126

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

Swiss National Bank's CSTL Position: Q1 2026 in Review

Swiss National Bank held its Castle Biosciences (CSTL) position steady in Q1 2026 at 57,300 shares worth $1.41M. The position accounts for ﹤0.01% of the portfolio, ranked #2019.

Swiss National Bank first reported a position in CSTL in Q2 2020 and has held it in 24 quarters since. The position peaked at $3.21M in Q2 2021. 186 funds tracked by Wall St. Rank hold CSTL as of Q1 2026.

  • Swiss National Bank held 57,300 shares of Castle Biosciences worth $1.41M as of Q1 2026.
  • Swiss National Bank left its Castle Biosciences share count unchanged in Q1 2026.
  • Castle Biosciences made up ﹤0.01% of Swiss National Bank's portfolio in Q1 2026, its #2019 holding.
  • Swiss National Bank first reported a position in Castle Biosciences in Q2 2020 and has held it in 24 quarters since.
  • Swiss National Bank's Castle Biosciences position peaked at $3.21M in Q2 2021.
  • 186 funds tracked by Wall St. Rank held Castle Biosciences as of Q1 2026.

Based on Swiss National Bank's 13F filing for Q1 2026, filed 7 May 2026.