YF
CSTL icon

Yu Fan’s Castle Biosciences CSTL Stock Holding History

Yu Fan’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
2025
Q2 		– Sell
-22,503
Closed -$451K – 7
2025
Q1 		$451K Hold
22,503
– – 0.46% 7
2024
Q4 		$600K Hold
22,503
– – 1.13% 5
2024
Q3 		$642K Sell
22,503
-14,244
-39% -$363K 1.98% 4
2024
Q2 		$800K Buy
+36,747
New +$819K 1.05% 4
2024
Q1 		– Sell
-22,503
Closed -$486K – 7
2023
Q4 		$486K Buy
+22,503
New +$396K 2.43% 2
2023
Q3 		– Sell
-20,592
Closed -$283K – 6
2023
Q2 		$283K Hold
20,592
– – 22.16% 2
2023
Q1 		$468K Hold
20,592
– – 25.76% 2
2022
Q4 		$485K Hold
20,592
– – 6.49% 3
2022
Q3 		$537K Hold
20,592
– – 7.32% 4
2022
Q2 		$452K Buy
+20,592
New +$478K 6.99% 3

Other funds holding CSTL

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 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
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return
WA
Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
B
Braidwell Stamford, Connecticut $3B AUM 46.72% 1-Year Est. Return
Allianz Asset Management
Allianz Asset Management Munich, Germany $95.4B AUM 38.74% 1-Year Est. Return

Yu Fan's CSTL Position: Q2 2025 in Review

Yu Fan sold out of Castle Biosciences (CSTL) in Q2 2025, closing a stake of 22,503 shares — an estimated $451K sold.

Yu Fan first reported a position in CSTL in Q2 2022 and held it in 10 quarters. The position peaked at $800K in Q2 2024. 152 funds tracked by Wall St. Rank hold CSTL as of Q2 2025.

  • Yu Fan reported no remaining Castle Biosciences position as of Q2 2025 after selling out during the quarter.
  • Yu Fan sold 22,503 Castle Biosciences shares in Q2 2025, an estimated $451K.
  • Yu Fan first reported a position in Castle Biosciences in Q2 2022 and held it in 10 quarters.
  • Yu Fan's Castle Biosciences position peaked at $800K in Q2 2024.
  • 152 funds tracked by Wall St. Rank held Castle Biosciences as of Q2 2025.

Based on Yu Fan's 13F filing for Q2 2025, filed 14 Aug 2025.