JF
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Jump Financial’s Castle Biosciences CSTL Stock Holding History

Jump Financial’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
Q2 		– Sell
-12,300
Closed -$302K – 2105
2026
Q1 		$302K Buy
12,300
+6,800
+124% +$223K ﹤0.01% 1480
2025
Q4 		$214K Buy
+5,500
New +$177K ﹤0.01% 1714
2025
Q3 		– Sell
-21,858
Closed -$446K – 1862
2025
Q2 		$446K Buy
+21,858
New +$405K ﹤0.01% 1278
2025
Q1 		– Sell
-11,400
Closed -$304K – 1658
2024
Q4 		$304K Sell
11,400
-24,736
-68% -$753K 0.01% 1297
2024
Q3 		$1.03M Buy
+36,136
New +$920K 0.02% 785
2024
Q1 		– Sell
-20,436
Closed -$441K – 1958
2023
Q4 		$441K Sell
20,436
-3,564
-15% -$62.7K 0.01% 1144
2023
Q3 		$405K Buy
24,000
+4,300
+22% +$75.2K 0.02% 1127
2023
Q2 		$270K Buy
19,700
+2,300
+13% +$46.6K 0.01% 1364
2023
Q1 		$395K Sell
17,400
-1,900
-10% -$46.4K 0.02% 996
2022
Q4 		$454K Sell
19,300
-1,006
-5% -$23.3K 0.02% 819
2022
Q3 		$530K Buy
20,306
+2,706
+15% +$75.9K 0.02% 879
2022
Q2 		$386K Buy
17,600
+1,398
+9% +$32.5K 0.02% 958
2022
Q1 		$727K Sell
16,202
-14,042
-46% -$580K 0.03% 653
2021
Q4 		$1.3M Buy
30,244
+24,544
+431% +$1.28M 0.08% 307
2021
Q3 		$379K Sell
5,700
-1,100
-16% -$77.4K 0.03% 566
2021
Q2 		$499K Buy
+6,800
New +$449K 0.05% 476
2020
Q4 		– Sell
-3,970
Closed -$204K – 982
2020
Q3 		$204K Buy
+3,970
New +$177K 0.04% 634

Other funds holding CSTL

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Allianz Asset Management
Allianz Asset Management Munich, Germany $123B AUM 45.23% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
SPPAM
Summit Partners Public Asset Management Boston, Massachusetts $5.69B AUM 259.25% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Jump Financial's CSTL Position: Q2 2026 in Review

Jump Financial sold out of Castle Biosciences (CSTL) in Q2 2026, closing a stake of 12,300 shares — an estimated $302K sold.

Jump Financial first reported a position in CSTL in Q3 2020 and held it in 17 quarters. The position peaked at $1.3M in Q4 2021. 177 funds tracked by Wall St. Rank hold CSTL as of Q2 2026.

  • Jump Financial reported no remaining Castle Biosciences position as of Q2 2026 after selling out during the quarter.
  • Jump Financial sold 12,300 Castle Biosciences shares in Q2 2026, an estimated $302K.
  • Jump Financial first reported a position in Castle Biosciences in Q3 2020 and held it in 17 quarters.
  • Jump Financial's Castle Biosciences position peaked at $1.3M in Q4 2021.
  • 177 funds tracked by Wall St. Rank held Castle Biosciences as of Q2 2026.

Based on Jump Financial's 13F filing for Q2 2026, filed 13 Aug 2026.