Jump Financial’s Castle Biosciences CSTL Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
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 1847
2025
Q2
$446K Buy
+21,858
New +$405K ﹤0.01% 1270
2025
Q1
Sell
-11,400
Closed -$304K 1654
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

Jump Financial's CSTL Position: Q1 2026 in Review

Jump Financial increased its Castle Biosciences (CSTL) stake by 124% in Q1 2026, buying an estimated $223K and bringing the position to 12,300 shares worth $302K. The position accounts for ﹤0.01% of the portfolio, ranked #1480.

Jump Financial first reported a position in CSTL in Q3 2020 and has held it in 17 quarters since. The position peaked at $1.3M in Q4 2021. 186 funds tracked by Wall St. Rank hold CSTL as of Q1 2026.

  • Jump Financial held 12,300 shares of Castle Biosciences worth $302K as of Q1 2026.
  • Jump Financial bought 6,800 Castle Biosciences shares in Q1 2026, an estimated $223K.
  • Castle Biosciences made up ﹤0.01% of Jump Financial's portfolio in Q1 2026, its #1480 holding.
  • Jump Financial first reported a position in Castle Biosciences in Q3 2020 and has held it in 17 quarters since.
  • Jump Financial's Castle Biosciences position peaked at $1.3M in Q4 2021.
  • 186 funds tracked by Wall St. Rank held Castle Biosciences as of Q1 2026.

Based on Jump Financial's 13F filing for Q1 2026, filed 14 May 2026.