Jane Street’s Calamos Bitcoin 80 Series Structured Alt Protection ETF - January CBTJ Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$274K Sell
14,538
-38,046
-72% -$768K ﹤0.01% 9429
2025
Q4
$1.15M Buy
52,584
+43,030
+450% +$1.09M ﹤0.01% 5840
2025
Q3
$273K Buy
+9,554
New +$271K ﹤0.01% 9087
2025
Q2
Sell
-63,238
Closed -$1.47M 11302
2025
Q1
$1.47M Buy
+63,238
New +$1.52M ﹤0.01% 4883

Other funds holding CBTJ

Jane Street's CBTJ Position: Q1 2026 in Review

Jane Street reduced its Calamos Bitcoin 80 Series Structured Alt Protection ETF - January (CBTJ) stake by 72% in Q1 2026, selling an estimated $768K and leaving 14,538 shares worth $274K. The position accounts for ﹤0.01% of the portfolio, ranked #9429.

Jane Street first reported a position in CBTJ in Q1 2025 and has held it in 4 quarters since. The position peaked at $1.47M in Q1 2025. 22 funds tracked by Wall St. Rank hold CBTJ as of Q1 2026.

  • Jane Street held 14,538 shares of Calamos Bitcoin 80 Series Structured Alt Protection ETF - January worth $274K as of Q1 2026.
  • Jane Street sold 38,046 Calamos Bitcoin 80 Series Structured Alt Protection ETF - January shares in Q1 2026, an estimated $768K.
  • Calamos Bitcoin 80 Series Structured Alt Protection ETF - January made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #9429 holding.
  • Jane Street first reported a position in Calamos Bitcoin 80 Series Structured Alt Protection ETF - January in Q1 2025 and has held it in 4 quarters since.
  • Jane Street's Calamos Bitcoin 80 Series Structured Alt Protection ETF - January position peaked at $1.47M in Q1 2025.
  • 22 funds tracked by Wall St. Rank held Calamos Bitcoin 80 Series Structured Alt Protection ETF - January as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.