Jane Street
CBTJ

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

Jane Street’s Portfolio CBTJ Stock Details CBTJ Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$512K Buy
29,652
+15,114
+104% +$290K ﹤0.01% 7961
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

MW
MBL Wealth Charlotte, North Carolina $1.47B AUM 19.75% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
Calamos Advisors
Calamos Advisors Naperville, Illinois $30.1B AUM 30.03% 1-Year Est. Return
Betterment LLC
Betterment LLC New York $59.1B AUM 18.41% 1-Year Est. Return
BPA
Beacon Pointe Advisors Newport Beach, California $21.5B AUM 23.65% 1-Year Est. Return
NIA
NBZ Investment Advisors Knoxville, Tennessee $256M AUM 18.81% 1-Year Est. Return
DFG
DWM Financial Group Palatine, Illinois $112M AUM
CWM
Calamos Wealth Management Naperville, Illinois $3.31B AUM 32.95% 1-Year Est. Return
MP
McDonald Partners Cleveland, Ohio $412M AUM 34.27% 1-Year Est. Return
Cambridge Investment Research Advisors
Cambridge Investment Research Advisors Fairfield, Iowa $44.6B AUM 28.94% 1-Year Est. Return

Jane Street's CBTJ Position: Q2 2026 in Review

Jane Street increased its Calamos Bitcoin 80 Series Structured Alt Protection ETF - January (CBTJ) stake by 104% in Q2 2026, buying an estimated $290K and bringing the position to 29,652 shares worth $512K. The position accounts for ﹤0.01% of the portfolio, ranked #7961.

Jane Street first reported a position in CBTJ in Q1 2025 and has held it in 5 quarters since. The position peaked at $1.47M in Q1 2025. 21 funds tracked by Wall St. Rank hold CBTJ as of Q2 2026.

  • Jane Street held 29,652 shares of Calamos Bitcoin 80 Series Structured Alt Protection ETF - January worth $512K as of Q2 2026.
  • Jane Street bought 15,114 Calamos Bitcoin 80 Series Structured Alt Protection ETF - January shares in Q2 2026, an estimated $290K.
  • Calamos Bitcoin 80 Series Structured Alt Protection ETF - January made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #7961 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 5 quarters since.
  • Jane Street's Calamos Bitcoin 80 Series Structured Alt Protection ETF - January position peaked at $1.47M in Q1 2025.
  • 21 funds tracked by Wall St. Rank held Calamos Bitcoin 80 Series Structured Alt Protection ETF - January as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.