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

Jane Street’s Portfolio CBTA Stock Details CBTA Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-44,892	Closed	-$959K	–	13631
2026 Q1	$959K	Buy	44,892 +30,754	+218%	+$752K	﹤0.01%	6593
2025 Q4	$392K	Sell	14,138 -10,150	-42%	-$305K	﹤0.01%	8236
2025 Q3	$789K	Buy	24,288 +17,511	+258%	+$562K	﹤0.01%	6837
2025 Q2	$208K	Buy	+6,777	New	+$195K	﹤0.01%	8479

Other funds holding CBTA

Calamos Advisors Naperville, Illinois $30.1B AUM 30.03% 1-Year Est. Return

TAM

Titleist Asset Management San Antonio, Texas $1.49B AUM 22.27% 1-Year Est. Return

Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return

McDonald Partners Cleveland, Ohio $412M AUM 34.27% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Jane Street's CBTA Position: Q2 2026 in Review

Jane Street sold out of Calamos Bitcoin 80 Series Structured Alt Protection ETF - April (CBTA) in Q2 2026, closing a stake of 44,892 shares — an estimated $959K sold.

Jane Street first reported a position in CBTA in Q2 2025 and held it in 4 quarters. The position peaked at $959K in Q1 2026. 5 funds tracked by Wall St. Rank hold CBTA as of Q2 2026.

Jane Street reported no remaining Calamos Bitcoin 80 Series Structured Alt Protection ETF - April position as of Q2 2026 after selling out during the quarter.
Jane Street sold 44,892 Calamos Bitcoin 80 Series Structured Alt Protection ETF - April shares in Q2 2026, an estimated $959K.
Jane Street first reported a position in Calamos Bitcoin 80 Series Structured Alt Protection ETF - April in Q2 2025 and held it in 4 quarters.
Jane Street's Calamos Bitcoin 80 Series Structured Alt Protection ETF - April position peaked at $959K in Q1 2026.
5 funds tracked by Wall St. Rank held Calamos Bitcoin 80 Series Structured Alt Protection ETF - April as of Q2 2026.

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