Jeff Yass’s Calamos Bitcoin Structured Alt Protection ETF - October CBOO Stock Holding History

Jeff Yass’s Portfolio CBOO Stock Details CBOO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$803K	Buy	+32,770	New	+$803K	﹤0.01%	8771
2026 Q1	–	Sell	-47,472	Closed	-$1.16M	–	14535
2025 Q4	$1.16M	Buy	+47,472	New	+$1.17M	﹤0.01%	6848

Other funds holding CBOO

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

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

RWA

Rooted Wealth Advisors Bourbonnais, Illinois $408M AUM 18.96% 1-Year Est. Return

Harbour Investments Madison, Wisconsin $7.43B AUM 24.49% 1-Year Est. Return

Ankerstar Wealth Leander, Texas $119M AUM

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

BFS

Burkett Financial Services Rock Hill, South Carolina $320M AUM 19.24% 1-Year Est. Return

Jeff Yass's CBOO Position: Q2 2026 in Review

Jeff Yass opened a new position in Calamos Bitcoin Structured Alt Protection ETF - October (CBOO) in Q2 2026: 32,770 shares worth $803K. The stake represents ﹤0.01% of the portfolio and ranks #8771 among its holdings. This is a return to the name: Jeff Yass previously reported a position in CBOO as recently as Q4 2025.

Jeff Yass first reported a position in CBOO in Q4 2025 and has held it in 2 quarters since. The position peaked at $1.16M in Q4 2025. 8 funds tracked by Wall St. Rank hold CBOO as of Q2 2026.

Jeff Yass held 32,770 shares of Calamos Bitcoin Structured Alt Protection ETF - October worth $803K as of Q2 2026.
Calamos Bitcoin Structured Alt Protection ETF - October was a new Jeff Yass position in Q2 2026.
Calamos Bitcoin Structured Alt Protection ETF - October made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #8771 holding.
Jeff Yass first reported a position in Calamos Bitcoin Structured Alt Protection ETF - October in Q4 2025 and has held it in 2 quarters since.
Jeff Yass's Calamos Bitcoin Structured Alt Protection ETF - October position peaked at $1.16M in Q4 2025.
8 funds tracked by Wall St. Rank held Calamos Bitcoin Structured Alt Protection ETF - October as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.