Jane Street’s Calamos Bitcoin Structured Alt Protection ETF - April CBOA Stock Holding History

Jane Street’s Portfolio CBOA Stock Details CBOA Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$1.61M	Buy	67,443 +11,948	+22%	+$286K	﹤0.01%	5561
2026 Q1	$1.34M	Buy	55,495 +19,492	+54%	+$496K	﹤0.01%	5857
2025 Q4	$927K	Sell	36,003 -17,221	-32%	-$454K	﹤0.01%	6274
2025 Q3	$1.42M	Buy	53,224 +2,497	+5%	+$66.2K	﹤0.01%	5581
2025 Q2	$1.33M	Buy	+50,727	New	+$1.31M	﹤0.01%	5101

Other funds holding CBOA

OMC

Old Mission Capital Chicago, Illinois $6.31B AUM 20.77% 1-Year Est. Return

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

Ankerstar Wealth Leander, Texas $119M AUM

Jane Street's CBOA Position: Q2 2026 in Review

Jane Street increased its Calamos Bitcoin Structured Alt Protection ETF - April (CBOA) stake by 22% in Q2 2026, buying an estimated $286K and bringing the position to 67,443 shares worth $1.61M. The position accounts for ﹤0.01% of the portfolio, ranked #5561.

Jane Street first reported a position in CBOA in Q2 2025 and has held it in 5 quarters since. 4 funds tracked by Wall St. Rank hold CBOA as of Q2 2026.

Jane Street held 67,443 shares of Calamos Bitcoin Structured Alt Protection ETF - April worth $1.61M as of Q2 2026.
Jane Street bought 11,948 Calamos Bitcoin Structured Alt Protection ETF - April shares in Q2 2026, an estimated $286K.
Calamos Bitcoin Structured Alt Protection ETF - April made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #5561 holding.
Jane Street first reported a position in Calamos Bitcoin Structured Alt Protection ETF - April in Q2 2025 and has held it in 5 quarters since.
4 funds tracked by Wall St. Rank held Calamos Bitcoin Structured Alt Protection ETF - April as of Q2 2026.

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