Jane Street’s Calamos S&P 500 Structured Alt Protection ETF - March CPSR Stock Holding History

Jane Street’s Portfolio CPSR Stock Details CPSR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$253K	Buy	+10,008	New	+$254K	﹤0.01%	9606

Other funds holding CPSR

Calamos Advisors Naperville, Illinois $28.2B AUM 21.78% 1-Year Est. Return

CWM

Calamos Wealth Management Naperville, Illinois $2.91B AUM 25.59% 1-Year Est. Return

Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

Commonwealth Equity Services Waltham, Massachusetts $71.6B AUM 21.08% 1-Year Est. Return

FFA

Farther Finance Advisors San Francisco, California $12.8B AUM 26.53% 1-Year Est. Return

BWAM

Blue Water Asset Management Grand Rapids, Michigan $289M AUM

LWP

LeClair Wealth Partners Dublin, Ohio $289M AUM 19.98% 1-Year Est. Return

FAG

Fortitude Advisory Group Gig Harbor, Washington $262M AUM 42.09% 1-Year Est. Return

Stolz & Associates Tacoma, Washington $143M AUM

Cetera Investment Advisers Schaumburg, Illinois $94B AUM 20.14% 1-Year Est. Return

Jane Street's CPSR Position: Q1 2026 in Review

Jane Street opened a new position in Calamos S&P 500 Structured Alt Protection ETF - March (CPSR) in Q1 2026: 10,008 shares worth $253K. The stake represents ﹤0.01% of the portfolio and ranks #9606 among its holdings.

21 funds tracked by Wall St. Rank hold CPSR as of Q1 2026.

Jane Street held 10,008 shares of Calamos S&P 500 Structured Alt Protection ETF - March worth $253K as of Q1 2026.
Calamos S&P 500 Structured Alt Protection ETF - March was a new Jane Street position in Q1 2026.
Calamos S&P 500 Structured Alt Protection ETF - March made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #9606 holding.
21 funds tracked by Wall St. Rank held Calamos S&P 500 Structured Alt Protection ETF - March as of Q1 2026.

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