Jane Street’s Calamos Strategic Total Return Fund CSQ Stock Holding History

Jane Street’s Portfolio CSQ Stock Details CSQ Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$509K	Sell	24,775 -10,406	-30%	-$205K	﹤0.01%	7971
2026 Q1	$602K	Buy	+35,181	New	+$660K	﹤0.01%	7613
2025 Q4	–	Sell	-38,164	Closed	-$736K	–	11300
2025 Q3	$736K	Buy	38,164 +21,075	+123%	+$392K	﹤0.01%	6978
2025 Q2	$312K	Buy	17,089 +3,952	+30%	+$65.5K	﹤0.01%	7792
2025 Q1	$213K	Buy	+13,137	New	+$230K	﹤0.01%	8363
2014 Q3	–	Sell	-33,091	Closed	-$397K	–	2595
2014 Q2	$397K	Buy	33,091 +21,313	+181%	+$246K	0.01%	1598
2014 Q1	$131K	Buy	+11,778	New	+$129K	﹤0.01%	2471
2013 Q3	–	Sell	-19,161	Closed	-$194K	–	2756
2013 Q2	$194K	Buy	+19,161	New	+$201K	﹤0.01%	2266

Other funds holding CSQ

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

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

Wells Fargo San Francisco, California $617B AUM 30.33% 1-Year Est. Return

Raymond James Financial St Petersburg, Florida $369B AUM 28.27% 1-Year Est. Return

Royal Bank of Canada Toronto, Ontario, Canada $672B AUM 33.48% 1-Year Est. Return

KIM

Karpus Investment Management Pittsford, New York $3.48B AUM 10.49% 1-Year Est. Return

LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return

Bensler Bellevue, Washington $1.13B AUM 38.91% 1-Year Est. Return

MGAM

McGowan Group Asset Management Dallas, Texas $823M AUM 27.48% 1-Year Est. Return

Jane Street's CSQ Position: Q2 2026 in Review

Jane Street reduced its Calamos Strategic Total Return Fund (CSQ) stake by 30% in Q2 2026, selling an estimated $205K and leaving 24,775 shares worth $509K. The position accounts for ﹤0.01% of the portfolio, ranked #7971.

Jane Street first reported a position in CSQ in Q2 2013 and has held it in 8 quarters since. The position peaked at $736K in Q3 2025. 221 funds tracked by Wall St. Rank hold CSQ as of Q2 2026.

Jane Street held 24,775 shares of Calamos Strategic Total Return Fund worth $509K as of Q2 2026.
Jane Street sold 10,406 Calamos Strategic Total Return Fund shares in Q2 2026, an estimated $205K.
Calamos Strategic Total Return Fund made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #7971 holding.
Jane Street first reported a position in Calamos Strategic Total Return Fund in Q2 2013 and has held it in 8 quarters since.
Jane Street's Calamos Strategic Total Return Fund position peaked at $736K in Q3 2025.
221 funds tracked by Wall St. Rank held Calamos Strategic Total Return Fund as of Q2 2026.

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