Tower Research Capital (TRC)’s Calamos Convertible Opportunities and Income Fund CHI Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-54	Closed	-$583	–	5197
2025 Q3	$583	Sell	54 -69	-56%	-$723	﹤0.01%	4979
2025 Q2	$1.29K	Buy	+123	New	+$1.23K	﹤0.01%	4834
2024 Q2	–	Sell	-69	Closed	-$783	–	5712
2024 Q1	$783	Buy	+69	New	+$751	﹤0.01%	5382
2022 Q2	–	Sell	-100	Closed	-$1K	–	6106
2022 Q1	$1K	Buy	+100	New	+$1.35K	﹤0.01%	5755
2017 Q1	–	Sell	-100	Closed	-$1K	–	3134
2016 Q4	$1K	Sell	100 -450	-82%	-$4.48K	﹤0.01%	3577
2016 Q3	$6K	Buy	+550	New	+$5.71K	﹤0.01%	2410
2016 Q1	–	Sell	-434	Closed	-$4K	–	4182
2015 Q4	$4K	Sell	434 -856	-66%	-$8.66K	﹤0.01%	3158
2015 Q3	$13K	Buy	1,290 +646	+100%	+$7.14K	﹤0.01%	2086
2015 Q2	$8K	Buy	+644	New	+$8.34K	﹤0.01%	2870
2014 Q4	–	Sell	-2	Closed	–	–	4079
2014 Q3	$0	Buy	+2	New	+$28	﹤0.01%	4453
2014 Q1	–	Sell	-1,476	Closed	-$20K	–	4486
2013 Q4	$20K	Buy	+1,476	New	+$19.2K	﹤0.01%	2325
2013 Q3	–	Sell	-2,267	Closed	-$29K	–	4572
2013 Q2	$29K	Buy	+2,267	New	+$28.8K	﹤0.01%	1365