Chicago Partners Investment Group’s Prothena Corp PRTA Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$165K	Buy	15,365 +143	+0.9%	+$1.31K	﹤0.01%	1365
2025 Q4	$152K	Buy	15,222 +381	+3%	+$3.88K	﹤0.01%	1252
2025 Q3	$156K	Buy	14,841 +82	+0.6%	+$630	﹤0.01%	1173
2025 Q2	$99.8K	Buy	14,759 +247	+2%	+$1.85K	﹤0.01%	1066
2025 Q1	$106K	Buy	14,512 +3,315	+30%	+$46.9K	﹤0.01%	897
2024 Q4	$159K	Buy	+11,197	New	+$177K	0.01%	824
2018 Q2	–	Sell	-267	Closed	-$10K	–	983
2018 Q1	$10K	Hold	267	–	–	﹤0.01%	775
2017 Q4	$10K	Sell	267 -108	-29%	-$5.5K	﹤0.01%	749
2017 Q3	$24K	Buy	+375	New	+$23K	﹤0.01%	585
2017 Q2	–	Sell	-458	Closed	-$26K	–	754
2017 Q1	$26K	Sell	458 -4,338	-90%	-$228K	0.01%	385
2016 Q4	$236K	Sell	4,796 -695	-13%	-$38.3K	0.09%	158
2016 Q3	$329K	Sell	5,491 -143	-3%	-$7.67K	0.13%	126
2016 Q2	$197K	Sell	5,634 -462	-8%	-$20.1K	0.09%	133
2016 Q1	$251K	Sell	6,096 -379	-6%	-$14.8K	0.13%	105
2015 Q4	$441K	Sell	6,475 -393	-6%	-$23.7K	0.21%	81
2015 Q3	$311K	Hold	6,868	–	–	0.17%	87
2015 Q2	$362K	Sell	6,868 -6,600	-49%	-$260K	0.16%	90
2015 Q1	$280K	Buy	13,468 +8,814	+189%	+$226K	0.12%	106
2014 Q4	$97K	Buy	+4,654	New	+$97.1K	0.04%	182