Balyasny Asset Management’s Prothena Corp PRTA Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-55,764	Closed	-$544K	–	3507
2025 Q3	$544K	Sell	55,764 -520,028	-90%	-$4M	﹤0.01%	2364
2025 Q2	$3.5M	Buy	+575,792	New	+$4.32M	0.01%	1470
2025 Q1	–	Sell	-38,021	Closed	-$527K	–	3238
2024 Q4	$527K	Buy	+38,021	New	+$600K	﹤0.01%	2181
2023 Q1	–	Sell	-1,115	Closed	-$67.2K	–	3077
2022 Q4	$67.2K	Sell	1,115 -5,400	-83%	-$316K	﹤0.01%	2307
2022 Q3	$395K	Sell	6,515 -27,862	-81%	-$881K	﹤0.01%	2104
2022 Q2	$933K	Buy	+34,377	New	+$1.01M	﹤0.01%	1784
2020 Q1	–	Sell	-120,000	Closed	-$1.9M	–	1483
2019 Q4	$1.9M	Buy	+120,000	New	+$1.29M	0.01%	766
2018 Q3	–	Sell	-31,611	Closed	-$461K	–	1992
2018 Q2	$461K	Buy	31,611 +22,202	+236%	+$439K	﹤0.01%	1376
2018 Q1	$345K	Buy	+9,409	New	+$342K	﹤0.01%	1570
2014 Q4	–	Sell	-139,248	Closed	-$3.09M	–	857
2014 Q3	$3.09M	Sell	139,248 -36,363	-21%	-$771K	0.04%	552
2014 Q2	$3.96M	Buy	+175,611	New	+$4.39M	0.07%	424