Point72 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
2026 Q1	$3.89M	Sell	399,830 -460,188	-54%	-$4.22M	0.01%	1874
2025 Q4	$8.21M	Buy	860,018 +213,272	+33%	+$2.17M	0.01%	1472
2025 Q3	$6.31M	Buy	+646,746	New	+$4.97M	0.01%	980
2023 Q4	–	Sell	-219,623	Closed	-$10.6M	–	2781
2023 Q3	$10.6M	Buy	219,623 +821	+0.4%	+$48.8K	0.04%	629
2023 Q2	$14.9M	Sell	218,802 -116,191	-35%	-$7.49M	0.05%	470
2023 Q1	$16.2M	Buy	334,993 +23,493	+8%	+$1.24M	0.06%	414
2022 Q4	$18.8M	Buy	311,500 +143,100	+85%	+$8.38M	0.07%	349
2022 Q3	$10.2M	Buy	168,400 +68,500	+69%	+$2.17M	0.04%	496
2022 Q2	$2.71M	Sell	99,900 -73,100	-42%	-$2.14M	0.01%	870
2022 Q1	$6.33M	Sell	173,000 -20,200	-10%	-$728K	0.03%	639
2021 Q4	$9.54M	Buy	193,200 +31,300	+19%	+$1.74M	0.04%	525
2021 Q3	$11.5M	Sell	161,900 -6,900	-4%	-$429K	0.05%	451
2021 Q2	$8.68M	Buy	+168,800	New	+$5.27M	0.04%	491
2020 Q3	–	Sell	-265,573	Closed	-$2.78M	–	1084
2020 Q2	$2.78M	Sell	265,573 -250,470	-49%	-$2.78M	0.02%	554
2020 Q1	$5.52M	Buy	516,043 +193,743	+60%	+$2.35M	0.05%	368
2019 Q4	$5.1M	Buy	+322,300	New	+$3.46M	0.03%	495
2015 Q4	–	Sell	-16,900	Closed	-$766K	–	813
2015 Q3	$766K	Sell	16,900 -45,100	-73%	-$2.63M	0.01%	640
2015 Q2	$3.27M	Buy	+62,000	New	+$2.45M	0.03%	514