ALPS Advisors’s Prothena Corp PRTA Stock Holding History

ALPS Advisors’s Portfolio PRTA Stock Details PRTA Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-25,727	Closed	-$251K	–	1069
2025 Q3	$251K	Sell	25,727 -3,301	-11%	-$25.4K	﹤0.01%	1002
2025 Q2	$176K	Sell	29,028 -8,928	-24%	-$67K	﹤0.01%	1011
2025 Q1	$470K	Sell	37,956 -5,554	-13%	-$78.5K	﹤0.01%	602
2024 Q4	$603K	Buy	43,510 +1,883	+5%	+$29.7K	﹤0.01%	574
2024 Q3	$696K	Sell	41,627 -308	-0.7%	-$6.62K	﹤0.01%	567
2024 Q2	$866K	Buy	41,935 +4,046	+11%	+$87.5K	0.01%	499
2024 Q1	$939K	Buy	37,889 +1,359	+4%	+$40.4K	0.01%	503
2023 Q4	$1.33M	Sell	36,530 -2,994	-8%	-$115K	0.01%	403
2023 Q3	$1.91M	Buy	39,524 +748	+2%	+$44.4K	0.02%	331
2023 Q2	$2.65M	Buy	38,776 +4,142	+12%	+$267K	0.02%	263
2023 Q1	$1.68M	Buy	34,634 +1,858	+6%	+$98.2K	0.01%	323
2022 Q4	$1.97M	Buy	32,776 +7,186	+28%	+$421K	0.02%	300
2022 Q3	$1.55M	Sell	25,590 -2,180	-8%	-$68.9K	0.01%	356
2022 Q2	$754K	Sell	27,770 -20,212	-42%	-$591K	0.01%	515
2022 Q1	$1.75M	Sell	47,982 -5,936	-11%	-$214K	0.02%	243
2021 Q4	$2.66M	Sell	53,918 -1,288	-2%	-$71.4K	0.03%	219
2021 Q3	$3.93M	Sell	55,206 -2,674	-5%	-$166K	0.04%	189
2021 Q2	$2.98M	Sell	57,880 -14,337	-20%	-$447K	0.03%	216
2021 Q1	$1.81M	Buy	72,217 +79	+0.1%	+$1.49K	0.02%	327
2020 Q4	$866K	Buy	+72,138	New	+$853K	0.01%	403

Other funds holding PRTA

Fidelity Investments

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

Rubric Capital Management (New York) New York $8.16B AUM 68.42% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

D.E. Shaw & Co New York $127B AUM 43.98% 1-Year Est. Return

Armistice Capital New York $3.03B AUM 36.06% 1-Year Est. Return

ADAR1 Capital Management Austin, Texas $1.66B AUM 340.85% 1-Year Est. Return

Acadian Asset Management

Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

Palo Alto Investors Palo Alto, California $654M AUM 77.8% 1-Year Est. Return