Sittner & Nelson’s Prothena Corp PRTA Stock Holding History

Sittner & Nelson’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
2026 Q1	$1.51K	Sell	155 -30	-16%	-$275	﹤0.01%	527
2025 Q4	$1.65K	Buy	185 +30	+19%	+$305	﹤0.01%	486
2025 Q3	$1.51K	Hold	155	–	–	﹤0.01%	454
2025 Q2	$941	Hold	155	–	–	﹤0.01%	478
2025 Q1	$1.92K	Hold	155	–	–	﹤0.01%	443
2024 Q4	$2.15K	Hold	155	–	–	﹤0.01%	415
2024 Q3	$2.59K	Hold	155	–	–	﹤0.01%	398
2024 Q2	$3.2K	Hold	155	–	–	﹤0.01%	409
2024 Q1	$3.84K	Hold	155	–	–	﹤0.01%	406
2023 Q4	$5.63K	Hold	155	–	–	﹤0.01%	380
2023 Q3	$7.48K	Hold	155	–	–	﹤0.01%	356
2023 Q2	$10.6K	Hold	155	–	–	0.01%	341
2023 Q1	$7.51K	Hold	155	–	–	﹤0.01%	377
2022 Q4	$9.34K	Hold	155	–	–	0.01%	350
2022 Q3	$9K	Hold	155	–	–	0.01%	342
2022 Q2	$4K	Hold	155	–	–	﹤0.01%	423
2022 Q1	$6K	Hold	155	–	–	﹤0.01%	381
2021 Q4	$8K	Hold	155	–	–	﹤0.01%	356
2021 Q3	$11K	Hold	155	–	–	0.01%	315
2021 Q2	$8K	Hold	155	–	–	0.01%	317
2021 Q1	$4K	Hold	155	–	–	﹤0.01%	346
2020 Q4	$2K	Buy	+155	New	+$1.83K	﹤0.01%	394

Other funds holding PRTA

Fidelity Investments

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

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

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

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

D.E. Shaw & Co New York $127B AUM 43.98% 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

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

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