DCF Advisers’s Prothena Corp PRTA Stock Holding History

DCF Advisers’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	$712K	Sell	73,247 -122,500	-63%	-$1.12M	0.27%	67
2025 Q4	$1.87M	Sell	195,747 -5,000	-2%	-$50.9K	0.62%	50
2025 Q3	$1.96M	Buy	200,747 +44,247	+28%	+$340K	0.74%	47
2025 Q2	$950K	Sell	156,500 -38,500	-20%	-$289K	0.46%	54
2025 Q1	$2.41M	Buy	195,000 +91,500	+88%	+$1.29M	1.3%	30
2024 Q4	$1.43M	Sell	103,500 -4,000	-4%	-$63.1K	0.72%	44
2024 Q3	$1.8M	Hold	107,500	–	–	0.93%	34
2024 Q2	$2.22M	Buy	107,500 +500	+0.5%	+$10.8K	1.16%	27
2024 Q1	$2.65M	Buy	107,000 +23,000	+27%	+$684K	1.6%	22
2023 Q4	$3.05M	Buy	84,000 +1,050	+1%	+$40.4K	2.07%	17
2023 Q3	$4M	Sell	82,950 -1,800	-2%	-$107K	2.79%	13
2023 Q2	$5.79M	Buy	84,750 +500	+0.6%	+$32.3K	3.99%	8
2023 Q1	$4.08M	Buy	84,250 +10,150	+14%	+$536K	3.01%	10
2022 Q4	$4.46M	Buy	74,100 +6,100	+9%	+$357K	3.45%	10
2022 Q3	$4.12M	Buy	68,000 +144	+0.2%	+$4.55K	3.04%	10
2022 Q2	$1.84M	Sell	67,856 -8,144	-11%	-$238K	1.23%	32
2022 Q1	$2.78M	Buy	76,000 +16,000	+27%	+$577K	1.63%	23
2021 Q4	$2.96M	Hold	60,000	–	–	1.49%	24
2021 Q3	$4.27M	Sell	60,000 -1,750	-3%	-$109K	2.32%	17
2021 Q2	$3.17M	Buy	61,750 +15,894	+35%	+$496K	1.6%	24
2021 Q1	$1.15M	Buy	+45,856	New	+$863K	0.58%	45

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