Finepoint Capital’s Prothena Corp PRTA Stock Holding History

Finepoint Capital’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 Q2	–	Sell	-640,071	Closed	-$7.92M	–	18
2025 Q1	$7.92M	Sell	640,071 -17,000	-3%	-$240K	0.6%	14
2024 Q4	$9.1M	Buy	657,071 +223,600	+52%	+$3.53M	0.56%	17
2024 Q3	$7.25M	Hold	433,471	–	–	0.53%	17
2024 Q2	$8.95M	Buy	433,471 +31,071	+8%	+$672K	2.54%	14
2024 Q1	$9.97M	Buy	402,400 +53,100	+15%	+$1.58M	2.56%	17
2023 Q4	$12.7M	Hold	349,300	–	–	4%	16
2023 Q3	$16.9M	Buy	349,300 +32,000	+10%	+$1.9M	8.39%	4
2023 Q2	$21.7M	Sell	317,300 -14,300	-4%	-$922K	7.5%	2
2023 Q1	$16.1M	Buy	331,600 +8,700	+3%	+$460K	6.14%	10
2022 Q4	$19.5M	Buy	322,900 +17,500	+6%	+$1.02M	6.29%	3
2022 Q3	$18.5M	Sell	305,400 -152,100	-33%	-$4.81M	6.09%	3
2022 Q2	$12.4M	Buy	+457,500	New	+$13.4M	4.29%	14

Other funds holding PRTA

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

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

ACM

ADAR1 Capital Management Austin, Texas $1.7B AUM 340.85% 1-Year Est. Return

Armistice Capital New York $5.62B AUM 36.06% 1-Year Est. Return

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

PAI

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

Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

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

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

Finepoint Capital's PRTA Position: Q2 2025 in Review

Finepoint Capital sold out of Prothena Corp (PRTA) in Q2 2025, closing a stake of 640,071 shares — an estimated $7.92M sold.

Finepoint Capital first reported a position in PRTA in Q2 2022 and held it in 12 quarters. The position peaked at $21.7M in Q2 2023. 188 funds tracked by Wall St. Rank hold PRTA as of Q2 2025.

Finepoint Capital reported no remaining Prothena Corp position as of Q2 2025 after selling out during the quarter.
Finepoint Capital sold 640,071 Prothena Corp shares in Q2 2025, an estimated $7.92M.
Finepoint Capital first reported a position in Prothena Corp in Q2 2022 and held it in 12 quarters.
Finepoint Capital's Prothena Corp position peaked at $21.7M in Q2 2023.
188 funds tracked by Wall St. Rank held Prothena Corp as of Q2 2025.

Based on Finepoint Capital's 13F filing for Q2 2025, filed 13 Aug 2025.