Proficio Capital Partners’s Prothena Corp PRTA Stock Holding History

Proficio Capital Partners’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	-30,136	Closed	-$294K	–	260
2025 Q3	$294K	Buy	+30,136	New	+$232K	0.02%	178
2019 Q3	–	Sell	-98	Closed	-$1K	–	1174
2019 Q2	$1K	Buy	98 +39	+66%	+$401	﹤0.01%	1787
2019 Q1	$1K	Buy	+59	New	+$737	﹤0.01%	1570

Other funds holding PRTA

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

RCMNY

Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

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

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Armistice Capital New York $8.17B AUM 68.82% 1-Year Est. Return

ACM

ADAR1 Capital Management Austin, Texas $2.19B AUM 374.99% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

PAI

Palo Alto Investors Palo Alto, California $724M AUM 96.91% 1-Year Est. Return

Proficio Capital Partners's PRTA Position: Q4 2025 in Review

Proficio Capital Partners sold out of Prothena Corp (PRTA) in Q4 2025, closing a stake of 30,136 shares — an estimated $294K sold.

Proficio Capital Partners first reported a position in PRTA in Q1 2019 and held it in 3 quarters. The position peaked at $294K in Q3 2025. 181 funds tracked by Wall St. Rank hold PRTA as of Q4 2025.

Proficio Capital Partners reported no remaining Prothena Corp position as of Q4 2025 after selling out during the quarter.
Proficio Capital Partners sold 30,136 Prothena Corp shares in Q4 2025, an estimated $294K.
Proficio Capital Partners first reported a position in Prothena Corp in Q1 2019 and held it in 3 quarters.
Proficio Capital Partners's Prothena Corp position peaked at $294K in Q3 2025.
181 funds tracked by Wall St. Rank held Prothena Corp as of Q4 2025.

Based on Proficio Capital Partners's 13F filing for Q4 2025, filed 12 Feb 2026.