North Capital’s Prothena Corp PRTA Stock Holding History

North 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 Q4	–	Sell	-159	Closed	-$1.55K	–	541
2025 Q3	$1.55K	Hold	159	–	–	﹤0.01%	536
2025 Q2	$965	Hold	159	–	–	﹤0.01%	557
2025 Q1	$1.97K	Buy	+159	New	+$2.25K	﹤0.01%	504

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

North Capital's PRTA Position: Q4 2025 in Review

North Capital sold out of Prothena Corp (PRTA) in Q4 2025, closing a stake of 159 shares — an estimated $1.55K sold.

North Capital first reported a position in PRTA in Q1 2025 and held it in 3 quarters. The position peaked at $1.97K in Q1 2025. 181 funds tracked by Wall St. Rank hold PRTA as of Q4 2025.

North Capital reported no remaining Prothena Corp position as of Q4 2025 after selling out during the quarter.
North Capital sold 159 Prothena Corp shares in Q4 2025, an estimated $1.55K.
North Capital first reported a position in Prothena Corp in Q1 2025 and held it in 3 quarters.
North Capital's Prothena Corp position peaked at $1.97K in Q1 2025.
181 funds tracked by Wall St. Rank held Prothena Corp as of Q4 2025.

Based on North Capital's 13F filing for Q4 2025, filed 18 Feb 2026.