Jain Global’s Prothena Corp PRTA Stock Holding History

Jain Global’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	-11,780	Closed	-$115K	–	1460
2025 Q3	$115K	Sell	11,780 -6,482	-35%	-$49.8K	﹤0.01%	933
2025 Q2	$111K	Buy	+18,262	New	+$137K	﹤0.01%	1025

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 $3.38T AUM 44.17% 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

Jain Global's PRTA Position: Q4 2025 in Review

Jain Global sold out of Prothena Corp (PRTA) in Q4 2025, closing a stake of 11,780 shares — an estimated $115K sold.

Jain Global first reported a position in PRTA in Q2 2025 and held it in 2 quarters. The position peaked at $115K in Q3 2025. 181 funds tracked by Wall St. Rank hold PRTA as of Q4 2025.

Jain Global reported no remaining Prothena Corp position as of Q4 2025 after selling out during the quarter.
Jain Global sold 11,780 Prothena Corp shares in Q4 2025, an estimated $115K.
Jain Global first reported a position in Prothena Corp in Q2 2025 and held it in 2 quarters.
Jain Global's Prothena Corp position peaked at $115K in Q3 2025.
181 funds tracked by Wall St. Rank held Prothena Corp as of Q4 2025.

Based on Jain Global's 13F filing for Q4 2025, filed 17 Feb 2026.