Nuveen’s Prothena Corp PRTA Stock Holding History

Nuveen’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
2023 Q3	–	Sell	-9,800	Closed	-$669K	–	3231
2023 Q2	$669K	Buy	+9,800	New	+$632K	﹤0.01%	2835

Other funds holding PRTA

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

RCMNY

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

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

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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

ACM

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

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

PAI

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

Nuveen's PRTA Position: Q2 2026 in Review

Nuveen reduced its Prothena Corp (PRTA) stake by 27% in Q2 2026, selling an estimated $2M and leaving 557,157 shares worth $5.45M. The position accounts for ﹤0.01% of the portfolio, ranked #2047.

Nuveen first reported a position in PRTA in Q1 2016 and has held it in 36 quarters since. The position peaked at $34.5M in Q4 2022. 187 funds tracked by Wall St. Rank hold PRTA as of Q2 2026.

Nuveen held 557,157 shares of Prothena Corp worth $5.45M as of Q2 2026.
Nuveen sold 202,211 Prothena Corp shares in Q2 2026, an estimated $2M.
Prothena Corp made up ﹤0.01% of Nuveen's portfolio in Q2 2026, its #2047 holding.
Nuveen first reported a position in Prothena Corp in Q1 2016 and has held it in 36 quarters since.
Nuveen's Prothena Corp position peaked at $34.5M in Q4 2022.
187 funds tracked by Wall St. Rank held Prothena Corp as of Q2 2026.

Based on Nuveen's 13F filing for Q2 2026, filed 11 Aug 2026.