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Persistent Asset Partners’s Prothena Corp PRTA Stock Holding History

Persistent Asset 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
2026
Q2 		$373K Buy
+38,100
New +$376K 0.11% 146
2026
Q1 		– Sell
-28,589
Closed -$273K – 445
2025
Q4 		$273K Buy
+28,589
New +$291K 0.12% 192

Other funds holding PRTA

Fidelity Investments
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
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
D.E. Shaw & Co
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
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

Persistent Asset Partners's PRTA Position: Q2 2026 in Review

Persistent Asset Partners opened a new position in Prothena Corp (PRTA) in Q2 2026: 38,100 shares worth $373K. The stake represents 0.11% of the portfolio and ranks #146 among its holdings. This is a return to the name: Persistent Asset Partners previously reported a position in PRTA as recently as Q4 2025.

Persistent Asset Partners first reported a position in PRTA in Q4 2025 and has held it in 2 quarters since. 188 funds tracked by Wall St. Rank hold PRTA as of Q2 2026.

  • Persistent Asset Partners held 38,100 shares of Prothena Corp worth $373K as of Q2 2026.
  • Prothena Corp was a new Persistent Asset Partners position in Q2 2026.
  • Prothena Corp made up 0.11% of Persistent Asset Partners's portfolio in Q2 2026, its #146 holding.
  • Persistent Asset Partners first reported a position in Prothena Corp in Q4 2025 and has held it in 2 quarters since.
  • 188 funds tracked by Wall St. Rank held Prothena Corp as of Q2 2026.

Based on Persistent Asset Partners's 13F filing for Q2 2026, filed 7 Aug 2026.