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Arizona Public Safety Personnel Retirement System (PSPRS) Trust’s Prothena Corp PRTA Stock Holding History

Arizona Public Safety Personnel Retirement System (PSPRS) Trust’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
-27,700
Closed -$293K – 25
2025
Q3 		$293K Buy
+27,700
New +$213K 0.01% 14

Other funds holding PRTA

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BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
AC
Armistice Capital New York $5.62B AUM 36.06% 1-Year Est. Return
ACM
ADAR1 Capital Management Austin, Texas $1.7B AUM 340.85% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
PAI
Palo Alto Investors Palo Alto, California $654M AUM 77.8% 1-Year Est. Return

Arizona Public Safety Personnel Retirement System (PSPRS) Trust's PRTA Position: Q4 2025 in Review

Arizona Public Safety Personnel Retirement System (PSPRS) Trust sold out of Prothena Corp (PRTA) in Q4 2025, closing a stake of 27,700 shares — an estimated $293K sold.

Arizona Public Safety Personnel Retirement System (PSPRS) Trust first reported a position in PRTA in Q3 2025 and held it in 1 quarter. The position peaked at $293K in Q3 2025. 181 funds tracked by Wall St. Rank hold PRTA as of Q4 2025.

  • Arizona Public Safety Personnel Retirement System (PSPRS) Trust reported no remaining Prothena Corp position as of Q4 2025 after selling out during the quarter.
  • Arizona Public Safety Personnel Retirement System (PSPRS) Trust sold 27,700 Prothena Corp shares in Q4 2025, an estimated $293K.
  • Arizona Public Safety Personnel Retirement System (PSPRS) Trust first reported a position in Prothena Corp in Q3 2025 and held it in 1 quarter.
  • Arizona Public Safety Personnel Retirement System (PSPRS) Trust's Prothena Corp position peaked at $293K in Q3 2025.
  • 181 funds tracked by Wall St. Rank held Prothena Corp as of Q4 2025.

Based on Arizona Public Safety Personnel Retirement System (PSPRS) Trust's 13F filing for Q4 2025, filed 11 Feb 2026.