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Arizona State Retirement System’s Prothena Corp PRTA Stock Holding History

Arizona State Retirement System’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
Q1 		– Sell
-10,136
Closed -$140K – 2136
2024
Q4 		$140K Buy
10,136
+72
+0.7% +$1.14K ﹤0.01% 2028
2024
Q3 		$168K Buy
10,064
+288
+3% +$6.19K ﹤0.01% 2008
2024
Q2 		$202K Sell
9,776
-1,285
-12% -$27.8K ﹤0.01% 1894
2024
Q1 		$274K Sell
11,061
-164
-1% -$4.88K ﹤0.01% 1758
2023
Q4 		$408K Sell
11,225
-40
-0.4% -$1.54K ﹤0.01% 1566
2023
Q3 		$544K Buy
11,265
+184
+2% +$10.9K ﹤0.01% 1329
2023
Q2 		$757K Buy
11,081
+1,269
+13% +$81.8K 0.01% 1177
2023
Q1 		$476K Buy
9,812
+544
+6% +$28.7K ﹤0.01% 1426
2022
Q4 		$558K Buy
9,268
+364
+4% +$21.3K 0.01% 1306
2022
Q3 		$540K Buy
8,904
+48
+0.5% +$1.52K 0.01% 1282
2022
Q2 		$240K Buy
8,856
+39
+0.4% +$1.14K ﹤0.01% 1817
2022
Q1 		$322K Buy
8,817
+330
+4% +$11.9K ﹤0.01% 1754
2021
Q4 		$419K Buy
8,487
+64
+0.8% +$3.55K ﹤0.01% 1638
2021
Q3 		$600K Buy
8,423
+831
+11% +$51.6K ﹤0.01% 1429
2021
Q2 		$390K Buy
+7,592
New +$237K ﹤0.01% 1722

Other funds holding PRTA

EC
EcoR1 Capital San Francisco, California $2.36B AUM 204.53% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
AC
Armistice Capital New York $5.62B AUM 36.06% 1-Year Est. Return
PAI
Palo Alto Investors Palo Alto, California $654M AUM 77.8% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $3.61B AUM 203.3% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Arizona State Retirement System's PRTA Position: Q1 2025 in Review

Arizona State Retirement System sold out of Prothena Corp (PRTA) in Q1 2025, closing a stake of 10,136 shares — an estimated $140K sold.

Arizona State Retirement System first reported a position in PRTA in Q2 2021 and held it in 15 quarters. The position peaked at $757K in Q2 2023. 161 funds tracked by Wall St. Rank hold PRTA as of Q1 2025.

  • Arizona State Retirement System reported no remaining Prothena Corp position as of Q1 2025 after selling out during the quarter.
  • Arizona State Retirement System sold 10,136 Prothena Corp shares in Q1 2025, an estimated $140K.
  • Arizona State Retirement System first reported a position in Prothena Corp in Q2 2021 and held it in 15 quarters.
  • Arizona State Retirement System's Prothena Corp position peaked at $757K in Q2 2023.
  • 161 funds tracked by Wall St. Rank held Prothena Corp as of Q1 2025.

Based on Arizona State Retirement System's 13F filing for Q1 2025, filed 1 May 2025.