Amundi
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Amundi’s Prothena Corp PRTA Stock Holding History

Amundi’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
Q2 		– Sell
-2,014
Closed -$22.8K – 2057
2025
Q1 		$22.8K Buy
2,014
+60
+3% +$848 ﹤0.01% 1853
2024
Q4 		$27.7K Sell
1,954
-11,732
-86% -$185K ﹤0.01% 1873
2024
Q3 		$228K Sell
13,686
-2,213
-14% -$47.6K ﹤0.01% 1627
2024
Q2 		$319K Buy
+15,899
New +$344K ﹤0.01% 1456
2024
Q1 		– Sell
-166,631
Closed -$6.6M – 2063
2023
Q4 		$6.6M Sell
166,631
-9,941
-6% -$383K ﹤0.01% 937
2023
Q3 		$7.78M Buy
176,572
+67,721
+62% +$4.02M ﹤0.01% 888
2023
Q2 		$7.48M Buy
108,851
+106,070
+3,814% +$6.84M ﹤0.01% 911
2023
Q1 		$134K Hold
2,781
– – ﹤0.01% 1675
2022
Q4 		$156K Sell
2,781
-250
-8% -$14.6K ﹤0.01% 1546
2022
Q3 		$176K Buy
+3,031
New +$95.8K ﹤0.01% 1472

Other funds holding PRTA

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
ACM
ADAR1 Capital Management Austin, Texas $1.7B AUM 340.85% 1-Year Est. Return
AC
Armistice Capital New York $5.62B AUM 36.06% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
PAI
Palo Alto Investors Palo Alto, California $654M AUM 77.8% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Amundi's PRTA Position: Q2 2025 in Review

Amundi sold out of Prothena Corp (PRTA) in Q2 2025, closing a stake of 2,014 shares — an estimated $22.8K sold.

Amundi first reported a position in PRTA in Q3 2022 and held it in 10 quarters. The position peaked at $7.78M in Q3 2023. 188 funds tracked by Wall St. Rank hold PRTA as of Q2 2025.

  • Amundi reported no remaining Prothena Corp position as of Q2 2025 after selling out during the quarter.
  • Amundi sold 2,014 Prothena Corp shares in Q2 2025, an estimated $22.8K.
  • Amundi first reported a position in Prothena Corp in Q3 2022 and held it in 10 quarters.
  • Amundi's Prothena Corp position peaked at $7.78M in Q3 2023.
  • 188 funds tracked by Wall St. Rank held Prothena Corp as of Q2 2025.

Based on Amundi's 13F filing for Q2 2025, filed 13 Aug 2025.