TD Asset Management
PRTA icon

TD Asset Management’s Prothena Corp PRTA Stock Holding History

TD Asset Management’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
-62,694
Closed -$776K – 1238
2025
Q1 		$776K Sell
62,694
-2,000
-3% -$28.3K ﹤0.01% 1101
2024
Q4 		$896K Sell
64,694
-36,000
-36% -$568K ﹤0.01% 1127
2024
Q3 		$2.02M Hold
100,694
– – ﹤0.01% 1039
2024
Q2 		$2.08M Sell
100,694
-15,644
-13% -$339K ﹤0.01% 993
2024
Q1 		$2.88M Sell
116,338
-30,200
-21% -$898K ﹤0.01% 911
2023
Q4 		$5.33M Sell
146,538
-26,144
-15% -$1.01M 0.01% 751
2023
Q3 		$8.33M Buy
172,682
+83,269
+93% +$4.95M 0.01% 620
2023
Q2 		$6.11M Buy
89,413
+14,707
+20% +$949K 0.01% 697
2023
Q1 		$3.62M Sell
74,706
-6,807
-8% -$360K ﹤0.01% 827
2022
Q4 		$4.91M Buy
81,513
+12,974
+19% +$760K 0.01% 755
2022
Q3 		$4.08M Sell
68,539
-43,102
-39% -$1.36M 0.01% 801
2022
Q2 		$3.03M Sell
111,641
-17,500
-14% -$512K ﹤0.01% 877
2022
Q1 		$4.72M Sell
129,141
-34,076
-21% -$1.23M ﹤0.01% 837
2021
Q4 		$8.06M Buy
163,217
+36,323
+29% +$2.01M 0.01% 732
2021
Q3 		$9.04M Buy
126,894
+4,125
+3% +$256K 0.01% 675
2021
Q2 		$6.15M Buy
122,769
+43,881
+56% +$1.37M 0.01% 781
2021
Q1 		$1.98M Buy
+78,888
New +$1.48M ﹤0.01% 1110

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

TD Asset Management's PRTA Position: Q2 2025 in Review

TD Asset Management sold out of Prothena Corp (PRTA) in Q2 2025, closing a stake of 62,694 shares — an estimated $776K sold.

TD Asset Management first reported a position in PRTA in Q1 2021 and held it in 17 quarters. The position peaked at $9.04M in Q3 2021. 188 funds tracked by Wall St. Rank hold PRTA as of Q2 2025.

  • TD Asset Management reported no remaining Prothena Corp position as of Q2 2025 after selling out during the quarter.
  • TD Asset Management sold 62,694 Prothena Corp shares in Q2 2025, an estimated $776K.
  • TD Asset Management first reported a position in Prothena Corp in Q1 2021 and held it in 17 quarters.
  • TD Asset Management's Prothena Corp position peaked at $9.04M in Q3 2021.
  • 188 funds tracked by Wall St. Rank held Prothena Corp as of Q2 2025.

Based on TD Asset Management's 13F filing for Q2 2025, filed 28 Jul 2025.