BAM
PRTA icon

Byrne Asset Management’s Prothena Corp PRTA Stock Holding History

Byrne 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
2024
Q4 		– Sell
-760
Closed -$12.7K – 570
2024
Q3 		$12.7K Buy
760
+40
+6% +$860 0.01% 356
2024
Q2 		$14.8K Buy
720
+40
+6% +$866 0.01% 324
2024
Q1 		$16.8K Buy
680
+380
+127% +$11.3K 0.01% 315
2023
Q4 		$11.4K Buy
300
+20
+7% +$770 0.01% 344
2023
Q3 		$14K Buy
280
+20
+8% +$1.19K 0.01% 312
2023
Q2 		$18K Sell
260
-60
-19% -$3.87K 0.01% 342
2023
Q1 		$16K Buy
320
+113
+55% +$5.97K 0.01% 342
2022
Q4 		$12.5K Buy
+207
New +$12.1K 0.01% 361

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
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
PAI
Palo Alto Investors Palo Alto, California $654M AUM 77.8% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $3.61B AUM 203.3% 1-Year Est. Return

Byrne Asset Management's PRTA Position: Q4 2024 in Review

Byrne Asset Management sold out of Prothena Corp (PRTA) in Q4 2024, closing a stake of 760 shares — an estimated $12.7K sold.

Byrne Asset Management first reported a position in PRTA in Q4 2022 and held it in 8 quarters. The position peaked at $18K in Q2 2023. 170 funds tracked by Wall St. Rank hold PRTA as of Q4 2024.

  • Byrne Asset Management reported no remaining Prothena Corp position as of Q4 2024 after selling out during the quarter.
  • Byrne Asset Management sold 760 Prothena Corp shares in Q4 2024, an estimated $12.7K.
  • Byrne Asset Management first reported a position in Prothena Corp in Q4 2022 and held it in 8 quarters.
  • Byrne Asset Management's Prothena Corp position peaked at $18K in Q2 2023.
  • 170 funds tracked by Wall St. Rank held Prothena Corp as of Q4 2024.

Based on Byrne Asset Management's 13F filing for Q4 2024, filed 28 Jan 2025.