EGM
PRTA icon

Engineers Gate Manager’s Prothena Corp PRTA Stock Holding History

Engineers Gate Manager’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
-56,080
Closed -$547K – 2451
2025
Q3 		$547K Buy
56,080
+15,113
+37% +$116K 0.01% 1477
2025
Q2 		$249K Buy
+40,967
New +$307K ﹤0.01% 1808
2024
Q1 		– Sell
-36,523
Closed -$1.33M – 2231
2023
Q4 		$1.33M Buy
36,523
+25,139
+221% +$968K 0.04% 642
2023
Q3 		$549K Buy
11,384
+7,683
+208% +$456K 0.02% 1014
2023
Q2 		$253K Sell
3,701
-10,720
-74% -$691K 0.01% 1375
2023
Q1 		$699K Buy
14,421
+10,286
+249% +$543K 0.03% 808
2022
Q4 		$249K Buy
+4,135
New +$242K 0.02% 1274
2022
Q2 		– Sell
-21,992
Closed -$804K – 2187
2022
Q1 		$804K Buy
+21,992
New +$793K 0.03% 795
2021
Q4 		– Sell
-10,469
Closed -$746K – 2237
2021
Q3 		$746K Sell
10,469
-341
-3% -$21.2K 0.04% 651
2021
Q2 		$556K Buy
+10,810
New +$337K 0.04% 770

Other funds holding PRTA

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $8.16B AUM 68.42% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 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 $127B AUM 43.98% 1-Year Est. Return
AC
Armistice Capital New York $3.03B AUM 36.06% 1-Year Est. Return
ACM
ADAR1 Capital Management Austin, Texas $1.66B 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