FRM
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Fox Run Management’s Prothena Corp PRTA Stock Holding History

Fox Run 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
2026
Q1 		$324K Buy
35,052
+25,007
+249% +$229K 0.06% 599
2025
Q4 		$95.9K Sell
10,045
-34,287
-77% -$349K 0.01% 856
2025
Q3 		$433K Buy
+44,332
New +$341K 0.07% 554
2024
Q3 		– Sell
-18,591
Closed -$384K – 1045
2024
Q2 		$384K Buy
+18,591
New +$402K 0.07% 495
2024
Q1 		– Sell
-6,403
Closed -$233K – 1000
2023
Q4 		$233K Sell
6,403
-3,214
-33% -$124K 0.06% 589
2023
Q3 		$464K Buy
+9,617
New +$571K 0.14% 291
2022
Q4 		– Sell
-7,126
Closed -$432K – 835
2022
Q3 		$432K Sell
7,126
-5,792
-45% -$183K 0.17% 231
2022
Q2 		$351K Buy
+12,918
New +$378K 0.18% 233
2018
Q3 		– Sell
-26,113
Closed -$381K – 774
2018
Q2 		$381K Buy
+26,113
New +$516K 0.12% 344

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State Street
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D.E. Shaw & Co
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ACM
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Acadian Asset Management
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VPM
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Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
PAI
Palo Alto Investors Palo Alto, California $654M AUM 77.8% 1-Year Est. Return