Arrowstreet Capital
PRTA icon

Arrowstreet Capital’s Prothena Corp PRTA Stock Holding History

Arrowstreet Capital’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 		– Sell
-298,101
Closed -$2.85M – 2051
2025
Q4 		$2.85M Sell
298,101
-356,193
-54% -$3.63M ﹤0.01% 1296
2025
Q3 		$6.39M Buy
+654,294
New +$5.03M ﹤0.01% 1093
2020
Q3 		– Sell
-42,255
Closed -$442K – 2481
2020
Q2 		$442K Buy
+42,255
New +$470K ﹤0.01% 1997
2014
Q4 		– Sell
-168,562
Closed -$3.73M – 1319
2014
Q3 		$3.73M Buy
168,562
+141,187
+516% +$2.99M 0.02% 449
2014
Q2 		$617K Buy
+27,375
New +$685K ﹤0.01% 791
2014
Q1 		– Sell
-35,446
Closed -$940K – 1298
2013
Q4 		$940K Buy
+35,446
New +$889K 0.01% 838

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