Jane Street’s Prothena Corp PRTA Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$713K Sell
117,453
-15,187
-11% -$92.2K ﹤0.01% 3280
2025
Q1
$1.64M Buy
132,640
+77,112
+139% +$954K ﹤0.01% 2474
2024
Q4
$769K Sell
55,528
-39,916
-42% -$553K ﹤0.01% 3312
2024
Q3
$1.6M Sell
95,444
-26,021
-21% -$435K ﹤0.01% 2735
2024
Q2
$2.51M Buy
121,465
+67,069
+123% +$1.38M ﹤0.01% 2472
2024
Q1
$1.35M Sell
54,396
-130,799
-71% -$3.24M ﹤0.01% 2818
2023
Q4
$6.73M Buy
185,195
+178,939
+2,860% +$6.5M ﹤0.01% 1230
2023
Q3
$302K Sell
6,256
-47,219
-88% -$2.28M ﹤0.01% 4059
2023
Q2
$3.65M Buy
53,475
+34,082
+176% +$2.33M ﹤0.01% 1778
2023
Q1
$940K Buy
+19,393
New +$940K ﹤0.01% 2890
2022
Q4
Hold
0
6089
2022
Q3
Sell
-25,168
Closed -$683K 6206
2022
Q2
$683K Buy
+25,168
New +$683K ﹤0.01% 3215
2022
Q1
Sell
-9,168
Closed -$453K 6085
2021
Q4
$453K Sell
9,168
-3,781
-29% -$187K ﹤0.01% 3584
2021
Q3
$922K Buy
+12,949
New +$922K ﹤0.01% 2746
2021
Q2
Hold
0
5637
2021
Q1
Hold
0
5292
2020
Q4
Sell
-23,592
Closed -$236K 4295
2020
Q3
$236K Sell
23,592
-21,308
-47% -$213K ﹤0.01% 3086
2020
Q2
$470K Buy
+44,900
New +$470K ﹤0.01% 2591
2019
Q1
Sell
-17,111
Closed -$176K 3635
2018
Q4
$176K Buy
+17,111
New +$176K ﹤0.01% 2863
2018
Q3
Sell
-10,417
Closed -$152K 3821
2018
Q2
$152K Sell
10,417
-313
-3% -$4.57K ﹤0.01% 2985
2018
Q1
$394K Buy
+10,730
New +$394K ﹤0.01% 2312
2017
Q4
Sell
-6,237
Closed -$404K 3390
2017
Q3
$404K Buy
+6,237
New +$404K ﹤0.01% 2113
2017
Q2
Sell
-8,731
Closed -$487K 3148
2017
Q1
$487K Buy
+8,731
New +$487K ﹤0.01% 1870
2016
Q1
Sell
-3,402
Closed -$232K 2930
2015
Q4
$232K Buy
+3,402
New +$232K ﹤0.01% 2203
2014
Q1
Sell
-19,635
Closed -$521K 2681
2013
Q4
$521K Buy
+19,635
New +$521K 0.01% 996