Millennium Management’s Prothena Corp PRTA Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Sell
-21,976
Closed -$201K 6342
2025
Q4
$210K Sell
21,976
-599,123
-96% -$6.1M ﹤0.01% 5453
2025
Q3
$6.06M Buy
621,099
+450,520
+264% +$3.46M ﹤0.01% 2935
2025
Q2
$1.04M Buy
170,579
+118,112
+225% +$886K ﹤0.01% 4378
2025
Q1
$649K Sell
52,467
-70,538
-57% -$997K ﹤0.01% 4652
2024
Q4
$1.7M Buy
123,005
+10,467
+9% +$165K ﹤0.01% 3769
2024
Q3
$1.88M Buy
112,538
+81,246
+260% +$1.75M ﹤0.01% 3754
2024
Q2
$646K Sell
31,292
-290,949
-90% -$6.3M ﹤0.01% 4429
2024
Q1
$7.98M Buy
322,241
+284,585
+756% +$8.47M 0.01% 2410
2023
Q4
$1.37M Sell
37,656
-227,869
-86% -$8.77M ﹤0.01% 3912
2023
Q3
$12.8M Buy
265,525
+232,425
+702% +$13.8M 0.01% 1813
2023
Q2
$2.26M Sell
33,100
-161,539
-83% -$10.4M ﹤0.01% 3370
2023
Q1
$9.43M Sell
194,639
-18,971
-9% -$1M 0.01% 2016
2022
Q4
$12.9M Buy
213,610
+84,173
+65% +$4.93M 0.01% 1863
2022
Q3
$7.85M Sell
129,437
-75,233
-37% -$2.38M 0.01% 2447
2022
Q2
$5.56M Sell
204,670
-68,005
-25% -$1.99M 0.01% 2684
2022
Q1
$9.97M Buy
272,675
+52,784
+24% +$1.9M 0.01% 2176
2021
Q4
$10.9M Buy
219,891
+68,222
+45% +$3.78M 0.01% 2064
2021
Q3
$10.8M Buy
151,669
+63,725
+72% +$3.96M 0.01% 1955
2021
Q2
$4.52M Buy
87,944
+64,988
+283% +$2.03M 0.01% 2890
2021
Q1
$577K Sell
22,956
-527,314
-96% -$9.92M ﹤0.01% 4710
2020
Q4
$6.61M Sell
550,270
-168,869
-23% -$2M 0.01% 2177
2020
Q3
$7.18K Buy
719,139
+74,312
+12% +$894K 0.02% 1530
2020
Q2
$6.75M Buy
644,827
+8,017
+1% +$89.1K 0.02% 1513
2020
Q1
$6.81M Buy
636,810
+110,541
+21% +$1.34M 0.03% 1111
2019
Q4
$8.33M Sell
526,269
-702,207
-57% -$7.53M 0.01% 1530
2019
Q3
$9.63M Buy
1,228,476
+692,291
+129% +$6.15M 0.02% 1305
2019
Q2
$5.67M Buy
536,185
+503,741
+1,553% +$5.17M 0.01% 1676
2019
Q1
$394K Sell
32,444
-38,518
-54% -$481K ﹤0.01% 3406
2018
Q4
$731K Sell
70,962
-667,063
-90% -$7.93M ﹤0.01% 2748
2018
Q3
$9.65M Sell
738,025
-104,139
-12% -$1.5M 0.01% 1349
2018
Q2
$12.3M Sell
842,164
-29,145
-3% -$576K 0.02% 1181
2018
Q1
$32M Buy
871,309
+862,283
+9,553% +$31.4M 0.05% 641
2017
Q4
$338K Buy
+9,026
New +$460K ﹤0.01% 3283
2017
Q2
Sell
-10,691
Closed -$596K 3786
2017
Q1
$596K Sell
10,691
-5,684
-35% -$299K ﹤0.01% 2721
2016
Q4
$805K Buy
+16,375
New +$904K ﹤0.01% 2372
2016
Q3
Sell
-10,498
Closed -$367K 3546
2016
Q2
$367K Sell
10,498
-238,024
-96% -$10.4M ﹤0.01% 2637
2016
Q1
$10.2M Buy
248,522
+245,388
+7,830% +$9.6M 0.03% 820
2015
Q4
$213K Sell
3,134
-280,788
-99% -$16.9M ﹤0.01% 3061
2015
Q3
$12.9M Sell
283,922
-255,991
-47% -$14.9M 0.03% 796
2015
Q2
$28.4M Sell
539,913
-198,516
-27% -$7.83M 0.06% 462
2015
Q1
$28.2M Sell
738,429
-128,617
-15% -$3.3M 0.06% 490
2014
Q4
$18M Buy
867,046
+202,196
+30% +$4.22M 0.04% 663
2014
Q3
$14.7M Sell
664,850
-25,281
-4% -$536K 0.04% 649
2014
Q2
$15.6M Sell
690,131
-50,954
-7% -$1.27M 0.05% 598
2014
Q1
$28.4M Buy
741,085
+552,318
+293% +$17.8M 0.09% 308
2013
Q4
$5.01M Buy
188,767
+117,379
+164% +$2.94M 0.02% 1167
2013
Q3
$1.44M Buy
+71,388
New +$1.26M 0.01% 1880

Other funds holding PRTA