Wellington Management Group
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Wellington Management Group’s Prothena Corp PRTA Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$655K Sell
107,839
-5,091,689
-98% -$30.9M ﹤0.01% 1766
2025
Q1
$64.3M Buy
5,199,528
+68,652
+1% +$850K 0.01% 609
2024
Q4
$71.1M Buy
5,130,876
+952,088
+23% +$13.2M 0.01% 614
2024
Q3
$69.9M Buy
4,178,788
+539,359
+15% +$9.02M 0.01% 624
2024
Q2
$75.1M Sell
3,639,429
-112,718
-3% -$2.33M 0.01% 609
2024
Q1
$92.9M Buy
3,752,147
+1,158,045
+45% +$28.7M 0.02% 574
2023
Q4
$94.3M Buy
2,594,102
+452,455
+21% +$16.4M 0.02% 577
2023
Q3
$103M Sell
2,141,647
-69,575
-3% -$3.36M 0.02% 518
2023
Q2
$151M Sell
2,211,222
-54,856
-2% -$3.75M 0.03% 449
2023
Q1
$110M Buy
2,266,078
+501,185
+28% +$24.3M 0.02% 517
2022
Q4
$106M Buy
1,764,893
+1,333,384
+309% +$80.3M 0.02% 508
2022
Q3
$26.2M Buy
431,509
+338,055
+362% +$20.5M 0.01% 839
2022
Q2
$2.54M Sell
93,454
-32
-0% -$869 ﹤0.01% 1491
2022
Q1
$3.42M Buy
93,486
+147
+0.2% +$5.38K ﹤0.01% 1485
2021
Q4
$4.61M Buy
+93,339
New +$4.61M ﹤0.01% 1483
2021
Q3
Sell
-23,821
Closed -$1.22M 2245
2021
Q2
$1.22M Buy
23,821
+3,232
+16% +$166K ﹤0.01% 1761
2021
Q1
$517K Sell
20,589
-204,144
-91% -$5.13M ﹤0.01% 1846
2020
Q4
$2.7M Sell
224,733
-381,533
-63% -$4.58M ﹤0.01% 1426
2020
Q3
$6.06M Sell
606,266
-299,319
-33% -$2.99M ﹤0.01% 1226
2020
Q2
$9.47M Sell
905,585
-25,211
-3% -$264K ﹤0.01% 1082
2020
Q1
$9.96M Sell
930,796
-43,104
-4% -$461K ﹤0.01% 1034
2019
Q4
$15.4M Sell
973,900
-74,672
-7% -$1.18M ﹤0.01% 1053
2019
Q3
$8.22M Sell
1,048,572
-78,217
-7% -$613K ﹤0.01% 1223
2019
Q2
$11.9M Sell
1,126,789
-70,039
-6% -$740K ﹤0.01% 1156
2019
Q1
$14.5M Sell
1,196,828
-941,959
-44% -$11.4M ﹤0.01% 1096
2018
Q4
$22M Sell
2,138,787
-1,219,474
-36% -$12.6M 0.01% 968
2018
Q3
$43.9M Sell
3,358,261
-30,755
-0.9% -$402K 0.01% 842
2018
Q2
$49.4M Buy
3,389,016
+64,902
+2% +$946K 0.01% 797
2018
Q1
$122M Buy
3,324,114
+102,720
+3% +$3.77M 0.03% 514
2017
Q4
$121M Sell
3,221,394
-149,020
-4% -$5.59M 0.03% 501
2017
Q3
$218M Buy
3,370,414
+97,552
+3% +$6.32M 0.05% 339
2017
Q2
$177M Buy
3,272,862
+114,850
+4% +$6.22M 0.04% 359
2017
Q1
$176M Buy
3,158,012
+138,979
+5% +$7.75M 0.04% 363
2016
Q4
$149M Buy
3,019,033
+6,117
+0.2% +$301K 0.04% 389
2016
Q3
$181M Sell
3,012,916
-163,182
-5% -$9.79M 0.05% 342
2016
Q2
$111M Sell
3,176,098
-40,587
-1% -$1.42M 0.03% 449
2016
Q1
$132M Buy
3,216,685
+722,889
+29% +$29.8M 0.03% 392
2015
Q4
$170M Sell
2,493,796
-19,773
-0.8% -$1.35M 0.04% 346
2015
Q3
$114M Sell
2,513,569
-13,474
-0.5% -$611K 0.03% 415
2015
Q2
$133M Buy
2,527,043
+26,331
+1% +$1.39M 0.03% 410
2015
Q1
$95.4M Sell
2,500,712
-8,330
-0.3% -$318K 0.02% 527
2014
Q4
$52.1M Buy
2,509,042
+121,749
+5% +$2.53M 0.01% 728
2014
Q3
$52.9M Buy
2,387,293
+23,097
+1% +$512K 0.01% 701
2014
Q2
$53.3M Buy
2,364,196
+737,613
+45% +$16.6M 0.01% 723
2014
Q1
$62.3M Buy
1,626,583
+206,940
+15% +$7.93M 0.02% 669
2013
Q4
$37.6M Buy
1,419,643
+305,861
+27% +$8.11M 0.01% 816
2013
Q3
$22.5M Sell
1,113,782
-629,712
-36% -$12.7M 0.01% 950
2013
Q2
$22.5M Buy
+1,743,494
New +$22.5M 0.01% 937