American Century Companies’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 | $774K | Buy |
79,631
+827
| +1% | +$7.58K | ﹤0.01% | 2401 |
|
|
2025
Q4 | $753K | Buy |
78,804
+6,565
| +9% | +$66.8K | ﹤0.01% | 2402 |
|
|
2025
Q3 | $705K | Buy |
72,239
+12,274
| +20% | +$94.3K | ﹤0.01% | 2418 |
|
|
2025
Q2 | $364K | Buy |
59,965
+25,129
| +72% | +$189K | ﹤0.01% | 2615 |
|
|
2025
Q1 | $431K | Buy |
34,836
+4,437
| +15% | +$62.7K | ﹤0.01% | 2564 |
|
|
2024
Q4 | $421K | Buy |
30,399
+12,097
| +66% | +$191K | ﹤0.01% | 2558 |
|
|
2024
Q3 | $306K | Buy |
+18,302
| New | +$394K | ﹤0.01% | 2640 |
|
|
2023
Q1 | – | Sell |
-4,167
| Closed | -$251K | – | 2687 |
|
|
2022
Q4 | $251K | Buy |
+4,167
| New | +$244K | ﹤0.01% | 2272 |
|
|
2019
Q3 | – | Sell |
-267,821
| Closed | -$2.83M | – | 1291 |
|
|
2019
Q2 | $2.83M | Buy |
267,821
+62,065
| +30% | +$637K | ﹤0.01% | 964 |
|
|
2019
Q1 | $2.5M | Buy |
205,756
+185,985
| +941% | +$2.32M | ﹤0.01% | 963 |
|
|
2018
Q4 | $204K | Buy |
+19,771
| New | +$235K | ﹤0.01% | 1209 |
|
|
2018
Q1 | – | Sell |
-33,377
| Closed | -$1.25M | – | 1318 |
|
|
2017
Q4 | $1.25M | Buy |
33,377
+9,395
| +39% | +$478K | ﹤0.01% | 1071 |
|
|
2017
Q3 | $1.55M | Buy |
23,982
+3,398
| +17% | +$208K | ﹤0.01% | 1079 |
|
|
2017
Q2 | $1.11M | Sell |
20,584
-2,235
| -10% | -$119K | ﹤0.01% | 1124 |
|
|
2017
Q1 | $1.27M | Sell |
22,819
-15,988
| -41% | -$840K | ﹤0.01% | 1107 |
|
|
2016
Q4 | $1.91M | Sell |
38,807
-4,137
| -10% | -$228K | ﹤0.01% | 1047 |
|
|
2016
Q3 | $2.58M | Sell |
42,944
-5,207
| -11% | -$279K | ﹤0.01% | 1022 |
|
|
2016
Q2 | $1.68M | Buy |
48,151
+6,290
| +15% | +$274K | ﹤0.01% | 1059 |
|
|
2016
Q1 | $1.72M | Buy |
41,861
+807
| +2% | +$31.6K | ﹤0.01% | 1034 |
|
|
2015
Q4 | $2.8M | Buy |
41,054
+11,043
| +37% | +$666K | ﹤0.01% | 966 |
|
|
2015
Q3 | $1.36M | Buy |
+30,011
| New | +$1.75M | ﹤0.01% | 1067 |
|
|
2015
Q2 | – | Sell |
-85,113
| Closed | -$3.25M | – | 1401 |
|
|
2015
Q1 | $3.25M | Sell |
85,113
-107,442
| -56% | -$2.76M | ﹤0.01% | 957 |
|
|
2014
Q4 | $4M | Buy |
192,555
+17,690
| +10% | +$369K | ﹤0.01% | 926 |
|
|
2014
Q3 | $3.88M | Buy |
174,865
+107,571
| +160% | +$2.28M | ﹤0.01% | 937 |
|
|
2014
Q2 | $1.52M | Buy |
+67,294
| New | +$1.68M | ﹤0.01% | 1153 |
|
Other funds holding PRTA
RCMNY
ACM
VPM
PAI