Palo Alto Investors’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 | $7.74M | Sell |
1,274,753
-384,981
| -23% | -$2.34M | 1.65% | 13 |
|
|
2025
Q1 | $20.5M | Sell |
1,659,734
-78,230
| -5% | -$968K | 3.91% | 9 |
|
|
2024
Q4 | $24.1M | Hold |
1,737,964
| – | – | 3.73% | 10 |
|
|
2024
Q3 | $29.1M | Buy |
1,737,964
+71,586
| +4% | +$1.2M | 3.78% | 9 |
|
|
2024
Q2 | $34.4M | Buy |
1,666,378
+2,930
| +0.2% | +$60.5K | 3.99% | 9 |
|
|
2024
Q1 | $41.2M | Buy |
1,663,448
+3,391
| +0.2% | +$84K | 4.65% | 8 |
|
|
2023
Q4 | $60.3M | Buy |
1,660,057
+2,599
| +0.2% | +$94.4K | 5.44% | 7 |
|
|
2023
Q3 | $80M | Hold |
1,657,458
| – | – | 7.57% | 6 |
|
|
2023
Q2 | $113M | Sell |
1,657,458
-6,319
| -0.4% | -$431K | 9.14% | 6 |
|
|
2023
Q1 | $80.6M | Buy |
1,663,777
+5,200
| +0.3% | +$252K | 6.68% | 8 |
|
|
2022
Q4 | $99.9M | Buy |
1,658,577
+8,800
| +0.5% | +$530K | 8.52% | 6 |
|
|
2022
Q3 | $100M | Sell |
1,649,777
-31,700
| -2% | -$1.92M | 7.91% | 7 |
|
|
2022
Q2 | $45.7M | Hold |
1,681,477
| – | – | 3.98% | 9 |
|
|
2022
Q1 | $61.5M | Sell |
1,681,477
-3,805
| -0.2% | -$139K | 4.75% | 9 |
|
|
2021
Q4 | $83.3M | Hold |
1,685,282
| – | – | 5.32% | 8 |
|
|
2021
Q3 | $120M | Sell |
1,685,282
-46,200
| -3% | -$3.29M | 7.25% | 6 |
|
|
2021
Q2 | $89M | Sell |
1,731,482
-11,023
| -0.6% | -$567K | 4.91% | 9 |
|
|
2021
Q1 | $43.8M | Buy |
1,742,505
+50,700
| +3% | +$1.27M | 2.49% | 15 |
|
|
2020
Q4 | $20.3M | Buy |
1,691,805
+363,071
| +27% | +$4.36M | 1.07% | 18 |
|
|
2020
Q3 | $13.3M | Buy |
1,328,734
+557,669
| +72% | +$5.57M | 0.73% | 21 |
|
|
2020
Q2 | $8.07M | Sell |
771,065
-4,231
| -0.5% | -$44.3K | 0.48% | 22 |
|
|
2020
Q1 | $8.3M | Sell |
775,296
-217,453
| -22% | -$2.33M | 0.69% | 21 |
|
|
2019
Q4 | $15.7M | Sell |
992,749
-11,700
| -1% | -$185K | 0.87% | 20 |
|
|
2019
Q3 | $7.88M | Sell |
1,004,449
-104,061
| -9% | -$816K | 0.52% | 22 |
|
|
2019
Q2 | $11.7M | Hold |
1,108,510
| – | – | 0.57% | 24 |
|
|
2019
Q1 | $13.4M | Hold |
1,108,510
| – | – | 0.56% | 24 |
|
|
2018
Q4 | $11.4M | Buy |
1,108,510
+5,185
| +0.5% | +$53.4K | 0.61% | 24 |
|
|
2018
Q3 | $14.4M | Hold |
1,103,325
| – | – | 0.58% | 24 |
|
|
2018
Q2 | $16.1M | Buy |
1,103,325
+1,987
| +0.2% | +$29K | 0.64% | 24 |
|
|
2018
Q1 | $40.4M | Buy |
1,101,338
+5,683
| +0.5% | +$209K | 1.73% | 18 |
|
|
2017
Q4 | $41.1M | Hold |
1,095,655
| – | – | 1.77% | 18 |
|
|
2017
Q3 | $71M | Buy |
1,095,655
+21,700
| +2% | +$1.41M | 2.99% | 10 |
|
|
2017
Q2 | $58.1M | Buy |
1,073,955
+18,100
| +2% | +$980K | 2.71% | 13 |
|
|
2017
Q1 | $58.9M | Buy |
1,055,855
+62,000
| +6% | +$3.46M | 2.78% | 12 |
|
|
2016
Q4 | $48.9M | Buy |
993,855
+59,400
| +6% | +$2.92M | 2.79% | 12 |
|
|
2016
Q3 | $56M | Buy |
934,455
+145,837
| +18% | +$8.75M | 3.26% | 11 |
|
|
2016
Q2 | $27.6M | Buy |
788,618
+93,100
| +13% | +$3.25M | 2.08% | 15 |
|
|
2016
Q1 | $28.6M | Hold |
695,518
| – | – | 2.22% | 12 |
|
|
2015
Q4 | $47.4M | Sell |
695,518
-400
| -0.1% | -$27.2K | 2.64% | 10 |
|
|
2015
Q3 | $31.6M | Hold |
695,918
| – | – | 1.52% | 13 |
|
|
2015
Q2 | $36.7M | Hold |
695,918
| – | – | 1.63% | 14 |
|
|
2015
Q1 | $26.5M | Buy |
695,918
+4,700
| +0.7% | +$179K | 1.31% | 19 |
|
|
2014
Q4 | $14.4M | Buy |
691,218
+17,400
| +3% | +$361K | 0.84% | 26 |
|
|
2014
Q3 | $14.9M | Buy |
673,818
+139,800
| +26% | +$3.1M | 1.12% | 24 |
|
|
2014
Q2 | $12M | Buy |
534,018
+1,100
| +0.2% | +$24.8K | 0.9% | 29 |
|
|
2014
Q1 | $20.4M | Sell |
532,918
-4,500
| -0.8% | -$172K | 1.69% | 17 |
|
|
2013
Q4 | $14.3M | Buy |
537,418
+448,918
| +507% | +$11.9M | 1.33% | 20 |
|
|
2013
Q3 | $1.79M | Hold |
88,500
| – | – | 0.19% | 29 |
|
|
2013
Q2 | $1.14M | Buy |
+88,500
| New | +$1.14M | 0.13% | 30 |
|