California State Teachers Retirement System (CalSTRS)’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
$202K Hold
33,243
﹤0.01% 2257
2025
Q1
$411K Hold
33,243
﹤0.01% 2126
2024
Q4
$460K Sell
33,243
-319
-1% -$4.42K ﹤0.01% 2150
2024
Q3
$561K Sell
33,562
-1,206
-3% -$20.2K ﹤0.01% 2069
2024
Q2
$718K Sell
34,768
-5,674
-14% -$117K ﹤0.01% 1918
2024
Q1
$1M Sell
40,442
-2,268
-5% -$56.2K ﹤0.01% 1791
2023
Q4
$1.55M Sell
42,710
-1,422
-3% -$51.7K ﹤0.01% 1594
2023
Q3
$2.13M Sell
44,132
-4,372
-9% -$211K ﹤0.01% 1355
2023
Q2
$3.31M Buy
48,504
+4,196
+9% +$287K ﹤0.01% 1192
2023
Q1
$2.15M Buy
44,308
+1,088
+3% +$52.7K ﹤0.01% 1424
2022
Q4
$2.6M Buy
43,220
+1,017
+2% +$61.3K ﹤0.01% 1324
2022
Q3
$2.56M Sell
42,203
-968
-2% -$58.7K ﹤0.01% 1289
2022
Q2
$1.17M Sell
43,171
-64
-0.1% -$1.74K ﹤0.01% 1848
2022
Q1
$1.58M Sell
43,235
-3,197
-7% -$117K ﹤0.01% 1768
2021
Q4
$2.29M Buy
46,432
+2,241
+5% +$111K ﹤0.01% 1658
2021
Q3
$3.15M Sell
44,191
-2,831
-6% -$202K ﹤0.01% 1429
2021
Q2
$2.42M Buy
47,022
+636
+1% +$32.7K ﹤0.01% 1670
2021
Q1
$1.17M Hold
46,386
﹤0.01% 2048
2020
Q4
$557K Hold
46,386
﹤0.01% 2376
2020
Q3
$463K Hold
46,386
﹤0.01% 2312
2020
Q2
$485K Sell
46,386
-14,333
-24% -$150K ﹤0.01% 2263
2020
Q1
$650K Sell
60,719
-1,926
-3% -$20.6K ﹤0.01% 1924
2019
Q4
$992K Hold
62,645
﹤0.01% 1973
2019
Q3
$491K Buy
62,645
+1,126
+2% +$8.83K ﹤0.01% 2316
2019
Q2
$650K Hold
61,519
﹤0.01% 2211
2019
Q1
$746K Sell
61,519
-1,411
-2% -$17.1K ﹤0.01% 2097
2018
Q4
$648K Buy
62,930
+1,443
+2% +$14.9K ﹤0.01% 2141
2018
Q3
$804K Sell
61,487
-4
-0% -$52 ﹤0.01% 2173
2018
Q2
$897K Buy
61,491
+2,352
+4% +$34.3K ﹤0.01% 2127
2018
Q1
$2.17M Sell
59,139
-1,395
-2% -$51.2K ﹤0.01% 1477
2017
Q4
$2.27M Sell
60,534
-918
-1% -$34.4K ﹤0.01% 1494
2017
Q3
$3.98M Sell
61,452
-6,615
-10% -$428K 0.01% 1132
2017
Q2
$3.68M Sell
68,067
-364
-0.5% -$19.7K 0.01% 1217
2017
Q1
$3.82M Sell
68,431
-3,200
-4% -$179K 0.01% 1248
2016
Q4
$3.52M Sell
71,631
-1,900
-3% -$93.5K 0.01% 1328
2016
Q3
$4.41M Buy
73,531
+700
+1% +$42K 0.01% 1138
2016
Q2
$2.55M Buy
72,831
+1,077
+2% +$37.6K 0.01% 1463
2016
Q1
$2.95M Buy
71,754
+13,814
+24% +$569K 0.01% 1367
2015
Q4
$3.95M Buy
57,940
+900
+2% +$61.3K 0.01% 1096
2015
Q3
$2.59M Sell
57,040
-100
-0.2% -$4.53K 0.01% 1366
2015
Q2
$3.01M Buy
57,140
+8,503
+17% +$448K 0.01% 1355
2015
Q1
$1.86M Sell
48,637
-800
-2% -$30.5K ﹤0.01% 1670
2014
Q4
$1.03M Buy
49,437
+210
+0.4% +$4.36K ﹤0.01% 2030
2014
Q3
$1.09M Buy
49,227
+9,230
+23% +$205K ﹤0.01% 1942
2014
Q2
$902K Buy
39,997
+14,200
+55% +$320K ﹤0.01% 2138
2014
Q1
$988K Hold
25,797
﹤0.01% 2012
2013
Q4
$684K Buy
25,797
+4,500
+21% +$119K ﹤0.01% 2227
2013
Q3
$431K Buy
21,297
+600
+3% +$12.1K ﹤0.01% 2463
2013
Q2
$267K Buy
+20,697
New +$267K ﹤0.01% 2698