BlackRock »

Prothena shares owned by BlackRock

Quarter-by-quarter ownership of Prothena (PRTA) shares owned by BlackRock from 13F filings

Historical chart of BlackRock investment in Prothena

Tip: Access up to 7 years of quarterly data

All positions including Prothena held by BlackRock consolidated in one spreadsheet with up to 7 years of data

Download as csvDownload consolidated filings csv Download as ExcelDownload consolidated filings xlsx

Quarterly reported holdings in Prothena by BlackRock

Quarter filed Position value Share count Share price at filing
2024-03-31 $92M 3.7M 24.77
2023-09-30 $171M 3.5M 48.25
2023-06-30 $247M 3.6M 68.28
2023-03-31 $176M 3.6M 48.47
2022-12-31 $210M 3.5M 60.25
2022-06-30 $94M 3.5M 27.14
2021-06-30 $189M 3.7M 51.41
2021-03-31 $90M 3.6M 25.12
2020-12-31 $44M 3.7M 12.02
2020-09-30 $37M 3.7M 10.00
2020-03-31 $36M 3.4M 10.70
2019-12-31 $54M 3.4M 15.83
2019-09-30 $27M 3.4M 7.85
2019-06-30 $35M 3.4M 10.57
2019-03-31 $40M 3.3M 12.13
2018-12-31 $35M 3.4M 10.30
2018-09-30 $43M 3.3M 13.09
2018-06-30 $46M 3.2M 14.58
2018-03-31 $106M 2.9M 36.67
2017-09-30 $195M 3.0M 64.76
2016-12-31 $141k 2.9k 49.26
2016-09-30 $188k 3.1k 60.12
2016-06-30 $99k 2.8k 35.21
2016-03-31 $110k 2.7k 41.38
2015-12-31 $64k 892 72.07
2015-09-30 $37k 832 44.44
2015-06-30 $44k 832 53.33
2015-03-31 $25k 652 38.34
2014-12-31 $14k 652 21.47
2014-09-30 $14k 652 21.47
2014-06-30 $12k 525 22.86
2014-03-31 $0 404 0.00
2013-12-31 $0 340 0.00
2013-09-30 $0 269 0.00
2013-06-30 $0 1 0.00