Prothena shares owned by BlackRock
Historical chart of BlackRock investment in Prothena
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All positions including Prothena held by BlackRock consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Prothena by BlackRock
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2024-06-30 | $80M | 3.9M | 20.64 |
| 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 |