Prothena shares owned by Sei Investments
Historical chart of Sei Investments investment in Prothena
Tip: Access up to 7 years of quarterly data
All positions including Prothena held by Sei Investments consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Prothena by Sei Investments
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2026-03-31 | $168k | 17k | 9.71 |
| 2023-09-30 | $228k | 4.7k | 48.25 |
| 2023-06-30 | $485k | 7.1k | 68.28 |
| 2023-03-31 | $291k | 6.0k | 48.47 |
| 2017-12-31 | $189k | 5.0k | 37.57 |
| 2017-09-30 | $211k | 3.3k | 64.72 |
| 2017-06-30 | $176k | 3.3k | 53.99 |