Prothena shares owned by Hm Payson & Co
Historical chart of Hm Payson & Co investment in Prothena
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All positions including Prothena held by Hm Payson & Co consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Prothena by Hm Payson & Co
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $5.9k | 600 | 9.76 |
| 2025-06-30 | $3.6k | 600 | 6.07 |
| 2025-03-31 | $7.4k | 600 | 12.38 |
| 2024-12-31 | $11k | 800 | 13.85 |