Prothena shares owned by Bank of New York Mellon
Quarter-by-quarter ownership of Prothena (PRTA) shares owned by Bank of New York Mellon
from 13F filings
Historical chart of Bank of New York Mellon investment in Prothena
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Quarterly reported holdings in Prothena by Bank of New York Mellon
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2024-12-31 | $2.1M | 150k | 13.85 |
| 2024-09-30 | $2.2M | 131k | 16.73 |
| 2024-06-30 | $3.4M | 165k | 20.64 |
| 2024-03-31 | $3.6M | 146k | 24.77 |
| 2023-12-31 | $16M | 442k | 36.34 |
| 2023-09-30 | $24M | 499k | 48.25 |
| 2023-06-30 | $35M | 514k | 68.28 |
| 2023-03-31 | $8.0M | 164k | 48.47 |
| 2022-12-31 | $8.3M | 137k | 60.25 |
| 2022-09-30 | $0 | 140k | 0.00 |
| 2022-06-30 | $3.2M | 119k | 27.21 |
| 2022-03-31 | $5.6M | 154k | 36.58 |
| 2021-12-31 | $0 | 153k | 0.00 |
| 2021-09-30 | $0 | 137k | 0.00 |
| 2021-06-30 | $7.0M | 136k | 51.40 |
| 2021-03-31 | $3.3M | 130k | 25.11 |
| 2020-12-31 | $1.7M | 140k | 12.01 |
| 2020-09-30 | $1.5M | 149k | 9.99 |
| 2020-06-30 | $0 | 160k | 0.00 |
| 2020-03-31 | $3.6M | 332k | 10.70 |
| 2019-12-31 | $5.3M | 337k | 15.83 |
| 2019-09-30 | $2.6M | 334k | 7.84 |
| 2019-06-30 | $3.6M | 339k | 10.57 |
| 2019-03-31 | $4.4M | 362k | 12.13 |
| 2018-12-31 | $3.8M | 373k | 10.30 |
| 2018-09-30 | $2.7M | 204k | 13.09 |
| 2018-06-30 | $2.7M | 188k | 14.58 |
| 2018-03-31 | $6.6M | 179k | 36.71 |
| 2017-12-31 | $6.6M | 176k | 37.49 |
| 2017-06-30 | $10M | 186k | 54.13 |
| 2017-03-31 | $9.6M | 172k | 55.78 |
| 2016-12-31 | $7.9M | 162k | 49.19 |
| 2016-09-30 | $9.6M | 160k | 59.96 |
| 2016-06-30 | $5.7M | 163k | 34.96 |