Prothena shares owned by Tower Research Capital
Quarter-by-quarter ownership of Prothena (PRTA) shares owned by Tower Research Capital
from 13F filings
Historical chart of Tower Research Capital investment in Prothena
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Quarterly reported holdings in Prothena by Tower Research Capital
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2024-03-31 | $15k | 584 | 24.77 |
| 2023-09-30 | $68k | 1.4k | 48.25 |
| 2023-06-30 | $173k | 2.5k | 68.28 |
| 2023-03-31 | $88k | 1.8k | 48.68 |
| 2022-12-31 | $92k | 1.5k | 59.62 |
| 2022-09-30 | $504k | 8.3k | 60.64 |
| 2022-06-30 | $137k | 5.1k | 27.10 |
| 2022-03-31 | $301k | 8.2k | 36.59 |
| 2021-12-31 | $170k | 3.4k | 50.00 |
| 2021-09-30 | $378k | 5.3k | 71.12 |
| 2021-06-30 | $106k | 2.1k | 51.26 |
| 2021-03-31 | $48k | 1.9k | 24.90 |
| 2020-12-31 | $41k | 3.4k | 12.13 |
| 2020-09-30 | $128k | 13k | 10.19 |
| 2020-06-30 | $103k | 9.2k | 11.15 |
| 2019-09-30 | $2.0k | 252 | 7.94 |
| 2019-03-31 | $56k | 4.6k | 12.11 |
| 2018-12-31 | $0 | 5 | 0.00 |
| 2018-03-31 | $96k | 2.6k | 36.89 |
| 2017-12-31 | $22k | 579 | 38.00 |
| 2017-09-30 | $0 | 7.6k | 0.00 |
| 2017-06-30 | $6.0k | 118 | 50.85 |
| 2017-03-31 | $17k | 306 | 55.56 |
| 2016-12-31 | $33k | 617 | 52.63 |
| 2016-09-30 | $63k | 1.1k | 59.89 |
| 2016-03-31 | $2.0k | 49 | 40.82 |
| 2015-12-31 | $14k | 200 | 70.00 |
| 2015-09-30 | $15k | 337 | 44.51 |
| 2015-06-30 | $46k | 885 | 52.39 |
| 2015-03-31 | $128k | 3.2k | 40.00 |
| 2014-12-31 | $11k | 541 | 20.33 |
| 2014-09-30 | $2.0k | 81 | 24.69 |
| 2014-06-30 | $58k | 2.6k | 22.49 |
| 2014-03-31 | $50k | 1.3k | 38.27 |
| 2013-12-31 | $9.0k | 350 | 25.71 |
| 2013-06-30 | $39k | 3.0k | 13.00 |
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