Research Frontiers shares owned by Northern Trust
Quarter-by-quarter ownership of Research Frontiers (REFR) shares owned by Northern Trust
from 13F filings
Historical chart of Northern Trust investment in Research Frontiers
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Quarterly reported holdings in Research Frontiers by Northern Trust
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $83k | 52k | 1.59 |
| 2025-06-30 | $85k | 52k | 1.64 |
| 2025-03-31 | $59k | 52k | 1.13 |
| 2024-12-31 | $89k | 52k | 1.71 |
| 2024-09-30 | $116k | 53k | 2.19 |
| 2024-03-31 | $70k | 54k | 1.30 |
| 2023-09-30 | $62k | 57k | 1.08 |
| 2023-06-30 | $92k | 57k | 1.60 |
| 2023-03-31 | $98k | 58k | 1.71 |
| 2022-12-31 | $102k | 53k | 1.91 |
| 2022-09-30 | $113k | 53k | 2.12 |
| 2022-06-30 | $93k | 53k | 1.75 |
| 2022-03-31 | $108k | 56k | 1.92 |
| 2021-12-31 | $97k | 56k | 1.73 |
| 2021-09-30 | $144k | 56k | 2.56 |
| 2021-06-30 | $134k | 56k | 2.38 |
| 2021-03-31 | $817k | 286k | 2.86 |
| 2020-12-31 | $875k | 311k | 2.81 |
| 2020-09-30 | $832k | 309k | 2.69 |
| 2020-06-30 | $465k | 113k | 4.10 |
| 2020-03-31 | $176k | 60k | 2.93 |
| 2019-12-31 | $177k | 60k | 2.93 |
| 2019-09-30 | $163k | 56k | 2.93 |
| 2019-06-30 | $114k | 39k | 2.93 |
| 2019-03-31 | $121k | 41k | 2.93 |
| 2018-12-31 | $121k | 41k | 2.93 |
| 2018-09-30 | $67k | 43k | 1.54 |
| 2018-06-30 | $33k | 43k | 0.77 |
| 2018-03-31 | $50k | 43k | 1.15 |
| 2017-12-31 | $50k | 43k | 1.15 |
| 2017-09-30 | $50k | 43k | 1.15 |
| 2017-06-30 | $50k | 43k | 1.15 |
| 2017-03-31 | $67k | 43k | 1.54 |
| 2016-12-31 | $77k | 40k | 1.92 |
| 2016-09-30 | $104k | 39k | 2.69 |
| 2016-06-30 | $134k | 39k | 3.46 |
| 2016-03-31 | $152k | 33k | 4.62 |
| 2015-12-31 | $177k | 33k | 5.38 |
| 2015-09-30 | $164k | 33k | 5.00 |
| 2015-06-30 | $172k | 32k | 5.38 |
| 2015-03-31 | $227k | 37k | 6.15 |
| 2014-12-31 | $203k | 40k | 5.05 |
| 2014-09-30 | $233k | 40k | 5.81 |
| 2014-06-30 | $244k | 40k | 6.06 |
| 2014-03-31 | $215k | 40k | 5.31 |
| 2013-12-31 | $233k | 40k | 5.81 |
| 2013-09-30 | $185k | 43k | 4.30 |
| 2013-06-30 | $176k | 44k | 3.99 |