Research Frontiers shares owned by Vanguard Group
Quarter-by-quarter ownership of Research Frontiers (REFR) shares owned by Vanguard Group
from 13F filings
Historical chart of Vanguard Group investment in Research Frontiers
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Quarterly reported holdings in Research Frontiers by Vanguard Group
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $1.0M | 646k | 1.59 |
| 2025-06-30 | $1.0M | 625k | 1.62 |
| 2025-03-31 | $589k | 522k | 1.13 |
| 2024-12-31 | $836k | 489k | 1.71 |
| 2024-09-30 | $1.1M | 489k | 2.19 |
| 2024-06-30 | $778k | 423k | 1.84 |
| 2024-03-31 | $549k | 423k | 1.30 |
| 2023-12-31 | $427k | 423k | 1.01 |
| 2023-09-30 | $507k | 470k | 1.08 |
| 2023-06-30 | $813k | 508k | 1.60 |
| 2023-03-31 | $2.1M | 1.2M | 1.71 |
| 2022-12-31 | $2.3M | 1.2M | 1.91 |
| 2022-06-30 | $2.1M | 1.2M | 1.74 |
| 2022-03-31 | $2.3M | 1.2M | 1.92 |
| 2021-09-30 | $3.1M | 1.2M | 2.56 |
| 2021-06-30 | $2.9M | 1.2M | 2.41 |
| 2021-03-31 | $3.8M | 1.4M | 2.84 |
| 2020-12-31 | $3.6M | 1.3M | 2.81 |
| 2020-09-30 | $3.4M | 1.3M | 2.70 |
| 2020-06-30 | $5.1M | 1.3M | 4.06 |
| 2020-03-31 | $2.7M | 1.2M | 2.34 |
| 2019-12-31 | $3.5M | 1.2M | 3.01 |
| 2019-09-30 | $3.4M | 1.1M | 3.15 |
| 2019-03-31 | $1.2M | 549k | 2.16 |
| 2018-12-31 | $498k | 319k | 1.56 |
| 2018-09-30 | $668k | 426k | 1.57 |
| 2018-06-30 | $358k | 436k | 0.82 |
| 2018-03-31 | $492k | 502k | 0.98 |
| 2017-12-31 | $553k | 503k | 1.10 |
| 2017-09-30 | $641k | 526k | 1.22 |
| 2017-06-30 | $748k | 558k | 1.34 |
| 2017-03-31 | $814k | 607k | 1.34 |
| 2016-12-31 | $1.1M | 607k | 1.83 |
| 2016-09-30 | $1.7M | 654k | 2.56 |
| 2016-06-30 | $2.4M | 654k | 3.66 |
| 2015-12-31 | $3.3M | 637k | 5.23 |
| 2015-09-30 | $2.9M | 565k | 5.10 |
| 2015-06-30 | $2.8M | 557k | 5.00 |
| 2015-03-31 | $3.2M | 542k | 6.00 |
| 2014-12-31 | $2.8M | 538k | 5.12 |
| 2014-09-30 | $3.1M | 535k | 5.75 |
| 2014-06-30 | $3.2M | 527k | 6.06 |
| 2014-03-31 | $2.7M | 527k | 5.19 |
| 2013-12-31 | $2.9M | 498k | 5.78 |
| 2013-09-30 | $2.1M | 498k | 4.24 |
| 2013-06-30 | $2.0M | 491k | 3.98 |
| 2013-03-31 | $1.8M | 480k | 3.68 |
| 2012-12-31 | $1.7M | 464k | 3.74 |
| 2012-09-30 | $1.8M | 411k | 4.45 |
| 2012-03-31 | $1.3M | 380k | 3.54 |
| 2011-09-30 | $1.4M | 373k | 3.78 |
| 2011-06-30 | $1.7M | 373k | 4.57 |
| 2011-03-31 | $2.5M | 368k | 6.82 |