Research Frontiers Incorporated (REFR)
Who owns Research Frontiers Incorporated (REFR)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 78.0% of the shares are freely tradable; institutional investors hold 13.7%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| We Are One Seven, LLC | 2.63 | 918,182 | +0.0 | 03/31/2026 |
| Vanguard Group Inc | 2.22 | 774,479 | +19.9 | 12/31/2025 |
| BlackRock Inc | 1.74 | 608,398 | +0.5 | 03/31/2026 |
| Vanguard Capital Management, LLC | 1.63 | 568,154 | +0.0 | 03/31/2026 |
| The Colony Group LLC | 1.42 | 496,422 | +0.0 | 03/31/2026 |
| Geode Capital Management, LLC | 0.87 | 302,761 | -2.7 | 03/31/2026 |
| Vanguard Fiduciary Trust Co | 0.51 | 177,030 | +0.0 | 03/31/2026 |
| Susquehanna International Group, LLP | 0.45 | 156,786 | +27.5 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Institutional Extnd Mkt Idx Tr | 0.81 | 282,644 | +0.0 | 04/30/2026 |
| Vanguard Total Stock Mkt Idx Inv | 0.79 | 276,087 | +0.0 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.