Research Frontiers Incorporated
Ownership
Ownership Structure
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%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| We Are One Seven, LLC | 2.54 | 886,602 | -3.4 | 06/30/2026 |
| Vanguard Capital Management, LLC | 1.67 | 580,654 | +2.2 | 06/30/2026 |
| BlackRock Inc | 1.53 | 532,542 | -12.5 | 06/30/2026 |
| The Colony Group LLC | 1.42 | 496,422 | +0.0 | 06/30/2026 |
| Geode Capital Management, LLC | 0.88 | 305,847 | +1.0 | 06/30/2026 |
| Vanguard Fiduciary Trust Co | 0.51 | 177,030 | +0.0 | 06/30/2026 |
| Susquehanna International Group, LLP | 0.44 | 155,066 | -1.1 | 06/30/2026 |
| State Street Corp | 0.30 | 105,623 | +0.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 0.83 | 288,587 | +0.0 | 09/30/2026 |
| Fidelity Extended Market Index | 0.41 | 143,830 | -0.5 | 08/31/2026 |
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: November 3, 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.