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Research Frontiers Incorporated (REFR)

Technology Electronic Components
0.40 $
+2.6% vs. previous close
Closing price · As of: 31. Jul 2026

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

Institutional ownership
13.7%
Insiders
15.3%
Float
78.0%
Short % of float
1.1%
Shares Outstanding
35Mio.

Largest Shareholders

Institutions

Institutions REFR
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

Funds REFR
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.

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