# RESEARCH FRONTIERS INC (REFR)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/REFR/

- Reporting holders: 35
- Reported value: $2.0M
- Shares held by institutions: 3,796,050 of 34,867,786 outstanding
- Held through calls: 0.8%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [MGO ONE SEVEN LLC](https://holderbook.com/funds/1731444-mgo-one-seven-llc/) | $463.6K | 886,602 | 0.0% | 6 |
| [VANGUARD CAPITAL MANAGEMENT LLC](https://holderbook.com/funds/2100119-vanguard-capital-management-llc/) | $301.9K | 580,654 | 0.0% | 2 |
| [BlackRock, Inc.](https://holderbook.com/funds/2012383-blackrock-inc/) | $276.9K | 532,542 | 0.0% | 8 |
| [Focus Partners Wealth](https://holderbook.com/funds/1542153-focus-partners-wealth/) | $258.1K | 496,422 | 0.0% | 7 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1214717-geode-capital-management-llc/) | $159.1K | 305,847 | 0.0% | 31 |
| [STATE STREET CORP](https://holderbook.com/funds/93751-state-street-corp/) | $109.8K | 211,246 | 0.0% | 25 |
| [VANGUARD FIDUCIARY TRUST CO](https://holderbook.com/funds/933478-vanguard-fiduciary-trust-co/) | $92.1K | 177,030 | 0.0% | 2 |
| [SUSQUEHANNA INTERNATIONAL GROUP, LLP](https://holderbook.com/funds/1446194-susquehanna-international-group-llp/) | $80.6K | 155,066 | 0.0% | 9 |
| [SHUFRO ROSE & CO LLC](https://holderbook.com/funds/908195-shufro-rose-co-llc/) | $50.7K | 97,500 | 0.0% | 31 |
| [NORTHERN TRUST CORP](https://holderbook.com/funds/73124-northern-trust-corp/) | $27.4K | 52,630 | 0.0% | 31 |
| [RENAISSANCE TECHNOLOGIES LLC](https://holderbook.com/funds/1037389-renaissance-technologies-llc/) | $21.2K | 40,789 | 0.0% | 13 |
| [MERCER GLOBAL ADVISORS INC /ADV](https://holderbook.com/funds/853758-mercer-global-advisors-inc-adv/) | $14.6K | 28,000 | 0.0% | 24 |
| [CITADEL ADVISORS LLC](https://holderbook.com/funds/1423053-citadel-advisors-llc/) | $13.7K | 0 | 0.0% | 1 |
| [HM PAYSON & CO](https://holderbook.com/funds/928052-hm-payson-co/) | $10.4K | 20,000 | 0.0% | 5 |
| [TCTC Holdings, LLC](https://holderbook.com/funds/1483870-tctc-holdings-llc/) | $10.4K | 20,000 | 0.0% | 1 |
| [FreeGulliver LLC](https://holderbook.com/funds/2032561-freegulliver-llc/) | $10.4K | 20,000 | 0.0% | 10 |
| [RAYMOND JAMES FINANCIAL INC](https://holderbook.com/funds/720005-raymond-james-financial-inc/) | $9.3K | 17,880 | 0.0% | 7 |
| [XTX Topco Ltd](https://holderbook.com/funds/1828301-xtx-topco-ltd/) | $9.1K | 17,504 | 0.0% | 3 |
| [Kingsview Wealth Management, LLC](https://holderbook.com/funds/1791965-kingsview-wealth-management-llc/) | $8.9K | 17,150 | 0.0% | 30 |
| [CGN Advisors LLC](https://holderbook.com/funds/1841506-cgn-advisors-llc/) | $7.5K | 14,350 | 0.0% | 1 |
| [Focus Partners Advisor Solutions, LLC](https://holderbook.com/funds/1868872-focus-partners-advisor-solutions-llc/) | $7.3K | 14,091 | 0.0% | 2 |
| [Schonfeld Strategic Advisors LLC](https://holderbook.com/funds/1665241-schonfeld-strategic-advisors-llc/) | $7.2K | 13,857 | 0.0% | 24 |
| [JANE STREET GROUP, LLC](https://holderbook.com/funds/1595888-jane-street-group-llc/) | $6.6K | 12,649 | 0.0% | 3 |
| [GOLDMAN SACHS GROUP INC](https://holderbook.com/funds/886982-goldman-sachs-group-inc/) | $6.0K | 11,561 | 0.0% | 2 |
| [Vanguard Global Advisers, LLC](https://holderbook.com/funds/1811242-vanguard-global-advisers-llc/) | $5.8K | 11,108 | 0.0% | 2 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 35 | $2.0M |
| Q1 2026 | 35 | $3.5M |
| Q4 2025 | 34 | $5.3M |
| Q3 2025 | 31 | $6.9M |
| Q2 2025 | 32 | $7.2M |
| Q1 2025 | 33 | $5.2M |
| Q4 2024 | 32 | $8.8M |
| Q3 2024 | 31 | $7.0M |
| Q2 2024 | 31 | $7.9M |
| Q1 2024 | 34 | $5.8M |
| Q4 2023 | 34 | $3.4M |
| Q3 2023 | 37 | $3.7M |