Research Frontiers Inc
REFR- Exchange
- Nasdaq
- Industry
- Patent Owners & Lessors
- SEC CIK
- 0000793524
No open-market purchases or sales by Research Frontiers Inc insiders were filed in the last 90 days; 34 institutions reported holding it in 13F filings for Q2 2026, worth $1.91M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Research Frontiers Inc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 35
- +1 vs. Q4 2025
- Shares held
- 3.83M
- +619.5K (+19.3%) vs. Q4 2025
- Total value
- $3.48M
- −$722.2K (−17.2%) vs. Q4 2025
- New holders
- 9
- 6 more added
- Sold out
- 8
- 7 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting REFR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 34 | $1.91M |
| Q1 2026 | 35 | $3.48M |
| Q4 2025 | 35 | $5.21M |
| Q3 2025 | 30 | $6.63M |
| Q2 2025 | 30 | $7.09M |
| Q1 2025 | 33 | $5.11M |
| Q4 2024 | 30 | $7.06M |
| Q3 2024 | 30 | $6.99M |
| Q2 2024 | 31 | $7.84M |
| Q1 2024 | 34 | $5.45M |
| Q4 2023 | 35 | $3.27M |
| Q3 2023 | 38 | $3.67M |
| Q2 2023 | 39 | $5.44M |
| Q1 2023 | 31 | $6.42M |
| Q4 2022 | 32 | $5.43M |
| Q3 2022 | 26 | $5.94M |
| Q2 2022 | 25 | $4.81M |
| Q1 2022 | 31 | $5.65M |
| Q4 2021 | 32 | $5.21M |
| Q3 2021 | 32 | $8.21M |
| Q2 2021 | 42 | $7.99M |
| Q1 2021 | 54 | $16.2M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Research Frontiers Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| SBI Securities Co., Ltd. | 5 | $5 | 0.00% | +5 | New |
| Fairman Group, LLC | 125 | $113 | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 332 | $305 | 0.00% | +332 | New |
| Citigroup Inc | 438 | $395 | 0.00% | +437+43,700.0% | Added |
| JPMorgan Chase & Co | 1,042 | $948 | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 1,174 | $1.08K | 0.00% | −1,828−60.9% | Reduced |
| MAI Capital Management | 1,500 | $1.35K | 0.00% | +1,500 | New |
| Morgan Stanley | 3,935 | $3.62K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 4,000 | $3.68K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 6,055 | $5.57K | 0.00% | +3,986+192.7% | Added |
| HB Wealth Management, LLC | 10,000 | $9.02K | 0.00% | 00.0% | Unchanged |
| Farrell Financial LLC | 10,457 | $9.43K | 0.01% | +10,457 | New |
| Vanguard Global Advisers, LLC | 11,108 | $10.0K | 0.00% | +11,108 | New |
| Jane Street Group, LLC | 11,575 | $10.6K | 0.00% | −3,516−23.3% | Reduced |
| Schonfeld Strategic Advisors LLC | 13,857 | $12.7K | 0.00% | +21+0.2% | Added |
| Buckingham Strategic Partners | 14,091 | $12.8K | 0.00% | +14,091 | New |
| Mercer Global Advisors Inc | 14,000 | $12.9K | 0.00% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 15,809 | $14.5K | 0.00% | −7,065−30.9% | Reduced |
| Raymond James Financial Inc | 17,880 | $16.4K | 0.00% | −25,052−58.4% | Reduced |
| Goldman Sachs Group Inc | 18,506 | $17.0K | 0.00% | +18,506 | New |
| HM Payson & Co | 20,000 | $18.0K | 0.00% | 00.0% | Unchanged |
| FreeGulliver LLC | 20,000 | $18.0K | 0.01% | 00.0% | Unchanged |
| XTX Topco Ltd | 32,970 | $29.7K | 0.00% | +11,913+56.6% | Added |
| Kingsview Wealth Management, LLC | 44,950 | $41.4K | 0.00% | −58,110−56.4% | Reduced |
| Northern Trust Corp | 52,630 | $48.4K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 68,300 | $62.8K | 0.00% | −9,982−12.8% | Reduced |
| Shufro Rose & Co LLC | 97,500 | $89.7K | 0.01% | 00.0% | Unchanged |
| State Street Corp | 105,623 | $95.3K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 156,786 | $141.4K | 0.00% | +33,784+27.5% | Added |
| Vanguard Fiduciary Trust Co | 177,030 | $159.7K | 0.00% | +177,030 | New |
| Geode Capital Management, LLC | 302,761 | $273.2K | 0.00% | −8,450−2.7% | Reduced |
| Colony Group, LLC | 496,422 | $456.7K | 0.00% | 00.0% | Unchanged |
| Vanguard Capital Management LLC | 568,154 | $512.5K | 0.00% | +568,154 | New |
| BlackRock, Inc. | 608,398 | $559.7K | 0.00% | +3,272+0.5% | Added |
| We Are One Seven, LLC | 918,182 | $828.2K | 0.02% | 00.0% | Unchanged |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −60,312−100.0% | Sold out |
| Charles Schwab Investment Management Inc | 0 | $0 | 0.00% | −21,870−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −20,798−100.0% | Sold out |
| Halbert Hargrove Global Advisors, LLC | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −2,700−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −250−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −26−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −144−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |