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REFR · NASDAQ · Hardware, Equipment & Parts

Research Frontiers (REFR)

Licenses SPD light-control technology for automotive, aerospace, and architectural glass.

$0.7150
vs last close−0.04 (−5.80%)

13F · 13D/G · Form 4

Institutions10.54%3.68M shares
36 holders · as of Jun 30, 2026
Insiders23.54%8.21M shares
3 holders · as of Oct 17, 2025
Strategic holders6.12%2.13M shares
1 holder · as of Jul 8, 2019
Other59.80%20.85M shares
remainder

34.87M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

13F · 13D/G · Form 4

HolderStakeSharesDate
John BurbankInsider
11.63%4.05Mfiled Jan 24, 2024
Morgan Stephen L.Insider
6.68%2.33Mfiled Oct 17, 2025
Gauzy Ltd.Strategic
6.12%2.13Mfiled Jul 8, 2019
Kevin Douglas1Insider10 percent owner
5.23%1.82Mfiled Jan 25, 2021
Mgo One Seven LLCInstitution
2.54%886,602as of Jun 30, 2026
Vanguard Capital Management LLCInstitution
1.67%580,654as of Jun 30, 2026
BlackRock, Inc.Institution
1.53%532,542as of Jun 30, 2026
Colony Group, LLCInstitution
1.42%496,422as of Jun 30, 2026
Geode Capital Management, LLCInstitution
0.88%305,847as of Jun 30, 2026
Vanguard Fiduciary Trust CoInstitution
0.51%177,030as of Jun 30, 2026
Susquehanna International Group, LLPInstitution
0.44%155,066as of Jun 30, 2026
State Street CorpInstitution
0.30%105,623as of Jun 30, 2026
Shufro Rose & Co LLCInstitution
0.28%97,500as of Jun 30, 2026
Northern Trust CorpInstitution
0.15%52,630as of Jun 30, 2026
Renaissance Technologies LLCInstitution
0.12%40,789as of Jun 30, 2026
Freegulliver LLCInstitution
0.06%20,000as of Jun 30, 2026
HM Payson & CoInstitution
0.06%20,000as of Jun 30, 2026
TCTC Holdings, LLCInstitution
0.06%20,000as of Jun 30, 2026
Raymond James Financial IncInstitution
0.05%17,880as of Jun 30, 2026
XTX Topco LtdInstitution
0.05%17,504as of Jun 30, 2026
Kingsview Wealth Management, LLCInstitution
0.05%17,150as of Jun 30, 2026
CGN Advisors LLCInstitution
0.04%14,350as of Jun 30, 2026
Buckingham Strategic PartnersInstitution
0.04%14,091as of Jun 30, 2026
Mercer Global Advisors Inc /AdvInstitution
0.04%14,000as of Jun 30, 2026
Schonfeld Strategic Advisors LLCInstitution
0.04%13,857as of Jun 30, 2026
  1. Kevin Douglas's transaction reports restate only vehicles that traded; the 2021 ownership statement (1.82M) is used instead.

13F, as of Jun 30, 2026

36 holders · 3.68M shares · 5 new positions · 12 increased · 7 reduced · 5 closed

HolderShares% outstandingChg q/qFiled
Mgo One Seven LLC886.6K2.54%−31.6KJul 31, 2026
Vanguard Capital Management LLC580.7K1.67%+12.5KAug 13, 2026
BlackRock, Inc.532.5K1.53%−75.9KAug 7, 2026
Colony Group, LLC496.4K1.42%0Aug 12, 2026
Geode Capital Management, LLC305.8K0.88%+3.1KAug 12, 2026
Vanguard Fiduciary Trust Co177.0K0.51%0Aug 13, 2026
Susquehanna International Group, LLP155.1K0.44%−1.7KAug 14, 2026
State Street Corp105.6K0.30%0Aug 7, 2026

13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Morgan Stephen L.6.90%2.33M13GOct 17, 2025

Form 4

Latest trades

No open-market trades in the last 12 months.

House and Senate disclosures

Not reported.