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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.

Q2 2021 vs. Q1 2021

How the institutions holding Research Frontiers Inc changed between Q1 2021 and Q2 2021.

All holders in Q2 2021All holders in Q1 2021

13F holders of REFR: Q1 2021 compared with Q2 2021
MeasureQ1 2021Q2 2021Change
Holders5442−12
Shares5.70M3.37M−2.33M (−40.9%)
Value$16.2M$7.99M−$8.17M (−50.6%)

New holders (6)

Institutions that held Research Frontiers Inc at the end of Q2 2021 but not at the end of Q1 2021.

Institutions new to REFR in Q2 2021
InstitutionSharesValue% of portfolio
Millennium Management LLC334,962$794.0K0.00%
Ergoteles LLC120,113$285.0K0.01%
HRT Financial LP58,000$137.0K0.00%
ExodusPoint Capital Management, LP17,451$41.0K0.00%
Quadrant Capital Group LLC2,292$5.00K0.00%
The PNC Financial Services Group, Inc.1,735$4.00K0.00%

Sold out (18)

Institutions that held Research Frontiers Inc at the end of Q1 2021 and filed for Q2 2021 without it.