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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.

13F holders, Q3 2021

Institutional positions in Research Frontiers Inc as of Sep 30, 2021. 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
32
−10 vs. Q2 2021
Shares held
3.21M
−161.8K (−4.8%) vs. Q2 2021
Total value
$8.21M
+$225.4K (+2.8%) vs. Q2 2021
New holders
2
6 more added
Sold out
12
14 more reduced

Compare with Q2 2021: 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.

Institutional holdersQ3 2021: 32 institutions
Q1 2021: 54 institutionsQ2 2021: 42 institutionsQ3 2021: 32 institutionsQ4 2021: 32 institutionsQ1 2022: 31 institutionsQ2 2022: 25 institutionsQ3 2022: 26 institutionsQ4 2022: 32 institutionsQ1 2023: 31 institutionsQ2 2023: 39 institutionsQ3 2023: 38 institutionsQ4 2023: 35 institutionsQ1 2024: 34 institutionsQ2 2024: 31 institutionsQ3 2024: 30 institutionsQ4 2024: 30 institutionsQ1 2025: 33 institutionsQ2 2025: 30 institutionsQ3 2025: 30 institutionsQ4 2025: 35 institutionsQ1 2026: 35 institutionsQ2 2026: 34 institutions
Value heldQ3 2021: $8.21M
Q1 2021: $16.2MQ2 2021: $7.99MQ3 2021: $8.21MQ4 2021: $5.21MQ1 2022: $5.65MQ2 2022: $4.81MQ3 2022: $5.94MQ4 2022: $5.43MQ1 2023: $6.42MQ2 2023: $5.44MQ3 2023: $3.67MQ4 2023: $3.27MQ1 2024: $5.45MQ2 2024: $7.84MQ3 2024: $6.99MQ4 2024: $7.06MQ1 2025: $5.11MQ2 2025: $7.09MQ3 2025: $6.63MQ4 2025: $5.21MQ1 2026: $3.48MQ2 2026: $1.91M
Institutions holding REFR and their total value by quarter
QuarterHoldersValue
Q2 202634$1.91M
Q1 202635$3.48M
Q4 202535$5.21M
Q3 202530$6.63M
Q2 202530$7.09M
Q1 202533$5.11M
Q4 202430$7.06M
Q3 202430$6.99M
Q2 202431$7.84M
Q1 202434$5.45M
Q4 202335$3.27M
Q3 202338$3.67M
Q2 202339$5.44M
Q1 202331$6.42M
Q4 202232$5.43M
Q3 202226$5.94M
Q2 202225$4.81M
Q1 202231$5.65M
Q4 202132$5.21M
Q3 202132$8.21M
Q2 202142$7.99M
Q1 202154$16.2M

Institutions, Q3 2021

Shares, value and share of portfolio for each institution holding Research Frontiers Inc; share changes are against Q2 2021.

Institutions holding REFR in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc1,229,333$3.15M0.00%+6,927+0.6%Added
BlackRock Inc.629,681$1.61M0.00%−7,145−1.1%Reduced
Millennium Management LLC208,550$534.0K0.00%−126,412−37.7%Reduced
Geode Capital Management, LLC188,702$483.0K0.00%−2,543−1.3%Reduced
Shufro Rose & Co LLC171,250$438.0K0.03%+500+0.3%Added
Susquehanna International Group, LLP151,491$388.0K0.00%+50,200+49.6%Added
Ergoteles LLC117,913$302.0K0.01%−2,200−1.8%Reduced
State Street Corp112,497$288.0K0.00%00.0%Unchanged
Northern Trust Corp56,348$144.0K0.00%00.0%Unchanged
HRT Financial LP53,369$136.0K0.00%−4,631−8.0%Reduced
Kingsview Wealth Management, LLC41,751$107.0K0.01%−5,100−10.9%Reduced
Wells Fargo & Company34,668$89.0K0.00%+10,008+40.6%Added
Citadel Advisors LLC30,354$78.0K0.00%+30,354New
Schonfeld Strategic Advisors LLC24,000$61.0K0.00%−100−0.4%Reduced
Cambridge Investment Research Advisors, Inc.21,466$55.0K0.00%00.0%Unchanged
Bank of New York Mellon Corp18,394$47.0K0.00%00.0%Unchanged
Wolverine Trading, LLC16,695$42.0K0.00%+16,695New
Raymond James Financial Services Advisors, Inc.15,155$39.0K0.00%00.0%Unchanged
Mercer Global Advisors Inc14,000$36.0K0.00%00.0%Unchanged
Envestnet Asset Management Inc14,000$36.0K0.00%00.0%Unchanged
Cetera Advisors LLC13,820$35.0K0.00%00.0%Unchanged
Morgan Stanley12,363$31.0K0.00%−15,739−56.0%Reduced
Group One Trading, L.P.11,023$28.0K0.00%+10,459+1,854.4%Added
Homrich & Berg10,000$26.0K0.00%00.0%Unchanged
Pacitti Group Inc.4,700$12.0K0.01%00.0%Unchanged
Barclays PLC3,002$8.00K0.00%−3,031−50.2%Reduced
Advisor Group Holdings, Inc.1,650$4.00K0.00%−1,515−47.9%Reduced
JPMorgan Chase & Co1,042$3.00K0.00%−832−44.4%Reduced
BNP Paribas Arbitrage, SA1,119$2.87K0.00%+75+7.2%Added
Bank of America Corp525$1.00K0.00%−3,658−87.4%Reduced
Royal Bank of Canada22$00.00%−5,337−99.6%Reduced
FMR LLC4$00.00%−15−78.9%Reduced
Renaissance Technologies LLC0$00.00%−48,214−100.0%Sold out
Parametric Portfolio Associates LLC0$00.00%−18,654−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−17,451−100.0%Sold out
UBS Group AG0$00.00%−9,908−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−6,651−100.0%Sold out
Quadrant Capital Group LLC0$00.00%−2,292−100.0%Sold out
The PNC Financial Services Group, Inc.0$00.00%−1,735−100.0%Sold out
Captrust Financial Advisors0$00.00%−1,550−100.0%Sold out
Citigroup Inc0$00.00%−843−100.0%Sold out
Whittier Trust Co0$00.00%−693−100.0%Sold out
New York State Common Retirement Fund0$00.00%−242−100.0%Sold out
IFP Advisors, Inc0$00.00%−500−100.0%Sold out