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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, Q2 2021

Institutional positions in Research Frontiers Inc as of Jun 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
42
−12 vs. Q1 2021
Shares held
3.37M
−2.33M (−40.9%) vs. Q1 2021
Total value
$7.99M
−$8.17M (−50.6%) vs. Q1 2021
New holders
6
9 more added
Sold out
18
17 more reduced

Compare with Q1 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 holdersQ2 2021: 42 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 heldQ2 2021: $7.99M
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, Q2 2021

Shares, value and share of portfolio for each institution holding Research Frontiers Inc; share changes are against Q1 2021.

Institutions holding REFR in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc1,222,406$2.90M0.00%−134,834−9.9%Reduced
BlackRock Inc.636,826$1.51M0.00%−1,396,973−68.7%Reduced
Millennium Management LLC334,962$794.0K0.00%+334,962New
Geode Capital Management, LLC191,245$453.0K0.00%−180,787−48.6%Reduced
Shufro Rose & Co LLC170,750$405.0K0.03%00.0%Unchanged
Ergoteles LLC120,113$285.0K0.01%+120,113New
State Street Corp112,497$267.0K0.00%−306,051−73.1%Reduced
Susquehanna International Group, LLP101,291$240.0K0.00%−19,114−15.9%Reduced
HRT Financial LP58,000$137.0K0.00%+58,000New
Northern Trust Corp56,348$134.0K0.00%−229,678−80.3%Reduced
Renaissance Technologies LLC48,214$114.0K0.00%+28,325+142.4%Added
Kingsview Wealth Management, LLC46,851$110.0K0.01%+1,400+3.1%Added
Morgan Stanley28,102$67.0K0.00%+5,473+24.2%Added
Wells Fargo & Company24,660$58.0K0.00%−2,889−10.5%Reduced
Schonfeld Strategic Advisors LLC24,100$57.0K0.00%00.0%Unchanged
Cambridge Investment Research Advisors, Inc.21,466$51.0K0.00%+6,064+39.4%Added
Bank of New York Mellon Corp18,394$44.0K0.00%−54,614−74.8%Reduced
Parametric Portfolio Associates LLC18,654$44.0K0.00%+5,265+39.3%Added
ExodusPoint Capital Management, LP17,451$41.0K0.00%+17,451New
Raymond James Financial Services Advisors, Inc.15,155$36.0K0.00%00.0%Unchanged
Mercer Global Advisors Inc14,000$33.0K0.00%00.0%Unchanged
Envestnet Asset Management Inc14,000$33.0K0.00%00.0%Unchanged
Cetera Advisors LLC13,820$33.0K0.00%00.0%Unchanged
Homrich & Berg10,000$24.0K0.00%−1,000−9.1%Reduced
UBS Group AG9,908$23.0K0.00%+4,398+79.8%Added
Tower Research Capital LLC (TRC)6,651$16.0K0.00%+2,004+43.1%Added
Barclays PLC6,033$14.0K0.00%−16,150−72.8%Reduced
Royal Bank of Canada5,359$13.0K0.00%+3,169+144.7%Added
Pacitti Group Inc.4,700$11.0K0.01%00.0%Unchanged
Bank of America Corp4,183$10.0K0.00%−28,965−87.4%Reduced
Advisor Group Holdings, Inc.3,165$8.00K0.00%+515+19.4%Added
Quadrant Capital Group LLC2,292$5.00K0.00%+2,292New
JPMorgan Chase & Co1,874$4.00K0.00%−70,899−97.4%Reduced
Captrust Financial Advisors1,550$4.00K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.1,735$4.00K0.00%+1,735New
BNP Paribas Arbitrage, SA1,044$2.47K0.00%−2,522−70.7%Reduced
Citigroup Inc843$2.00K0.00%−913−52.0%Reduced
Whittier Trust Co693$2.00K0.00%00.0%Unchanged
New York State Common Retirement Fund242$1.00K0.00%−9,958−97.6%Reduced
Group One Trading, L.P.564$1.00K0.00%−9,010−94.1%Reduced
IFP Advisors, Inc500$1.00K0.00%00.0%Unchanged
FMR LLC19$00.00%−34−64.2%Reduced
Nuveen Asset Management, LLC0$00.00%−103,009−100.0%Sold out
Charles Schwab Investment Management Inc0$00.00%−57,115−100.0%Sold out
California Public Employees Retirement System0$00.00%−53,241−100.0%Sold out
California State Teachers Retirement System0$00.00%−40,005−100.0%Sold out
NorthRock Partners, LLC0$00.00%−40,000−100.0%Sold out
Invesco Ltd.0$00.00%−22,847−100.0%Sold out
Deutsche Bank AG0$00.00%−18,762−100.0%Sold out
Rhumbline Advisers0$00.00%−18,345−100.0%Sold out
Jump Financial, LLC0$00.00%−18,000−100.0%Sold out
American International Group, Inc.0$00.00%−15,465−100.0%Sold out
Goldman Sachs Group Inc0$00.00%−15,246−100.0%Sold out
Voya Investment Management LLC0$00.00%−13,216−100.0%Sold out
Virtu Financial LLC0$00.00%−10,608−100.0%Sold out
Raymond James & Associates0$00.00%−10,154−100.0%Sold out
Legal & General Group Plc0$00.00%−2,803−100.0%Sold out
Ameritas Investment Partners, Inc.0$00.00%−2,344−100.0%Sold out
Bank of Montreal0$00.00%−1,485−100.0%Sold out
Simplex Trading, LLC0$00.00%−15,113−100.0%Sold out