Research FrontiersREFR

13F holders, Q2 2026 (June 30)
34holders −1
4new positions
5sold out
1famous investor
$0.52avg. 13F price*

At the end of Q2 2026, 34 institutions reported holding Research Frontiers Inc. (REFR) in their 13F filings, down 1 from Q1 2026. 4 opened new positions and 5 sold out. The largest holders were Mgo One Seven LLC ($461K), Vanguard Capital Management LLC ($302K) and BlackRock, Inc. ($277K). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).

Company
Research Frontiers Inc.
CUSIP
760911107
Latest filing quarter
Q2 2026

History

Number of 13F holders

010203040 Q1 2024: 34Q1 2024Q2 2024: 31Q2 2024Q3 2024: 30Q3 2024Q4 2024: 30Q4 2024Q1 2025: 33Q1 2025Q2 2025: 30Q2 2025Q3 2025: 30Q3 2025Q4 2025: 35Q4 2025Q1 2026: 35Q1 2026Q2 2026: 34Q2 2026

Total Exit/New Position Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions4$19K
Exits5$17K

All 13F filers, Q1 2026 → Q2 2026: 56,064 shares bought and 205,232 shares sold, net −149,168 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 34 holders

Mgo One Seven LLC 0.01% Reduce -3.4% 886,602 $461K
Vanguard Capital Management LLC 0.00% Add +2.2% 580,654 $302K
BlackRock, Inc. 0.00% Reduce -12.5% 532,542 $277K
Focus Partners Wealth 0.00% No change 496,422 $258K
Geode Capital Management, LLC 0.00% Add +1.0% 305,847 $159K
Vanguard Fiduciary Trust Co. 0.00% No change 177,030 $92K
Susquehanna International Group, LLP 0.00% Reduce -1.1% 155,066 $81K
State Street Corp. 0.00% No change 105,623 $55K
Shufro Rose & Co. LLC 0.00% No change 97,500 $51K
Northern Trust Corp. 0.00% No change 52,630 $27K
Renaissance Technologies 0.00% Reduce -40.3% 40,789 $21K
FreeGulliver LLC 0.00% No change 20,000 $10K
TCTC Holdings, LLC 0.00% New 20,000 $10K
HM Payson & Co. 0.00% No change 20,000 $10K
Raymond James Financial Inc. 0.00% No change 17,880 $9K
XTX Topco Ltd 0.00% Reduce -46.9% 17,504 $9K
Kingsview Wealth Management, LLC 0.00% Reduce -61.9% 17,150 $9K
CGN Advisors LLC 0.00% New 14,350 $7K
Focus Partners Advisor Solutions, LLC 0.00% No change 14,091 $7K
Mercer Global Advisors Inc. 0.00% No change 14,000 $7K
Schonfeld Strategic Advisors LLC 0.00% No change 13,857 $7K
Jane Street Group, LLC 0.00% Add +9.3% 12,649 $7K
Goldman Sachs Group Inc. 0.00% Reduce -37.5% 11,561 $6K
Vanguard Global Advisers, LLC 0.00% No change 11,108 $6K
Farrell Financial LLC 0.00% Reduce -1.4% 10,307 $5K
HB Wealth Management, LLC 0.00% No change 10,000 $5K
Tower Research Capital LLC (TRC) 0.00% Add +52.2% 9,215 $5K
Osaic Holdings, Inc. 0.00% No change 4,000 $2K
Morgan Stanley 0.00% Add +0.8% 3,967 $2K
Evolution Wealth Management Inc. 0.00% New 1,500 $780
UBS Group AG 0.00% Add +17.7% 1,382 $719
JPMorgan Chase & Co. 0.00% No change 1,042 $574
Barclays PLC 0.00% New 154 $80
SBI Securities Co., Ltd. 0.00% No change 5 $3

"% of holder's portfolio" is REFR's weight in each manager's 13F, not the share of Research Frontiers Inc. the manager owns.