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Disclosery

REFR RESEARCH FRONTIERS INC

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COM (common), issuer CIK 793524

35 managers (35 13F filers) reported a position in REFR shares at 2025-12-31, 3,980,581 shares in all. 9 filers opened a position and 4 filers sold out during the quarter.

Managers
35
13F filers
35
New
9
Added
10
Reduced
7
Sold out
4
Shares held by filers
3,980,581

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
MGO ONE SEVEN LLC918,182$1.2M0.02%-73,27213F-HRTimeline
VANGUARD GROUP INCin group VANGUARD GROUP INC774,479$1.01M<0.01%+128,40913F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.605,126$793K<0.01%+3,85013F-HRTimelineGroup
Focus Partners Wealthin group Focus Partners Wealth496,422$650K<0.01%-394,01013F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC311,211$408K<0.01%+3,11113F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…123,002$161K<0.01%+31,12613F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP105,623$138K<0.01%013F-HRTimelineGroup
Kingsview Wealth Management, LLC103,060$135K<0.01%-40,17513F-HRTimeline
SHUFRO ROSE & CO LLC97,500$128K0.01%-15,30013F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC78,282$103K<0.01%-9,81813F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC60,312$79K<0.01%new13F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP52,630$68.9K<0.01%+73613F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC42,932$56.2K<0.01%+1,59513F-HRTimelineGroup
TWO SIGMA SECURITIES, LLC22,874$30K<0.01%new13F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co21,870$28.6K<0.01%013F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd21,057$27.6K<0.01%new13F-HRTimelineGroup
Virtu Financial LLCin group Virtu Financial LLC20,798$27K<0.01%new13F-HRTimelineGroup
HM PAYSON & CO20,000$26.2K<0.01%013F-HRTimeline
FreeGulliver LLC20,000$26.2K0.01%013F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC15,091$19.8K<0.01%new13F-HRTimelineGroup
HALBERT HARGROVE GLOBAL ADVISORS, LLC15,000$19.6K<0.01%new13F-HRTimeline
MERCER GLOBAL ADVISORS INC /ADV14,000$18.3K<0.01%013F-HRTimeline
Schonfeld Strategic Advisors LLC13,836$18.1K<0.01%+30013F-HRTimeline
HB Wealth Management, LLC10,000$13.1K<0.01%013F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.4,000$5.24K<0.01%new13F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY3,935$5.16K<0.01%013F-HR/ATimelineGroup
UBS Group AGin group UBS Group AG3,002$3.93K<0.01%-4,54913F-HRTimelineGroup
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…2,700$3.54K<0.01%new13F-HR/ATimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…2,069$2.71K<0.01%+78713F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO1,042$1.36K<0.01%013F-HRTimelineGroup
NewEdge Advisors, LLC250$328<0.01%-1,72213F-HRTimeline
Fairman Group, LLC125$164<0.01%013F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/26$34<0.01%+113F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC1$1<0.01%new13F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA144$00%+11513F-HRTimelineGroupValue filed as zero, left out of ratios.