13F

Stock

Research Frontiers Inc

REFR · held by 35 managers

Reported value

$5.19M

Holders

35

+0 new · −1 exited

Holders’ est. mark

−$1.11K

Price effect on 2 books still in the name

Largest holder

$1.2M

MGO ONE SEVEN LLC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
MGO ONE SEVEN LLC918.2K$1.2M—Held
Vanguard774.5K$1.01M—Held
BlackRock, Inc.605.1K$792.7K—Held
Focus Partners Wealth496.4K$650.3K—Held
GEODE CAPITAL MANAGEMENT, LLC311.2K$407.8K—Held
SUSQUEHANNA INTERNATIONAL GROUP, LLP123K$161.1K—Held
State Street105.6K$138.4K—Held
Kingsview Wealth Management, LLC103.1K$135K—Held
SHUFRO ROSE & CO LLC97.5K$127.7K—Held
Renaissance Technologies78.3K$102.5K—Held
Citadel60.3K$79K—Held
NORTHERN TRUST CORP52.6K$68.9K—Held
RAYMOND JAMES FINANCIAL INC42.9K$56.2K—Held
TWO SIGMA SECURITIES, LLC22.9K$30K—Held
CHARLES SCHWAB INVESTMENT MANAGEMENT INC21.9K$28.6K—Held
XTX Topco Ltd21.1K$27.6K—Held
FreeGulliver LLC20K$26.2K—Held
HM PAYSON & CO20K$26.2K—Held
JANE STREET GROUP, LLC15.1K$19.8K—Held
HALBERT HARGROVE GLOBAL ADVISORS, LLC15K$19.6K—Held
MERCER GLOBAL ADVISORS INC /ADV14K$18.3K—Held
Schonfeld Strategic Advisors LLC13.8K$18.1K—Held
HB Wealth Management, LLC10K$13.1K—Held
OSAIC HOLDINGS, INC.4K$5.24K—Held
MORGAN STANLEY3.94K$5.16K−$1.1KCut−$1.1K
UBS Group AG3K$3.93K—Held
Rockefeller Capital Management L.P.2.7K$3.54K—Held
Tower Research Capital LLC (TRC)2.07K$2.71K—Held
JPMORGAN CHASE & CO1.04K$1.36K—Held
NewEdge Advisors, LLC250$328—Held
Fairman Group, LLC125$164—Held
BANK OF AMERICA CORP /DE/26$34−$7Cut−$6
Virtu Financial LLC20.8K$27—Held
CITIGROUP INC1$1—Held
ROYAL BANK OF CANADA144$0—Held

Who left

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.