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Research Frontiers REFR · USD

Information Technology · US listing · 🇺🇸 United States

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0.40

+9.70%

Close of 9 Nov 2026, in USD

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
MGO ONE SEVEN LLC886.6k2.64%−31.6k30 Jun 2026
VANGUARD CAPITAL MANAGEMENT LLC580.7k1.73%+12.5k30 Jun 2026
BLACKROCK, INC.532.5k1.59%−75.9k30 Jun 2026
COLONY GROUP, LLC496.4k1.48%—30 Jun 2026
GEODE CAPITAL MANAGEMENT, LLC305.8k0.91%+3.1k30 Jun 2026
VANGUARD FIDUCIARY TRUST CO177k0.53%—30 Jun 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP155.1k0.46%−1.7k30 Jun 2026
STATE STREET CORP105.6k0.32%—30 Jun 2026
SHUFRO ROSE & CO LLC97.5k0.29%—30 Jun 2026
NORTHERN TRUST CORP52.6k0.16%—30 Jun 2026
RENAISSANCE TECHNOLOGIES LLC40.8k0.12%−27.5k30 Jun 2026
TCTC HOLDINGS, LLC20k0.06%+20k30 Jun 2026
FREEGULLIVER LLC20k0.06%—30 Jun 2026
HM PAYSON & CO20k0.06%—30 Jun 2026
RAYMOND JAMES FINANCIAL INC17.9k0.05%—30 Jun 2026

Short interest

Shares sold short, 15 Oct 2026. US exchange data.

591.4k

-42.2% on the period before. 3.9 days to cover.

Short volume

Share of the day's trading sold short, 5 Nov 2026

63.3%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 29 Sept 20265,635 shares
  • 28 Sept 20261,250 shares
  • 25 Sept 202626,473 shares
  • 22 Sept 202679,662 shares
  • 21 Sept 2026528,256 shares

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.