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Who owns Research Frontiers (REFR) stock

34 funds reported Research Frontiers (REFR) shares in their latest 13F filings, worth $4.6M in all. The largest holder is WR Wealth Planners, LLC ($1.6M). Last quarter 9 funds added to their stakes and 13 cut them.

Largest holders of REFR (13F)Largest holders of REFR (13F)WR Wealth Planners, LLC$1.6MVanguard Group$1.0MMGO One Seven LLC$461KVanguard Capital Management LLC$302KBlackRock$277KFocus Partners Wealth$258KGeode Capital Management, LLC$159KVanguard Fiduciary Trust$92KStoneX Group$86KSusquehanna International Group, …$81K

Largest holders (13F)

FundSharesValueChangeQuarter
WR Wealth Planners, LLC950,458$1.6Mbase2024-12-31
Vanguard Group774,479$1.0Mincrease2025-12-31
MGO One Seven LLC886,602$461Kdecrease2026-06-30
Vanguard Capital Management LLC580,654$302Kincrease2026-06-30
BlackRock532,542$277Kdecrease2026-06-30
Focus Partners Wealth496,422$258Kunchanged2026-06-30
Geode Capital Management, LLC305,847$159Kincrease2026-06-30
Vanguard Fiduciary Trust177,030$92Kunchanged2026-06-30
StoneX Group196,708$86Knew2026-09-30
Susquehanna International Group, LLP155,066$81Kdecrease2026-06-30
State Street105,623$55Kunchanged2026-06-30
Shufro Rose & Co LLC97,500$51Kunchanged2026-06-30
Northern Trust52,630$27Kunchanged2026-06-30
Renaissance Technologies LLC40,789$21Kdecrease2026-06-30
Tctc Holdings, LLC20,000$15Kunchanged2026-09-30

Research Frontiers' latest quarter

Research Frontiers, Q3 2026: revenue $77K (-79% year over year), operating margin -672.5%, net loss $510K, operating cash flow −$443K. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most REFR stock?

By the latest 13F filings: WR Wealth Planners, LLC ($1.6M); Vanguard Group ($1.0M); MGO One Seven LLC ($461K); Vanguard Capital Management LLC ($302K); BlackRock ($277K).

What is the short interest in REFR?

591,379 shares were sold short at the 2026-10-15 settlement, -42.17% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.