RESEARCH FRONTIERS INC REFR
Nasdaq · XNAS · stock · Patent Owners & Lessors · website · IPO 1986-07-08
RESEARCH FRONTIERS INC institutional holders (13F)
| Investor | Shares | Value |
|---|---|---|
| BlackRock Finance, Inc. | 608,909 | $1.1M |
| RENAISSANCE TECHNOLOGIES LLC | 68,300 | $62,836 |
Source: SEC EDGAR filings · CIK 0000793524 · as of 2025-12-31. Facts from filings plus Stocktoria's own computed scores — not investment advice.