DOSSIER · 13F Holders · Q1 2026
CLIR
ClearSign Technologies Corporation
20 institutions still hold ClearSign Technologies Corporation as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 185064201·20 13F holders·last filed Mar 31, 2026
AI Holders Summary · Q1 2026
20 institutions reported CLIR in Q1 2026. VANGUARD CAPITAL MANAGEMENT LLC leads at 30.3% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.