CLIR ClearSign Technologies Corp: institutional ownership and insider trading

24 funds reported holding $1.55M of ClearSign Technologies Corp in their latest 13F filings; in Q2 2026 funds net bought $47.1K, with 5 new positions and 2 funds selling out; over the last 12 months insiders bought $1.80M and sold $0 on the open market.

Famous investors holding CLIR

Largest institutional holders of CLIR

  1. VANGUARD CAPITAL MANAGEMENT LLC — $387K
  2. SIMON QUICK ADVISORS, LLC — $221K
  3. GEODE CAPITAL MANAGEMENT, LLC — $189K
  4. Cambridge Investment Research Advisors, Inc. — $163K
  5. Beacon Pointe Advisors, LLC — $99.7K
  6. VANGUARD FIDUCIARY TRUST CO — $86.1K
  7. HighTower Advisors, LLC — $83.2K
  8. CITADEL ADVISORS LLC — $75.5K
  9. BlackRock, Inc. (BLK) — $71.6K
  10. DDD Partners, LLC — $44.0K

Recent CLIR insider trades

5%+ owners

All CLIR 13F holders · All CLIR insider trades