ClearSign Technologies Corporation (CLIR) ownership: Top institutional holder: VANGUARD GROUP INC ($735577.00). Insider activity: Net Seller (4 buys, 16 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 1322980.00 | $735577.00 | 2025-12-31 |
| SIMON QUICK ADVISORS, LLC | 603149.00 | $335411.00 | 2025-12-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 523109.00 | $290958.00 | 2025-12-31 |
| Cambridge Investment Research Advisors, Inc. | 443000.00 | $246000.00 | 2025-12-31 |
| BlackRock Fund Advisors | 34155.00 | $116000.00 | 2016-12-31 |
| BlackRock, Inc. | 199304.00 | $110833.00 | 2025-12-31 |
| Creative Planning | 136053.00 | $75659.00 | 2025-12-31 |
| HighTower Advisors, LLC | 126809.00 | $70518.00 | 2025-12-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-04-23 | |
| Sell | null | 2026-04-23 | |
| Sell | null | 2026-03-31 | |
| Sell | null | 2026-03-31 | |
| Sell | null | 2026-03-31 | |
| Sell | null | 2026-03-31 | |
| Sell | null | 2026-03-17 | |
| Sell | null | 2026-03-16 |
Back to CLIR overview · CLIR earnings · All congressional trades
Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.