ClearSign Technologies
CLIR · NASDAQ
$2.49+$0.15 (+6.41%)TodayMarket closed ·
Prev close $2.34
Who owns CLIR
Largest institutional holders, from their latest 13F filings
| Holder | Shares | % of shares |
|---|---|---|
| clirSPV, L.L.C. | 6.19M | 90.89% |
| The Vanguard Group, Inc. | 1.10M | 16.17% |
| Cambridge Investment Research Advisors, Inc. | 450.00K | 6.61% |
| Geode Capital Management, L.L.C. | 319.68K | 4.69% |
| BlackRock Institutional Trust Company, N.A. | 272.03K | 3.99% |
| Hoffman (Robert Thurston Sr.) | 123.67K | 1.82% |
| Hightower Advisors, LLC | 120.81K | 1.77% |
| Deller (Colin James Ph.D.) | 109.81K | 1.61% |
| Tschetter Group | 105.00K | 1.54% |
| State Street Global Advisors (US) | 65.69K | 0.96% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 588.97K | 8.65% |
| Vanguard Extended Market Index Fund | 478.11K | 7.02% |
| Fidelity Extended Market Index Fund | 213.35K | 3.13% |
| iShares Micro-Cap ETF | 65.30K | 0.96% |
| Fidelity Total Market Index Fund | 41.58K | 0.61% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $1.78M (3 trades) of CLIR on the open market, with no sales.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Basenese Lou | Award | 3.77K | — |
| Silva Gil Todd | Award | 3.77K | — |
| Silva Gil Todd | Award | 4.22K | — |
| Saddler Larry Michael | Award | 2.27K | — |
| DIGIANDOMENICO ANTHONY | Award | 3.77K | — |
| PASQUESI JOHN M | Buy | 500.00K | $1.77M |
| Basenese Lou | Award | 4.59K | — |
| Silva Gil Todd | Award | 4.59K | — |
| Silva Gil Todd | Award | 4.09K | — |
| DIGIANDOMENICO ANTHONY | Award | 4.59K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 13.27K
- Days to cover
- 1.00
- % of shares outstanding
- 0.19%
- Average daily volume
- 20.62K
- Change since last report
- −20.9%
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