ClearSign Technologies Corp
CLIR- Exchange
- Nasdaq
- Industry
- Industrial Instruments For Measurement, Display, and Control
- SEC CIK
- 0001434524
In the last 90 days, ClearSign Technologies Corp insiders filed 1 open-market purchase and 0 sales; 24 institutions reported holding it in 13F filings for Q2 2026, worth $1.55M in total; no superinvestor holds it.
Q3 2025 vs. Q2 2025
How the institutions holding ClearSign Technologies Corp changed between Q2 2025 and Q3 2025.
All holders in Q3 2025All holders in Q2 2025
| Measure | Q2 2025 | Q3 2025 | Change |
|---|---|---|---|
| Holders | 37 | 39 | +2 |
| Shares | 4.54M | 4.23M | −302.7K (−6.7%) |
| Value | $2.47M | $3.27M | +$797.8K (+32.3%) |
New holders (7)
Institutions that held ClearSign Technologies Corp at the end of Q3 2025 but not at the end of Q2 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Cubist Systematic Strategies, LLC | 20,508 | $15.8K | 0.00% |
| Jane Street Group, LLC | 13,223 | $10.2K | 0.00% |
| Goldman Sachs Group Inc | 11,044 | $8.52K | 0.00% |
| Rockefeller Capital Management L.P. | 9,009 | $6.95K | 0.00% |
| Simplex Trading, LLC | 5,997 | $4.00K | 0.00% |
| Tower Research Capital LLC (TRC) | 2,192 | $1.69K | 0.00% |
| Royal Bank of Canada | 1,496 | $1.00K | 0.00% |
Sold out (5)
Institutions that held ClearSign Technologies Corp at the end of Q2 2025 and filed for Q3 2025 without it.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| Beacon Pointe Advisors, LLC | 271,739 | $145.4K |
| Two Sigma Securities, LLC | 30,306 | $17.0K |
| Charles Schwab Investment Management Inc | 25,555 | $13.7K |
| Cetera Investment Advisers | 20,706 | $11.6K |
| Cantor Fitzgerald, L. P. | 50 | $28 |