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.
Q1 2025 vs. Q4 2024
How the institutions holding ClearSign Technologies Corp changed between Q4 2024 and Q1 2025.
All holders in Q1 2025All holders in Q4 2024
| Measure | Q4 2024 | Q1 2025 | Change |
|---|---|---|---|
| Holders | 31 | 38 | +7 |
| Shares | 3.36M | 4.10M | +741.5K (+22.1%) |
| Value | $4.84M | $3.07M | −$1.77M (−36.5%) |
New holders (8)
Institutions that held ClearSign Technologies Corp at the end of Q1 2025 but not at the end of Q4 2024.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Simon Quick Advisors, LLC | 603,149 | $452.4K | 0.03% |
| Susquehanna International Group, LLP | 70,885 | $53.2K | 0.00% |
| Integrity Alliance, LLC. | 39,524 | $29.6K | 0.00% |
| Chicago Partners Investment Group LLC | 28,000 | $15.1K | 0.00% |
| Diversified Portfolios, Inc. | 13,000 | $9.75K | 0.00% |
| Royal Bank of Canada | 9,468 | $7.00K | 0.00% |
| Northwestern Mutual Wealth Management Co | 7,207 | $5.41K | 0.00% |
| Barclays PLC | 4 | $3 | 0.00% |
Sold out (1)
Institutions that held ClearSign Technologies Corp at the end of Q4 2024 and filed for Q1 2025 without it.
| Institution | Shares, Q4 2024 | Value, Q4 2024 |
|---|---|---|
| Citigroup Inc | 23 | $33 |