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.
13F holders, Q2 2025
Institutional positions in ClearSign Technologies Corp as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 37
- −1 vs. Q1 2025
- Shares held
- 4.54M
- +433.1K (+10.6%) vs. Q1 2025
- Total value
- $2.47M
- −$603.0K (−19.6%) vs. Q1 2025
- New holders
- 6
- 11 more added
- Sold out
- 7
- 4 more reduced
Compare with Q1 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CLIR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 24 | $1.55M |
| Q1 2026 | 20 | $1.74M |
| Q4 2025 | 38 | $2.48M |
| Q3 2025 | 39 | $3.27M |
| Q2 2025 | 37 | $2.47M |
| Q1 2025 | 38 | $3.07M |
| Q4 2024 | 31 | $4.84M |
| Q3 2024 | 27 | $2.68M |
| Q2 2024 | 29 | $2.64M |
| Q1 2024 | 27 | $2.81M |
| Q4 2023 | 26 | $3.07M |
| Q3 2023 | 28 | $3.03M |
| Q2 2023 | 27 | $3.47M |
| Q1 2023 | 26 | $2.00M |
| Q4 2022 | 29 | $1.37M |
| Q3 2022 | 27 | $2.44M |
| Q2 2022 | 27 | $3.14M |
| Q1 2022 | 26 | $4.31M |
| Q4 2021 | 27 | $3.74M |
| Q3 2021 | 34 | $5.53M |
| Q2 2021 | 43 | $14.3M |
| Q1 2021 | 35 | $16.0M |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding ClearSign Technologies Corp; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 1,165,417 | $623.5K | 0.00% | +34,687+3.1% | Added |
| Simon Quick Advisors, LLC | 603,149 | $337.7K | 0.02% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 553,675 | $296.3K | 0.00% | +4,489+0.8% | Added |
| Cambridge Investment Research Advisors, Inc. | 443,000 | $248.0K | 0.00% | −10,001−2.2% | Reduced |
| Beacon Pointe Advisors, LLC | 271,739 | $145.4K | 0.00% | +271,739 | New |
| BlackRock, Inc. | 199,304 | $111.6K | 0.00% | 00.0% | Unchanged |
| Creative Planning | 141,853 | $75.9K | 0.00% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 128,809 | $68.9K | 0.00% | +2,000+1.6% | Added |
| DDD Partners, LLC | 115,000 | $61.5K | 0.01% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 104,097 | $55.7K | 0.00% | +33,212+46.9% | Added |
| State Street Corp | 88,989 | $47.6K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 75,466 | $42.3K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 71,730 | $40.2K | 0.00% | +64,523+895.3% | Added |
| Renaissance Technologies LLC | 58,000 | $32.5K | 0.00% | −17,021−22.7% | Reduced |
| Disciplined Investments, LLC | 55,886 | $29.9K | 0.01% | +8,738+18.5% | Added |
| Raymond James Financial Inc | 51,832 | $29.0K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 44,316 | $23.7K | 0.00% | +4,234+10.6% | Added |
| Integrity Alliance, LLC. | 40,324 | $21.6K | 0.00% | +800+2.0% | Added |
| Prevail Innovative Wealth Advisors, LLC | 38,306 | $20.5K | 0.00% | 00.0% | Unchanged |
| Highland Capital Management, LLC | 32,454 | $18.2K | 0.00% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 30,306 | $17.0K | 0.00% | +30,306 | New |
| Americana Partners, LLC | 30,000 | $16.1K | 0.00% | 00.0% | Unchanged |
| Chicago Partners Investment Group LLC | 28,000 | $16.0K | 0.00% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 25,555 | $13.7K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 21,050 | $11.8K | 0.00% | 00.0% | Unchanged |
| Cetera Investment Advisers | 20,706 | $11.6K | 0.00% | +20,706 | New |
| HRT Financial LP | 22,135 | $11.0K | 0.00% | +22,135 | New |
| Diversified Portfolios, Inc. | 20,000 | $10.7K | 0.00% | +7,000+53.8% | Added |
| Gleason Group, Inc. | 18,018 | $10.1K | 0.00% | +18,018 | New |
| UBS Group AG | 16,092 | $9.01K | 0.00% | −2,782−14.7% | Reduced |
| Centerpoint Advisors, LLC | 15,700 | $9.00K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 4,000 | $2.24K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 1,463 | $818 | 0.00% | +1,027+235.6% | Added |
| SBI Securities Co., Ltd. | 642 | $359 | 0.00% | −30−4.5% | Reduced |
| Barclays PLC | 53 | $30 | 0.00% | +49+1,225.0% | Added |
| Cantor Fitzgerald, L. P. | 50 | $28 | 0.00% | +50 | New |
| Allworth Financial LP | 6 | $4 | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 0 | $0 | 0.00% | −24,201−100.0% | Sold out |
| Goldman Sachs Group Inc | 0 | $0 | 0.00% | −20,493−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −9,468−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −6,120−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −86−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −393−100.0% | Sold out |
| Navigoe, LLC | 0 | $0 | 0.00% | −23−100.0% | Sold out |