Clearsign TechnologiesCLIR
13F holders, Q4 2024 (December 31)At the end of Q4 2024, 31 institutions reported holding Clearsign Technologies Corp. (CLIR) in their 13F filings, up 4 from Q3 2024. 4 opened new positions and 2 sold out. The largest holders were Vanguard Group Inc. ($1.6M), Geode Capital Management, LLC ($773K) and Cambridge Investment Research Advisors, Inc. ($652K). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Clearsign Technologies Corp.
- CUSIP
- 185064102
- Latest filing quarter
- Q4 2025
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 4 | $195K |
| Exits | 2 | $2K |
All 13F filers, Q3 2024 → Q4 2024: 216,552 shares bought and 14,534 shares sold, net +202,018 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 31 holders
| Vanguard Group Inc. | 0.00% | No change | 1,115,355 | $1.6M |
| Geode Capital Management, LLC | 0.00% | Add +3.0% | 536,995 | $773K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | No change | 453,000 | $652K |
| Creative Planning | 0.00% | Add +1.6% | 210,286 | $303K |
| BlackRock, Inc. | 0.00% | No change | 199,304 | $287K |
| HighTower Advisors, LLC | 0.00% | No change | 126,809 | $183K |
| DDD Partners, LLC | 0.02% | Reduce -8.7% | 105,000 | $151K |
| State Street Corp. | 0.00% | Add +35.5% | 88,989 | $128K |
| Northern Trust Corp. | 0.00% | Add +23.8% | 75,466 | $109K |
| Renaissance Technologies | 0.00% | New | 58,500 | $84K |
| Raymond James Financial Inc. | 0.00% | — | 51,832 | $75K |
| Disciplined Investments, LLC | 0.03% | No change | 47,148 | $68K |
| Goldman Sachs Group Inc. | 0.00% | New | 42,649 | $61K |
| Prevail Innovative Wealth Advisors, LLC | 0.02% | No change | 38,306 | $55K |
| Citadel Advisors | 0.00% | New | 34,134 | $49K |
| Highland Capital Management, LLC | 0.00% | No change | 32,454 | $47K |
| Americana Partners, LLC | 0.00% | No change | 30,000 | $43K |
| Charles Schwab Investment Management Inc. | 0.00% | No change | 25,555 | $37K |
| UBS Group AG | 0.00% | Add +139.8% | 23,829 | $34K |
| Wells Fargo & Company | 0.00% | No change | 21,050 | $30K |
| XTX Topco Ltd | 0.00% | Add +67.9% | 19,713 | $28K |
| Centerpoint Advisors, LLC | 0.01% | No change | 15,700 | $23K |
| Deutsche Bank AG | 0.00% | No change | 4,000 | $6K |
| Simplex Trading, LLC | 0.00% | Add +259.1% | 3,573 | $5K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -58.0% | 1,639 | $2K |
| SBI Securities Co., Ltd. | 0.00% | — | 642 | $924 |
| Bank of America Corp. | 0.00% | Add +0.7% | 414 | $596 |
| JPMorgan Chase & Co. | 0.00% | Reduce -4.1% | 94 | $135 |
| Citigroup Inc. | 0.00% | New | 23 | $33 |
| Allworth Financial LP | 0.00% | Reduce -93.3% | 6 | $9 |
| Navigoe, LLC | 0.00% | — | 23 | $0 |
"% of holder's portfolio" is CLIR's weight in each manager's 13F, not the share of Clearsign Technologies Corp. the manager owns.