CLEARSIGN TECHNOLOGIES CORP COM is a security (CUSIP 185064102) tracked across SEC portfolio filings. 4 institutional managers reported $751K on Form 13F as of 2025-12-31.
| Manager | Location | Value | Shares |
|---|---|---|---|
| VANGUARD GROUP INC | Valley Forge, PA | $736K | 1,322,980 |
| Cubist Systematic Strategies, LLC | Stamford, CT | $16K | 20,508 |
| TUCKER ASSET MANAGEMENT LLC | LITTLETON, CO | $22 | 39 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | 0 |