# CLEARSIGN TECHNOLOGIES CORP COM NEW

CLEARSIGN TECHNOLOGIES CORP COM NEW is a security (CUSIP 185064201) tracked across SEC portfolio filings. 18 institutional managers reported $992K on Form 13F as of 2026-06-30; 1 registered fund positions totaling $202K via N-PORT as of 2026-03-31.

## Summary

- Issuer: CLEARSIGN TECHNOLOGIES CORP
- Class: COM NEW
- CUSIP: 185064201
- Asset category: EC
- 13F holders: 18
- 13F value: $992K
- 13F period: 2026-06-30
- N-PORT fund positions: 1
- N-PORT value: $202K
- N-PORT report: 2026-03-31

## Top institutional holders (Form 13F)

_Showing 15 of 18 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $252K | 57,683 |
| [SIMON QUICK ADVISORS, LLC](https://search.stillhousedata.com/firm/132330) | MORRISTOWN, NJ | $221K | 60,314 |
| [Beacon Pointe Advisors, LLC](https://search.stillhousedata.com/firm/119290) | NEWPORT BEACH, CA | $118K | 27,173 |
| BlackRock, Inc. | New York, NY | $85K | 19,503 |
| [HighTower Advisors, LLC](https://search.stillhousedata.com/firm/145323) | CHICAGO, IL | $83K | 22,662 |
| [Creative Planning](https://search.stillhousedata.com/firm/105348) | Overland Park, KS | $54K | 12,355 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $46K | — |
| [DDD Partners, LLC](https://search.stillhousedata.com/firm/301548) | BELLEVUE, WA | $44K | 12,000 |
| [Rockefeller Capital Management L.P.](https://search.stillhousedata.com/firm/294197) | NEW YORK, NY | $35K | 8,120 |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | MILWAUKEE, WI | $31K | 7,172 |
| WELLS FARGO & COMPANY/MN | SAN FRANCISCO, CA | $9K | 2,125 |
| [Gleason Group, Inc.](https://search.stillhousedata.com/firm/175104) | PROSPECT, KY | $7K | 1,802 |
| Tower Research Capital LLC (TRC) | NEW YORK, NY | $5K | 1,045 |
| DEUTSCHE BANK AG\\ | Frankfurt Am Main, 2M | $2K | 400 |
| Cambridge Investment Research Advisors, Inc. | FAIRFIELD, IA | $163 | 44,300 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $202K | 0.02% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/185064201.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.