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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.

Q2 2025 vs. Q1 2025

How the institutions holding ClearSign Technologies Corp changed between Q1 2025 and Q2 2025.

All holders in Q2 2025All holders in Q1 2025

13F holders of CLIR: Q1 2025 compared with Q2 2025
MeasureQ1 2025Q2 2025Change
Holders3837−1
Shares4.10M4.54M+433.1K (+10.6%)
Value$3.07M$2.47M−$603.0K (−19.6%)

New holders (6)

Institutions that held ClearSign Technologies Corp at the end of Q2 2025 but not at the end of Q1 2025.

Institutions new to CLIR in Q2 2025
InstitutionSharesValue% of portfolio
Beacon Pointe Advisors, LLC271,739$145.4K0.00%
Two Sigma Securities, LLC30,306$17.0K0.00%
Cetera Investment Advisers20,706$11.6K0.00%
HRT Financial LP22,135$11.0K0.00%
Gleason Group, Inc.18,018$10.1K0.00%
Cantor Fitzgerald, L. P.50$280.00%

Sold out (7)

Institutions that held ClearSign Technologies Corp at the end of Q1 2025 and filed for Q2 2025 without it.

Institutions that sold out of CLIR in Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
XTX Topco Ltd24,201$18.2K
Goldman Sachs Group Inc20,493$15.4K
Royal Bank of Canada9,468$7.00K
Tower Research Capital LLC (TRC)6,120$4.59K
JPMorgan Chase & Co86$65
Simplex Trading, LLC393$0
Navigoe, LLC23$0