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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 2026 vs. Q1 2026

How the institutions holding ClearSign Technologies Corp changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of CLIR: Q1 2026 compared with Q2 2026
MeasureQ1 2026Q2 2026Change
Holders2024+4
Shares398.5K421.8K+23.3K (+5.9%)
Value$1.74M$1.55M−$188.2K (−10.8%)

New holders (5)

Institutions that held ClearSign Technologies Corp at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to CLIR in Q2 2026
InstitutionSharesValue% of portfolio
Citadel Advisors LLC20,565$75.5K0.00%
Northern Trust Corp10,080$37.0K0.00%
Royal Bank of Canada684$3.00K0.00%
UBS Group AG100$3670.00%
Barclays PLC33$1210.00%

Sold out (1)

Institutions that held ClearSign Technologies Corp at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of CLIR in Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Creative Planning12,355$53.9K