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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.

Q3 2021 vs. Q2 2021

How the institutions holding ClearSign Technologies Corp changed between Q2 2021 and Q3 2021.

All holders in Q3 2021All holders in Q2 2021

13F holders of CLIR: Q2 2021 compared with Q3 2021
MeasureQ2 2021Q3 2021Change
Holders4334−9
Shares2.98M2.73M−244.5K (−8.2%)
Value$14.3M$5.53M−$8.75M (−61.3%)

New holders (4)

Institutions that held ClearSign Technologies Corp at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to CLIR in Q3 2021
InstitutionSharesValue% of portfolio
Moors & Cabot, Inc.21,000$42.0K0.00%
Two Sigma Investments, LP10,838$22.0K0.00%
Gemmer Asset Management LLC1,500$3.00K0.00%
Herold Advisors, Inc.1,000$2.00K0.00%

Sold out (13)

Institutions that held ClearSign Technologies Corp at the end of Q2 2021 and filed for Q3 2021 without it.

Institutions that sold out of CLIR in Q3 2021
InstitutionShares, Q2 2021Value, Q2 2021
Brendel Financial Advisors LLC96,324$462.0K
Southport Management, L.L.C.50,000$240.0K
National Asset Management, Inc.26,650$128.0K
Millennium Management LLC19,623$94.0K
Wolverine Trading, LLC11,821$57.0K
Price T Rowe Associates Inc10,400$50.0K
Dorsey Wright & Associates8,358$40.0K
Royal Bank of Canada5,000$24.0K
Tower Research Capital LLC (TRC)1,159$6.00K
IFP Advisors, Inc1,250$6.00K
Plante Moran Financial Advisors, LLC1,000$5.00K
Advisory Services Network, LLC1,000$5.00K
Group One Trading, L.P.370$2.00K