ClearSign Technologies Corp - Common Stock (CLIR)

Q4 2025 13F Holders as of 31 Dec 2025

Type / Class
Equity / Common Stock
Shares outstanding
54,976,358
Total 13F shares
4,443,194
Share change
+229,324
Total reported value
$2,472,462
Price per share
$0.56
Number of holders
36
Value change
+$114,994
Number of buys
12
Number of sells
13

Institutional Holders of ClearSign Technologies Corp - Common Stock (CLIR) as of Q4 2025

As of 31 Dec 2025, ClearSign Technologies Corp - Common Stock (CLIR) was held by 36 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 4,443,194 shares. The largest 10 holders included VANGUARD GROUP INC, SIMON QUICK ADVISORS, LLC, GEODE CAPITAL MANAGEMENT, LLC, Cambridge Investment Research Advisors, Inc., BlackRock, Inc., Creative Planning, HighTower Advisors, LLC, DDD Partners, LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP, and STATE STREET CORP. This page lists 36 institutional shareholders reporting positions in this security for the Q4 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.