Who Owns ClearSign Technologies Corporation (CLIR)?Hedge Fund & Institutional Holders
Institutional Holders
50
as of Q4 2025
Total Institutional Value
$6.600051000310003e+73T
% of Float Held
—
QoQ Change in Holders
+13 / -6
Price History
CLIR — Biggest New Institutional Buyers This Quarter
| Fund | Action | Shares Added | Value Added |
|---|---|---|---|
| DDD Partners, LLC | New Position | +120K | +$66.0M |
| Disciplined Investments, LLC | New Position | +56K | +$31.0M |
| HIGHLAND CAPITAL MANAGEMENT, LLC | New Position | +32K | +$18.0M |
| SIMON QUICK ADVISORS, LLC | New Position | +603K | +$335K |
| Americana Partners, LLC | New Position | +55K | +$30K |
| Chicago Partners Investment Group LLC | New Position | +18K | +$12K |
| Gleason Group, Inc. | New Position | +18K | +$10K |
| Centerpoint Advisors, LLC | New Position | +16K | +$9K |
| TWO SIGMA SECURITIES, LLC | New Position | +27K | +$0 |
| SIMPLEX TRADING, LLC | Increased | +1K | +$0 |
| XTX Topco Ltd | New Position | +29K | +$0 |
| SBI Securities Co., Ltd. | New Position | +103 | +$0 |
| TUCKER ASSET MANAGEMENT LLC | New Position | +39 | +$0 |
| CITIGROUP INC | New Position | +1 | +$0 |
| VANGUARD GROUP INC | Increased | +45K | +$-983K |
CLIR — Institutions Reducing or Closing Positions
| Fund | Action | Shares Sold | Value Sold |
|---|---|---|---|
| Creative Planning | Decreased | -23K | -$122.7M |
| NORTHERN TRUST CORP | Decreased | -1K | -$58.2M |
| RAYMOND JAMES FINANCIAL INC | Decreased | -6 | -$40.0M |
| CITADEL ADVISORS LLC | Closed Position | -27K | -$20.6M |
| Cubist Systematic Strategies, LLC | Closed Position | -21K | -$15.8M |
| GOLDMAN SACHS GROUP INC | Closed Position | -11K | -$8.5M |
| UBS Group AG | Decreased | -983 | -$1.7M |
| ROYAL BANK OF CANADA | Closed Position | -1K | -$1.0M |
| BARCLAYS PLC | Closed Position | -403 | -$311K |
| HRT FINANCIAL LP | Decreased | -3K | -$16K |
| Diversified Portfolios, Inc. | Closed Position | -20K | -$15K |
| GEODE CAPITAL MANAGEMENT, LLC | Decreased | -120 | -$0 |
| BANK OF AMERICA CORP /DE/ | Decreased | -437 | -$0 |
Top Institutional Holders(Q4 2025)
CLIR Institutional Ownership History
| Quarter | Holders | Total Value | Change |
|---|---|---|---|
| Q4 2025 | 37 | $179.8M | +7 |
| Q3 2025 | 30 | $591.7M | -3 |
| Q2 2025 | 33 | $873.8M | -5 |
| Q1 2025 | 38 | $1.8B | +7 |
| Q4 2024 | 31 | $44.5B | +9 |
| Q3 2024 | 22 | $25.7B | -3 |
| Q2 2024 | 25 | $15.9B | +3 |
| Q1 2024 | 22 | $667.6M | — |
Similar Stocks by Institutional Ownership
As of Q4 2025, 50 institutional investors hold CLIR (ClearSign Technologies Corporation). The largest holder is DDD Partners, LLC with $66.0M in shares. This quarter, 13 institutions opened new positions and 6 closed their positions.
Frequently Asked Questions
How many hedge funds own CLIR?
As of Q4 2025, 50 institutional investors report holding CLIR (ClearSign Technologies Corporation) in their 13F filings.
Who is the largest institutional holder of CLIR?
The largest institutional holder of CLIR is DDD Partners, LLC with $66.0M in shares.
Is institutional ownership of CLIR increasing or decreasing?
This quarter, 13 institutions opened new positions in CLIR and 6 closed their positions.