ClearSign Technologies Corp - Common Stock (CLIR)
CUSIP: 185064102
Q4 2025 13F Holders as of 31 Dec 2025
- Type / Class
- Equity / Common Stock
- Shares outstanding
- 54,976,358
- Total 13F shares
- 4,456,743
- Share change
- +229,324
- Total reported value
- $2,479,997
- Price per share
- $0.56
- Number of holders
- 37
- Value change
- +$114,994
- Number of buys
- 12
- Number of sells
- 13
Quarterly Holders Quick Answers
What is CUSIP 185064102?
CUSIP 185064102 identifies CLIR - ClearSign Technologies Corp - Common Stock in SEC institutional holdings data.
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Recent filing periods for CUSIP 185064102:
Top shareholders of CLIR - ClearSign Technologies Corp - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Robert T. Hoffman Sr. |
3/4/5
|
10%+ Owner |
—
mixed-class rows
|
24,795,027
mixed-class rows
|
$17,451,117 | — | 24 Jun 2024 | |
| John M. Pasquesi |
3/4/5
13D/G
|
10%+ Owner |
20%
from 13D/G
|
8,434,774
|
$6,742,758 | — | 14 Feb 2025 | |
| clirSPV LLC |
13D/G
|
HOFFMAN Robert Thurston Sr |
4.3%
|
2,249,027
|
$1,371,906 | $0 | 14 Feb 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
2.3%
|
1,277,584
|
$985,018 | — | 30 Sep 2025 | |
| SIMON QUICK ADVISORS, LLC |
13F
|
Company |
1.1%
|
603,149
|
$465,149 | — | 30 Sep 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.95%
|
523,229
|
$403,598 | — | 30 Sep 2025 | |
| Cambridge Investment Research Advisors, Inc. |
13F
|
Company |
0.81%
|
443,000
|
$342,000 | — | 30 Sep 2025 | |
| Judith S. Schrecker |
3/4/5
|
Director |
—
class O/S missing
|
431,957
|
$308,297 | — | 01 Jul 2025 | |
| BlackRock, Inc. |
13F
|
Company |
0.36%
|
199,304
|
$153,703 | — | 30 Sep 2025 | |
| Catharine de Lacy |
3/4/5
|
Director |
—
class O/S missing
|
218,957
|
$149,314 | — | 01 Jul 2025 | |
| Gary J. DiElsi |
3/4/5
|
Director |
—
class O/S missing
|
115,993
|
$129,912 | — | 02 Oct 2023 | |
| Creative Planning |
13F
|
Company |
0.29%
|
159,053
|
$122,662 | — | 30 Sep 2025 | |
| HighTower Advisors, LLC |
13F
|
Company |
0.23%
|
126,809
|
$97,795 | — | 30 Sep 2025 | |
| DDD Partners, LLC |
13F
|
Company |
0.21%
|
115,000
|
$88,688 | — | 30 Sep 2025 | |
| David M. Maley |
3/4/5
|
Director |
—
class O/S missing
|
105,443
|
$76,735 | — | 01 Jul 2025 | |
| STATE STREET CORP |
13F
|
Company |
0.16%
|
88,989
|
$68,628 | — | 30 Sep 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.14%
|
75,466
|
$58,199 | — | 30 Sep 2025 | |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO |
13F
|
Company |
0.13%
|
71,730
|
$55,318 | — | 30 Sep 2025 | |
| Susanne Meline |
3/4/5
|
Director |
—
mixed-class rows
|
133,870
mixed-class rows
|
$48,014 | — | 03 Jan 2023 | |
| Disciplined Investments, LLC |
13F
|
Company |
0.1%
|
55,886
|
$43,099 | — | 30 Sep 2025 | |
| RAYMOND JAMES FINANCIAL INC |
13F
|
Company |
0.09%
|
51,853
|
$39,989 | — | 30 Sep 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.09%
|
49,838
|
$38,435 | — | 30 Sep 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.07%
|
41,031
|
$31,643 | — | 30 Sep 2025 | |
| INTEGRITY ALLIANCE, LLC. |
13F
|
Company |
0.07%
|
39,524
|
$30,481 | — | 30 Sep 2025 | |
| PREVAIL INNOVATIVE WEALTH ADVISORS, LLC |
13F
|
Company |
0.07%
|
38,306
|
$29,542 | — | 30 Sep 2025 | |
| HIGHLAND CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.06%
|
32,454
|
$25,029 | — | 30 Sep 2025 | |
| Americana Partners, LLC |
13F
|
Company |
0.05%
|
30,000
|
$23,136 | — | 30 Sep 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.05%
|
26,714
|
$20,602 | — | 30 Sep 2025 | |
| Chicago Partners Investment Group LLC |
13F
|
Company |
0.03%
|
18,000
|
$16,315 | — | 30 Sep 2025 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
0.04%
|
21,050
|
$16,234 | — | 30 Sep 2025 | |
| Bruce A. Pate |
3/4/5
|
Director |
—
mixed-class rows
|
84,803
mixed-class rows
|
$16,019 | — | 01 Jul 2022 | |
| HRT FINANCIAL LP |
13F
|
Company |
0.04%
|
20,958
|
$16,000 | — | 30 Sep 2025 | |
| Cubist Systematic Strategies, LLC |
13F
|
Company |
0.04%
|
20,508
|
$15,816 | — | 30 Sep 2025 | |
| Diversified Portfolios, Inc. |
13F
|
Company |
0.04%
|
20,000
|
$15,424 | — | 30 Sep 2025 | |
| Gleason Group, Inc. |
13F
|
Company |
0.03%
|
18,018
|
$13,895 | — | 30 Sep 2025 | |
| Centerpoint Advisors, LLC |
13F
|
Company |
0.03%
|
15,700
|
$12,000 | — | 30 Sep 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.02%
|
13,223
|
$10,198 | — | 30 Sep 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.02%
|
11,044
|
$8,517 | — | 30 Sep 2025 | |
| Rockefeller Capital Management L.P. |
13F
|
Company |
0.02%
|
9,009
|
$6,948 | — | 30 Sep 2025 | |
| SIMPLEX TRADING, LLC |
13F
|
Company |
0.01%
|
5,997
|
$4,000 | — | 30 Sep 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.01%
|
4,000
|
$3,080 | — | 30 Sep 2025 | |
| UBS Group AG |
13F
|
Company |
0%
|
2,208
|
$1,703 | — | 30 Sep 2025 | |
| Tower Research Capital LLC (TRC) |
13F
|
Company |
0%
|
2,192
|
$1,690 | — | 30 Sep 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0%
|
1,344
|
$1,036 | — | 30 Sep 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0%
|
1,496
|
$1,000 | — | 30 Sep 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0%
|
403
|
$311 | — | 30 Sep 2025 | |
| SBI Securities Co., Ltd. |
13F
|
Company |
0%
|
303
|
$234 | — | 30 Sep 2025 | |
| Allworth Financial LP |
13F
|
Company |
0%
|
6
|
$5 | — | 30 Sep 2025 |
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
37 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
4,456,743 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
37
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 |
|---|
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
39
Q4 2025 holders
37
Holder diff
-2
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 Value $ | Q4 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* 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.
An asterisk sign (*) next to the price indicates that the price is likely invalid.