ClearSign Technologies Corp - Common Stock (CLIR)

CUSIP: 185064102

Q2 2025 13F Holders as of 30 Jun 2025

Type / Class
Equity / Common Stock
Shares outstanding
54,976,358
Total 13F shares
4,537,069
Share change
+433,462
Total reported value
$2,469,272
Price per share
$0.56
Number of holders
36
Value change
+$220,824
Number of buys
16
Number of sells
9

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Quarterly Holders Quick Answers

What is CUSIP 185064102?
CUSIP 185064102 identifies CLIR - ClearSign Technologies Corp - Common Stock in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

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
2.1%
1,130,730
$848,048 31 Mar 2025
13F
SIMON QUICK ADVISORS, LLC
13F
Company
1.1%
603,149
$452,362 31 Mar 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
1%
549,186
$411,981 31 Mar 2025
13F
Cambridge Investment Research Advisors, Inc.
13F
Company
0.82%
453,001
$340,000 31 Mar 2025
13F
BlackRock, Inc.
13F
Company
0.36%
199,304
$149,478 31 Mar 2025
13F
Gary J. DiElsi
3/4/5
Director
class O/S missing
115,993
$129,912 02 Oct 2023
Creative Planning
13F
Company
0.26%
141,853
$106,390 31 Mar 2025
13F
HighTower Advisors, LLC
13F
Company
0.23%
126,809
$95,107 31 Mar 2025
13F
DDD Partners, LLC
13F
Company
0.21%
115,000
$86,250 31 Mar 2025
13F
STATE STREET CORP
13F
Company
0.16%
88,989
$66,742 31 Mar 2025
13F
NORTHERN TRUST CORP
13F
Company
0.14%
75,466
$56,600 31 Mar 2025
13F
RENAISSANCE TECHNOLOGIES LLC
13F
Company
0.14%
75,021
$56,266 31 Mar 2025
13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP
13F
Company
0.13%
70,885
$53,164 31 Mar 2025
13F
Susanne Meline
3/4/5
Director
mixed-class rows
133,870
mixed-class rows
$48,014 03 Jan 2023
RAYMOND JAMES FINANCIAL INC
13F
Company
0.09%
51,832
$38,874 31 Mar 2025
13F
Disciplined Investments, LLC
13F
Company
0.09%
47,148
$35,361 31 Mar 2025
13F
CITADEL ADVISORS LLC
13F
Company
0.07%
40,082
$30,062 31 Mar 2025
13F
INTEGRITY ALLIANCE, LLC.
13F
Company
0.07%
39,524
$29,643 31 Mar 2025
13F
PREVAIL INNOVATIVE WEALTH ADVISORS, LLC
13F
Company
0.07%
38,306
$28,730 31 Mar 2025
13F
HIGHLAND CAPITAL MANAGEMENT, LLC
13F
Company
0.06%
32,454
$24,340 31 Mar 2025
13F
Americana Partners, LLC
13F
Company
0.05%
30,000
$22,500 31 Mar 2025
13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
0.05%
25,555
$19,166 31 Mar 2025
13F
XTX Topco Ltd
13F
Company
0.04%
24,201
$18,151 31 Mar 2025
13F
Bruce A. Pate
3/4/5
Director
mixed-class rows
84,803
mixed-class rows
$16,019 01 Jul 2022
WELLS FARGO & COMPANY/MN
13F
Company
0.04%
21,050
$15,788 31 Mar 2025
13F
GOLDMAN SACHS GROUP INC
13F
Company
0.04%
20,493
$15,370 31 Mar 2025
13F
Chicago Partners Investment Group LLC
13F
Company
0.05%
28,000
$15,120 31 Mar 2025
13F
UBS Group AG
13F
Company
0.03%
18,874
$14,156 31 Mar 2025
13F
Centerpoint Advisors, LLC
13F
Company
0.03%
15,700
$12,000 31 Mar 2025
13F
Diversified Portfolios, Inc.
13F
Company
0.02%
13,000
$9,750 31 Mar 2025
13F
ROYAL BANK OF CANADA
13F
Company
0.02%
9,468
$7,000 31 Mar 2025
13F
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO
13F
Company
0.01%
7,207
$5,405 31 Mar 2025
13F
Tower Research Capital LLC (TRC)
13F
Company
0.01%
6,120
$4,590 31 Mar 2025
13F
DEUTSCHE BANK AG\
13F
Company
0.01%
4,000
$3,000 31 Mar 2025
13F
SBI Securities Co., Ltd.
13F
Company
0%
672
$504 31 Mar 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
0%
436
$327 31 Mar 2025
13F
JPMORGAN CHASE & CO
13F
Company
0%
86
$65 31 Mar 2025
13F
Allworth Financial LP
13F
Company
0%
6
$4 31 Mar 2025
13F
BARCLAYS PLC
13F
Company
0%
4
$3 31 Mar 2025
13F

Institutional Holders of ClearSign Technologies Corp - Common Stock (CLIR) as of Q2 2025

As of 30 Jun 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 4,537,069 shares. The largest 10 holders included VANGUARD GROUP INC, SIMON QUICK ADVISORS, LLC, GEODE CAPITAL MANAGEMENT, LLC, Cambridge Investment Research Advisors, Inc., Beacon Pointe Advisors, LLC, BlackRock, Inc., Creative Planning, HighTower Advisors, LLC, DDD Partners, LLC, and SUSQUEHANNA INTERNATIONAL GROUP, LLP. This page lists 37 institutional shareholders reporting positions in this security for the Q2 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q2 2025 vs Q1 2025 Across Filers

Q1 2025 holders
35
Q2 2025 holders
36
Holder diff
1
Investor Q1 2025 Shares Q2 2025 Shares Share Diff Share Chg % Q1 2025 Value $ Q2 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.