ClearSign Technologies Corp - Common Stock (CLIR)

CUSIP: 185064102

Q4 2024 13F Holders as of 31 Dec 2024

Holder snapshot 6 signals
Share change
+203,013
SEC-reported price per share
$1.44
Number of holders
30
Value change
+$293,480
Number of buys
12
Number of sells
6
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
6,859,181

Security key

185064102

Report period

Q4 2024

Institutions

30

Top holders

10

Ownership snapshot

Top reported holders of CLIR - ClearSign Technologies Corp - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Robert T. Hoffman Sr.
Disclosed value leader
Robert T. Hoffman Sr.
Comparable rows
0/15
Latest evidence
30 Sep 2024
3/4/5 13F Highest disclosed value: $17,451,117 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

Robert T. Hoffman Sr. has the largest disclosed position value at $17.45M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Robert T. Hoffman Sr.'s linked filing trail.
Disclosed position value Top 5
Robert T. Hoffman Sr. $17.45M
VANGUARD GROUP INC $948.1K
GEODE CAPITAL MANAGEMENT, LLC $443.1K
Cambridge Investment Research Adv... $385K
Creative Planning $176K

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Robert T. Hoffman Sr.
3/4/5
10%+ Owner
—
mixed-class rows
$17,451,117
24,795,027 shares
mixed-class rows
— 24 Jun 2024
VANGUARD GROUP INC
13F
Company
13F
—
denominator unverified
$948,052
1,115,355 shares
— 30 Sep 2024
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
13F
—
denominator unverified
$443,075
521,229 shares
— 30 Sep 2024
Cambridge Investment Research Advisors, Inc.
13F
Company
13F
—
denominator unverified
$385,000
453,000 shares
— 30 Sep 2024
Creative Planning
13F
Company
13F
—
denominator unverified
$175,989
207,070 shares
— 30 Sep 2024
BlackRock, Inc.
13F
Company
13F
—
denominator unverified
$169,388
199,304 shares
— 30 Sep 2024
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2024

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
30
Shares
3,362,465
Rows available
30
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2024 vs Q3 2024 Across Filers

Q3 2024 holders
26
Q4 2024 holders
30
Holder diff
4
Investor Q3 2024 Shares Q4 2024 Shares Share Diff Share Chg % Q3 2024 value Q4 2024 value Value change Value Chg %
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .