Security key
185064102
ClearSign Technologies Corp - Common Stock (CLIR)
CUSIP: 185064102
Q1 2025 13F Holders as of 31 Mar 2025
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 4,103,607
- Total 13F value
- $3,072,294
- Share change
- +741,142
- SEC-reported price per share
- $0.75
- Number of holders
- 35
- Value change
- +$547,543
- Number of buys
- 17
- Number of sells
- 6
- Shares outstanding
- 54,976,358
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2025
Institutions
35
Top holders
10
CLIR full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2025
Previous quarter: Q4 2024
ClearSign Technologies Corp SEC filings
ClearSign Technologies Corp company facts
Broader feeds
Reporting periods
Holder history for CUSIP 185064102
Recent filing periods:
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
John M. Pasquesi
Disclosed value leader
John M. Pasquesi
Comparable rows
15/15
Latest evidence
14 Feb 2025
3/4/5
13D/G
13F
Lead comparable stake: 20%
13D/G row: John M. Pasquesi
Showing 1-6 of 15 holder rows.
Quick read
John M. Pasquesi leads the comparable SEC ownership view at 20%.
15 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 John M. Pasquesi's linked filing trail.
Comparable ownership
Top 5
John M. Pasquesi
20%
clirSPV LLC
4.3%
VANGUARD GROUP INC
2%
GEODE CAPITAL MANAGEMENT, LLC
0.98%
Cambridge Investment Research Adv...
0.82%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| John M. Pasquesi |
3/4/5
13D/G
10%+ Owner
|
20%
from 13D/G
|
$6,742,758
8,434,774 shares
|
— | 14 Feb 2025 |
| clirSPV LLC |
13D/G
HOFFMAN Robert Thurston Sr
|
4.3%
|
$1,371,906
2,249,027 shares
|
$0 | 14 Feb 2025 |
| VANGUARD GROUP INC |
13F
Company
|
2%
|
$1,606,111
1,115,355 shares
|
— | 31 Dec 2024 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
0.98%
|
$773,448
536,995 shares
|
— | 31 Dec 2024 |
| Cambridge Investment Research Advisors, Inc. |
13F
Company
|
0.82%
|
$652,000
453,000 shares
|
— | 31 Dec 2024 |
| Creative Planning |
13F
Company
|
0.38%
|
$302,812
210,286 shares
|
— | 31 Dec 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 Q1 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
35
Shares
4,103,607
Rows available
35
| 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 Q1 2025 vs Q4 2024 Across Filers
Q4 2024 holders
30
Q1 2025 holders
35
Holder diff
5
| Investor | Q4 2024 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q4 2024 value | Q1 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend