Security key
185064201
- Security type / class
- Equity / COM NEW
- Total 13F shares
- 398,491
- Total 13F value
- $1,737,518
- Share change
- +268,252
- SEC-reported price per share
- $4.36
- Number of holders
- 20
- Value change
- +$1,169,676
- Number of buys
- 17
Report period
Q1 2026
Institutions
20
Top holders
10
CLIR full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
ClearSign Technologies Corp SEC filings
ClearSign Technologies Corp company facts
Broader feeds
Reporting periods
Holder history for CUSIP 185064201
Recent filing periods:
Ownership snapshot
Top reported holders of CLIR - ClearSign Technologies Corp - COM NEW (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
26 Feb 2026
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%
Colin J. Deller
0.06%
VANGUARD GROUP INC
2.4%
SIMON QUICK ADVISORS, LLC
1.1%
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 |
| Colin J. Deller |
3/4/5
Chief Executive Officer, Director
|
0.06%
|
$155,492
31,466 shares
|
— | 26 Feb 2026 |
| VANGUARD GROUP INC |
13F
Company
|
2.4%
|
$735,577
1,322,980 shares
|
— | 31 Dec 2025 |
| SIMON QUICK ADVISORS, LLC |
13F
Company
|
1.1%
|
$335,411
603,149 shares
|
— | 31 Dec 2025 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
0.95%
|
$290,958
523,109 shares
|
— | 31 Dec 2025 |
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 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
20
Shares
398,491
Rows available
20
| 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 2026 vs Q1 2026 Across Filers
Q1 2026 holders
20
Q1 2026 holders
20
Holder diff
0
| Investor | Q1 2026 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend