CLIR
ClearSign Technologies CorpCompany with tickers: CLIR
CIK
1434524
CUSIP
185064201
Shares Outstanding
6,190,413
Website
https://www.clearsign.com
Investor Relations
https://ir.clearsign.com/
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 21
Total Value: $1,783,193
Total Shares: 408,991
Holder Concentration
Across 21 13F filersTop Holder
25.8%
of institutional value
Top 5
72.1%
of institutional value
Top 10
91.7%
of institutional value
HHI
1,340
Broadly held
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $459,670 | 25.78% | 105,429 | Shares | Defined | 2026-05-15 | ||||
| Small SIMON QUICK ADVISORS, LLC | $262,969 | 14.75% | 60,314 | Shares | Sole | 2026-05-06 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $251,497 | 14.10% | 57,683 | Shares | Defined | 2026-05-15 | ||||
| Large Cambridge Investment Research Advisors, Inc. | $193,148 | 10.83% | 44,300 | Shares | Sole | 2026-04-30 | ||||
| Mid Beacon Pointe Advisors, LLC | $118,474 | 6.64% | 27,173 | Shares | Sole | 2026-05-15 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $102,285 | 5.74% | 23,460 | Shares | Defined | 2026-05-08 | ||||
| Mega BlackRock, Inc. | $85,033 | 4.77% | 19,503 | Shares | Sole | 2026-05-13 | ||||
| Large HighTower Advisors, LLC | $55,284 | 3.10% | 12,680 | Shares | Sole | 2026-05-05 | ||||
| Large Creative Planning | $53,867 | 3.02% | 12,355 | Shares | Sole | 2026-05-12 | ||||
| Mid DDD Partners, LLC | $52,320 | 2.93% | 12,000 | Shares | Sole | 2026-04-28 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $45,780 | 2.57% | 10,500 | Put | Other | 2026-05-15 | ||||
| Large Rockefeller Capital Management L.P. | $35,403 | 1.99% | 8,120 | Shares | Defined | 2026-05-14 | ||||
| Large NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $31,269 | 1.75% | 7,172 | Shares | Defined | 2026-05-07 | ||||
| Mega WELLS FARGO & COMPANY/MN | $9,265 | 0.52% | 2,125 | Shares | Defined | 2026-05-11 | ||||
| Micro Gleason Group, Inc. | $7,856 | 0.44% | 1,802 | Shares | Sole | 2026-05-04 | ||||
| Micro Centerpoint Advisors, LLC | $6,801 | 0.38% | 1,560 | Shares | Sole | 2026-05-07 | ||||
| Mega Vanguard Global Advisers, LLC | $5,886 | 0.33% | 1,350 | Shares | Defined | 2026-05-08 | ||||
| Mid Tower Research Capital LLC (TRC) | $4,556 | 0.26% | 1,045 | Shares | Defined | 2026-05-15 | ||||
| Mega DEUTSCHE BANK AG\ Bank | $1,744 | 0.10% | 400 | Shares | Defined | 2026-05-06 | ||||
| Mid SBI Securities Co., Ltd. Broker-Dealer | $47 | 0.00% | 11 | Shares | Defined | 2026-04-28 | ||||
| Mid GROUP ONE TRADING LLC | $39 | 0.00% | 9 | Shares | Sole | 2026-05-13 | ||||
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