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DDD Partners, LLC

Position in CLIR — ClearSign Technologies Corp

CIK 1729673 BELLEVUE, WA

Position in CLIR

as of Jun 30, 2026 · filed Aug 5, 2026
Position Value
$44,040
-$8,280 QoQ
Shares Held
12,000
0.0% QoQ
Ownership
0.176%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#10
of 24 holders
Holding Since
Sep 2022
16 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in CLIR Over Time

Shares Held

Position Value (USD)

Position in Pollution & Treatment Controls

Industrials · as of Jun 30, 2026

DDD Partners, LLC holds $44,040 across 1 Pollution & Treatment Controls name. CLIR ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 CLIR
ClearSign Technologies Corp
This page
12,000 $44,040

All Filings in CLIR

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16 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $44,040 12,000
2026-03-31 $52,320 12,000
2025-12-31 $67,200 120,000
2025-09-30 $88,550 115,000
2025-06-30 $64,400 115,000
2025-03-31 $86,250 115,000
2024-12-31 $151,200 105,000
2024-09-30 $97,750 115,000
2024-06-30 $95,450 115,000
2024-03-31 $101,850 105,000
2023-12-31 $116,550 105,000
2023-09-30 $114,450 105,000
2023-06-30 $131,000 100,000
2023-03-31 $80,000 100,000
2022-12-31 $48,600 90,000
2022-09-30 $82,800 90,000