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NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO

Position in CLIR — ClearSign Technologies Corp

CIK 1141802 MILWAUKEE, WI

Position in CLIR

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$26,321
-$4,948 QoQ
Shares Held
7,172
0.0% QoQ
Ownership
0.105%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#13
of 24 holders
Holding Since
Jun 2023
8 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in CLIR Over Time

Shares Held

Position Value (USD)

Position in Pollution & Treatment Controls

Industrials · as of Jun 30, 2026

NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO holds $264,531 across 5 Pollution & Treatment Controls names. CLIR ranks #3 (10.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 CLIR
ClearSign Technologies Corp
This page
7,172 $26,321

All Filings in CLIR

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8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $26,321 7,172
2026-03-31 $31,269 7,172
2025-12-31 $40,168 71,730
2025-09-30 $55,232 71,730
2025-06-30 $40,168 71,730
2025-03-31 $5,405 7,207
2023-09-30 $81 75
2023-06-30 $98 75