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MARATHON CAPITAL MANAGEMENT

Position in NPKI — NPK International Inc.

CIK 1213206 Hunt Valley, MD

Position in NPKI

as of Jun 30, 2026 · filed Jul 22, 2026
Position Value
$5,471,926
+$456,793 QoQ
Shares Held
343,930
-0.6% QoQ
Ownership
0.405%
of shares outstanding
% of Portfolio
1.25%
of 13F equity value
Holder Rank
#49
of 255 holders
Holding Since
Mar 2024
10 quarters on record
Voting authority Sole 2% Shared 0% None 98%

Common Shares in NPKI Over Time

Shares Held

Position Value (USD)

Position in Building Products & Equipment

Industrials · as of Jun 30, 2026

MARATHON CAPITAL MANAGEMENT holds $12,118,321 across 2 Building Products & Equipment names. NPKI ranks #2 (45.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 NPKI
NPK International Inc.
This page
343,930 $5,471,926

All Filings in NPKI

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10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $5,471,926 343,930
2026-03-31 $5,015,133 346,110
2025-12-31 $4,260,088 357,390
2025-09-30 $4,392,238 388,350
2025-06-30 $3,368,683 395,850
2025-03-31 $2,404,613 413,875
2024-12-31 $3,114,403 406,050
2024-09-30 $2,819,124 406,800
2024-06-30 $2,211,914 266,175
2024-03-31 $1,899,943 263,150