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, 2026MARATHON 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 |
|---|---|---|---|---|---|
| 1 | BLDR |
Builders FirstSource, Inc.
|
74,278 | $6,646,395 | |
| 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 | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $5,471,926 | 343,930 | Shares | Sole | 2026-07-22 | |
| 2026-03-31 | $5,015,133 | 346,110 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $4,260,088 | 357,390 | Shares | Sole | 2026-01-29 | |
| 2025-09-30 | $4,392,238 | 388,350 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $3,368,683 | 395,850 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $2,404,613 | 413,875 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $3,114,403 | 406,050 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $2,819,124 | 406,800 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $2,211,914 | 266,175 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $1,899,943 | 263,150 | Shares | Sole | 2024-05-15 | |
| No filing history on record for this holder in this stock. | ||||||