Position in NPKI
as of Jun 30, 2026
· filed Aug 7, 2026
Position Value
$2,359,405
-$329,982 QoQ
Shares Held
148,297
-20.1% QoQ
Ownership
0.175%
of shares outstanding
% of Portfolio
0.18%
of 13F equity value
Holder Rank
#73
of 256 holders
Holding Since
Jun 2024
9 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in NPKI Over Time
Shares Held
Position Value (USD)
Position in Building Products & Equipment
Industrials · as of Jun 30, 2026HARBOR CAPITAL ADVISORS, INC. holds $13,085,586 across 11 Building Products & Equipment names. NPKI ranks #3 (18.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AAON |
Aaon, Inc.
|
36,367 | $4,613,517 | |
| 2 | ARLO |
Arlo Technologies, Inc.
|
232,982 | $3,140,597 | |
| 3 | NPKI |
NPK International Inc.
This page
|
148,297 | $2,359,405 | |
| 4 | TT |
Trane Technologies plc
|
3,405 | $1,672,399 | |
| 5 | CSL |
Carlisle Companies Inc
|
2,122 | $769,755 | |
| 6 | LII |
Lennox International Inc
|
462 | $264,702 | |
| 7 | BLDR |
Builders FirstSource, Inc.
|
2,091 | $187,102 | |
| 8 | GFF |
Griffon Corp
|
299 | $29,161 |
All Filings in NPKI
Export CSV
9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $2,359,405 | 148,297 | Shares | Sole | 2026-08-07 | |
| 2026-03-31 | $2,689,387 | 185,603 | Shares | Sole | 2026-04-28 | |
| 2025-12-31 | $2,606,296 | 218,649 | Shares | Sole | 2026-01-20 | |
| 2025-09-30 | $2,606,106 | 230,425 | Shares | Sole | 2025-10-15 | |
| 2025-06-30 | $7,614,688 | 894,793 | Shares | Sole | 2025-07-09 | |
| 2025-03-31 | $2,756,060 | 474,365 | Shares | Sole | 2025-04-14 | |
| 2024-12-31 | $3,610,874 | 470,779 | Shares | Sole | 2025-01-10 | |
| 2024-09-30 | $2,419,512 | 349,136 | Shares | Sole | 2024-10-29 | |
| 2024-06-30 | $537,781 | 64,715 | Shares | Sole | 2024-07-09 | |
| No filing history on record for this holder in this stock. | ||||||