Skip to main content

RHUMBLINE ADVISERS

Position in NPKI — NPK International Inc.

CIK 1115418 BOSTON, MA

Position in NPKI

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$1,770,051
+$65,970 QoQ
Shares Held
111,254
-5.4% QoQ
Ownership
0.131%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#86
of 255 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 29% Shared 0% None 71%

Common Shares in NPKI Over Time

Shares Held

Position Value (USD)

Position in Building Products & Equipment

Industrials · as of Jun 30, 2026

RHUMBLINE ADVISERS holds $800,965,744 across 27 Building Products & Equipment names. NPKI ranks #21 (0.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in NPKI

Export CSV
26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,770,051 111,254
2026-03-31 $1,704,081 117,604
2025-12-31 $1,473,931 123,652
2025-09-30 $1,625,789 143,748
2025-06-30 $1,254,884 147,460
2025-03-31 $921,977 158,688
2024-12-31 $1,232,361 160,673
2024-09-30 $1,104,046 159,314
2024-06-30 $1,330,929 160,160
2024-03-31 $1,120,912 155,251
2023-12-31 $1,101,682 165,916
2023-09-30 $1,062,136 153,710
2023-06-30 $800,739 153,105
2023-03-31 $602,952 156,611
2022-12-31 $628,637 151,479
2022-09-30 $376,049 149,226
2022-06-30 $440,284 142,487
2022-03-31 $526,586 143,876
2021-12-31 $422,201 143,606
2021-09-30 $466,075 141,235
2021-06-30 $491,579 142,075
2021-03-31 $497,385 158,403
2020-12-31 $317,990 165,620
2020-09-30 $284,083 270,556
2020-06-30 $665,166 298,281
2020-03-31 $286,506 318,341