DOSSIER · 13F Holders · Q1 2026
NPKI

NPK INTERNATIONAL INC

255 institutions still hold NPK INTERNATIONAL INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 651718504·255 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$704M
visible holders
Holders
255
filers reporting
Concentration
14.83%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

255 institutions reported NPKI in Q1 2026. BlackRock, Inc. leads at 14.8% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$104M7.2M0.00%Q1 2026
02
AMERIPRISE FINANCIAL INC
CIK 0000820027
$81M5.6M0.02%Q1 2026
03
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$58M4.0M0.01%Q1 2026
04
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$50M3.4M0.00%Q1 2026
05
WASATCH ADVISORS LP
CIK 0000814133
$45M2.8M0.29%Q2 2026
06
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$44M3.0M0.02%Q1 2026
07
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$33M2.2M0.00%Q1 2026
08
ROYCE & ASSOCIATES LP
CIK 0000906304
$30M2.1M0.30%Q1 2026
09
STATE STREET CORP
CIK 0000093751
$28M2.0M0.00%Q1 2026
10
MORGAN STANLEY
CIK 0000895421
$26M1.8M0.00%Q1 2026
11
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC.
CIK 0001238990
$26M1.8M1.52%Q1 2026
12
Russell Investments Group, Ltd.
CIK 0001692234
$25M1.7M0.03%Q1 2026
13
PRUDENTIAL FINANCIAL INC
CIK 0001137774
$24M1.7M0.03%Q1 2026
14
THRIVENT FINANCIAL FOR LUTHERANS
CIK 0000314984
$24M1.7M0.05%Q1 2026
15
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$22M1.5M0.01%Q1 2026
16
LOOMIS SAYLES & CO L P
CIK 0000312348
$17M1.2M0.02%Q1 2026
17
Allianz Asset Management GmbH
CIK 0001535323
$17M1.2M0.02%Q1 2026
18
Qube Research & Technologies Ltd
CIK 0001729829
$17M1.1M0.02%Q1 2026
19
Electron Capital Partners, LLC
CIK 0001586986
$16M1.1M0.62%Q1 2026
20
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$16M1.1M0.00%Q1 2026
Page 1 of 13
235 more holders available. Log in →
Insiders at NPK INTERNATIONAL INC
Briggs LoriLanigan MatthewFruge Mary CelestePiontek GreggLarson Roderick A.Lewis Michael AMinge John CMeer Claudia Michel