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NPK International Inc.

NPKI
Exchange
NYSE
Industry
Services-Miscellaneous Equipment Rental & Leasing
SEC CIK
0000071829

In the last 90 days, NPK International Inc. insiders filed 0 open-market purchases and 3 sales; 256 institutions reported holding it in 13F filings for Q2 2026, worth $1.24B in total; no superinvestor holds it.

Q4 2025 vs. Q3 2025

How the institutions holding NPK International Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of NPKI: Q3 2025 compared with Q4 2025
MeasureQ3 2025Of which not filed for Q4 2025Q4 2025Change
Holders2083241+36
Shares74.0M263.9K75.2M+1.45M (+2.0%)
Value$836.9M$2.99M$896.1M+$62.2M (+7.5%)

3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (53)

Institutions that held NPK International Inc. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to NPKI in Q4 2025
InstitutionSharesValue% of portfolio
Thrivent Financial for Lutherans1,587,729$18.9M0.03%
Algert Global LLC785,880$9.37M0.15%
First Sabrepoint Capital Management LP650,000$7.75M3.19%
Allianz Asset Management GmbH501,300$5.98M0.01%
Lazard Asset Management LLC237,222$2.83M0.00%
Gilder Gagnon Howe & Co LLC170,273$2.03M0.02%
Sentinus, LLC138,500$1.65M0.16%
Gsa Capital Partners LLP114,858$1.37M0.12%
Balyasny Asset Management LLC109,824$1.31M0.00%
Y-Intercept (Hong Kong) Ltd105,616$1.26M0.03%
OP Asset Management Ltd104,257$1.24M0.02%
Voloridge Investment Management, LLC83,245$992.3K0.00%
Man Group plc63,327$754.9K0.00%
Shay Capital LLC37,541$447.5K0.07%
Massar Capital Management, LP33,150$395.1K0.08%
Magnetar Financial LLC32,027$381.8K0.00%
EntryPoint Capital, LLC28,038$334.2K0.13%
Cambridge Investment Research Advisors, Inc.24,681$294.0K0.00%
PharVision Advisers, LLC23,980$285.8K0.14%
Bailard, Inc.18,444$219.9K0.00%
Ashton Thomas Private Wealth, LLC17,314$206.4K0.01%
Aristides Capital LLC15,754$187.8K0.06%
Oxford Asset Management LLP15,035$179.2K0.06%
HSBC Holdings PLC14,120$169.0K0.00%
Ethic Inc.13,808$164.6K0.00%
Toroso Investments, LLC13,585$161.9K0.00%
nVerses Capital, LLC12,274$146.3K0.33%
M&T Bank Corp12,052$143.7K0.00%
MQS Management LLC11,971$142.7K0.08%
Landscape Capital Management, L.L.C.11,015$131.3K0.01%
Mariner, LLC10,664$127.3K0.00%
R Squared Ltd10,642$126.9K0.06%
Mirabella Financial Services LLP10,471$124.8K0.01%
JustInvest LLC10,120$120.6K0.00%
Canada Pension Plan Investment Board8,900$106.1K0.00%
Simplex Trading, LLC8,629$102.9K0.00%
Los Angeles Capital Management LLC4,175$56.1K0.00%
Group One Trading, L.P.3,484$41.5K0.00%
Kestra Advisory Services, LLC3,350$39.9K0.00%
Rockefeller Capital Management L.P.1,428$17.0K0.00%
Zions Bancorporation, National Association1,197$14.3K0.00%
Global Retirement Partners, LLC646$7.70K0.00%
Acumen Wealth Advisors, LLC641$7.64K0.00%
Pinnacle Wealth Planning Services, Inc.565$6.74K0.00%
Cygnus Capital Advisors, LLC393$5.00K0.00%
Plante Moran Financial Advisors, LLC320$3.81K0.00%
GPS Wealth Strategies Group, LLC300$3.58K0.00%
Optima Capital LLC229$2.73K0.00%
Smartleaf Asset Management LLC131$1.59K0.00%
Basecamp Wealth Advisors LLC79$9420.00%
Rachor Investment Advisory Services, LLC35$4180.00%
MAI Capital Management30$3580.00%
SJS Investment Consulting Inc.2$240.00%

Sold out (17)

Institutions that held NPK International Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of NPKI in Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
ACK Asset Management LLC1,576,808$17.8M
Empowered Funds, LLC439,815$4.97M
Jennison Associates LLC85,001$961.4K
Victory Capital Management Inc74,750$845.4K
XTX Topco Ltd46,000$520.3K
ExodusPoint Capital Management, LP44,922$508.1K
Terril Brothers, Inc.39,700$449.0K
Fox Run Management, L.L.C.34,957$395.4K
Quadrature Capital Ltd18,289$206.5K
Entropy Technologies, LP16,300$184.4K
Versor Investments LP14,500$164.0K
Longboard Asset Management, LP13,764$155.7K
Pathstone Holdings, LLC13,029$147.4K
Teacher Retirement System of Texas10,530$119.1K
JPL Wealth Management, LLC280$3.17K
Bessemer Group Inc60$1.00K
Clearstead Advisors, LLC25$283

Not filed for Q4 2025 yet (3)

Institutions that held NPK International Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding NPKI in Q3 2025 that haven't filed for Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Cubist Systematic Strategies, LLC246,944$2.79M
Point72 (DIFC) Ltd15,260$172.6K
Point72 Europe (London) LLP1,736$19.6K