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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.

13F holders, Q2 2025

Institutional positions in NPK International Inc. as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
189
+15 vs. Q1 2025
Shares held
75.8M
+134.4K (+0.2%) vs. Q1 2025
Total value
$645.1M
+$205.4M (+46.7%) vs. Q1 2025
New holders
33
61 more added
Sold out
18
80 more reduced

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting NPKI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2025: 189 institutions
Q1 2021: 114 institutionsQ2 2021: 124 institutionsQ3 2021: 110 institutionsQ4 2021: 113 institutionsQ1 2022: 128 institutionsQ2 2022: 120 institutionsQ3 2022: 115 institutionsQ4 2022: 119 institutionsQ1 2023: 119 institutionsQ2 2023: 127 institutionsQ3 2023: 151 institutionsQ4 2023: 180 institutionsQ1 2024: 187 institutionsQ2 2024: 197 institutionsQ3 2024: 189 institutionsQ4 2024: 177 institutionsQ1 2025: 175 institutionsQ2 2025: 189 institutionsQ3 2025: 208 institutionsQ4 2025: 241 institutionsQ1 2026: 246 institutionsQ2 2026: 256 institutions
Value heldQ2 2025: $645.1M
Q1 2021: $205.6MQ2 2021: $229.6MQ3 2021: $212.0MQ4 2021: $186.7MQ1 2022: $244.2MQ2 2022: $205.1MQ3 2022: $163.3MQ4 2022: $248.8MQ1 2023: $220.2MQ2 2023: $304.4MQ3 2023: $443.4MQ4 2023: $457.5MQ1 2024: $491.3MQ2 2024: $597.1MQ3 2024: $511.3MQ4 2024: $598.5MQ1 2025: $439.7MQ2 2025: $645.1MQ3 2025: $836.9MQ4 2025: $896.1MQ1 2026: $1.10BQ2 2026: $1.24B
Institutions holding NPKI and their total value by quarter
QuarterHoldersValue
Q2 2026256$1.24B
Q1 2026246$1.10B
Q4 2025241$896.1M
Q3 2025208$836.9M
Q2 2025189$645.1M
Q1 2025175$439.7M
Q4 2024177$598.5M
Q3 2024189$511.3M
Q2 2024197$597.1M
Q1 2024187$491.3M
Q4 2023180$457.5M
Q3 2023151$443.4M
Q2 2023127$304.4M
Q1 2023119$220.2M
Q4 2022119$248.8M
Q3 2022115$163.3M
Q2 2022120$205.1M
Q1 2022128$244.2M
Q4 2021113$186.7M
Q3 2021110$212.0M
Q2 2021124$229.6M
Q1 2021114$205.6M

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding NPK International Inc.; share changes are against Q1 2025.

Institutions holding NPKI in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.6,596,711$56.1M0.00%−327,290−4.7%Reduced
Ameriprise Financial Inc6,099,085$51.9M0.01%−597,711−8.9%Reduced
Dimensional Fund Advisors LP5,330,821$45.4M0.01%−626,971−10.5%Reduced
Vanguard Group Inc4,730,600$40.3M0.00%−706,673−13.0%Reduced
Wasatch Advisors Inc2,977,755$25.3M0.13%−460,763−13.4%Reduced
Conversant Capital LLC2,714,779$23.1M4.39%−1,463,854−35.0%Reduced
American Century Companies Inc2,626,408$22.4M0.01%−24,455−0.9%Reduced
Royce & Associates LP2,566,480$21.8M0.22%−181,260−6.6%Reduced
Geode Capital Management, LLC2,335,175$19.9M0.00%−57,609−2.4%Reduced
State Street Corp2,061,314$17.5M0.00%−172,531−7.7%Reduced
Morgan Stanley1,960,971$16.7M0.00%−116,027−5.6%Reduced
Punch & Associates Investment Management, Inc.1,867,372$15.9M0.98%+660,272+54.7%Added
Loomis Sayles & Co L P1,535,447$13.1M0.02%+292,662+23.5%Added
Cannell Capital LLC1,517,890$12.9M4.04%+1,517,890New
Ancora Advisors, LLC1,443,980$12.3M0.26%+48,430+3.5%Added
ArrowMark Colorado Holdings LLC1,354,730$11.5M0.21%−771,412−36.3%Reduced
Russell Investments Group, Ltd.1,313,612$11.2M0.01%+154,787+13.4%Added
ACK Asset Management LLC1,226,808$10.4M1.37%+1,226,808New
Pennant Select, LLC1,088,723$9.27M7.11%−6,229−0.6%Reduced
Northern Trust Corp989,992$8.42M0.00%−89,085−8.3%Reduced
Tieton Capital Management, LLC978,990$8.33M3.26%−11,095−1.1%Reduced
Charles Schwab Investment Management Inc953,039$8.11M0.00%+93,891+10.9%Added
Silvercrest Asset Management Group LLC947,169$8.06M0.05%+136,654+16.9%Added
Harbor Capital Advisors, Inc.894,793$7.62M0.32%+420,428+88.6%Added
Roubaix Capital, LLC803,366$6.84M3.28%−114,409−12.5%Reduced
Renaissance Technologies LLC713,241$6.07M0.01%−95,759−11.8%Reduced
Qube Research & Technologies Ltd703,291$5.99M0.01%+133,218+23.4%Added
Citadel Advisors LLC691,849$5.89M0.01%+223,237+47.6%Added
Bridgeway Capital Management, LLC668,207$5.69M0.13%+19,896+3.1%Added
Wellington Management Group LLP661,697$5.63M0.00%+68,468+11.5%Added
Granahan Investment Management Inc657,460$5.59M0.23%−118,970−15.3%Reduced
Rice Hall James & Associates, LLC656,243$5.58M0.30%−35,039−5.1%Reduced
Uniplan Investment Counsel, Inc.655,833$5.58M0.56%−60,606−8.5%Reduced
Panagora Asset Management Inc607,722$5.17M0.02%+32,131+5.6%Added
Nuveen, LLC527,826$4.49M0.00%+228,742+76.5%Added
Paragon Associates & Paragon Associates II Joint Venture500,000$4.25M6.76%+75,000+17.6%Added
Oberweis Asset Management Inc496,500$4.23M0.18%+496,500New
Jacobs Levy Equity Management, Inc494,590$4.21M0.02%+30,863+6.7%Added
Goldman Sachs Group Inc455,393$3.88M0.00%+185,514+68.7%Added
Jane Street Group, LLC447,750$3.81M0.01%+364,115+435.4%Added
Franklin Resources Inc432,786$3.68M0.00%−377,149−46.6%Reduced
Empowered Funds, LLC418,207$3.56M0.04%+19,896+5.0%Added
First Eagle Investment Management, LLC417,121$3.55M0.01%−209,984−33.5%Reduced
Prudential Financial Inc414,233$3.53M0.00%+345,299+500.9%Added
Marathon Capital Management395,850$3.37M0.86%−18,025−4.4%Reduced
Arrowstreet Capital, Limited Partnership322,735$2.75M0.00%+322,735New
Bank of New York Mellon Corp271,883$2.31M0.00%−6,012−2.2%Reduced
Fisher Asset Management, LLC239,286$2.04M0.00%00.0%Unchanged
UBS Asset Management Americas Inc237,229$2.02M0.00%+53,263+29.0%Added
Cubist Systematic Strategies, LLC235,313$2.00M0.02%+235,313New
Skylands Capital, LLC218,474$1.86M0.27%−52,984−19.5%Reduced
Jackson Creek Investment Advisors LLC201,349$1.71M0.46%+201,349New
Raymond James Financial Inc187,387$1.59M0.00%+23,984+14.7%Added
Kennedy Capital Management, Inc.186,117$1.58M0.04%+13,282+7.7%Added
Invesco Ltd.175,222$1.49M0.00%−9,976−5.4%Reduced
Trexquant Investment LP172,472$1.47M0.02%+172,472New
Victory Capital Management Inc163,138$1.39M0.00%−5,950−3.5%Reduced
Swiss National Bank157,000$1.34M0.00%−2,500−1.6%Reduced
Barclays PLC154,287$1.31M0.00%+52,368+51.4%Added
1492 Capital Management LLC151,055$1.29M0.59%−122,110−44.7%Reduced
Rhumbline Advisers147,460$1.25M0.00%−11,228−7.1%Reduced
Ironwood Investment Management LLC143,199$1.22M0.59%+3,926+2.8%Added
Perritt Capital Management Inc140,100$1.19M0.62%−600−0.4%Reduced
Janney Montgomery Scott LLC126,550$1.08M0.00%+477+0.4%Added
G2 Investment Partners Management LLC110,200$937.8K0.21%+110,200New
Two Sigma Investments, LP110,151$937.4K0.00%+14,311+14.9%Added
Susquehanna International Group, LLP109,075$928.2K0.00%+2,901+2.7%Added
Rothschild Investment LLC105,426$897.2K0.06%+110+0.1%Added
Northeast Financial Group, Inc.93,810$798.3K0.25%−84,000−47.2%Reduced
D. E. Shaw & Co., Inc.93,220$793.3K0.00%+10,461+12.6%Added
Alliancebernstein L.P.92,022$783.1K0.00%00.0%Unchanged
Boston Partners91,918$782.2K0.00%+616+0.7%Added
Millennium Management LLC91,396$777.8K0.00%−82,931−47.6%Reduced
CoreCommodity Management, LLC88,687$754.7K0.12%−1,512−1.7%Reduced
Fuller & Thaler Asset Management, Inc.88,045$749.3K0.00%−22,310−20.2%Reduced
AQR Capital Management LLC86,404$735.3K0.00%−94,881−52.3%Reduced
Legal & General Group Plc83,486$710.5K0.00%−13,683−14.1%Reduced
Great West Life Assurance Co77,893$664.0K0.00%+5,663+7.8%Added
Calamos Advisors LLC77,410$658.8K0.00%−3,147−3.9%Reduced
California State Teachers Retirement System75,858$645.6K0.00%−1,184−1.5%Reduced
JPMorgan Chase & Co74,376$632.9K0.00%−46,819−38.6%Reduced
STRS Ohio69,300$589.7K0.00%−8,300−10.7%Reduced
Penbrook Management LLC68,585$583.7K0.44%−12,825−15.8%Reduced
Royal Bank of Canada67,451$573.0K0.00%+36,638+118.9%Added
UBS Group AG62,767$534.1K0.00%−187,138−74.9%Reduced
XTX Topco Ltd61,938$527.1K0.02%+19,696+46.6%Added
Wells Fargo & Company61,308$521.7K0.00%+1,140+1.9%Added
Verition Fund Management LLC60,412$514.1K0.00%+60,412New
Two Sigma Advisers, LP59,100$502.9K0.00%−2,700−4.4%Reduced
Bank of America Corp58,448$497.4K0.00%−148,468−71.8%Reduced
Intech Investment Management LLC56,521$481.0K0.00%−16,289−22.4%Reduced
Earnest Partners LLC55,757$474.5K0.00%−19,841−26.2%Reduced
Deutsche Bank AG55,498$472.3K0.00%−12,051−17.8%Reduced
Brevan Howard Capital Management LP54,000$459.5K0.01%+19,721+57.5%Added
Public Employees Retirement System of Ohio53,788$457.7K0.00%+13,143+32.3%Added
Price T Rowe Associates Inc53,032$452.0K0.00%+4,819+10.0%Added
Terril Brothers, Inc.52,020$442.7K0.17%−580−1.1%Reduced
Versor Investments LP51,800$440.8K0.08%−14,700−22.1%Reduced
Pacific Ridge Capital Partners, LLC48,657$414.1K0.10%00.0%Unchanged
State Board of Administration of Florida Retirement System48,622$413.8K0.00%00.0%Unchanged