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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, Q1 2025

Institutional positions in NPK International Inc. as of Mar 31, 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
175
−1 vs. Q4 2024
Shares held
75.7M
−2.08M (−2.7%) vs. Q4 2024
Total value
$439.7M
−$156.6M (−26.3%) vs. Q4 2024
New holders
26
58 more added
Sold out
27
63 more reduced

1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 holdersQ1 2025: 175 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 heldQ1 2025: $439.7M
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, Q1 2025

Shares, value and share of portfolio for each institution holding NPK International Inc.; share changes are against Q4 2024.

Institutions holding NPKI in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Calamos Advisors LLC80,557$468.0K0.00%−79,118−49.5%Reduced
Penbrook Management LLC81,410$473.0K0.36%−575−0.7%Reduced
D. E. Shaw & Co., Inc.82,759$480.8K0.00%+27,832+50.7%Added
Jane Street Group, LLC83,635$485.9K0.00%+83,635New
CoreCommodity Management, LLC90,199$524.1K0.09%+22,082+32.4%Added
Boston Partners91,302$530.5K0.00%−1,775,165−95.1%Reduced
Alliancebernstein L.P.92,022$534.6K0.00%00.0%Unchanged
Two Sigma Investments, LP95,840$556.8K0.00%−19,881−17.2%Reduced
Legal & General Group Plc97,169$564.6K0.00%00.0%Unchanged
Barclays PLC101,919$592.2K0.00%−41,888−29.1%Reduced
Rothschild Investment LLC105,316$611.9K0.04%+450.0%Added
Susquehanna International Group, LLP106,174$616.9K0.00%+67,019+171.2%Added
Fuller & Thaler Asset Management, Inc.110,355$641.2K0.00%−22,415−16.9%Reduced
JPMorgan Chase & Co121,195$704.1K0.00%−349,680−74.3%Reduced
Janney Montgomery Scott LLC126,073$732.0K0.00%−721−0.6%Reduced
Tudor Investment Corp Et Al138,140$802.6K0.01%+138,140New
Ironwood Investment Management LLC139,273$809.2K0.44%−8,027−5.4%Reduced
Perritt Capital Management Inc140,700$817.5K0.45%−2,000−1.4%Reduced
Rhumbline Advisers158,688$922.0K0.00%−1,985−1.2%Reduced
Swiss National Bank159,500$926.7K0.00%00.0%Unchanged
Raymond James Financial Inc163,403$949.4K0.00%−3,344−2.0%Reduced
Victory Capital Management Inc169,088$982.4K0.00%−2,450−1.4%Reduced
Kennedy Capital Management, Inc.172,835$1.00M0.02%−1,006−0.6%Reduced
Millennium Management LLC174,327$1.01M0.00%+159,495+1,075.3%Added
Northeast Financial Group, Inc.177,810$1.03M0.39%+111,908+169.8%Added
AQR Capital Management LLC181,285$1.05M0.00%−87,160−32.5%Reduced
UBS Asset Management Americas Inc183,966$1.07M0.00%−2,312−1.2%Reduced
Invesco Ltd.185,198$1.08M0.00%−54,553−22.8%Reduced
Bank of America Corp206,916$1.20M0.00%+116,337+128.4%Added
ExodusPoint Capital Management, LP221,966$1.29M0.02%+221,966New
Fisher Asset Management, LLC239,286$1.39M0.00%00.0%Unchanged
UBS Group AG249,905$1.45M0.00%−3,425−1.4%Reduced
Goldman Sachs Group Inc269,879$1.57M0.00%−307,731−53.3%Reduced
Skylands Capital, LLC271,458$1.58M0.23%+72,958+36.8%Added
1492 Capital Management LLC273,165$1.59M0.86%−171,140−38.5%Reduced
Bank of New York Mellon Corp277,895$1.61M0.00%−1220.0%Reduced
Nuveen, LLC299,084$1.74M0.00%+299,084New
Empowered Funds, LLC398,311$2.31M0.03%+15,962+4.2%Added
Marathon Capital Management413,875$2.40M0.64%+7,825+1.9%Added
Paragon Associates & Paragon Associates II Joint Venture425,000$2.47M5.79%+350,000+466.7%Added
Jacobs Levy Equity Management, Inc463,727$2.69M0.01%+463,727New
Citadel Advisors LLC468,612$2.72M0.00%+116,109+32.9%Added
Harbor Capital Advisors, Inc.474,365$2.76M0.13%+3,586+0.8%Added
Qube Research & Technologies Ltd570,073$3.31M0.01%+68,813+13.7%Added
Panagora Asset Management Inc575,591$3.34M0.02%+70,109+13.9%Added
Wellington Management Group LLP593,229$3.45M0.00%+272,300+84.8%Added
First Eagle Investment Management, LLC627,105$3.64M0.01%+305,514+95.0%Added
Bridgeway Capital Management, LLC648,311$3.77M0.09%+15,962+2.5%Added
Rice Hall James & Associates, LLC691,282$4.02M0.24%+264,035+61.8%Added
Uniplan Investment Counsel, Inc.716,439$4.16M0.41%+226,675+46.3%Added
Granahan Investment Management Inc776,430$4.51M0.22%+70,723+10.0%Added
Renaissance Technologies LLC809,000$4.70M0.01%+6,184+0.8%Added
Franklin Resources Inc809,935$4.71M0.00%−12,467−1.5%Reduced
Silvercrest Asset Management Group LLC810,515$4.71M0.03%−4,674−0.6%Reduced
Charles Schwab Investment Management Inc859,148$4.99M0.00%+112,643+15.1%Added
Roubaix Capital, LLC917,775$5.33M2.78%+30,372+3.4%Added
Tieton Capital Management, LLC990,085$5.75M2.63%−22,745−2.2%Reduced
Northern Trust Corp1,079,077$6.27M0.00%−76,700−6.6%Reduced
Pennant Select, LLC1,094,952$6.36M4.95%00.0%Unchanged
Russell Investments Group, Ltd.1,158,825$6.73M0.01%+6,401+0.6%Added
Punch & Associates Investment Management, Inc.1,207,100$7.01M0.46%−445,900−27.0%Reduced
Loomis Sayles & Co L P1,242,785$7.22M0.01%−1,012−0.1%Reduced
Ancora Advisors, LLC1,395,550$8.11M0.18%+220,535+18.8%Added
Morgan Stanley2,076,998$12.1M0.00%−175,289−7.8%Reduced
ArrowMark Colorado Holdings LLC2,126,142$12.4M0.20%−272,658−11.4%Reduced
State Street Corp2,233,845$13.0M0.00%−161,450−6.7%Reduced
Geode Capital Management, LLC2,392,784$13.9M0.00%+459,356+23.8%Added
American Century Companies Inc2,650,863$15.4M0.01%+36,152+1.4%Added
Royce & Associates LP2,747,740$16.0M0.17%+49,670+1.8%Added
Wasatch Advisors Inc3,438,518$20.0M0.11%+269,487+8.5%Added
Conversant Capital LLC4,178,633$24.3M4.95%00.0%Unchanged
Vanguard Group Inc5,437,273$31.6M0.00%+14,009+0.3%Added
Dimensional Fund Advisors LP5,957,792$34.6M0.01%−159,814−2.6%Reduced
Ameriprise Financial Inc6,696,796$38.9M0.01%−759,148−10.2%Reduced
BlackRock, Inc.6,924,001$40.2M0.00%+45,417+0.7%Added
J. Goldman & Co LP0$00.00%−443,624−100.0%Sold out
4D Advisors, LLC0$00.00%−415,000−100.0%Sold out
M&T Bank Corp0$00.00%−257,252−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−219,304−100.0%Sold out
Archon Capital Management LLC0$00.00%−207,091−100.0%Sold out
Mariner, LLC0$00.00%−122,624−100.0%Sold out
Thomist Capital Management, LP0$00.00%−110,700−100.0%Sold out
Quantinno Capital Management LP0$00.00%−25,749−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−25,400−100.0%Sold out
Adage Capital Partners GP, L.L.C.0$00.00%−25,000−100.0%Sold out
Oxford Asset Management LLP0$00.00%−24,720−100.0%Sold out
Bleakley Financial Group, LLC0$00.00%−21,798−100.0%Sold out
First Bank & Trust0$00.00%−19,836−100.0%Sold out
Sherbrooke Park Advisers LLC0$00.00%−18,205−100.0%Sold out
LPL Financial LLC0$00.00%−17,387−100.0%Sold out
Catalina Capital Group, LLC0$00.00%−12,343−100.0%Sold out
Captrust Financial Advisors0$00.00%−12,285−100.0%Sold out
SRS Capital Advisors, Inc.0$00.00%−11,095−100.0%Sold out
New York State Teachers Retirement System0$00.00%−7,562−100.0%Sold out
National Bank of Canada0$00.00%−1,332−100.0%Sold out
Versant Capital Management, Inc0$00.00%−312−100.0%Sold out
First Horizon Advisors, Inc.0$00.00%−158−100.0%Sold out
Private Wealth Management Group, LLC0$00.00%−155−100.0%Sold out
Bruce G. Allen Investments, LLC0$00.00%−60−100.0%Sold out
Coppell Advisory Solutions LLC0$00.00%−47−100.0%Sold out