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 2026
Institutional positions in NPK International Inc. as of Mar 31, 2026. 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
- 246
- +10 vs. Q4 2025
- Shares held
- 76.0M
- +5.69M (+8.1%) vs. Q4 2025
- Total value
- $1.10B
- +$262.3M (+31.3%) vs. Q4 2025
- New holders
- 38
- 87 more added
- Sold out
- 28
- 92 more reduced
5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 256 | $1.24B |
| Q1 2026 | 246 | $1.10B |
| Q4 2025 | 241 | $896.1M |
| Q3 2025 | 208 | $836.9M |
| Q2 2025 | 189 | $645.1M |
| Q1 2025 | 175 | $439.7M |
| Q4 2024 | 177 | $598.5M |
| Q3 2024 | 189 | $511.3M |
| Q2 2024 | 197 | $597.1M |
| Q1 2024 | 187 | $491.3M |
| Q4 2023 | 180 | $457.5M |
| Q3 2023 | 151 | $443.4M |
| Q2 2023 | 127 | $304.4M |
| Q1 2023 | 119 | $220.2M |
| Q4 2022 | 119 | $248.8M |
| Q3 2022 | 115 | $163.3M |
| Q2 2022 | 120 | $205.1M |
| Q1 2022 | 128 | $244.2M |
| Q4 2021 | 113 | $186.7M |
| Q3 2021 | 110 | $212.0M |
| Q2 2021 | 124 | $229.6M |
| Q1 2021 | 114 | $205.6M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding NPK International Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Asset Management, Ltd | 58,475 | $847.3K | 0.00% | +58,475 | New |
| Walleye Capital LLC | 58,425 | $846.6K | 0.01% | +58,425 | New |
| Susquehanna Fundamental Investments, LLC | 58,048 | $841.1K | 0.03% | +19,005+48.7% | Added |
| Alliancebernstein L.P. | 69,622 | $829.9K | 0.00% | −22,400−24.3% | Reduced |
| Marshall Wace, LLP | 54,117 | $784.2K | 0.00% | +54,117 | New |
| Legal & General Group Plc | 53,793 | $779.5K | 0.00% | −23,112−30.1% | Reduced |
| HSBC Holdings PLC | 52,549 | $764.1K | 0.00% | +38,429+272.2% | Added |
| Creative Planning | 52,158 | $755.8K | 0.00% | +5,675+12.2% | Added |
| Susquehanna International Group, LLP | 51,477 | $745.9K | 0.00% | +18,413+55.7% | Added |
| STRS Ohio | 51,400 | $744.8K | 0.00% | −4,200−7.6% | Reduced |
| Pacific Ridge Capital Partners, LLC | 50,957 | $738.4K | 0.16% | +100.0% | Added |
| Bridgeway Capital Management, LLC | 50,740 | $735.2K | 0.01% | −574,883−91.9% | Reduced |
| Empowered Funds, LLC | 49,740 | $720.7K | 0.00% | +49,740 | New |
| Susquehanna Portfolio Strategies, LLC | 49,060 | $710.9K | 0.01% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 48,622 | $704.5K | 0.00% | 00.0% | Unchanged |
| Penn Capital Management Co Inc | 47,883 | $693.8K | 0.05% | −5,189−9.8% | Reduced |
| Graham Capital Management, L.P. | 47,195 | $683.9K | 0.02% | +1,427+3.1% | Added |
| Boston Partners | 47,111 | $682.6K | 0.00% | −5,425−10.3% | Reduced |
| State of Wyoming | 46,713 | $676.9K | 0.08% | +21,488+85.2% | Added |
| Public Employees Retirement System of Ohio | 46,293 | $670.8K | 0.00% | −7,214−13.5% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 45,685 | $662.0K | 0.00% | −7,585−14.2% | Reduced |
| Vanguard Global Advisers, LLC | 44,903 | $650.6K | 0.00% | +44,903 | New |
| Wells Fargo & Company | 44,721 | $648.0K | 0.00% | −58,014−56.5% | Reduced |
| MetLife Investment Management | 41,612 | $603.0K | 0.00% | −3,741−8.2% | Reduced |
| ARS Investment Partners, LLC | 41,209 | $597.1K | 0.03% | −2,572−5.9% | Reduced |
| Canada Pension Plan Investment Board | 40,000 | $579.6K | 0.00% | +31,100+349.4% | Added |
| EntryPoint Capital, LLC | 39,998 | $579.6K | 0.17% | +11,960+42.7% | Added |
| BNP Paribas Arbitrage, SA | 39,938 | $578.7K | 0.00% | −4,957−11.0% | Reduced |
| NorthCrest Asset Manangement, LLC | 39,314 | $566.9K | 0.02% | +225+0.6% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 38,459 | $557.3K | 0.00% | +318+0.8% | Added |
| Vident Advisory, LLC | 37,589 | $544.7K | 0.00% | +37,589 | New |
| Manufacturers Life Insurance Company, The | 37,493 | $543.3K | 0.00% | +12,564+50.4% | Added |
| Janus Henderson Group PLC | 37,000 | $536.9K | 0.00% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 36,812 | $533.4K | 0.00% | +36,812 | New |
| Savant Capital, LLC | 33,629 | $487.3K | 0.00% | −258−0.8% | Reduced |
| Massar Capital Management, LP | 33,150 | $480.3K | 0.10% | 00.0% | Unchanged |
| RSM US Wealth Management LLC | 32,271 | $467.6K | 0.01% | −1,699−5.0% | Reduced |
| HRT Financial LP | 32,254 | $467.0K | 0.00% | +32,254 | New |
| Diversified Trust Co | 31,038 | $449.7K | 0.01% | +3,591+13.1% | Added |
| Aquatic Capital Management LLC | 30,680 | $444.6K | 0.01% | +19,305+169.7% | Added |
| GWN Securities Inc. | 30,660 | $444.3K | 0.09% | +3,963+14.8% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 29,654 | $429.7K | 0.00% | +13,806+87.1% | Added |
| Mercer Global Advisors Inc | 29,275 | $424.2K | 0.00% | +4,912+20.2% | Added |
| Ashton Thomas Private Wealth, LLC | 27,638 | $400.5K | 0.01% | +10,324+59.6% | Added |
| Intech Investment Management LLC | 27,501 | $398.5K | 0.00% | −14,231−34.1% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 27,498 | $398.0K | 0.00% | +2,817+11.4% | Added |
| Fox Run Management, L.L.C. | 27,804 | $395.7K | 0.07% | +27,804 | New |
| Quantinno Capital Management LP | 26,527 | $384.4K | 0.00% | +4,880+22.5% | Added |
| Pinnacle Wealth Management Advisory Group, LLC | 26,295 | $381.0K | 0.03% | −3,213−10.9% | Reduced |
| Oppenheimer Asset Management Inc. | 25,777 | $373.5K | 0.00% | −2,363−8.4% | Reduced |
| Shay Capital LLC | 25,000 | $362.3K | 0.05% | −12,541−33.4% | Reduced |
| Zacks Investment Management | 24,528 | $355.4K | 0.00% | −6,666−21.4% | Reduced |
| Bleakley Financial Group, LLC | 24,360 | $353.0K | 0.01% | −253−1.0% | Reduced |
| Boothbay Fund Management, LLC | 23,477 | $340.2K | 0.01% | −45,813−66.1% | Reduced |
| Arizona State Retirement System | 23,208 | $336.3K | 0.00% | −137−0.6% | Reduced |
| Barclays PLC | 23,184 | $335.9K | 0.00% | −118,398−83.6% | Reduced |
| Cetera Investment Advisers | 22,354 | $323.9K | 0.00% | +1,357+6.5% | Added |
| Police & Firemen's Retirement System of New Jersey | 20,304 | $294.2K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 20,189 | $292.5K | 0.00% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 19,825 | $287.3K | 0.00% | +4,133+26.3% | Added |
| Vanguard Investments Australia, Ltd. | 19,050 | $276.0K | 0.00% | +19,050 | New |
| Ethic Inc. | 18,728 | $271.4K | 0.00% | +4,920+35.6% | Added |
| Mariner, LLC | 18,015 | $261.0K | 0.00% | +7,351+68.9% | Added |
| KLP Kapitalforvaltning AS | 18,000 | $260.8K | 0.00% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 17,991 | $259.0K | 0.00% | 00.0% | Unchanged |
| Sentinus, LLC | 17,715 | $256.7K | 0.02% | −120,785−87.2% | Reduced |
| O'Shaughnessy Asset Management, LLC | 17,564 | $254.5K | 0.00% | −29,117−62.4% | Reduced |
| Public Employees Retirement Association of Colorado | 17,237 | $250.0K | 0.00% | 00.0% | Unchanged |
| Magnetar Financial LLC | 16,993 | $246.2K | 0.00% | −15,034−46.9% | Reduced |
| The PNC Financial Services Group, Inc. | 15,199 | $220.2K | 0.00% | −2,045−11.9% | Reduced |
| Stifel Financial Corp | 14,855 | $215.3K | 0.00% | +434+3.0% | Added |
| Voya Investment Management LLC | 14,219 | $206.0K | 0.00% | −782−5.2% | Reduced |
| FMR LLC | 14,109 | $204.4K | 0.00% | −4,864−25.6% | Reduced |
| MQS Management LLC | 13,938 | $202.0K | 0.14% | +1,967+16.4% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 13,851 | $200.7K | 0.00% | +13,851 | New |
| Envestnet Asset Management Inc | 13,727 | $198.9K | 0.00% | +1,142+9.1% | Added |
| Toroso Investments, LLC | 13,129 | $190.2K | 0.00% | −456−3.4% | Reduced |
| XML Financial, LLC | 12,485 | $180.9K | 0.01% | +12,485 | New |
| M&T Bank Corp | 12,149 | $176.0K | 0.00% | +97+0.8% | Added |
| ProShare Advisors LLC | 11,899 | $172.4K | 0.00% | −3,071−20.5% | Reduced |
| Mirabella Financial Services LLP | 11,446 | $165.9K | 0.02% | +975+9.3% | Added |
| Legato Capital Management LLC | 11,243 | $162.9K | 0.01% | 00.0% | Unchanged |
| GWM Advisors LLC | 11,152 | $161.6K | 0.00% | 00.0% | Unchanged |
| Aviva PLC | 10,640 | $154.2K | 0.00% | +10,640 | New |
| Entropy Technologies, LP | 10,436 | $151.2K | 0.01% | +10,436 | New |
| SRS Capital Advisors, Inc. | 10,350 | $150.0K | 0.00% | 00.0% | Unchanged |
| JustInvest LLC | 10,307 | $149.3K | 0.00% | +187+1.8% | Added |
| Polymer Capital Management (US) LLC | 10,289 | $149.1K | 0.02% | +10,289 | New |
| Ritholtz Wealth Management | 10,089 | $146.2K | 0.00% | +21+0.2% | Added |
| Brevan Howard Capital Management LP | 10,052 | $145.7K | 0.00% | −79,437−88.8% | Reduced |
| Cresset Asset Management, LLC | 10,000 | $144.9K | 0.00% | 00.0% | Unchanged |
| Great West Life Assurance Co | 9,596 | $140.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 8,375 | $121.4K | 0.00% | −993−10.6% | Reduced |
| GAMMA Investing LLC | 8,145 | $118.0K | 0.01% | +117+1.5% | Added |
| CWM, LLC | 7,412 | $107.4K | 0.00% | +2,495+50.7% | Added |
| Rockefeller Capital Management L.P. | 7,114 | $103.1K | 0.00% | +5,686+398.2% | Added |
| Tower Research Capital LLC (TRC) | 6,988 | $101.3K | 0.00% | +3,248+86.8% | Added |
| Ameritas Investment Partners, Inc. | 6,561 | $95.1K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 5,190 | $75.2K | 0.00% | +37+0.7% | Added |
| Fifth Third Bancorp | 5,051 | $73.2K | 0.00% | +5,051 | New |