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 |
|---|---|---|---|---|---|
| Cambridge Investment Research Advisors, Inc. | 27,498 | $398.0K | 0.00% | +2,817+11.4% | Added |
| Intech Investment Management LLC | 27,501 | $398.5K | 0.00% | −14,231−34.1% | Reduced |
| Ashton Thomas Private Wealth, LLC | 27,638 | $400.5K | 0.01% | +10,324+59.6% | Added |
| Mercer Global Advisors Inc | 29,275 | $424.2K | 0.00% | +4,912+20.2% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 29,654 | $429.7K | 0.00% | +13,806+87.1% | Added |
| GWN Securities Inc. | 30,660 | $444.3K | 0.09% | +3,963+14.8% | Added |
| Aquatic Capital Management LLC | 30,680 | $444.6K | 0.01% | +19,305+169.7% | Added |
| Diversified Trust Co | 31,038 | $449.7K | 0.01% | +3,591+13.1% | Added |
| HRT Financial LP | 32,254 | $467.0K | 0.00% | +32,254 | New |
| RSM US Wealth Management LLC | 32,271 | $467.6K | 0.01% | −1,699−5.0% | Reduced |
| Massar Capital Management, LP | 33,150 | $480.3K | 0.10% | 00.0% | Unchanged |
| Savant Capital, LLC | 33,629 | $487.3K | 0.00% | −258−0.8% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 36,812 | $533.4K | 0.00% | +36,812 | New |
| Janus Henderson Group PLC | 37,000 | $536.9K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 37,493 | $543.3K | 0.00% | +12,564+50.4% | Added |
| Vident Advisory, LLC | 37,589 | $544.7K | 0.00% | +37,589 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 38,459 | $557.3K | 0.00% | +318+0.8% | Added |
| NorthCrest Asset Manangement, LLC | 39,314 | $566.9K | 0.02% | +225+0.6% | Added |
| BNP Paribas Arbitrage, SA | 39,938 | $578.7K | 0.00% | −4,957−11.0% | Reduced |
| EntryPoint Capital, LLC | 39,998 | $579.6K | 0.17% | +11,960+42.7% | Added |
| Canada Pension Plan Investment Board | 40,000 | $579.6K | 0.00% | +31,100+349.4% | Added |
| ARS Investment Partners, LLC | 41,209 | $597.1K | 0.03% | −2,572−5.9% | Reduced |
| MetLife Investment Management | 41,612 | $603.0K | 0.00% | −3,741−8.2% | Reduced |
| Wells Fargo & Company | 44,721 | $648.0K | 0.00% | −58,014−56.5% | Reduced |
| Vanguard Global Advisers, LLC | 44,903 | $650.6K | 0.00% | +44,903 | New |
| Fuller & Thaler Asset Management, Inc. | 45,685 | $662.0K | 0.00% | −7,585−14.2% | Reduced |
| Public Employees Retirement System of Ohio | 46,293 | $670.8K | 0.00% | −7,214−13.5% | Reduced |
| State of Wyoming | 46,713 | $676.9K | 0.08% | +21,488+85.2% | Added |
| Boston Partners | 47,111 | $682.6K | 0.00% | −5,425−10.3% | Reduced |
| Graham Capital Management, L.P. | 47,195 | $683.9K | 0.02% | +1,427+3.1% | Added |
| Penn Capital Management Co Inc | 47,883 | $693.8K | 0.05% | −5,189−9.8% | Reduced |
| State Board of Administration of Florida Retirement System | 48,622 | $704.5K | 0.00% | 00.0% | Unchanged |
| Susquehanna Portfolio Strategies, LLC | 49,060 | $710.9K | 0.01% | 00.0% | Unchanged |
| Empowered Funds, LLC | 49,740 | $720.7K | 0.00% | +49,740 | New |
| Bridgeway Capital Management, LLC | 50,740 | $735.2K | 0.01% | −574,883−91.9% | Reduced |
| Pacific Ridge Capital Partners, LLC | 50,957 | $738.4K | 0.16% | +100.0% | Added |
| STRS Ohio | 51,400 | $744.8K | 0.00% | −4,200−7.6% | Reduced |
| Susquehanna International Group, LLP | 51,477 | $745.9K | 0.00% | +18,413+55.7% | Added |
| Creative Planning | 52,158 | $755.8K | 0.00% | +5,675+12.2% | Added |
| HSBC Holdings PLC | 52,549 | $764.1K | 0.00% | +38,429+272.2% | Added |
| Legal & General Group Plc | 53,793 | $779.5K | 0.00% | −23,112−30.1% | Reduced |
| Marshall Wace, LLP | 54,117 | $784.2K | 0.00% | +54,117 | New |
| Alliancebernstein L.P. | 69,622 | $829.9K | 0.00% | −22,400−24.3% | Reduced |
| Susquehanna Fundamental Investments, LLC | 58,048 | $841.1K | 0.03% | +19,005+48.7% | Added |
| Walleye Capital LLC | 58,425 | $846.6K | 0.01% | +58,425 | New |
| Vanguard Asset Management, Ltd | 58,475 | $847.3K | 0.00% | +58,475 | New |
| Citadel Advisors LLC | 59,689 | $864.9K | 0.00% | −181,951−75.3% | Reduced |
| Sigma Planning Corp | 60,000 | $869.4K | 0.02% | +60,000 | New |
| Penbrook Management LLC | 67,250 | $974.5K | 0.74% | 00.0% | Unchanged |
| Rothschild Investment LLC | 69,027 | $1.00M | 0.05% | −32,296−31.9% | Reduced |
| Quantbot Technologies LP | 74,527 | $1.08M | 0.04% | +4,819+6.9% | Added |
| Price T Rowe Associates Inc | 74,766 | $1.08M | 0.00% | +13,030+21.1% | Added |
| Pinnacle Associates Ltd | 76,516 | $1.11M | 0.01% | +9,876+14.8% | Added |
| Citigroup Inc | 77,283 | $1.12M | 0.00% | +74,945+3,205.5% | Added |
| Deutsche Bank AG | 77,378 | $1.12M | 0.00% | +7,724+11.1% | Added |
| California State Teachers Retirement System | 80,217 | $1.16M | 0.00% | −612−0.8% | Reduced |
| State of Wisconsin Investment Board | 82,388 | $1.19M | 0.00% | −11,503−12.3% | Reduced |
| Gsa Capital Partners LLP | 83,974 | $1.22M | 0.08% | −30,884−26.9% | Reduced |
| Round Rock Advisors, LLC | 92,505 | $1.34M | 0.21% | +391+0.4% | Added |
| Dark Forest Capital Management LP | 93,702 | $1.36M | 0.12% | +93,702 | New |
| SG Americas Securities, LLC | 95,553 | $1.39M | 0.00% | +56,277+143.3% | Added |
| D. E. Shaw & Co., Inc. | 97,042 | $1.41M | 0.00% | −105,088−52.0% | Reduced |
| Crown Advisors Management, Inc. | 100,000 | $1.45M | 0.96% | +100,000 | New |
| Principal Financial Group Inc | 104,255 | $1.51M | 0.00% | −11,490−9.9% | Reduced |
| Franklin Resources Inc | 105,147 | $1.52M | 0.00% | +412+0.4% | Added |
| Y-Intercept (Hong Kong) Ltd | 110,282 | $1.60M | 0.03% | +4,666+4.4% | Added |
| Rhumbline Advisers | 117,604 | $1.70M | 0.00% | −6,048−4.9% | Reduced |
| North Star Investment Management Corp. | 120,000 | $1.74M | 0.11% | +120,000 | New |
| Man Group plc | 124,779 | $1.81M | 0.00% | +61,452+97.0% | Added |
| Jump Financial, LLC | 124,975 | $1.81M | 0.03% | −114,284−47.8% | Reduced |
| Panoramic Capital, LLC | 127,754 | $1.85M | 1.30% | −75,000−37.0% | Reduced |
| UBS Asset Management Americas Inc | 129,633 | $1.88M | 0.00% | +2,122+1.7% | Added |
| ExodusPoint Capital Management, LP | 135,822 | $1.97M | 0.02% | +135,822 | New |
| Squarepoint Ops LLC | 138,068 | $2.00M | 0.00% | +79,412+135.4% | Added |
| Engineers Gate Manager LP | 138,946 | $2.01M | 0.03% | +35,967+34.9% | Added |
| Ironwood Investment Management LLC | 140,616 | $2.04M | 0.85% | −1,282−0.9% | Reduced |
| Campbell & CO Investment Adviser LLC | 144,002 | $2.09M | 0.12% | +57,093+65.7% | Added |
| Riverwater Partners LLC | 155,150 | $2.25M | 0.75% | −2,726−1.7% | Reduced |
| Lazard Asset Management LLC | 158,527 | $2.30M | 0.00% | −78,695−33.2% | Reduced |
| Millennium Management LLC | 158,892 | $2.30M | 0.00% | +52,405+49.2% | Added |
| Gilder Gagnon Howe & Co LLC | 160,596 | $2.33M | 0.03% | −9,677−5.7% | Reduced |
| Skylands Capital, LLC | 164,300 | $2.38M | 0.31% | −5,400−3.2% | Reduced |
| Swiss National Bank | 166,600 | $2.41M | 0.00% | 00.0% | Unchanged |
| 1492 Capital Management LLC | 176,003 | $2.55M | 0.97% | −1,660−0.9% | Reduced |
| Raymond James Financial Inc | 180,137 | $2.61M | 0.00% | −3,412−1.9% | Reduced |
| Harbor Capital Advisors, Inc. | 185,603 | $2.69M | 0.22% | −33,046−15.1% | Reduced |
| Kennedy Capital Management, Inc. | 187,651 | $2.72M | 0.06% | +3,361+1.8% | Added |
| JPMorgan Chase & Co | 207,952 | $2.96M | 0.00% | −22,927−9.9% | Reduced |
| Fisher Asset Management, LLC | 233,017 | $3.38M | 0.00% | +1,046+0.5% | Added |
| Bank of America Corp | 240,022 | $3.48M | 0.00% | +42,308+21.4% | Added |
| AQR Capital Management LLC | 241,315 | $3.50M | 0.00% | +66,812+38.3% | Added |
| Wellington Management Group LLP | 264,617 | $3.83M | 0.00% | −241,980−47.8% | Reduced |
| Bank of New York Mellon Corp | 266,284 | $3.86M | 0.00% | −2,107−0.8% | Reduced |
| Invesco Ltd. | 268,451 | $3.89M | 0.00% | +88,115+48.9% | Added |
| Roubaix Capital, LLC | 269,935 | $3.91M | 1.83% | −305,413−53.1% | Reduced |
| First Eagle Investment Management, LLC | 273,821 | $3.97M | 0.01% | +8,500+3.2% | Added |
| Point72 Asset Management, L.P. | 304,183 | $4.41M | 0.01% | −232,848−43.4% | Reduced |
| UBS Group AG | 312,551 | $4.53M | 0.00% | +24,166+8.4% | Added |
| OP Asset Management Ltd | 333,418 | $4.83M | 0.05% | +229,161+219.8% | Added |
| Jane Street Group, LLC | 337,699 | $4.89M | 0.01% | +13,582+4.2% | Added |