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 2026
Institutional positions in NPK International Inc. as of Jun 30, 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
- 256
- +14 vs. Q1 2026
- Shares held
- 78.0M
- +2.44M (+3.2%) vs. Q1 2026
- Total value
- $1.24B
- +$145.9M (+13.3%) vs. Q1 2026
- New holders
- 39
- 100 more added
- Sold out
- 25
- 85 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding NPK International Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| AQR Capital Management LLC | 306,058 | $4.87M | 0.00% | +64,743+26.8% | Added |
| Jacobs Levy Equity Management, Inc | 310,239 | $4.94M | 0.02% | −71,199−18.7% | Reduced |
| Norges Bank | 323,100 | $5.14M | 0.00% | +323,100 | New |
| D. E. Shaw & Co., Inc. | 327,606 | $5.21M | 0.00% | +230,564+237.6% | Added |
| OP Asset Management Ltd | 333,418 | $5.30M | 0.06% | 00.0% | Unchanged |
| Marshall Wace, LLP | 335,734 | $5.34M | 0.00% | +281,617+520.4% | Added |
| Marathon Capital Management | 343,930 | $5.47M | 1.11% | −2,180−0.6% | Reduced |
| Cannell Capital LLC | 359,882 | $5.73M | 4.00% | −294,807−45.0% | Reduced |
| Citadel Advisors LLC | 363,503 | $5.78M | 0.00% | +303,814+509.0% | Added |
| ArrowMark Colorado Holdings LLC | 400,141 | $6.37M | 0.27% | −166,254−29.4% | Reduced |
| SEI Investments Co | 418,914 | $6.67M | 0.01% | −418,243−50.0% | Reduced |
| Rice Hall James & Associates, LLC | 491,243 | $7.82M | 0.38% | −53,834−9.9% | Reduced |
| First Trust Advisors LP | 538,191 | $8.56M | 0.01% | +538,191 | New |
| Uniplan Investment Counsel, Inc. | 544,278 | $8.66M | 0.81% | +16,594+3.1% | Added |
| Two Sigma Investments, LP | 559,499 | $8.90M | 0.01% | −501,405−47.3% | Reduced |
| Silvercrest Asset Management Group LLC | 577,718 | $9.19M | 0.06% | −27,551−4.6% | Reduced |
| Oberweis Asset Management Inc | 587,550 | $9.35M | 0.19% | +69,400+13.4% | Added |
| Vanguard Fiduciary Trust Co | 597,805 | $9.51M | 0.00% | +61,802+11.5% | Added |
| First Sabrepoint Capital Management LP | 600,000 | $9.55M | 4.08% | +50,000+9.1% | Added |
| Goldman Sachs Group Inc | 601,060 | $9.56M | 0.00% | −410,629−40.6% | Reduced |
| Allianz Asset Management GmbH | 614,147 | $9.77M | 0.01% | −542,383−46.9% | Reduced |
| Asset Management One Co.,Ltd. | 659,414 | $10.5M | 0.03% | +153,894+30.4% | Added |
| Ancora Advisors, LLC | 678,760 | $10.8M | 0.21% | −48,590−6.7% | Reduced |
| Axiom Investors LLC | 695,540 | $11.1M | 0.10% | −41,785−5.7% | Reduced |
| First Eagle Investment Management, LLC | 721,002 | $11.5M | 0.02% | +447,181+163.3% | Added |
| Wellington Management Group LLP | 790,335 | $12.6M | 0.00% | +525,718+198.7% | Added |
| Northern Trust Corp | 795,342 | $12.7M | 0.00% | −173,159−17.9% | Reduced |
| Panagora Asset Management Inc | 800,956 | $12.7M | 0.04% | +123,404+18.2% | Added |
| Tieton Capital Management, LLC | 820,845 | $13.1M | 3.76% | −15,075−1.8% | Reduced |
| Nuveen, LLC | 919,147 | $14.6M | 0.00% | −153,918−14.3% | Reduced |
| Vanguard Portfolio Management LLC | 978,659 | $15.6M | 0.00% | +117,192+13.6% | Added |
| Invesco Ltd. | 1,000,547 | $15.9M | 0.00% | +732,096+272.7% | Added |
| Charles Schwab Investment Management Inc | 1,028,113 | $16.4M | 0.00% | −67,488−6.2% | Reduced |
| Millennium Management LLC | 1,049,928 | $16.7M | 0.01% | +891,036+560.8% | Added |
| Emerald Mutual Fund Advisers Trust | 1,074,368 | $17.1M | 0.60% | +1,074,368 | New |
| Qube Research & Technologies Ltd | 1,098,020 | $17.5M | 0.02% | −42,565−3.7% | Reduced |
| Prudential Financial Inc | 1,116,379 | $17.8M | 0.02% | −570,250−33.8% | Reduced |
| Arrowstreet Capital, Limited Partnership | 1,134,552 | $18.1M | 0.01% | −404,536−26.3% | Reduced |
| Loomis Sayles & Co L P | 1,150,634 | $18.3M | 0.02% | −27,359−2.3% | Reduced |
| Electron Capital Partners, LLC | 1,169,304 | $18.6M | 0.74% | +69,361+6.3% | Added |
| Morgan Stanley | 1,259,432 | $20.0M | 0.00% | −563,628−30.9% | Reduced |
| Russell Investments Group, Ltd. | 1,395,934 | $22.2M | 0.02% | −330,309−19.1% | Reduced |
| Massachusetts Financial Services Co | 1,452,984 | $23.1M | 0.01% | +1,452,984 | New |
| Thrivent Financial for Lutherans | 1,513,362 | $24.1M | 0.04% | −152,261−9.1% | Reduced |
| Emerald Advisers, LLC | 1,573,597 | $25.0M | 0.59% | +1,573,597 | New |
| Punch & Associates Investment Management, Inc. | 1,738,857 | $27.7M | 1.37% | −79,933−4.4% | Reduced |
| State Street Corp | 2,014,703 | $32.1M | 0.00% | +59,384+3.0% | Added |
| Royce & Associates LP | 2,149,100 | $34.2M | 0.28% | +78,090+3.8% | Added |
| Geode Capital Management, LLC | 2,369,714 | $37.7M | 0.00% | +125,550+5.6% | Added |
| Wasatch Advisors Inc | 2,811,593 | $44.7M | 0.29% | −87,428−3.0% | Reduced |
| American Century Companies Inc | 3,128,652 | $49.8M | 0.02% | +84,889+2.8% | Added |
| Vanguard Capital Management LLC | 3,604,823 | $57.4M | 0.00% | +179,881+5.3% | Added |
| Dimensional Fund Advisors LP | 3,641,547 | $57.9M | 0.01% | −342,111−8.6% | Reduced |
| Ameriprise Financial Inc | 4,486,433 | $71.4M | 0.01% | −1,137,119−20.2% | Reduced |
| BlackRock, Inc. | 7,940,503 | $126.3M | 0.00% | +737,798+10.2% | Added |
| Apeiron RIA LLC | 5,337 | – | – | +5,337 | New |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −337,699−100.0% | Sold out |
| Roubaix Capital, LLC | 0 | $0 | 0.00% | −269,935−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −158,527−100.0% | Sold out |
| Panoramic Capital, LLC | 0 | $0 | 0.00% | −127,754−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −124,779−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −58,425−100.0% | Sold out |
| Bridgeway Capital Management, LLC | 0 | $0 | 0.00% | −50,740−100.0% | Sold out |
| Empowered Funds, LLC | 0 | $0 | 0.00% | −49,740−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −32,254−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −27,804−100.0% | Sold out |
| Shay Capital LLC | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −18,015−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −13,938−100.0% | Sold out |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0 | $0 | 0.00% | −13,851−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −11,446−100.0% | Sold out |
| Polymer Capital Management (US) LLC | 0 | $0 | 0.00% | −10,289−100.0% | Sold out |
| Cresset Asset Management, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −1,531−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −715−100.0% | Sold out |
| United Financial Planning Group LLC | 0 | $0 | 0.00% | −342−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −230−100.0% | Sold out |
| Bayban | 0 | $0 | 0.00% | −159−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −48−100.0% | Sold out |
| Rachor Investment Advisory Services, LLC | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| Massmutual Trust Co FSB | 0 | $0 | 0.00% | −24−100.0% | Sold out |
| Paragon Associates & Paragon Associates II Joint Venture | – | – | – | – | Not filed |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| USA Financial Portformulas Corp | – | – | – | – | Not filed |