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 $1.25B 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
- 78.8M
- +3.19M (+4.2%) vs. Q1 2026
- Total value
- $1.25B
- +$158.4M (+14.5%) 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 | $1.25B |
| Q1 2026 | 246 | $1.10B |
| Q4 2025 | 241 | $896.9M |
| Q3 2025 | 208 | $839.4M |
| Q2 2025 | 189 | $646.1M |
| Q1 2025 | 175 | $440.0M |
| Q4 2024 | 177 | $598.5M |
| Q3 2024 | 189 | $513.9M |
| Q2 2024 | 197 | $598.5M |
| Q1 2024 | 187 | $520.1M |
| Q4 2023 | 180 | $475.4M |
| Q3 2023 | 151 | $443.7M |
| Q2 2023 | 127 | $304.4M |
| Q1 2023 | 119 | $220.4M |
| Q4 2022 | 119 | $248.8M |
| Q3 2022 | 115 | $163.3M |
| Q2 2022 | 120 | $205.1M |
| Q1 2022 | 128 | $244.2M |
| Q4 2021 | 113 | $187.1M |
| 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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 7,940,503 | $126.3M | 0.00% | +737,798+10.2% | Added |
| Ameriprise Financial Inc | 4,486,433 | $71.4M | 0.01% | −1,137,119−20.2% | Reduced |
| Dimensional Fund Advisors LP | 3,641,547 | $57.9M | 0.01% | −342,111−8.6% | Reduced |
| Vanguard Capital Management LLC | 3,604,823 | $57.4M | 0.00% | +179,881+5.3% | Added |
| American Century Companies Inc | 3,128,652 | $49.8M | 0.02% | +84,889+2.8% | Added |
| Wasatch Advisors Inc | 2,811,593 | $44.7M | 0.29% | −87,428−3.0% | Reduced |
| Geode Capital Management, LLC | 2,369,714 | $37.7M | 0.00% | +125,550+5.6% | Added |
| Royce & Associates LP | 2,149,100 | $34.2M | 0.28% | +78,090+3.8% | Added |
| State Street Corp | 2,014,703 | $32.1M | 0.00% | +59,384+3.0% | Added |
| Punch & Associates Investment Management, Inc. | 1,738,857 | $27.7M | 1.37% | −79,933−4.4% | Reduced |
| Emerald Advisers, LLC | 1,573,597 | $25.0M | 0.59% | +1,573,597 | New |
| Thrivent Financial for Lutherans | 1,513,362 | $24.1M | 0.04% | −152,261−9.1% | Reduced |
| Massachusetts Financial Services Co | 1,452,984 | $23.1M | 0.01% | +1,452,984 | New |
| First Eagle Investment Management, LLC | 1,442,004 | $22.9M | 0.02% | +1,168,183+426.6% | Added |
| Russell Investments Group, Ltd. | 1,395,934 | $22.2M | 0.02% | −330,309−19.1% | Reduced |
| Morgan Stanley | 1,259,432 | $20.0M | 0.00% | −563,628−30.9% | Reduced |
| Electron Capital Partners, LLC | 1,169,304 | $18.6M | 0.74% | +69,361+6.3% | Added |
| Loomis Sayles & Co L P | 1,150,634 | $18.3M | 0.02% | −27,359−2.3% | Reduced |
| Arrowstreet Capital, Limited Partnership | 1,134,552 | $18.1M | 0.01% | −404,536−26.3% | Reduced |
| Prudential Financial Inc | 1,116,379 | $17.8M | 0.02% | −570,250−33.8% | Reduced |
| Qube Research & Technologies Ltd | 1,098,020 | $17.5M | 0.02% | −42,565−3.7% | Reduced |
| Emerald Mutual Fund Advisers Trust | 1,074,368 | $17.1M | 0.60% | +1,074,368 | New |
| Millennium Management LLC | 1,049,928 | $16.7M | 0.01% | +891,036+560.8% | Added |
| Charles Schwab Investment Management Inc | 1,028,113 | $16.4M | 0.00% | −67,488−6.2% | Reduced |
| Invesco Ltd. | 1,000,547 | $15.9M | 0.00% | +732,096+272.7% | Added |
| Vanguard Portfolio Management LLC | 978,659 | $15.6M | 0.00% | +117,192+13.6% | Added |
| Nuveen, LLC | 919,147 | $14.6M | 0.00% | −153,918−14.3% | Reduced |
| Tieton Capital Management, LLC | 820,845 | $13.1M | 3.76% | −15,075−1.8% | Reduced |
| Panagora Asset Management Inc | 800,956 | $12.7M | 0.04% | +123,404+18.2% | Added |
| Northern Trust Corp | 795,342 | $12.7M | 0.00% | −173,159−17.9% | Reduced |
| Wellington Management Group LLP | 790,335 | $12.6M | 0.00% | +525,718+198.7% | Added |
| Axiom Investors LLC | 695,540 | $11.1M | 0.10% | −41,785−5.7% | Reduced |
| Ancora Advisors, LLC | 678,760 | $10.8M | 0.21% | −48,590−6.7% | Reduced |
| Asset Management One Co.,Ltd. | 659,414 | $10.5M | 0.03% | +153,894+30.4% | Added |
| Allianz Asset Management GmbH | 614,147 | $9.77M | 0.01% | −542,383−46.9% | Reduced |
| Goldman Sachs Group Inc | 601,060 | $9.56M | 0.00% | −410,629−40.6% | Reduced |
| First Sabrepoint Capital Management LP | 600,000 | $9.55M | 4.08% | +50,000+9.1% | Added |
| Vanguard Fiduciary Trust Co | 597,805 | $9.51M | 0.00% | +61,802+11.5% | Added |
| Oberweis Asset Management Inc | 587,550 | $9.35M | 0.19% | +69,400+13.4% | Added |
| Silvercrest Asset Management Group LLC | 577,718 | $9.19M | 0.06% | −27,551−4.6% | Reduced |
| Two Sigma Investments, LP | 559,499 | $8.90M | 0.01% | −501,405−47.3% | Reduced |
| Uniplan Investment Counsel, Inc. | 544,278 | $8.66M | 0.81% | +16,594+3.1% | Added |
| First Trust Advisors LP | 538,191 | $8.56M | 0.01% | +538,191 | New |
| Rice Hall James & Associates, LLC | 491,243 | $7.82M | 0.38% | −53,834−9.9% | Reduced |
| SEI Investments Co | 418,914 | $6.67M | 0.01% | −418,243−50.0% | Reduced |
| ArrowMark Colorado Holdings LLC | 400,141 | $6.37M | 0.27% | −166,254−29.4% | Reduced |
| Citadel Advisors LLC | 363,503 | $5.78M | 0.00% | +303,814+509.0% | Added |
| Cannell Capital LLC | 359,882 | $5.73M | 4.00% | −294,807−45.0% | Reduced |
| Marathon Capital Management | 343,930 | $5.47M | 1.11% | −2,180−0.6% | Reduced |
| Marshall Wace, LLP | 335,734 | $5.34M | 0.00% | +281,617+520.4% | Added |
| OP Asset Management Ltd | 333,418 | $5.30M | 0.06% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 327,606 | $5.21M | 0.00% | +230,564+237.6% | Added |
| Norges Bank | 323,100 | $5.14M | 0.00% | +323,100 | New |
| Jacobs Levy Equity Management, Inc | 310,239 | $4.94M | 0.02% | −71,199−18.7% | Reduced |
| AQR Capital Management LLC | 306,058 | $4.87M | 0.00% | +64,743+26.8% | Added |
| Edgestream Partners, L.P. | 258,097 | $4.11M | 0.12% | +258,097 | New |
| Bank of America Corp | 254,698 | $4.05M | 0.00% | +14,676+6.1% | Added |
| Bank of New York Mellon Corp | 242,570 | $3.86M | 0.00% | −23,714−8.9% | Reduced |
| Calamos Advisors LLC | 230,552 | $3.67M | 0.01% | −123,075−34.8% | Reduced |
| Renaissance Technologies LLC | 225,367 | $3.59M | 0.00% | −136,800−37.8% | Reduced |
| Granahan Investment Management Inc | 221,224 | $3.52M | 0.13% | −180,434−44.9% | Reduced |
| Teacher Retirement System of Texas | 217,565 | $3.46M | 0.01% | +217,565 | New |
| Fisher Asset Management, LLC | 213,122 | $3.39M | 0.00% | −19,895−8.5% | Reduced |
| Riverwater Partners LLC | 191,096 | $3.04M | 0.90% | +35,946+23.2% | Added |
| Kennedy Capital Management, Inc. | 183,946 | $2.93M | 0.05% | −3,705−2.0% | Reduced |
| Raymond James Financial Inc | 178,850 | $2.85M | 0.00% | −1,287−0.7% | Reduced |
| JPMorgan Chase & Co | 170,372 | $2.70M | 0.00% | −37,580−18.1% | Reduced |
| UBS Group AG | 166,419 | $2.65M | 0.00% | −146,132−46.8% | Reduced |
| Skylands Capital, LLC | 164,300 | $2.61M | 0.32% | 00.0% | Unchanged |
| Swiss National Bank | 161,200 | $2.56M | 0.00% | −5,400−3.2% | Reduced |
| BNP Paribas Arbitrage, SA | 152,184 | $2.42M | 0.00% | +112,246+281.1% | Added |
| Y-Intercept (Hong Kong) Ltd | 149,133 | $2.37M | 0.05% | +38,851+35.2% | Added |
| Harbor Capital Advisors, Inc. | 148,297 | $2.36M | 0.16% | −37,306−20.1% | Reduced |
| North Star Investment Management Corp. | 143,000 | $2.28M | 0.12% | +23,000+19.2% | Added |
| UBS Asset Management Americas Inc | 142,373 | $2.27M | 0.00% | +12,740+9.8% | Added |
| Ironwood Investment Management LLC | 140,567 | $2.24M | 0.77% | −490.0% | Reduced |
| Franklin Resources Inc | 137,907 | $2.19M | 0.00% | +32,760+31.2% | Added |
| Gilder Gagnon Howe & Co LLC | 127,388 | $2.03M | 0.02% | −33,208−20.7% | Reduced |
| Jump Financial, LLC | 126,920 | $2.02M | 0.02% | +1,945+1.6% | Added |
| Dark Forest Capital Management LP | 124,898 | $1.99M | 0.13% | +31,196+33.3% | Added |
| Algert Global LLC | 122,980 | $1.96M | 0.02% | −247,928−66.8% | Reduced |
| Squarepoint Ops LLC | 122,167 | $1.94M | 0.00% | −15,901−11.5% | Reduced |
| Credit Agricole S A | 121,442 | $1.93M | 0.00% | +121,442 | New |
| Principal Financial Group Inc | 115,835 | $1.84M | 0.00% | +11,580+11.1% | Added |
| Rhumbline Advisers | 111,254 | $1.77M | 0.00% | −6,350−5.4% | Reduced |
| California State Teachers Retirement System | 110,752 | $1.76M | 0.00% | +30,535+38.1% | Added |
| HSBC Holdings PLC | 112,498 | $1.71M | 0.00% | +59,949+114.1% | Added |
| Crown Advisors Management, Inc. | 100,000 | $1.59M | 0.87% | 00.0% | Unchanged |
| Round Rock Advisors, LLC | 92,505 | $1.47M | 0.19% | 00.0% | Unchanged |
| Wells Fargo & Company | 90,542 | $1.44M | 0.00% | +45,821+102.5% | Added |
| State of Wisconsin Investment Board | 88,915 | $1.41M | 0.00% | +6,527+7.9% | Added |
| Conestoga Capital Advisors, LLC | 88,825 | $1.41M | 0.03% | +88,825 | New |
| Deutsche Bank AG | 87,057 | $1.39M | 0.00% | +9,679+12.5% | Added |
| Trexquant Investment LP | 86,385 | $1.37M | 0.01% | +86,385 | New |
| Price T Rowe Associates Inc | 84,147 | $1.34M | 0.00% | +9,381+12.5% | Added |
| VARCOV Co. | 80,523 | $1.28M | 0.49% | +80,523 | New |
| Pinnacle Associates Ltd | 78,133 | $1.24M | 0.01% | +1,617+2.1% | Added |
| Alliancebernstein L.P. | 83,222 | $1.21M | 0.00% | +13,600+19.5% | Added |
| Brevan Howard Capital Management LP | 72,659 | $1.16M | 0.02% | +62,607+622.8% | Added |
| EntryPoint Capital, LLC | 71,868 | $1.14M | 0.28% | +31,870+79.7% | Added |