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, Q4 2025
Institutional positions in NPK International Inc. as of Dec 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
- 241
- +36 vs. Q3 2025
- Shares held
- 75.2M
- +1.45M (+2.0%) vs. Q3 2025
- Total value
- $896.1M
- +$62.2M (+7.5%) vs. Q3 2025
- New holders
- 53
- 86 more added
- Sold out
- 17
- 80 more reduced
3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding NPK International Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 6,919,616 | $82.5M | 0.00% | +454,407+7.0% | Added |
| Ameriprise Financial Inc | 5,165,210 | $61.6M | 0.01% | −82,427−1.6% | Reduced |
| Vanguard Group Inc | 4,706,012 | $56.1M | 0.00% | −44,251−0.9% | Reduced |
| Dimensional Fund Advisors LP | 4,466,550 | $53.2M | 0.01% | −330,908−6.9% | Reduced |
| American Century Companies Inc | 3,071,640 | $36.6M | 0.02% | +100,574+3.4% | Added |
| Wasatch Advisors Inc | 2,215,905 | $26.4M | 0.16% | −65,959−2.9% | Reduced |
| Royce & Associates LP | 2,185,610 | $26.1M | 0.26% | −256,670−10.5% | Reduced |
| Geode Capital Management, LLC | 1,977,755 | $23.6M | 0.00% | −344,079−14.8% | Reduced |
| State Street Corp | 1,977,000 | $23.6M | 0.00% | −54,279−2.7% | Reduced |
| Prudential Financial Inc | 1,918,912 | $22.9M | 0.03% | +91,367+5.0% | Added |
| Russell Investments Group, Ltd. | 1,880,927 | $22.4M | 0.02% | −52,599−2.7% | Reduced |
| Punch & Associates Investment Management, Inc. | 1,852,804 | $22.1M | 1.29% | −41,922−2.2% | Reduced |
| Morgan Stanley | 1,693,062 | $20.2M | 0.00% | +50,157+3.1% | Added |
| Thrivent Financial for Lutherans | 1,587,729 | $18.9M | 0.03% | +1,587,729 | New |
| Loomis Sayles & Co L P | 1,287,030 | $15.3M | 0.02% | −47,199−3.5% | Reduced |
| Charles Schwab Investment Management Inc | 1,163,775 | $13.9M | 0.00% | +97,392+9.1% | Added |
| Nuveen, LLC | 1,118,057 | $13.3M | 0.00% | +597,114+114.6% | Added |
| Arrowstreet Capital, Limited Partnership | 1,052,242 | $12.5M | 0.01% | +168,671+19.1% | Added |
| Pennant Select, LLC | 1,014,221 | $12.1M | 6.40% | −48,042−4.5% | Reduced |
| ArrowMark Colorado Holdings LLC | 977,963 | $11.7M | 0.26% | −69,087−6.6% | Reduced |
| Ancora Advisors, LLC | 958,560 | $11.4M | 0.24% | −237,320−19.8% | Reduced |
| Northern Trust Corp | 943,746 | $11.2M | 0.00% | −44,239−4.5% | Reduced |
| Cannell Capital LLC | 940,756 | $11.2M | 7.16% | −513,448−35.3% | Reduced |
| Tieton Capital Management, LLC | 800,562 | $9.54M | 3.26% | −212,420−21.0% | Reduced |
| Algert Global LLC | 785,880 | $9.37M | 0.15% | +785,880 | New |
| Qube Research & Technologies Ltd | 771,446 | $9.20M | 0.01% | +112,914+17.1% | Added |
| Goldman Sachs Group Inc | 702,994 | $8.38M | 0.00% | +204,313+41.0% | Added |
| Silvercrest Asset Management Group LLC | 672,040 | $8.01M | 0.06% | −249,170−27.0% | Reduced |
| Panagora Asset Management Inc | 669,303 | $7.98M | 0.03% | −13,740−2.0% | Reduced |
| First Sabrepoint Capital Management LP | 650,000 | $7.75M | 3.19% | +650,000 | New |
| Bridgeway Capital Management, LLC | 625,623 | $7.46M | 0.16% | −64,192−9.3% | Reduced |
| Granahan Investment Management Inc | 580,447 | $6.92M | 0.30% | +80,507+16.1% | Added |
| Roubaix Capital, LLC | 575,348 | $6.86M | 2.92% | −167,349−22.5% | Reduced |
| Uniplan Investment Counsel, Inc. | 561,109 | $6.69M | 0.67% | −1,536−0.3% | Reduced |
| Rice Hall James & Associates, LLC | 549,721 | $6.55M | 0.36% | −23,952−4.2% | Reduced |
| Point72 Asset Management, L.P. | 537,031 | $6.40M | 0.01% | +523,235+3,792.7% | Added |
| Renaissance Technologies LLC | 519,308 | $6.19M | 0.01% | −49,033−8.6% | Reduced |
| Oberweis Asset Management Inc | 508,750 | $6.06M | 0.22% | +12,250+2.5% | Added |
| Wellington Management Group LLP | 506,597 | $6.04M | 0.00% | −155,100−23.4% | Reduced |
| Two Sigma Investments, LP | 505,158 | $6.02M | 0.01% | +71,458+16.5% | Added |
| Allianz Asset Management GmbH | 501,300 | $5.98M | 0.01% | +501,300 | New |
| Jacobs Levy Equity Management, Inc | 477,318 | $5.69M | 0.02% | −15,304−3.1% | Reduced |
| Paragon Associates & Paragon Associates II Joint Venture | 400,000 | $4.77M | 9.85% | −50,000−11.1% | Reduced |
| SEI Investments Co | 377,829 | $4.50M | 0.00% | +316,226+513.3% | Added |
| Calamos Advisors LLC | 357,603 | $4.26M | 0.02% | +18,511+5.5% | Added |
| Marathon Capital Management | 357,390 | $4.26M | 0.92% | −30,960−8.0% | Reduced |
| Two Sigma Advisers, LP | 347,691 | $4.14M | 0.01% | +114,200+48.9% | Added |
| Jane Street Group, LLC | 324,117 | $3.86M | 0.00% | −97,072−23.0% | Reduced |
| UBS Group AG | 288,385 | $3.44M | 0.00% | +35,667+14.1% | Added |
| Bank of New York Mellon Corp | 268,391 | $3.20M | 0.00% | −582,522−68.5% | Reduced |
| First Eagle Investment Management, LLC | 265,321 | $3.16M | 0.01% | −6,800−2.5% | Reduced |
| Citadel Advisors LLC | 241,640 | $2.88M | 0.00% | −282,039−53.9% | Reduced |
| Jump Financial, LLC | 239,259 | $2.85M | 0.04% | +21,259+9.8% | Added |
| Lazard Asset Management LLC | 237,222 | $2.83M | 0.00% | +237,222 | New |
| Fisher Asset Management, LLC | 231,971 | $2.77M | 0.00% | −7,315−3.1% | Reduced |
| JPMorgan Chase & Co | 230,879 | $2.75M | 0.00% | +7,415+3.3% | Added |
| Tudor Investment Corp Et Al | 224,475 | $2.68M | 0.01% | −282,110−55.7% | Reduced |
| Harbor Capital Advisors, Inc. | 218,649 | $2.61M | 0.20% | −11,776−5.1% | Reduced |
| G2 Investment Partners Management LLC | 210,823 | $2.51M | 0.60% | −74,377−26.1% | Reduced |
| Panoramic Capital, LLC | 202,754 | $2.42M | 1.38% | +32,320+19.0% | Added |
| D. E. Shaw & Co., Inc. | 202,130 | $2.41M | 0.00% | −75,845−27.3% | Reduced |
| Bank of America Corp | 197,714 | $2.36M | 0.00% | +54,322+37.9% | Added |
| Kennedy Capital Management, Inc. | 184,290 | $2.20M | 0.05% | −1,183−0.6% | Reduced |
| Raymond James Financial Inc | 183,549 | $2.19M | 0.00% | −3,838−2.0% | Reduced |
| Invesco Ltd. | 180,336 | $2.15M | 0.00% | +140+0.1% | Added |
| 1492 Capital Management LLC | 177,663 | $2.12M | 0.81% | +6,535+3.8% | Added |
| Verition Fund Management LLC | 175,974 | $2.10M | 0.01% | +110,932+170.6% | Added |
| AQR Capital Management LLC | 174,503 | $2.08M | 0.00% | +46,016+35.8% | Added |
| Gilder Gagnon Howe & Co LLC | 170,273 | $2.03M | 0.02% | +170,273 | New |
| Skylands Capital, LLC | 169,700 | $2.02M | 0.27% | −14,300−7.8% | Reduced |
| Swiss National Bank | 166,600 | $1.99M | 0.00% | +9,600+6.1% | Added |
| Riverwater Partners LLC | 157,876 | $1.88M | 0.73% | +119,051+306.6% | Added |
| Ironwood Investment Management LLC | 141,898 | $1.69M | 0.71% | −256−0.2% | Reduced |
| Barclays PLC | 141,582 | $1.69M | 0.00% | +30,542+27.5% | Added |
| Perritt Capital Management Inc | 138,500 | $1.65M | 2.76% | 00.0% | Unchanged |
| Sentinus, LLC | 138,500 | $1.65M | 0.16% | +138,500 | New |
| UBS Asset Management Americas Inc | 127,511 | $1.52M | 0.00% | +3,370+2.7% | Added |
| Rhumbline Advisers | 123,652 | $1.47M | 0.00% | −20,096−14.0% | Reduced |
| Principal Financial Group Inc | 115,745 | $1.38M | 0.00% | +35,769+44.7% | Added |
| Gsa Capital Partners LLP | 114,858 | $1.37M | 0.12% | +114,858 | New |
| Balyasny Asset Management LLC | 109,824 | $1.31M | 0.00% | +109,824 | New |
| Millennium Management LLC | 106,487 | $1.27M | 0.00% | −60,556−36.3% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 105,616 | $1.26M | 0.03% | +105,616 | New |
| Franklin Resources Inc | 104,735 | $1.25M | 0.00% | −3,837−3.5% | Reduced |
| OP Asset Management Ltd | 104,257 | $1.24M | 0.01% | +104,257 | New |
| Engineers Gate Manager LP | 102,979 | $1.23M | 0.01% | +85,968+505.4% | Added |
| Wells Fargo & Company | 102,735 | $1.22M | 0.00% | +32,819+46.9% | Added |
| Rothschild Investment LLC | 101,323 | $1.21M | 0.07% | +380.0% | Added |
| State of Wisconsin Investment Board | 93,891 | $1.12M | 0.00% | +6,275+7.2% | Added |
| Round Rock Advisors, LLC | 92,114 | $1.10M | 0.17% | +42,564+85.9% | Added |
| Alliancebernstein L.P. | 92,022 | $1.10M | 0.00% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 89,489 | $1.07M | 0.02% | +58,004+184.2% | Added |
| Campbell & CO Investment Adviser LLC | 86,909 | $1.04M | 0.05% | +15,890+22.4% | Added |
| Voloridge Investment Management, LLC | 83,245 | $992.3K | 0.00% | +83,245 | New |
| California State Teachers Retirement System | 80,829 | $963.5K | 0.00% | +4,980+6.6% | Added |
| Legal & General Group Plc | 76,905 | $916.7K | 0.00% | +16,803+28.0% | Added |
| Quantbot Technologies LP | 69,708 | $830.9K | 0.03% | +21,969+46.0% | Added |
| Deutsche Bank AG | 69,654 | $830.3K | 0.00% | +5,089+7.9% | Added |
| Boothbay Fund Management, LLC | 69,290 | $825.9K | 0.02% | +4,610+7.1% | Added |
| Penbrook Management LLC | 67,250 | $801.6K | 0.55% | −1,335−1.9% | Reduced |