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 |
|---|---|---|---|---|---|
| Manufacturers Life Insurance Company, The | 24,929 | $297.2K | 0.00% | −2,277−8.4% | Reduced |
| State of Wyoming | 25,225 | $300.7K | 0.03% | −9,671−27.7% | Reduced |
| CoreCommodity Management, LLC | 26,414 | $314.9K | 0.07% | −44,523−62.8% | Reduced |
| GWN Securities Inc. | 26,697 | $318.2K | 0.06% | +9,004+50.9% | Added |
| Diversified Trust Co | 27,447 | $327.2K | 0.01% | 00.0% | Unchanged |
| EntryPoint Capital, LLC | 28,038 | $334.2K | 0.13% | +28,038 | New |
| Oppenheimer Asset Management Inc. | 28,140 | $335.4K | 0.00% | −4,055−12.6% | Reduced |
| Pinnacle Wealth Management Advisory Group, LLC | 29,508 | $351.7K | 0.02% | +16,847+133.1% | Added |
| Zacks Investment Management | 31,194 | $371.8K | 0.00% | −6,666−17.6% | Reduced |
| Magnetar Financial LLC | 32,027 | $381.8K | 0.00% | +32,027 | New |
| Susquehanna International Group, LLP | 33,064 | $394.1K | 0.00% | +21,503+186.0% | Added |
| Massar Capital Management, LP | 33,150 | $395.1K | 0.08% | +33,150 | New |
| Savant Capital, LLC | 33,887 | $403.9K | 0.00% | −22−0.1% | Reduced |
| RSM US Wealth Management LLC | 33,970 | $411.7K | 0.01% | −379−1.1% | Reduced |
| Jackson Creek Investment Advisors LLC | 35,141 | $419.0K | 0.12% | −166,121−82.5% | Reduced |
| Janus Henderson Group PLC | 37,000 | $440.7K | 0.00% | 00.0% | Unchanged |
| Shay Capital LLC | 37,541 | $447.5K | 0.07% | +37,541 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 38,141 | $454.6K | 0.00% | +1,657+4.5% | Added |
| Susquehanna Fundamental Investments, LLC | 39,043 | $465.4K | 0.02% | +23,200+146.4% | Added |
| SG Americas Securities, LLC | 39,276 | $468.0K | 0.00% | +10,804+37.9% | Added |
| NorthCrest Asset Manangement, LLC | 39,089 | $492.1K | 0.01% | +250+0.6% | Added |
| Intech Investment Management LLC | 41,732 | $497.4K | 0.00% | −5,825−12.2% | Reduced |
| ARS Investment Partners, LLC | 43,781 | $521.9K | 0.03% | +10,175+30.3% | Added |
| BNP Paribas Arbitrage, SA | 44,895 | $535.1K | 0.00% | +8,406+23.0% | Added |
| MetLife Investment Management | 45,353 | $540.6K | 0.00% | +1,489+3.4% | Added |
| Graham Capital Management, L.P. | 45,768 | $545.6K | 0.02% | +9,044+24.6% | Added |
| Creative Planning | 46,483 | $554.1K | 0.00% | +12,538+36.9% | Added |
| O'Shaughnessy Asset Management, LLC | 46,681 | $556.4K | 0.00% | +30,291+184.8% | Added |
| State Board of Administration of Florida Retirement System | 48,622 | $579.6K | 0.00% | 00.0% | Unchanged |
| Susquehanna Portfolio Strategies, LLC | 49,060 | $584.8K | 0.01% | 00.0% | Unchanged |
| Pacific Ridge Capital Partners, LLC | 50,947 | $607.3K | 0.13% | +2,290+4.7% | Added |
| Boston Partners | 52,536 | $626.2K | 0.00% | −23,101−30.5% | Reduced |
| Penn Capital Management Co Inc | 53,072 | $632.6K | 0.05% | +43+0.1% | Added |
| Fuller & Thaler Asset Management, Inc. | 53,270 | $635.0K | 0.00% | 00.0% | Unchanged |
| Public Employees Retirement System of Ohio | 53,507 | $637.8K | 0.00% | −226−0.4% | Reduced |
| STRS Ohio | 55,600 | $662.8K | 0.00% | −6,000−9.7% | Reduced |
| Squarepoint Ops LLC | 58,656 | $699.2K | 0.00% | +40,851+229.4% | Added |
| Price T Rowe Associates Inc | 61,736 | $736.0K | 0.00% | +3,181+5.4% | Added |
| Man Group plc | 63,327 | $754.9K | 0.00% | +63,327 | New |
| Northeast Financial Group, Inc. | 65,902 | $785.6K | 0.20% | −908−1.4% | Reduced |
| Pinnacle Associates Ltd | 66,640 | $794.3K | 0.01% | +162+0.2% | Added |
| Penbrook Management LLC | 67,250 | $801.6K | 0.55% | −1,335−1.9% | Reduced |
| Boothbay Fund Management, LLC | 69,290 | $825.9K | 0.02% | +4,610+7.1% | Added |
| Deutsche Bank AG | 69,654 | $830.3K | 0.00% | +5,089+7.9% | Added |
| Quantbot Technologies LP | 69,708 | $830.9K | 0.03% | +21,969+46.0% | Added |
| Legal & General Group Plc | 76,905 | $916.7K | 0.00% | +16,803+28.0% | Added |
| California State Teachers Retirement System | 80,829 | $963.5K | 0.00% | +4,980+6.6% | Added |
| Voloridge Investment Management, LLC | 83,245 | $992.3K | 0.00% | +83,245 | New |
| Campbell & CO Investment Adviser LLC | 86,909 | $1.04M | 0.05% | +15,890+22.4% | Added |
| Brevan Howard Capital Management LP | 89,489 | $1.07M | 0.02% | +58,004+184.2% | Added |
| Alliancebernstein L.P. | 92,022 | $1.10M | 0.00% | 00.0% | Unchanged |
| Round Rock Advisors, LLC | 92,114 | $1.10M | 0.17% | +42,564+85.9% | Added |
| State of Wisconsin Investment Board | 93,891 | $1.12M | 0.00% | +6,275+7.2% | Added |
| Rothschild Investment LLC | 101,323 | $1.21M | 0.07% | +380.0% | Added |
| Wells Fargo & Company | 102,735 | $1.22M | 0.00% | +32,819+46.9% | Added |
| Engineers Gate Manager LP | 102,979 | $1.23M | 0.01% | +85,968+505.4% | Added |
| OP Asset Management Ltd | 104,257 | $1.24M | 0.02% | +104,257 | New |
| Franklin Resources Inc | 104,735 | $1.25M | 0.00% | −3,837−3.5% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 105,616 | $1.26M | 0.03% | +105,616 | New |
| Millennium Management LLC | 106,487 | $1.27M | 0.00% | −60,556−36.3% | Reduced |
| Balyasny Asset Management LLC | 109,824 | $1.31M | 0.00% | +109,824 | New |
| Gsa Capital Partners LLP | 114,858 | $1.37M | 0.12% | +114,858 | New |
| Principal Financial Group Inc | 115,745 | $1.38M | 0.00% | +35,769+44.7% | Added |
| Rhumbline Advisers | 123,652 | $1.47M | 0.00% | −20,096−14.0% | Reduced |
| UBS Asset Management Americas Inc | 127,511 | $1.52M | 0.00% | +3,370+2.7% | 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 |
| Barclays PLC | 141,582 | $1.69M | 0.00% | +30,542+27.5% | Added |
| Ironwood Investment Management LLC | 141,898 | $1.69M | 0.71% | −256−0.2% | Reduced |
| Riverwater Partners LLC | 157,876 | $1.88M | 0.73% | +119,051+306.6% | Added |
| Swiss National Bank | 166,600 | $1.99M | 0.00% | +9,600+6.1% | Added |
| Skylands Capital, LLC | 169,700 | $2.02M | 0.27% | −14,300−7.8% | Reduced |
| Gilder Gagnon Howe & Co LLC | 170,273 | $2.03M | 0.02% | +170,273 | New |
| AQR Capital Management LLC | 174,503 | $2.08M | 0.00% | +46,016+35.8% | Added |
| Verition Fund Management LLC | 175,974 | $2.10M | 0.01% | +110,932+170.6% | Added |
| 1492 Capital Management LLC | 177,663 | $2.12M | 0.81% | +6,535+3.8% | Added |
| Invesco Ltd. | 180,336 | $2.15M | 0.00% | +140+0.1% | Added |
| Raymond James Financial Inc | 183,549 | $2.19M | 0.00% | −3,838−2.0% | Reduced |
| Kennedy Capital Management, Inc. | 184,290 | $2.20M | 0.05% | −1,183−0.6% | Reduced |
| Bank of America Corp | 197,714 | $2.36M | 0.00% | +54,322+37.9% | Added |
| D. E. Shaw & Co., Inc. | 202,130 | $2.41M | 0.00% | −75,845−27.3% | Reduced |
| Panoramic Capital, LLC | 202,754 | $2.42M | 1.38% | +32,320+19.0% | Added |
| G2 Investment Partners Management LLC | 210,823 | $2.51M | 0.60% | −74,377−26.1% | Reduced |
| Harbor Capital Advisors, Inc. | 218,649 | $2.61M | 0.20% | −11,776−5.1% | Reduced |
| Tudor Investment Corp Et Al | 224,475 | $2.68M | 0.01% | −282,110−55.7% | Reduced |
| JPMorgan Chase & Co | 230,879 | $2.75M | 0.00% | +7,415+3.3% | Added |
| Fisher Asset Management, LLC | 231,971 | $2.77M | 0.00% | −7,315−3.1% | Reduced |
| Lazard Asset Management LLC | 237,222 | $2.83M | 0.00% | +237,222 | New |
| Jump Financial, LLC | 239,259 | $2.85M | 0.04% | +21,259+9.8% | Added |
| Citadel Advisors LLC | 241,640 | $2.88M | 0.00% | −282,039−53.9% | Reduced |
| First Eagle Investment Management, LLC | 265,321 | $3.16M | 0.01% | −6,800−2.5% | Reduced |
| Bank of New York Mellon Corp | 268,391 | $3.20M | 0.00% | −582,522−68.5% | Reduced |
| UBS Group AG | 288,385 | $3.44M | 0.00% | +35,667+14.1% | Added |
| Jane Street Group, LLC | 324,117 | $3.86M | 0.00% | −97,072−23.0% | Reduced |
| Two Sigma Advisers, LP | 347,691 | $4.14M | 0.01% | +114,200+48.9% | Added |
| Marathon Capital Management | 357,390 | $4.26M | 0.92% | −30,960−8.0% | Reduced |
| Calamos Advisors LLC | 357,603 | $4.26M | 0.02% | +18,511+5.5% | Added |
| SEI Investments Co | 377,829 | $4.50M | 0.00% | +316,226+513.3% | Added |
| Paragon Associates & Paragon Associates II Joint Venture | 400,000 | $4.77M | 9.85% | −50,000−11.1% | Reduced |
| Jacobs Levy Equity Management, Inc | 477,318 | $5.69M | 0.02% | −15,304−3.1% | Reduced |