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 |
|---|---|---|---|---|---|
| Covestor Ltd | 29 | $0 | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 9 | $130 | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 11 | $159 | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 24 | $348 | 0.00% | +24 | New |
| Rachor Investment Advisory Services, LLC | 35 | $508 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 40 | $580 | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 48 | $696 | 0.00% | +48 | New |
| Jones Financial Companies LLLP | 52 | $760 | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 62 | $898 | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 69 | $1.00K | 0.00% | +69 | New |
| Toth Financial Advisory Corp | 100 | $1.45K | 0.00% | +100 | New |
| IFP Advisors, Inc | 108 | $1.56K | 0.00% | −33−23.4% | Reduced |
| Basecamp Wealth Advisors LLC | 121 | $1.75K | 0.00% | +42+53.2% | Added |
| Smartleaf Asset Management LLC | 131 | $1.86K | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 130 | $1.88K | 0.00% | −4,045−96.9% | Reduced |
| Essential Partners LLC | 158 | $2.29K | 0.00% | 00.0% | Unchanged |
| Bayban | 159 | $2.30K | 0.00% | +159 | New |
| Valued Wealth Advisors LLC | 172 | $2.49K | 0.00% | +172 | New |
| Quarry LP | 181 | $2.62K | 0.00% | −1,439−88.8% | Reduced |
| Root Financial Partners, LLC | 230 | $3.33K | 0.00% | +230 | New |
| Simplex Trading, LLC | 275 | $3.98K | 0.00% | −8,354−96.8% | Reduced |
| JPL Wealth Management, LLC | 286 | $4.14K | 0.00% | +286 | New |
| Cedar Mountain Advisors, LLC | 304 | $4.41K | 0.00% | +304 | New |
| Allworth Financial LP | 318 | $4.61K | 0.00% | +288+960.0% | Added |
| US Bancorp | 326 | $4.72K | 0.00% | +46+16.4% | Added |
| United Financial Planning Group LLC | 342 | $4.96K | 0.00% | +342 | New |
| Optiver Holding B.V. | 366 | $5.30K | 0.00% | −272−42.6% | Reduced |
| SJS Investment Consulting Inc. | 380 | $5.51K | 0.00% | +378+18,900.0% | Added |
| WPG Advisers, LLC | 553 | $8.01K | 0.01% | +419+312.7% | Added |
| Pinnacle Wealth Planning Services, Inc. | 565 | $8.19K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 604 | $8.75K | 0.00% | −124−17.0% | Reduced |
| Acumen Wealth Advisors, LLC | 641 | $9.29K | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 715 | $10.4K | 0.00% | +685+2,283.3% | Added |
| Group One Trading, L.P. | 993 | $14.4K | 0.00% | −2,491−71.5% | Reduced |
| Caitong International Asset Management Co., Ltd | 1,080 | $15.6K | 0.00% | −365−25.3% | Reduced |
| Zions Bancorporation, National Association | 1,169 | $16.9K | 0.00% | −28−2.3% | Reduced |
| USA Financial Portformulas Corp | 1,459 | $21.1K | 0.00% | +1,459 | New |
| Quadrant Capital Group LLC | 1,531 | $22.2K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 1,605 | $23.3K | 0.00% | +77+5.0% | Added |
| Farther Finance Advisors, LLC | 1,805 | $25.9K | 0.00% | +319+21.5% | Added |
| Blue Bell Private Wealth Management, LLC | 2,139 | $31.0K | 0.00% | −119−5.3% | Reduced |
| Royal Bank of Canada | 2,404 | $35.0K | 0.00% | −2,200−47.8% | Reduced |
| Sterling Capital Management LLC | 2,719 | $39.4K | 0.00% | −2,012−42.5% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 2,728 | $39.5K | 0.00% | +1,728+172.8% | Added |
| Wealth Enhancement Advisory Services, LLC | 43,092 | $54.5K | 0.00% | +40,012+1,299.1% | Added |
| Federated Hermes, Inc. | 4,749 | $68.8K | 0.00% | +205+4.5% | Added |
| Fifth Third Bancorp | 5,051 | $73.2K | 0.00% | +5,051 | New |
| Nisa Investment Advisors, LLC | 5,190 | $75.2K | 0.00% | +37+0.7% | Added |
| Ameritas Investment Partners, Inc. | 6,561 | $95.1K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 6,988 | $101.3K | 0.00% | +3,248+86.8% | Added |
| Rockefeller Capital Management L.P. | 7,114 | $103.1K | 0.00% | +5,686+398.2% | Added |
| CWM, LLC | 7,412 | $107.4K | 0.00% | +2,495+50.7% | Added |
| GAMMA Investing LLC | 8,145 | $118.0K | 0.01% | +117+1.5% | Added |
| Advisor Group Holdings, Inc. | 8,375 | $121.4K | 0.00% | −993−10.6% | Reduced |
| Great West Life Assurance Co | 9,596 | $140.0K | 0.00% | 00.0% | Unchanged |
| Cresset Asset Management, LLC | 10,000 | $144.9K | 0.00% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 10,052 | $145.7K | 0.00% | −79,437−88.8% | Reduced |
| Ritholtz Wealth Management | 10,089 | $146.2K | 0.00% | +21+0.2% | Added |
| Polymer Capital Management (US) LLC | 10,289 | $149.1K | 0.02% | +10,289 | New |
| JustInvest LLC | 10,307 | $149.3K | 0.00% | +187+1.8% | Added |
| SRS Capital Advisors, Inc. | 10,350 | $150.0K | 0.00% | 00.0% | Unchanged |
| Entropy Technologies, LP | 10,436 | $151.2K | 0.01% | +10,436 | New |
| Aviva PLC | 10,640 | $154.2K | 0.00% | +10,640 | New |
| GWM Advisors LLC | 11,152 | $161.6K | 0.00% | 00.0% | Unchanged |
| Legato Capital Management LLC | 11,243 | $162.9K | 0.01% | 00.0% | Unchanged |
| Mirabella Financial Services LLP | 11,446 | $165.9K | 0.02% | +975+9.3% | Added |
| ProShare Advisors LLC | 11,899 | $172.4K | 0.00% | −3,071−20.5% | Reduced |
| M&T Bank Corp | 12,149 | $176.0K | 0.00% | +97+0.8% | Added |
| XML Financial, LLC | 12,485 | $180.9K | 0.01% | +12,485 | New |
| Toroso Investments, LLC | 13,129 | $190.2K | 0.00% | −456−3.4% | Reduced |
| Envestnet Asset Management Inc | 13,727 | $198.9K | 0.00% | +1,142+9.1% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 13,851 | $200.7K | 0.00% | +13,851 | New |
| MQS Management LLC | 13,938 | $202.0K | 0.14% | +1,967+16.4% | Added |
| FMR LLC | 14,109 | $204.4K | 0.00% | −4,864−25.6% | Reduced |
| Voya Investment Management LLC | 14,219 | $206.0K | 0.00% | −782−5.2% | Reduced |
| Stifel Financial Corp | 14,855 | $215.3K | 0.00% | +434+3.0% | Added |
| The PNC Financial Services Group, Inc. | 15,199 | $220.2K | 0.00% | −2,045−11.9% | Reduced |
| Magnetar Financial LLC | 16,993 | $246.2K | 0.00% | −15,034−46.9% | Reduced |
| Public Employees Retirement Association of Colorado | 17,237 | $250.0K | 0.00% | 00.0% | Unchanged |
| O'Shaughnessy Asset Management, LLC | 17,564 | $254.5K | 0.00% | −29,117−62.4% | Reduced |
| Sentinus, LLC | 17,715 | $256.7K | 0.02% | −120,785−87.2% | Reduced |
| State of Alaska, Department of Revenue | 17,991 | $259.0K | 0.00% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 18,000 | $260.8K | 0.00% | 00.0% | Unchanged |
| Mariner, LLC | 18,015 | $261.0K | 0.00% | +7,351+68.9% | Added |
| Ethic Inc. | 18,728 | $271.4K | 0.00% | +4,920+35.6% | Added |
| Vanguard Investments Australia, Ltd. | 19,050 | $276.0K | 0.00% | +19,050 | New |
| Pictet Asset Management Holding SA | 19,825 | $287.3K | 0.00% | +4,133+26.3% | Added |
| New York State Common Retirement Fund | 20,189 | $292.5K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 20,304 | $294.2K | 0.00% | 00.0% | Unchanged |
| Cetera Investment Advisers | 22,354 | $323.9K | 0.00% | +1,357+6.5% | Added |
| Barclays PLC | 23,184 | $335.9K | 0.00% | −118,398−83.6% | Reduced |
| Arizona State Retirement System | 23,208 | $336.3K | 0.00% | −137−0.6% | Reduced |
| Boothbay Fund Management, LLC | 23,477 | $340.2K | 0.01% | −45,813−66.1% | Reduced |
| Bleakley Financial Group, LLC | 24,360 | $353.0K | 0.01% | −253−1.0% | Reduced |
| Zacks Investment Management | 24,528 | $355.4K | 0.00% | −6,666−21.4% | Reduced |
| Shay Capital LLC | 25,000 | $362.3K | 0.05% | −12,541−33.4% | Reduced |
| Oppenheimer Asset Management Inc. | 25,777 | $373.5K | 0.00% | −2,363−8.4% | Reduced |
| Pinnacle Wealth Management Advisory Group, LLC | 26,295 | $381.0K | 0.03% | −3,213−10.9% | Reduced |
| Quantinno Capital Management LP | 26,527 | $384.4K | 0.00% | +4,880+22.5% | Added |
| Fox Run Management, L.L.C. | 27,804 | $395.7K | 0.07% | +27,804 | New |