NPK InternationalNPKI
13F holders, Q1 2026 (March 31)246holders +5
33new positions
26sold out
7famous investors
$14.48avg. 13F price*
At the end of Q1 2026, 246 institutions reported holding NPK International Inc. (NPKI) in their 13F filings, up 5 from Q4 2025. 33 opened new positions and 26 sold out. The largest holders were BlackRock, Inc. ($104.4M), Ameriprise Financial Inc. ($81.5M) and Dimensional Fund Advisors LP ($57.7M). 7 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Steve Cohen (0.0% of Point72 Asset Management's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- NPK International Inc.
- CUSIP
- 651718504
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 33 | $46.6M |
| Exits | 26 | $25.3M |
All 13F filers, Q4 2025 → Q1 2026: 9,266,812 shares bought and 8,147,563 shares sold, net +1,119,249 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 246 holders
| BlackRock, Inc. | 0.00% | Add +4.1% | 7,202,705 | $104.4M |
| Ameriprise Financial Inc. | 0.02% | Add +8.9% | 5,623,552 | $81.5M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -10.8% | 3,983,658 | $57.7M |
| Vanguard Capital Management LLC | 0.00% | — | 3,424,942 | $49.6M |
| American Century Companies Inc. | 0.02% | Reduce -0.9% | 3,043,763 | $44.1M |
| Wasatch Advisors LP | 0.28% | Add +30.8% | 2,899,021 | $42.0M |
| Geode Capital Management, LLC | 0.00% | Add +13.5% | 2,244,164 | $32.5M |
| Royce & Associates LP | 0.30% | Reduce -5.2% | 2,071,010 | $30.0M |
| State Street Corp. | 0.00% | Reduce -1.1% | 1,955,319 | $28.3M |
| Morgan Stanley | 0.00% | Add +7.7% | 1,823,060 | $26.4M |
| Punch & Associates Investment Management, Inc. | 1.54% | Reduce -1.8% | 1,818,790 | $26.4M |
| Russell Investments Group, Ltd. | 0.03% | Reduce -8.2% | 1,726,243 | $25.0M |
| Prudential Financial Inc. | 0.03% | Reduce -12.1% | 1,686,629 | $24.4M |
| Thrivent Financial for Lutherans | 0.05% | Add +4.9% | 1,665,623 | $24.1M |
| Arrowstreet Capital, Limited Partnership | 0.01% | Add +46.3% | 1,539,088 | $22.3M |
| Loomis Sayles & Co. L P | 0.02% | Reduce -8.5% | 1,177,993 | $17.1M |
| Allianz Asset Management GmbH | 0.02% | Add +130.7% | 1,156,530 | $16.8M |
| Qube Research & Technologies Ltd | 0.02% | Add +47.9% | 1,140,585 | $16.5M |
| Electron Capital Partners, LLC | 0.75% | New | 1,099,943 | $15.9M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -5.9% | 1,095,601 | $15.9M |
| Nuveen, LLC | 0.00% | Reduce -4.0% | 1,073,065 | $15.5M |
| Two Sigma Investments, LP | 0.01% | Add +110.0% | 1,060,904 | $15.4M |
| Goldman Sachs Group Inc. | 0.00% | Add +43.9% | 1,011,689 | $14.7M |
| Northern Trust Corp. | 0.00% | Add +2.6% | 968,501 | $14.0M |
| Vanguard Portfolio Management LLC | 0.00% | — | 861,467 | $12.5M |
| Sei Investments Co. | 0.01% | Add +121.6% | 837,157 | $12.1M |
| Tieton Capital Management, LLC | 4.06% | Add +4.4% | 835,920 | $12.1M |
| Axiom Investors LLC | 0.12% | New | 737,325 | $10.7M |
| Ancora Advisors LLC | 0.22% | Reduce -24.1% | 727,350 | $10.5M |
| Panagora Asset Management Inc. | 0.04% | Add +1.2% | 677,552 | $9.8M |
| Cannell Capital LLC | 6.16% | Reduce -30.4% | 654,689 | $9.5M |
| Silvercrest Asset Management Group LLC | 0.06% | Reduce -9.9% | 605,269 | $8.8M |
| ArrowMark Colorado Holdings LLC | 0.22% | Reduce -42.1% | 566,395 | $8.2M |
| First Sabrepoint Capital Management LP | 3.26% | Reduce -15.4% | 550,000 | $8.0M |
| Rice Hall James & Associates, LLC | 0.44% | Reduce -0.8% | 545,077 | $7.9M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 536,003 | $7.8M |
| Uniplan Investment Counsel, Inc. | 0.81% | Reduce -6.0% | 527,684 | $7.6M |
| Oberweis Asset Management Inc./ | 0.22% | Add +1.9% | 518,150 | $7.5M |
| Asset Management One Co., Ltd. | 0.02% | New | 505,520 | $7.3M |
| Granahan Investment Management, LLC | 0.28% | Reduce -30.8% | 401,658 | $5.8M |
| Jacobs Levy Equity Management, Inc. | 0.02% | Reduce -20.1% | 381,438 | $5.5M |
| Paragon Associates & Paragon Associates II Joint Venture | 7.38% | Reduce -6.3% | 375,000 | $5.4M |
| Algert Global LLC | 0.08% | Reduce -52.8% | 370,908 | $5.4M |
| Renaissance Technologies | 0.01% | Reduce -30.3% | 362,167 | $5.2M |
| Calamos Advisors LLC | 0.03% | Reduce -1.1% | 353,627 | $5.1M |
| Marathon Capital Management | 1.13% | Reduce -3.2% | 346,110 | $5.0M |
| Jane Street Group, LLC | 0.01% | Add +4.2% | 337,699 | $4.9M |
| OP Asset Management Ltd | 0.05% | Add +219.8% | 333,418 | $4.8M |
| UBS Group AG | 0.00% | Add +8.4% | 312,551 | $4.5M |
| Point72 Asset Management | 0.01% | Reduce -43.4% | 304,183 | $4.4M |
| First Eagle Investment Management, LLC | 0.01% | Add +3.2% | 273,821 | $4.0M |
| Roubaix Capital, LLC | 1.83% | Reduce -53.1% | 269,935 | $3.9M |
| Invesco Ltd. | 0.00% | Add +48.9% | 268,451 | $3.9M |
| Bank of New York Mellon Corp | 0.00% | Reduce -0.8% | 266,284 | $3.9M |
| Wellington Management Group LLP | 0.00% | Reduce -47.8% | 264,617 | $3.8M |
| AQR Capital Management | 0.00% | Add +38.3% | 241,315 | $3.5M |
| Bank of America Corp. | 0.00% | Add +21.4% | 240,022 | $3.5M |
| Fisher Asset Management | 0.00% | Add +0.5% | 233,017 | $3.4M |
| JPMorgan Chase & Co. | 0.00% | Reduce -9.9% | 207,952 | $3.0M |
| Kennedy Capital Management LLC | 0.06% | Add +1.8% | 187,651 | $2.7M |
| Harbor Capital Advisors, Inc. | 0.22% | Reduce -15.1% | 185,603 | $2.7M |
| Raymond James Financial Inc. | 0.00% | Reduce -1.9% | 180,137 | $2.6M |
| 1492 Capital Management LLC | 0.97% | Reduce -0.9% | 176,003 | $2.6M |
| Swiss National Bank | 0.00% | No change | 166,600 | $2.4M |
| Skylands Capital, LLC | 0.31% | Reduce -3.2% | 164,300 | $2.4M |
| Gilder Gagnon Howe & Co. LLC | 0.03% | Reduce -5.7% | 160,596 | $2.3M |
| Millennium Management | 0.00% | Add +49.2% | 158,892 | $2.3M |
| Lazard Asset Management LLC | 0.00% | Reduce -33.2% | 158,527 | $2.3M |
| Riverwater Partners LLC | 0.75% | Reduce -1.7% | 155,150 | $2.2M |
| Campbell & CO Investment Adviser LLC | 0.12% | Add +65.7% | 144,002 | $2.1M |
| Ironwood Investment Management LLC | 0.85% | Reduce -0.9% | 140,616 | $2.0M |
| Engineers Gate Manager LP | 0.03% | Add +34.9% | 138,946 | $2.0M |
| Squarepoint Ops LLC | 0.00% | Add +135.4% | 138,068 | $2.0M |
| ExodusPoint Capital Management, LP | 0.02% | New | 135,822 | $2.0M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +1.7% | 129,633 | $1.9M |
| Panoramic Capital, LLC | 1.30% | Reduce -37.0% | 127,754 | $1.9M |
| Jump Financial, LLC | 0.03% | Reduce -47.8% | 124,975 | $1.8M |
| Man Group plc | 0.00% | Add +97.0% | 124,779 | $1.8M |
| North Star Investment Management Corp. | 0.11% | New | 120,000 | $1.7M |
| Rhumbline Advisers | 0.00% | Reduce -4.9% | 117,604 | $1.7M |
| Y-Intercept (Hong Kong) Ltd | 0.03% | Add +4.4% | 110,282 | $1.6M |
| Franklin Resources Inc. | 0.00% | Add +0.4% | 105,147 | $1.5M |
| Principal Financial Group Inc. | 0.00% | Reduce -9.9% | 104,255 | $1.5M |
| Crown Advisors Management, Inc. | 0.96% | New | 100,000 | $1.4M |
| D. E. Shaw & Co. | 0.00% | Reduce -52.0% | 97,042 | $1.4M |
| SG Americas Securities, LLC | 0.00% | Add +143.3% | 95,553 | $1.4M |
| Dark Forest Capital Management LP | 0.12% | New | 93,702 | $1.4M |
| Round Rock Advisors LLC | 0.21% | Add +0.4% | 92,505 | $1.3M |
| Gsa Capital Partners LLP | 0.08% | Reduce -26.9% | 83,974 | $1.2M |
| State of Wisconsin Investment Board | 0.00% | Reduce -12.3% | 82,388 | $1.2M |
| California State Teachers Retirement System | 0.00% | Reduce -0.8% | 80,217 | $1.2M |
| Deutsche Bank AG | 0.00% | Add +11.1% | 77,378 | $1.1M |
| Citigroup Inc. | 0.00% | Add +3205.5% | 77,283 | $1.1M |
| Pinnacle Associates Ltd. | 0.01% | Add +14.8% | 76,516 | $1.1M |
| T. Rowe Price Associates Inc. | 0.00% | Add +21.1% | 74,766 | $1.1M |
| Quantbot Technologies LP | 0.04% | Add +6.9% | 74,527 | $1.1M |
| Rothschild Investment LLC | 0.05% | Reduce -31.9% | 69,027 | $1.0M |
| Penbrook Management LLC | 0.74% | No change | 67,250 | $974K |
| Sigma Planning Corp | 0.02% | New | 60,000 | $869K |
| Citadel Advisors | 0.00% | Reduce -75.3% | 59,689 | $865K |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 58,475 | $847K |
| Walleye Capital LLC | 0.01% | New | 58,425 | $847K |
| Susquehanna Fundamental Investments, LLC | 0.03% | Add +48.7% | 58,048 | $841K |
| Alliancebernstein L.P. | 0.00% | Reduce -24.3% | 69,622 | $830K |
| Marshall Wace, LLP | 0.00% | New | 54,117 | $784K |
| Legal & General Group Plc | 0.00% | Reduce -30.1% | 53,793 | $779K |
| HSBC Holdings PLC | 0.00% | Add +272.2% | 52,549 | $764K |
| Creative Planning | 0.00% | Add +12.2% | 52,158 | $756K |
| Susquehanna International Group, LLP | 0.00% | Add +55.7% | 51,477 | $746K |
| STRS Ohio | 0.00% | Reduce -7.5% | 51,400 | $745K |
| Pacific Ridge Capital Partners, LLC | 0.16% | Add +0.0% | 50,957 | $738K |
| Bridgeway Capital Management, LLC | 0.01% | Reduce -91.9% | 50,740 | $735K |
| Empowered Funds, LLC | 0.00% | New | 49,740 | $721K |
| Susquehanna Portfolio Strategies, LLC | 0.01% | No change | 49,060 | $711K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 48,622 | $705K |
| Penn Capital Management Company, LLC | 0.05% | Reduce -9.8% | 47,883 | $694K |
| Graham Capital Management, L.P. | 0.03% | Add +3.1% | 47,195 | $684K |
| Boston Partners | 0.00% | Reduce -10.3% | 47,111 | $683K |
| State of Wyoming | 0.08% | Add +85.2% | 46,713 | $677K |
| Public Employees Retirement System of Ohio | 0.00% | Reduce -13.5% | 46,293 | $671K |
| Fuller & Thaler Asset Management, Inc. | 0.00% | Reduce -14.2% | 45,685 | $662K |
| Vanguard Global Advisers, LLC | 0.00% | — | 44,903 | $651K |
| Wells Fargo & Company | 0.00% | Reduce -56.5% | 44,721 | $648K |
| MetLife Investment Management, LLC | 0.00% | Reduce -8.3% | 41,612 | $603K |
| ARS Investment Partners, LLC | 0.03% | Reduce -5.9% | 41,209 | $597K |
| Canada Pension Plan Investment Board | 0.00% | Add +349.4% | 40,000 | $580K |
| EntryPoint Capital, LLC | 0.17% | Add +42.7% | 39,998 | $580K |
| BNP Paribas Financial Markets | 0.00% | Reduce -11.0% | 39,938 | $579K |
| NorthCrest Asset Manangement, LLC | 0.02% | Add +0.6% | 39,314 | $567K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +0.8% | 38,459 | $557K |
| Vident Advisory, LLC | 0.00% | New | 37,589 | $545K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +50.4% | 37,493 | $543K |
| Janus Henderson Group PLC | 0.00% | No change | 37,000 | $537K |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | New | 36,812 | $533K |
| Savant Capital, LLC | 0.00% | Reduce -0.8% | 33,629 | $487K |
| Massar Capital Management, LP | 0.10% | No change | 33,150 | $480K |
| Choreo, LLC | 0.01% | Reduce -5.0% | 32,271 | $468K |
| HRT Financial LP | 0.00% | New | 32,254 | $467K |
| Diversified Trust Co. | 0.01% | Add +13.1% | 31,038 | $450K |
| Aquatic Capital Management LLC | 0.01% | Add +169.7% | 30,680 | $445K |
| GWN Securities Inc. | 0.09% | Add +14.8% | 30,660 | $444K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +87.1% | 29,654 | $430K |
| Mercer Global Advisors Inc. | 0.00% | Add +20.2% | 29,275 | $424K |
| Ashton Thomas Private Wealth, LLC | 0.01% | Add +59.6% | 27,638 | $400K |
| Intech Investment Management LLC | 0.00% | Reduce -34.1% | 27,501 | $398K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | Add +11.4% | 27,498 | $398K |
| Fox Run Management, L.L.C. | 0.07% | New | 27,804 | $396K |
| Quantinno Capital Management LP | 0.00% | Add +22.5% | 26,527 | $384K |
| Pinnacle Wealth Management Advisory Group, LLC | 0.03% | Reduce -10.9% | 26,295 | $381K |
| Oppenheimer Asset Management Inc. | 0.00% | Reduce -8.4% | 25,777 | $374K |
| Shay Capital LLC | 0.05% | Reduce -33.4% | 25,000 | $362K |
| Zacks Investment Management | 0.00% | Reduce -21.4% | 24,528 | $355K |
| Bleakley Financial Group, LLC | 0.01% | Reduce -1.0% | 24,360 | $353K |
| Boothbay Fund Management, LLC | 0.01% | Reduce -66.1% | 23,477 | $340K |
| Arizona State Retirement System | 0.00% | Reduce -0.6% | 23,208 | $336K |
| Barclays PLC | 0.00% | Reduce -83.6% | 23,184 | $336K |
| Cetera Investment Advisers | 0.00% | Add +6.5% | 22,354 | $324K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 20,304 | $294K |
| New York State Common Retirement Fund | 0.00% | No change | 20,189 | $293K |
| Pictet Asset Management Holding SA | 0.00% | Add +26.3% | 19,825 | $287K |
| Vanguard Investments Australia, Ltd. | 0.00% | — | 19,050 | $276K |
| Ethic Inc. | 0.00% | Add +35.6% | 18,728 | $271K |
| Mariner, LLC | 0.00% | Add +68.9% | 18,015 | $261K |
| KLP Kapitalforvaltning As | 0.00% | No change | 18,000 | $261K |
| State of Alaska, Department of Revenue | 0.00% | No change | 17,991 | $259K |
| Rothschild Wealth LLC | 0.02% | Reduce -87.2% | 17,715 | $257K |
| O'shaughnessy Asset Management, LLC | 0.00% | Reduce -62.4% | 17,564 | $255K |
| Public Employees Retirement Association of Colorado | 0.00% | No change | 17,237 | $250K |
| Magnetar Financial LLC | 0.00% | Reduce -46.9% | 16,993 | $246K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -11.9% | 15,199 | $220K |
| Stifel Financial Corp. | 0.00% | Add +3.0% | 14,855 | $215K |
| Voya Investment Management LLC | 0.00% | Reduce -5.2% | 14,219 | $206K |
| FMR LLC | 0.00% | Reduce -25.6% | 14,109 | $204K |
| MQS Management LLC | 0.14% | Add +16.4% | 13,938 | $202K |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | New | 13,851 | $201K |
| Envestnet Asset Management Inc. | 0.00% | Add +9.1% | 13,727 | $199K |
| Tidal Investments LLC | 0.00% | Reduce -3.4% | 13,129 | $190K |
| XML Financial, LLC | 0.01% | New | 12,485 | $181K |
| M&T Bank Corp | 0.00% | Add +0.8% | 12,149 | $176K |
| ProShare Advisors LLC | 0.00% | Reduce -20.5% | 11,899 | $172K |
| Mirabella Financial Services LLP | 0.02% | Add +9.3% | 11,446 | $166K |
| Legato Capital Management LLC | 0.01% | No change | 11,243 | $163K |
| NewEdge Advisors, LLC | 0.00% | No change | 11,152 | $162K |
| Aviva PLC | 0.00% | New | 10,640 | $154K |
| Entropy Technologies, LP | 0.01% | New | 10,436 | $151K |
| Arax Advisory Partners | 0.00% | No change | 10,350 | $150K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | Add +1.9% | 10,307 | $149K |
| Polymer Capital Management (US) LLC | 0.02% | New | 10,289 | $149K |
| Ritholtz Wealth Management | 0.00% | Add +0.2% | 10,089 | $146K |
| Brevan Howard Capital Management LP | 0.00% | Reduce -88.8% | 10,052 | $146K |
| Cresset Asset Management, LLC | 0.00% | No change | 10,000 | $145K |
| CANADA LIFE ASSURANCE Co | 0.00% | No change | 9,596 | $140K |
| Osaic Holdings, Inc. | 0.00% | Reduce -10.6% | 8,375 | $121K |
| GAMMA Investing LLC | 0.01% | Add +1.5% | 8,145 | $118K |
| Cwm, LLC | 0.00% | Add +50.7% | 7,412 | $107K |
| Rockefeller Capital Management L.P. | 0.00% | Add +398.2% | 7,114 | $103K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +86.8% | 6,988 | $101K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 6,561 | $95K |
| Nisa Investment Advisors, LLC | 0.00% | Add +0.7% | 5,190 | $75K |
| Fifth Third Bancorp | 0.00% | New | 5,051 | $73K |
| Federated Hermes, Inc. | 0.00% | Add +4.5% | 4,749 | $69K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Add +1299.1% | 43,092 | $54K |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | Add +172.8% | 2,728 | $40K |
| Sterling Capital Management LLC | 0.00% | Reduce -42.5% | 2,719 | $39K |
| Royal Bank of Canada | 0.00% | Reduce -47.8% | 2,404 | $35K |
| Blue Bell Private Wealth Management, LLC | 0.00% | Reduce -5.3% | 2,139 | $31K |
| Farther Finance Advisors, LLC | 0.00% | Add +21.5% | 1,805 | $26K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +5.0% | 1,605 | $23K |
| Quadrant Capital Group LLC | 0.00% | No change | 1,531 | $22K |
| USA Financial Formulas | 0.00% | New | 1,459 | $21K |
| Zions Bancorporation, National Association | 0.00% | Reduce -2.3% | 1,169 | $17K |
| Caitong International Asset Management Co., Ltd | 0.00% | Reduce -25.3% | 1,080 | $16K |
| Group One Trading LLC | 0.00% | Reduce -71.5% | 993 | $14K |
| MAI Capital Management | 0.00% | Add +2283.3% | 715 | $10K |
| Acumen Wealth Advisors, LLC | 0.00% | No change | 641 | $9K |
| Larson Financial Group LLC | 0.00% | Reduce -17.0% | 604 | $9K |
| Pinnacle Wealth Planning Services, Inc. | 0.00% | No change | 565 | $8K |
| WPG Advisers, LLC | 0.01% | Add +312.7% | 553 | $8K |
| SJS Investment Consulting Inc. | 0.00% | Add +18900.0% | 380 | $6K |
| Optiver Holding B.V. | 0.00% | Reduce -42.6% | 366 | $5K |
| United Financial Planning Group LLC | 0.00% | New | 342 | $5K |
| US Bancorp \de | 0.00% | Add +16.4% | 326 | $5K |
| Allworth Financial LP | 0.00% | Add +960.0% | 318 | $5K |
| Cedar Mountain Advisors, LLC | 0.00% | New | 304 | $4K |
| JPL Wealth Management, LLC | 0.00% | New | 286 | $4K |
| Simplex Trading, LLC | 0.00% | Reduce -96.8% | 275 | $4K |
| Root Financial Partners, LLC | 0.00% | New | 230 | $3K |
| Quarry LP | 0.00% | Reduce -88.8% | 181 | $3K |
| Valued Wealth Advisors LLC | 0.00% | New | 172 | $2K |
| Bayban | 0.00% | New | 159 | $2K |
| Essential Partners LLC | 0.00% | No change | 158 | $2K |
| Los Angeles Capital Management LLC | 0.00% | Reduce -96.9% | 130 | $2K |
| Smartleaf Asset Management LLC | 0.00% | No change | 131 | $2K |
| Basecamp Wealth Advisors LLC | 0.00% | Add +53.2% | 121 | $2K |
| IFP Advisors, Inc | 0.00% | Reduce -23.4% | 108 | $2K |
| Toth Financial Advisory Corp. | 0.00% | New | 100 | $1K |
| Signaturefd, LLC | 0.00% | New | 69 | $1K |
| Parallel Advisors, LLC | 0.00% | No change | 62 | $898 |
| Jones Financial Companies LLLP | 0.00% | No change | 52 | $760 |
| Northwestern Mutual Wealth Management Co. | 0.00% | New | 48 | $696 |
| SBI Securities Co., Ltd. | 0.00% | No change | 40 | $580 |
| Rachor Investment Advisory Services, LLC | 0.00% | No change | 35 | $508 |
| MassMutual Private Wealth & Trust, FSB | 0.00% | New | 24 | $348 |
| Fortitude Family Office, LLC | 0.00% | No change | 11 | $159 |
| Harbour Investments, Inc. | 0.00% | No change | 9 | $130 |
| Covestor Ltd | 0.00% | No change | 29 | $0 |
"% of holder's portfolio" is NPKI's weight in each manager's 13F, not the share of NPK International Inc. the manager owns.