NPK International (NPKI) Institutional Ownership $8.44 -0.05 (-0.59%) As of 07/18/2025 03:59 PM Eastern Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOwnershipSEC FilingsTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for NPK International (NYSE:NPKI)CurrentInstitutional OwnershipPercentage80.81%Number ofInstitutional Buyers(last 12 months)8TotalInstitutional Inflows(last 12 months)$10.58MNumber ofInstitutional Sellers(last 12 months)0 Get NPKI Insider Trade Alerts Want to know when executives and insiders are buying or selling NPK International stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address Skip Chart & View Institutional Buying and Selling Data NPKI Institutional Buying and Selling by Quarter NPK International Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails7/18/2025Northeast Financial Group Inc.93,810$798K0.2%N/A0.111% 7/17/2025Janney Montgomery Scott LLC126,550$1.08M0.0%N/A0.150% 7/16/2025 Kathmere Capital Management LLC19,203$163K0.0%N/A0.023% 7/15/2025 Public Employees Retirement System of Ohio53,788$458K0.0%N/A0.064% 7/14/2025 GAMMA Investing LLC7,742$66K0.0%N/A0.009% 7/11/2025 Diversified Trust Co24,684$210K0.0%N/A0.029% 7/10/2025 NorthCrest Asset Manangement LLC21,285$188K0.0%N/A0.025% 7/9/2025 Harbor Capital Advisors Inc.894,793$7.62M0.3%N/A1.059% (Data available from 1/1/2016 forward) NPKI Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of NPKI shares? During the previous two years, the following institutional investors and hedge funds held shares of NPK International shares: Harbor Capital Advisors Inc. ($7.62M), Janney Montgomery Scott LLC ($1.08M), Northeast Financial Group Inc. ($798K), Public Employees Retirement System of Ohio ($458K), Diversified Trust Co ($210K), NorthCrest Asset Manangement LLC ($188K), and Kathmere Capital Management LLC ($163K).Learn more on NPK International's institutional investors. What percentage of NPK International's stock is owned by institutional investors? 80.81% of NPK International's stock is owned by institutional investors. Learn more on NPKI's institutional investor holdings. Which institutional investors have been buying NPK International's stock? The following institutional investors have purchased NPK International's stock in the last 24 months: Harbor Capital Advisors Inc. ($894.79K), Janney Montgomery Scott LLC ($126.55K), Northeast Financial Group Inc. ($93.81K), Public Employees Retirement System of Ohio ($53.79K), Diversified Trust Co ($24.68K), NorthCrest Asset Manangement LLC ($21.29K), and Kathmere Capital Management LLC ($19.20K). How much institutional buying is happening at NPK International? Institutional investors have bought a total of 1,241,855 shares in the last 24 months. This purchase volume represents approximately $10.58M in transactions. Related Companies HSAI Major Shareholders ATS Major Shareholders EPAC Major Shareholders SEI Major Shareholders ACMR Major Shareholders FLOC Major Shareholders AZTA Major Shareholders PSIX Major Shareholders DNOW Major Shareholders OUST Major Shareholders This page (NYSE:NPKI) was last updated on 7/19/2025 by MarketBeat.com Staff From Our PartnersINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | SponsoredThis Signal Only Flashes Once Every 4 Years – And It Just TriggeredThis same signal has appeared twice before in the past 8 years — both times, it kicked off major moves in cryp...Crypto Swap Profits | SponsoredPresidential Bombshell: $150T Resource to Be Released as soon as this Summer?Something extraordinary is happening in Washington. 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