Free Trial
→ Elon Warns 'America Will Go Bankrupt'. Trump's Plan Inside. (From American Hartford Gold) (Ad)tc pixel Free NPKI Stock Alerts

NPK International (NPKI) Institutional Ownership

NPK International logo
$11.77 -0.06 (-0.52%)
Closing price 10/2/2026 03:59 PM Eastern
Extended Trading
$11.78 +0.01 (+0.09%)
As of 10/2/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
Compare

Institutional Ownership Changes (13F Filings) for NPK International (NYSE:NPKI)

Current
Institutional Ownership
Percentage
80.81%
Number of
Institutional Buyers
(last 12 months)
112
Total
Institutional Inflows
(last 12 months)
$195.25M
Number of
Institutional Sellers
(last 12 months)
91
Total
Institutional Outflows
(last 12 months)
$136.49M
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.

Subscribe Now
SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
Skip Chart & View Institutional Buying and Selling Data

NPKI Institutional Buying and Selling by Quarter

NPK International Major Shareholders & Ownership History

Export
Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/15/2026SkyView Investment Advisors LLC15,000$239K0.2%N/A0.018%
9/9/2026Tidal Investments LLC50,490$803K0.0%+284.6%0.059%
9/9/2026WINTON GROUP Ltd36,532$581K0.0%N/A0.043%
9/9/2026Engineers Gate Manager LP17,325$276K0.0%-87.5%0.020%
9/9/2026Pinnacle Wealth Management Advisory Group LLC16,878$269K0.0%-35.8%0.020%
9/9/2026Squarepoint Ops LLC122,167$1.94M0.0%-11.5%0.144%
9/8/2026Arizona State Retirement System22,158$353K0.0%-4.5%0.026%
8/21/2026AXQ Capital LP48,652$774K0.1%N/A0.057%
8/21/2026XML Financial LLC27,485$437K0.0%+120.1%0.032%
8/20/2026Ancora Advisors LLC678,760$10.80M0.2%-6.7%0.799%
8/19/2026Wellington Management Group LLP790,335$12.57M0.0%+198.7%0.931%
8/14/2026Ancora Advisors LLC678,760$10.80M0.2%N/A0.799%
8/10/2026Tieton Capital Management LLC820,845$13.06M3.8%N/A0.967%
8/6/2026Bank of New York Mellon Corp242,570$3.86M0.0%N/A0.286%
7/10/2026Wasatch Advisors LP2,811,593$44.73M0.3%-3.0%3.329%
6/16/2026Empowered Funds LLC49,740$721K0.0%-86.8%0.059%
5/19/2026NewEdge Advisors LLC10,152$147K0.0%-9.0%0.012%
5/19/2026Bank of America Corp DE240,022$3.48M0.0%+21.4%0.284%
5/18/2026Royal Bank of Canada2,404$35K0.0%-47.8%0.003%
5/18/2026Electron Capital Partners LLC1,099,943$15.94M0.6%N/A1.302%
5/18/2026Empowered Funds LLC49,740$721K0.0%-86.8%0.059%
5/16/2026The Manufacturers Life Insurance Company37,493$543K0.0%+50.4%0.044%
5/16/2026Quantinno Capital Management LP26,527$384K0.0%+22.5%0.031%
5/16/2026Lazard Asset Management LLC158,527$2.30M0.0%-33.2%0.188%
5/15/2026Rice Hall James & Associates LLC545,077$7.90M0.4%-0.8%0.645%
5/15/2026Punch & Associates Investment Management Inc.1,818,790$26.35M1.5%-1.8%2.154%
5/15/2026Granahan Investment Management LLC401,658$5.82M0.3%-30.8%0.476%
5/15/2026Entropy Technologies LP10,436$151K0.0%N/A0.012%
5/14/2026Renaissance Technologies LLC362,167$5.25M0.0%-30.3%0.429%
5/14/2026Public Employees Retirement System of Ohio46,293$671K0.0%-13.5%0.055%
5/14/2026Arrowstreet Capital Limited Partnership1,539,088$22.30M0.0%+46.3%1.822%
5/14/2026Sei Investments Co.837,157$12.13M0.0%+121.6%0.991%
5/14/2026Walleye Capital LLC58,425$847K0.0%N/A0.069%
5/14/2026State of Wyoming46,713$677K0.1%+85.2%0.055%
5/13/2026Cetera Investment Advisers22,354$324K0.0%+6.5%0.026%
5/8/2026PNC Financial Services Group Inc.15,199$220K0.0%-11.9%0.018%
5/7/2026Dimensional Fund Advisors LP3,983,658$57.72M0.0%-10.8%4.717%
5/7/2026Roubaix Capital LLC269,935$3.91M1.8%-53.1%0.320%
5/5/2026Bank of New York Mellon Corp266,284$3.86M0.0%-0.8%0.315%
5/5/2026Sigma Planning Corp60,000$869K0.0%N/A0.071%
This AI Stock Reminds One Analyst of Early Nvidia (Ad)

Jeff Brown picked Nvidia in 2016, before shares surged 37,800 percent. Now he's identified another AI company the same size Nvidia was a decade ago. Brown says this firm's patented technology can produce intelligence up to 1,000 times faster than standard AI, and he expects Elon Musk to fuel demand starting November 11. The technology is protected by 150 patents.tc pixel

See Jeff Brown's full research on this AI stock now
5/4/2026Calamos Advisors LLC353,627$5.12M0.0%-1.1%0.419%
5/4/2026Principal Financial Group Inc.104,255$1.51M0.0%-9.9%0.124%
5/1/2026Fifth Third Bancorp5,051$73K0.0%N/A0.006%
4/30/2026Hsbc Holdings PLC52,549$764K0.0%+272.2%0.062%
4/27/2026Y Intercept Hong Kong Ltd110,282$1.60M0.0%+4.4%0.131%
4/25/2026Strs Ohio51,400$745K0.0%-7.6%0.061%
4/24/2026MQS Management LLC13,938$202K0.1%+16.4%0.017%
4/23/2026North Star Investment Management Corp.120,000$1.74M0.1%N/A0.142%
4/22/2026Skylands Capital LLC164,300$2.38M0.3%-3.2%0.195%
4/22/20261492 Capital Management LLC176,003$2.55M1.0%-0.9%0.208%
4/22/2026Pictet Asset Management Holding SA19,825$287K0.0%+26.3%0.023%
4/22/2026Sterling Capital Management LLC2,719$39K0.0%-42.5%0.003%
4/21/2026Wasatch Advisors LP2,899,021$42.01M0.3%+30.8%3.434%
4/21/2026Pinnacle Wealth Management Advisory Group LLC26,295$381K0.0%-10.9%0.031%
4/20/2026OP Asset Management Ltd333,418$4.83M0.0%N/A0.395%
4/17/2026XML Financial LLC12,485$181K0.0%N/A0.015%
4/16/2026SG Americas Securities LLC95,553$1.39M0.0%+143.3%0.113%
4/16/2026ARS Investment Partners LLC41,209$597K0.0%-5.9%0.049%
4/16/2026Diversified Trust Co31,038$450K0.0%+13.1%0.037%
3/20/2026Hsbc Holdings PLC14,120$169K0.0%N/A0.017%
2/26/2026Aristides Capital LLC15,754$188K0.0%N/A0.019%
2/18/2026Mercer Global Advisors Inc. ADV24,363$290K0.0%+6.5%0.029%
2/18/2026Empowered Funds LLC375,623$4.48M0.0%-14.6%0.445%
2/18/2026Zacks Investment Management31,194$372K0.0%-17.6%0.037%
2/18/2026nVerses Capital LLC12,274$146K0.3%N/A0.015%
2/18/2026Uniplan Investment Counsel Inc.536,108$6.39M1.8%-4.7%0.634%
2/18/2026Voloridge Investment Management LLC83,245$992K0.0%N/A0.099%
2/18/2026Wellington Management Group LLP506,597$6.04M0.0%-23.4%0.600%
2/18/2026Tudor Investment Corp ET AL224,475$2.68M0.0%-55.7%0.266%
2/18/2026Susquehanna Fundamental Investments LLC39,043$465K0.0%+146.4%0.046%
2/18/2026Oxford Asset Management LLP15,035$179K0.1%N/A0.018%
2/18/2026Millennium Management LLC106,487$1.27M0.0%-36.3%0.126%
2/18/2026Man Group plc63,327$755K0.0%N/A0.075%
2/18/2026Engineers Gate Manager LP102,979$1.23M0.0%+505.4%0.122%
2/18/2026Balyasny Asset Management L.P.109,824$1.31M0.0%N/A0.130%
2/18/2026Boothbay Fund Management LLC69,290$826K0.0%+7.1%0.082%
2/18/2026Bridgeway Capital Management LLC625,623$7.46M0.2%-9.3%0.740%
2/17/2026AQR Capital Management LLC174,503$2.08M0.0%+35.8%0.207%
2/17/2026Cetera Investment Advisers20,997$250K0.0%-7.1%0.025%
2/17/2026Northeast Financial Group Inc.65,902$786K0.2%-1.4%0.078%
2/17/2026Lazard Asset Management LLC237,222$2.83M0.0%N/A0.281%
2/17/2026Pennant Select LLC1,014,221$12.09M6.4%-4.5%1.200%
2/17/2026ArrowMark Colorado Holdings LLC977,963$11.66M0.3%-6.6%1.157%
2/17/2026Jump Financial LLC239,259$2.85M0.0%+9.8%0.283%
2/17/2026Price T Rowe Associates Inc. MD61,736$736K0.0%+5.4%0.073%
2/17/2026California State Teachers Retirement System80,829$963K0.0%+6.6%0.096%
2/17/2026Russell Investments Group Ltd.1,880,927$22.42M0.0%-2.7%2.226%
2/17/2026Punch & Associates Investment Management Inc.1,852,804$22.09M1.3%-2.2%2.193%
2/17/2026Granahan Investment Management LLC580,447$6.92M0.3%+16.1%0.687%
2/17/2026State of Wisconsin Investment Board93,891$1.12M0.0%+7.2%0.111%
Elon Warns "America Will Go Bankrupt". Trump's Plan Inside. (Ad)

National debt just crossed 40 trillion dollars, and Elon Musk says America is 1,000% going to go bankrupt without major changes. As former head of the Department of Government Efficiency under President Trump, Musk saw firsthand how looming spending cuts could rattle markets and squeeze 401ks, IRAs, and TSPs. A preserved IRS provision may help everyday investors shield their retirement savings before the next wave of volatility hits.tc pixel

Download the free guide to help protect your retirement savings now
2/17/2026Graham Capital Management L.P.45,768$546K0.0%+24.6%0.054%
2/17/2026Magnetar Financial LLC32,027$382K0.0%N/A0.038%
2/17/2026Rothschild Wealth LLC138,500$1.65M0.2%N/A0.164%
2/17/2026Rice Hall James & Associates LLC549,721$6.55M0.4%-4.2%0.651%
2/16/2026Squarepoint Ops LLC58,656$699K0.0%+229.4%0.069%
2/16/2026Verition Fund Management LLC175,974$2.10M0.0%+170.6%0.208%
2/16/2026Panagora Asset Management Inc.669,303$7.98M0.0%-2.0%0.792%
2/16/2026Mariner LLC10,664$127K0.0%N/A0.013%
2/16/2026Kennedy Capital Management LLC184,290$2.20M0.0%-0.6%0.218%
2/16/2026Landscape Capital Management L.L.C.11,015$131K0.0%N/A0.013%


NPKI Institutional Ownership - Frequently Asked Questions

During the previous two years, 196 institutional investors and hedge funds held shares of NPK International. The most heavily invested institutionals were Ameriprise Financial Inc. ($59.35M), Dimensional Fund Advisors LP ($57.72M), Vanguard Group Inc. ($56.10M), Wasatch Advisors LP ($44.73M), American Century Companies Inc. ($33.60M), Punch & Associates Investment Management Inc. ($26.35M), and Royce & Associates LP ($26.05M).Learn more on NPK International's institutional investors.

80.81% of NPK International's stock is owned by institutional investors. Learn more on NPKI's institutional investor holdings.

Of the 172 institutional investors that purchased NPK International's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Ameriprise Financial Inc. ($6.10M), Wasatch Advisors LP ($3.66M), American Century Companies Inc. ($2.97M), Conversant Capital LLC ($2.71M), Geode Capital Management LLC ($2.34M), Russell Investments Group Ltd. ($1.93M), and Tieton Capital Management LLC ($1.80M).

Institutional investors have bought a total of 15,047,510 shares in the last 24 months. This purchase volume represents approximately $195.25M in transactions.

Of the 91 institutional investors that sold NPK International's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Dimensional Fund Advisors LP ($1.35M), Perritt Capital Management Inc ($1.05M), Ameriprise Financial Inc. ($851.45K), Wasatch Advisors LP ($849.28K), Empowered Funds LLC ($780.15K), Harbor Capital Advisors Inc. ($676.14K), and Royce & Associates LP ($380.87K).

Institutional investors have sold a total of 11,253,119 shares in the last 24 months. This volume of shares sold represents approximately $136.49M in transactions.


Related Companies

Institutional ownership data for NYSE:NPKI is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/15/2026. New 13F filings are added each quarter as they're published.
From Our Partners
Elon Warns "America Will Go Bankrupt". Trump's Plan Inside.
National debt just crossed 40 trillion dollars, and Elon Musk says America is 1,000% going to go bankrupt with...
American Hartford Gold | Sponsoredtc pixel
WATCH THIS BEFORE DECEMBER 8th!!
James Altucher says a quiet government filing could reveal Elon Musk's biggest move yet, and almost nobody has...
Paradigm Press | Sponsoredtc pixel
Your book is inside
The "Sucker's Bet" Most New Options Traders Fall For Most people who try options lose money the same way. ...
Profits Run | Sponsoredtc pixel
How Elon’s Empire Ends (and how to profit)
Marc Chaikin, the 60 year Wall Street veteran whose Chaikin Money Flow indicator sits on every Bloomberg termi...
Chaikin Analytics | Sponsoredtc pixel
Small Colorado Company (Backed by Sam Altman) Could Save U.S. Power Grid
A small Colorado company has secured rights to technology that could prevent the U.S. public power grid from c...
Altimetry | Sponsoredtc pixel
I'm giving you a space stock today. Free.
On December 8th, $600 billion in frozen SpaceX stock comes loose. Dylan Jovine says one simple purchase in any...
Behind the Markets | Sponsoredtc pixel
My top 3 AI picks for the next decade
Alexander Green bought Apple in 1996, recommended Nvidia at a split-adjusted 66 cents in 2004, and picked up A...
The Oxford Club | Sponsoredtc pixel
ALERT: Drop these 5 stocks before the market opens tomorrow!
The Wall Street Journal is already raising the alarm about a potential market crash, and Weiss Ratings researc...
Weiss Ratings | Sponsoredtc pixel