Free Trial
→ The Iran War Just Broke the Gold Market (From Behind the Markets) (Ad)tc pixel Free NPKI Stock Alerts

NPK International (NPKI) Institutional Ownership

NPK International logo
$15.27 -0.44 (-2.78%)
Closing price 03:59 PM Eastern
Extended Trading
$15.28 +0.00 (+0.01%)
As of 04:10 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)
163
Total
Institutional Inflows
(last 12 months)
$406.96M
Number of
Institutional Sellers
(last 12 months)
85
Total
Institutional Outflows
(last 12 months)
$121.31M
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
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%
5/14/2026 Sei Investments Co.837,157$12.13M0.0%+121.6%0.991%
5/14/2026 Walleye Capital LLC58,425$847K0.0%N/A0.069%
5/14/2026 State of Wyoming46,713$677K0.1%+85.2%0.055%
5/13/2026 Cetera Investment Advisers22,354$324K0.0%+6.5%0.026%
5/8/2026 PNC Financial Services Group Inc.15,199$220K0.0%-11.9%0.018%
5/7/2026 Dimensional Fund Advisors LP3,983,658$57.72M0.0%-10.8%4.717%
5/7/2026 Roubaix Capital LLC269,935$3.91M1.8%-53.1%0.320%
5/5/2026 Bank of New York Mellon Corp266,284$3.86M0.0%-0.8%0.315%
5/5/2026 Sigma Planning Corp60,000$869K0.0%N/A0.071%
5/4/2026 Calamos Advisors LLC353,627$5.12M0.0%-1.1%0.419%
5/4/2026 Principal Financial Group Inc.104,255$1.51M0.0%-9.9%0.124%
5/1/2026 Fifth Third Bancorp5,051$73K0.0%N/A0.006%
4/30/2026 Hsbc Holdings PLC52,549$764K0.0%+272.2%0.062%
4/27/2026 Y Intercept Hong Kong Ltd110,282$1.60M0.0%+4.4%0.131%
4/25/2026 Strs Ohio51,400$745K0.0%-7.6%0.061%
4/24/2026 MQS Management LLC13,938$202K0.1%+16.4%0.017%
4/23/2026 North Star Investment Management Corp.120,000$1.74M0.1%N/A0.142%
4/22/2026 Skylands Capital LLC164,300$2.38M0.3%-3.2%0.195%
4/22/2026 1492 Capital Management LLC176,003$2.55M1.0%-0.9%0.208%
4/22/2026 Pictet Asset Management Holding SA19,825$287K0.0%+26.3%0.023%
4/22/2026 Sterling Capital Management LLC2,719$39K0.0%-42.5%0.003%
4/21/2026 Wasatch Advisors LP2,899,021$42.01M0.3%+30.8%3.434%
4/21/2026 Pinnacle Wealth Management Advisory Group LLC26,295$381K0.0%-10.9%0.031%
4/20/2026 OP Asset Management Ltd333,418$4.83M0.0%N/A0.395%
4/17/2026 XML Financial LLC12,485$181K0.0%N/A0.015%
4/16/2026 SG Americas Securities LLC95,553$1.39M0.0%+143.3%0.113%
4/16/2026 ARS Investment Partners LLC41,209$597K0.0%-5.9%0.049%
4/16/2026 Diversified Trust Co31,038$450K0.0%+13.1%0.037%
3/20/2026 Hsbc 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%
ALERT: Drop these 5 stocks before the market opens tomorrow! (Ad)

The Wall Street Journal is already raising the alarm about a potential market crash, and Weiss Ratings research points to the first half of 2026 as a particularly rough stretch for certain holdings. Some of America's most popular stocks could take serious damage as a radical market shift plays out. Analysts at Weiss Ratings have identified five names you may want to remove from your portfolio before this unfolds. If any of these are in your portfolio, now is the time to review your positions.tc pixel

See the 5 stocks to avoid
2/18/2026 nVerses 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%
2/17/2026 Cetera 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%
2/17/2026 Russell 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%
2/17/2026Graham Capital Management L.P.45,768$546K0.0%+24.6%0.054%
2/17/2026 Magnetar Financial LLC32,027$382K0.0%N/A0.038%
2/17/2026 Rothschild 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%
2/16/2026 Mariner LLC10,664$127K0.0%N/A0.013%
2/16/2026 Kennedy Capital Management LLC184,290$2.20M0.0%-0.6%0.218%
2/16/2026 Landscape Capital Management L.L.C.11,015$131K0.0%N/A0.013%
2/16/2026 Arax Advisory Partners10,350$123K0.0%-10.0%0.012%
2/16/2026Barclays PLC141,582$1.69M0.0%+27.5%0.168%
2/13/2026 Kestra Advisory Services LLC3,350$40K0.0%N/A0.004%
2/13/2026The Manufacturers Life Insurance Company 24,929$297K0.0%-8.4%0.030%
2/13/2026CANADA LIFE ASSURANCE Co9,596$114K0.0%-87.7%0.011%
2/13/2026Jacobs Levy Equity Management Inc.477,318$5.69M0.0%-3.1%0.565%
2/13/2026Charles Schwab Investment Management Inc.1,163,775$13.87M0.0%+9.1%1.377%
2/13/2026 Police & Firemen s Retirement System of New Jersey20,304$242K0.0%-12.1%0.024%
2/13/2026State Street Corp1,977,000$23.57M0.0%-2.7%2.340%
2/13/2026 Boston Partners52,536$626K0.0%-30.5%0.062%
2/13/2026 Caitong International Asset Management Co. Ltd2,146$26K0.1%+26,725.0%0.003%
2/13/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC127,511$1.52M0.0%+2.7%0.151%
2/13/2026 Wells Fargo & Company MN102,735$1.23M0.0%+46.9%0.122%
2/12/2026 Wasatch Advisors LP2,215,905$26.41M0.2%-2.9%2.622%
Elon Musk’s $1 Quadrillion AI IPO (Ad)

$1 quadrillion would be enough to send a $2.8 million check to every man, woman, and child in America. That is the scale of what analysts are calling the biggest AI IPO in history.And right now, you can claim a stake before the company goes public, starting with just $500.Elon Musk is predicting this investment could climb 1,000x from here. Early access is available today.tc pixel

Claim Your Stake Now
2/12/2026 Jane Street Group LLC324,117$3.86M0.0%-23.0%0.384%
2/12/2026MetLife Investment Management LLC45,353$541K0.0%+3.4%0.054%
2/12/2026Paragon Associates & Paragon Associates II Joint Venture400,000$4.77M9.9%-11.1%0.473%
2/12/2026Aristides Capital LLC15,754$188K0.0%N/A0.019%
2/12/2026Renaissance Technologies LLC519,308$6.19M0.0%-8.6%0.615%
2/12/2026 Dimensional Fund Advisors LP4,466,550$53.24M0.0%-6.9%5.286%
2/12/2026 Counterpoint Mutual Funds LLC19,965$238K0.0%-46.4%0.024%
2/12/2026EntryPoint Capital LLC28,038$334K0.1%N/A0.033%
2/12/2026Campbell & CO Investment Adviser LLC86,909$1.04M0.0%+22.4%0.103%
2/12/2026Loomis Sayles & Co. L P1,287,030$15.34M0.0%-3.5%1.523%


NPKI Institutional Ownership - Frequently Asked Questions

During the previous two years, 188 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 ($42.01M), 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 163 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 Thrivent Financial for Lutherans ($1.59M).

Institutional investors have bought a total of 42,829,652 shares in the last 24 months. This purchase volume represents approximately $406.96M in transactions.

Of the 85 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 ($761.85K), Harbor Capital Advisors Inc. ($676.14K), Royce & Associates LP ($380.87K), and ArrowMark Colorado Holdings LLC ($376.77K).

Institutional investors have sold a total of 10,235,451 shares in the last 24 months. This volume of shares sold represents approximately $121.31M in transactions.


Related Companies

This page (NYSE:NPKI) was last updated on 5/15/2026 by MarketBeat.com Staff.
From Our Partners
SpaceX eyes a 1.75 trillion valuation - here's what to know
Elon Musk's team has quietly filed confidential paperwork with the SEC for what Bloomberg estimates could be a...
Brownstone Research | Sponsoredtc pixel
$30 stock to buy before Starlink goes public (WATCH NOW!)
In the next 3 minutes… James Altucher – legendary investor and venture capitalist… And someone who’s kno...
Paradigm Press | Sponsoredtc pixel
Your book attached
Your Download Link (Expiring) If you still haven't downloaded the free Simple Options Trading For Beginners...
Profits Run | Sponsoredtc pixel
My feud with Zohran Mamdani
Emmy-winning analyst releases his next big story Whitney Tilson shocked the nation on 60 Minutes when he ac...
Stansberry Research | Sponsoredtc pixel
Iran War Shock: What I Was Told In That Private Meeting
You’re Being LIED To About The Iran War Forget EVERYTHING you’ve heard about the Iran war. Especially th...
Banyan Hill Publishing | Sponsoredtc pixel
Trump's gold order: the announcement they won't put on the front page
On August 15, 1971, Nixon interrupted prime-time television and ended the gold standard in 15 minutes - no deb...
Reagan Gold Group | Sponsoredtc pixel
Why this tiny stock may move before the SpaceX IPO drops
The projected SpaceX and xAI S-1 filing hits the SEC on June 1st - and analyst Dylan Jovine says $1.75 trillio...
Behind the Markets | Sponsoredtc pixel
Satellite Images Spot Potential $10 Trillion Discovery
'Dark Energy': Elon Musk's Next Potential $10 Trillion Move A highly secure site in West Texas now houses a...
Altimetry | Sponsoredtc pixel