Orion (OEC) Institutional Ownership $10.30 +0.24 (+2.34%) Closing price 08/19/2025 03:59 PM EasternExtended Trading$10.29 -0.01 (-0.05%) As of 08/19/2025 07:37 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 Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Orion (NYSE:OEC)CurrentInstitutional OwnershipPercentage94.33%Number ofInstitutional Buyers(last 12 months)128TotalInstitutional Inflows(last 12 months)$218.33MNumber ofInstitutional Sellers(last 12 months)80TotalInstitutional Outflows(last 12 months)$180.65M Get OEC Insider Trade Alerts Want to know when executives and insiders are buying or selling Orion 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 OEC Institutional Buying and Selling by Quarter Orion Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/19/2025State of Wyoming20,974$220K0.0%N/A0.037% 8/15/2025 Tower Research Capital LLC TRC 7,382$77K0.0%+321.8%0.013% 8/15/2025 Man Group plc102,732$1.08M0.0%-2.3%0.183% 8/15/2025 Harvey Partners LLC2,424,995$25.44M2.5%+15.5%4.319% 8/15/2025 Grizzlyrock Capital LLC206,280$2.16M1.5%+6.5%0.367% 8/15/2025 Engineers Gate Manager LP162,551$1.71M0.0%+70.2%0.289% 8/15/2025 Cubist Systematic Strategies LLC478,629$5.02M0.0%+54.0%0.852% 8/15/2025 BNP Paribas Financial Markets36,561$384K0.0%+414.7%0.065% 8/15/2025 Balyasny Asset Management L.P.51,416$539K0.0%N/A0.092% 8/15/2025 Bank of America Corp DE77,335$811K0.0%-60.7%0.138% Get the Latest News and Ratings for OEC and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Orion and its competitors with MarketBeat's FREE daily newsletter. 8/15/2025 Ameriprise Financial Inc.48,215$506K0.0%-60.0%0.086% 8/14/2025 Lighthouse Investment Partners LLC384,541$4.03M0.2%+3.1%0.685% 8/14/2025 Kent Lake PR LLC450,714$4.73M2.1%-9.9%0.803% 8/14/2025 Jane Street Group LLC220,404$2.31M0.0%+82.0%0.393% 8/14/2025 Raymond James Financial Inc.275,490$2.89M0.0%+19.4%0.491% 8/14/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.30,394$319K0.0%-10.2%0.054% 8/14/2025 Squarepoint Ops LLC222,702$2.34M0.0%+259.3%0.397% 8/14/2025 Nebula Research & Development LLC74,326$780K0.1%-15.8%0.132% 8/14/2025 Qube Research & Technologies Ltd457,586$4.80M0.0%+68.2%0.815% 8/14/2025 Cerity Partners LLC39,642$416K0.0%N/A0.071% 8/13/2025 Gamco Investors INC. ET AL77,510$813K0.0%N/A0.138% 8/13/2025 Jump Financial LLC203,418$2.13M0.0%+395.7%0.362% 8/13/2025 Brown Advisory Inc.2,471,143$25.92M0.0%-6.3%4.401% 8/13/2025 Marshall Wace LLP46,418$487K0.0%+52.6%0.083% 8/13/2025 Kennedy Capital Management LLC194,832$2.04M0.0%+7.8%0.347% 8/13/2025 Invesco Ltd.1,805,927$18.94M0.0%+5.3%3.216% 8/13/2025 Isthmus Partners LLC156,640$1.64M0.2%+7.3%0.279% 8/13/2025 Arrowstreet Capital Limited Partnership227,351$2.39M0.0%+12.7%0.405% 8/13/2025 Quantbot Technologies LP7,483$78K0.0%-87.4%0.013% 8/13/2025 Wealthedge Investment Advisors LLC54,802$575K0.2%N/A0.098% 8/13/2025 New York State Common Retirement Fund8,367$88K0.0%-53.2%0.015% 8/13/2025 Russell Investments Group Ltd.43,335$455K0.0%+33.3%0.077% 8/12/2025 Prudential Financial Inc.39,275$412K0.0%+7.4%0.070% 8/12/2025 American Century Companies Inc.2,000,241$20.98M0.0%+5.8%3.562% 8/12/2025 Rhumbline Advisers85,855$901K0.0%+2.8%0.153% 8/12/2025 CenterBook Partners LP294,093$3.09M0.2%+53.9%0.524% 8/12/2025 Franklin Resources Inc.36,104$379K0.0%N/A0.064% 8/12/2025 Legal & General Group Plc63,732$669K0.0%-1.6%0.114% 8/12/2025 JPMorgan Chase & Co.586,943$6.16M0.0%-6.3%1.045% 8/12/2025 Entropy Technologies LP14,460$152K0.0%-41.3%0.026% New law could create $3.7 trillion tsunami. (Ad)During a meeting in Washington D.C., Jeff Brown discovered a bold initiative. He calls it “President Trump’s Project MAFA,” and it could soon return America to a “new” gold standard. The Trump administration, Wall Street, and Silicon Valley are all pushing it forward. The President himself calls the plan “incredible.” Already, it’s helping small plays jump as high as 300%, 318%, 520%, and even 600%.You can watch it right here.8/12/2025 Swiss National Bank108,200$1.14M0.0%-3.3%0.193% 8/12/2025 Dynamic Technology Lab Private Ltd15,488$162K0.0%+46.7%0.028% 8/8/2025 Intech Investment Management LLC26,652$280K0.0%-35.5%0.047% 8/8/2025 Police & Firemen s Retirement System of New Jersey13,687$144K0.0%+18.2%0.024% 8/8/2025 Geode Capital Management LLC1,318,222$13.83M0.0%-0.4%2.343% 8/8/2025 Quinn Opportunity Partners LLC414,865$4.35M0.4%+7.8%0.737% 8/7/2025 ProShare Advisors LLC11,377$119K0.0%-7.8%0.020% 8/7/2025 CSM Advisors LLC261,460$2.74M0.1%N/A0.465% 8/7/2025 Campbell & CO Investment Adviser LLC64,356$675K0.0%N/A0.114% 8/6/2025 Fox Run Management L.L.C.12,741$134K0.0%-67.3%0.023% 8/6/2025 Carnegie Lake Advisors LLC198,741$2.09M0.8%+6.4%0.353% 8/1/2025 First Pacific Advisors LP367,751$3.86M0.1%+9.6%0.654% 8/1/2025 GWN Securities Inc.14,074$148K0.0%N/A0.025% 8/1/2025 Y Intercept Hong Kong Ltd132,424$1.39M0.0%+698.1%0.235% 8/1/2025 Envestnet Asset Management Inc.52,634$552K0.0%+9.9%0.094% 7/31/2025 MQS Management LLC16,662$175K0.1%N/A0.030% 7/29/2025 William Blair Investment Management LLC633,446$6.65M0.0%-81.8%1.126% 7/29/2025 Tweedy Browne Co LLC16,329$171K0.0%N/A0.029% 7/25/2025 Pzena Investment Management LLC4,577,197$48.02M0.2%+37.5%8.134% 7/25/2025 CWM LLC19,294$202K0.0%+189.6%0.034% 7/24/2025 Inspire Investing LLC36,431$382K0.0%+37.0%0.065% 7/10/2025 Wealth Enhancement Advisory Services LLC73,627$828K0.0%+461.7%0.131% 6/27/2025 Goldman Sachs Group Inc.223,503$2.89M0.0%-34.4%0.397% 6/18/2025 Voya Investment Management LLC16,108$208K0.0%-9.2%0.029% 6/3/2025 Inspire Investing LLC26,584$344K0.0%+4.9%0.047% 5/29/2025 Rhumbline Advisers83,511$1.08M0.0%+5.5%0.148% 5/28/2025 Strs Ohio15,400$199K0.0%N/A0.027% 5/19/2025 Jane Street Group LLC121,078$1.57M0.0%+202.7%0.215% 5/16/2025 Dean Capital Management45,749$592K0.3%+50.8%0.081% 5/16/2025 Goldman Sachs Group Inc.223,503$2.89M0.0%-34.4%0.397% 5/16/2025 Dynamic Technology Lab Private Ltd10,560$137K0.0%N/A0.019% 5/16/2025 PharVision Advisers LLC14,375$186K0.3%N/A0.026% 5/16/2025 Millennium Management LLC310,391$4.01M0.0%-51.2%0.552% 5/16/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.33,857$438K0.0%+3.3%0.060% 5/16/2025 Invenomic Capital Management LP241,707$3.13M0.2%N/A0.430% 5/16/2025 Jacobs Levy Equity Management Inc.201,182$2.60M0.0%-55.8%0.358% 5/16/2025 AQR Capital Management LLC149,128$1.93M0.0%+86.2%0.265% 5/15/2025 Cubist Systematic Strategies LLC310,805$4.02M0.0%N/A0.552% 5/15/2025 Royal Bank of Canada283,138$3.66M0.0%+10.7%0.503% 5/15/2025 Quarry LP4,574$59K0.0%N/A0.008% 5/15/2025 Trexquant Investment LP193,365$2.50M0.0%+1,380.1%0.344% 5/15/2025 MYDA Advisors LLC51,000$659K0.1%+30.8%0.091% 5/14/2025Keeley Teton Advisors LLC77,510$1.00M0.1%-1.2%0.138% 5/14/2025 Walleye Capital LLC27,855$360K0.0%N/A0.050% 5/14/2025 Penn Capital Management Company LLC172,572$2.23M0.2%-69.6%0.307% 5/14/2025 Jump Financial LLC41,034$531K0.0%N/A0.073% 5/14/2025 T. Rowe Price Investment Management Inc.318,376$4.12M0.0%-74.8%0.566% 5/14/2025 Fuller & Thaler Asset Management Inc.273,182$3.53M0.0%+49.2%0.485% 5/14/2025 Quantbot Technologies LP59,256$766K0.0%+940.9%0.105% 5/13/2025 Algert Global LLC33,300$431K0.0%N/A0.059% When the levee breaks (Ad)The U.S. Treasury just confirmed it plans to borrow $1.01 trillion this quarter—nearly double what was projected. According to Porter Stansberry, this is panic-level borrowing… and a clear sign we’re nearing America’s financial breaking point. In his latest emergency briefing, Porter outlines why the cracks in our system are widening fast—and how Trump’s policies may be accelerating the collapse. More importantly, he reveals three moves you can make now to protect and potentially grow your wealth before the levee breaks.Click here to watch the urgent broadcast and get ahead of what’s coming.5/13/2025 Roubaix Capital LLC305,312$3.95M2.0%-9.3%0.543% 5/13/2025 Raymond James Financial Inc.230,799$2.98M0.0%+138.0%0.410% 5/13/2025 Tocqueville Asset Management L.P.89,903$1.16M0.0%-4.7%0.160% 5/13/2025 American Century Companies Inc.1,889,917$24.44M0.0%+8.2%3.359% 5/13/2025 Fox Run Management L.L.C.38,942$504K0.1%N/A0.069% 5/13/2025 Russell Investments Group Ltd.32,521$420K0.0%-47.6%0.058% 5/12/2025 Nuveen LLC210,583$2.72M0.0%N/A0.374% 5/12/2025 Virtu Financial LLC13,680$177K0.0%N/A0.024% 5/12/2025 Entropy Technologies LP24,616$318K0.0%N/A0.044% 5/12/2025 Invesco Ltd.1,714,253$22.17M0.0%+1.3%3.044% (Data available from 1/1/2016 forward) OEC Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of OEC shares? During the previous two years, 210 institutional investors and hedge funds held shares of Orion. The most heavily invested institutionals were Pzena Investment Management LLC ($48.02M), Dimensional Fund Advisors LP ($34.53M), Brown Advisory Inc. ($25.92M), Harvey Partners LLC ($25.44M), Minneapolis Portfolio Management Group LLC ($25.17M), State Street Corp ($23.39M), and Inherent Group LP ($22.88M).Learn more on Orion's institutional investors. What percentage of Orion's stock is owned by institutional investors? 94.33% of Orion's stock is owned by institutional investors. Learn more on OEC's institutional investor holdings. Which institutional investors have been buying Orion's stock? Of the 172 institutional investors that purchased Orion's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Pzena Investment Management LLC ($2.39M), William Blair Investment Management LLC ($1.01M), Grizzlyrock Capital LLC ($863.05K), Victory Capital Management Inc. ($848.99K), American Century Companies Inc. ($813.87K), EVR Research LP ($800K), and Schroder Investment Management Group ($619.33K). How much institutional buying is happening at Orion? Institutional investors have bought a total of 15,233,407 shares in the last 24 months. This purchase volume represents approximately $218.33M in transactions. Which of Orion's major shareholders have been selling company stock? Of the 80 institutional investors that sold Orion's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: T. Rowe Price Investment Management Inc. ($2.86M), William Blair Investment Management LLC ($2.85M), FMR LLC ($1.96M), Penn Capital Management Company LLC ($395.73K), Harspring Capital Management LLC ($345K), Pzena Investment Management LLC ($335.70K), and Millennium Management LLC ($325.13K). How much institutional selling is happening at Orion? Institutional investors have sold a total of 12,828,615 shares in the last 24 months. This volume of shares sold represents approximately $180.65M in transactions. Related Companies Cabot Major Shareholders Chemours Major Shareholders Ingevity Major Shareholders CVR Partners Major Shareholders Braskem Major Shareholders Ecovyst Major Shareholders ASP Isotopes Major Shareholders Westlake Chemical Partners Major Shareholders Tronox Major Shareholders AdvanSix Major Shareholders This page (NYSE:OEC) was last updated on 8/20/2025 by MarketBeat.com Staff From Our PartnersWinning the AI WarWhat’s really driving the trade wars, reshoring, and sweeping executive orders? According to Porter Stansberry...Porter & Company | SponsoredAmazon’s big Bitcoin embarrassmentBitcoin just passed Amazon in total market cap — but most investors are missing the bigger opportunity. Whi...Brownstone Research | SponsoredCover all your expenses with just $118,000 invested?Generate up to $5,000/month with 10X less money? That's what every financial advisor tells you. But I just ...Investors Alley | SponsoredElon Musk’s New TechnologyElon Musk is building something in Memphis that could eclipse even Tesla and SpaceX. At the heart of it is a n...Paradigm Press | SponsoredEveryone’s watching Nvidia right now. Here’s why I’m excited.So, unless you’ve been living under a rock, you probably saw the news… Nvidia just signed a $7 BILLION deal...Timothy Sykes | SponsoredSeptember 16 Could Crush Your Tech StocksMillions of investors are piled into the same megacap tech stocks—Nvidia, Microsoft, Amazon, Tesla. But Wall S...InvestorPlace | SponsoredNational 'Stock Market Reset' Coming September 30 (New WH Order)Crash Coming Sept 30? Analysts Warn of New Crisis A new problem on the U.S. power grid is putting millions ...Altimetry | SponsoredREVEALED FREE: Our top 3 stocks to own in 2025 and beyondEvery time Weiss Ratings flashed green like this, the average gain on each and every stock has been 303% (incl...Weiss Ratings | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added ten stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Orion S.A. Please log in to your account or sign up in order to add this asset to your watchlist. Share Orion With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.