International Bancshares (IBOC) Institutional Ownership $62.50 -1.89 (-2.94%) Closing price 04:00 PM EasternExtended Trading$62.53 +0.03 (+0.05%) As of 04:04 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 AnalysisChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for International Bancshares (NASDAQ:IBOC)CurrentInstitutional OwnershipPercentage65.91%Number ofInstitutional Buyers(last 12 months)126TotalInstitutional Inflows(last 12 months)$389.30MNumber ofInstitutional Sellers(last 12 months)93TotalInstitutional Outflows(last 12 months)$261.59M Get IBOC Insider Trade Alerts Want to know when executives and insiders are buying or selling International Bancshares stock? 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Email Address Skip Chart & View Institutional Buying and Selling Data IBOC Institutional Buying and Selling by Quarter International Bancshares Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails6/3/2025 Inspire Investing LLC5,462$344K0.0%-13.6%0.009% 5/28/2025 Strs Ohio5,800$366K0.0%N/A0.009% 5/20/2025 Intech Investment Management LLC47,831$3.02M0.0%+32.3%0.077% 5/19/2025 Jane Street Group LLC92,422$5.83M0.0%+202.9%0.149% 5/19/2025 UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC167,376$10.56M0.0%+2.3%0.269% 5/16/2025 United Services Automobile Association3,389$213K0.0%N/A0.005% 5/16/2025 Goldman Sachs Group Inc.547,951$34.55M0.0%+1.3%0.882% 5/16/2025 Jones Financial Companies Lllp23,132$1.46M0.0%+11,885.5%0.037% 5/16/2025 Tamar Securities LLC718,117$45.28M6.1%+18.0%1.156% 5/16/2025 Millennium Management LLC312,340$19.70M0.0%-9.8%0.503% Get the Latest News and Ratings for IBOC and Related StocksEnter your email address below to receive the latest news and analysts' ratings for International Bancshares and its competitors with MarketBeat's FREE daily newsletter. 5/16/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.32,200$2.03M0.0%+4.6%0.052% 5/16/2025 Hancock Whitney Corp19,984$1.26M0.0%+3.6%0.032% 5/16/2025 AQR Capital Management LLC328,125$20.44M0.0%-4.8%0.528% 5/15/2025 Royal Bank of Canada12,721$802K0.0%-9.5%0.020% 5/15/2025 Panagora Asset Management Inc.360,459$22.73M0.1%+0.5%0.580% 5/15/2025 Azora Capital LP947,229$59.73M4.1%+28.4%1.524% 5/15/2025 Vident Advisory LLC4,624$292K0.0%+18.9%0.007% 5/15/2025 Trexquant Investment LP7,416$468K0.0%N/A0.012% 5/14/2025 Jacobs Asset Management LLC70,000$4.41M2.8%-41.7%0.113% 5/14/2025 Rafferty Asset Management LLC39,708$2.50M0.0%+4.4%0.064% 5/14/2025 Corebridge Financial Inc.85,215$5.37M0.0%-2.1%0.137% 5/14/2025 Comerica Bank15,398$971K0.0%-2.7%0.025% 5/14/2025 MetLife Investment Management LLC60,095$3.79M0.0%-2.7%0.097% 5/14/2025 AlphaQuest LLC9,080$573K0.1%+41.8%0.015% 5/14/2025 Advantage Alpha Capital Partners LP3,367$212K0.1%-60.8%0.005% 5/14/2025 T. Rowe Price Investment Management Inc.381,628$24.07M0.0%-4.9%0.614% 5/14/2025 Hsbc Holdings PLC4,132$261K0.0%-78.0%0.007% 5/13/2025 Northern Trust Corp811,342$51.16M0.0%-3.9%1.306% 5/13/2025 Summit Securities Group LLC474$30K0.0%N/A0.001% 5/13/2025 Algert Global LLC137,472$8.67M0.2%-0.8%0.221% 5/13/2025 American Century Companies Inc.2,418,758$152.53M0.1%+37.9%3.892% 5/13/2025 Brandywine Global Investment Management LLC144,699$9.13M0.1%-3.9%0.233% 5/13/2025 Dimensional Fund Advisors LP3,463,628$218.41M0.1%-4.5%5.574% 5/13/2025 Persistent Asset Partners Ltd14,953$943K0.8%+20.3%0.024% 5/13/2025 Russell Investments Group Ltd.44,957$2.84M0.0%+8.7%0.072% 5/12/2025 Nuveen LLC272,683$17.20M0.0%N/A0.439% 5/12/2025 Invesco Ltd.289,747$18.27M0.0%-48.1%0.466% 5/12/2025 Citigroup Inc.121,772$7.68M0.0%+47.3%0.196% 5/12/2025 Swiss National Bank108,500$6.84M0.0%-1.5%0.175% 5/12/2025 Cresta Advisors Ltd.62,762$3.96M2.1%+11.3%0.101% The Robotics Revolution has arrived … and one $7 stock could take off as a result. 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Click here to find out more.5/9/2025 Mutual of America Capital Management LLC27,532$1.74M0.0%-2.6%0.044% 5/9/2025 Deutsche Bank AG43,757$2.76M0.0%-37.4%0.070% 5/9/2025 Charles Schwab Investment Management Inc.2,141,959$135.07M0.0%+3.1%3.443% 5/9/2025 Vanguard Group Inc.6,340,097$399.81M0.0%-1.0%10.190% 5/8/2025 XTX Topco Ltd6,116$386K0.0%N/A0.010% 5/7/2025 Mackenzie Financial Corp3,382$213K0.0%-73.5%0.005% 5/6/2025 Cetera Investment Advisers3,665$231K0.0%+9.2%0.006% 5/6/2025 Kovack Advisors Inc.146,189$9.22M1.0%-0.6%0.235% 5/6/2025 Universal Beteiligungs und Servicegesellschaft mbH17,962$1.13M0.0%N/A0.029% 5/6/2025 Y Intercept Hong Kong Ltd5,524$348K0.0%-60.0%0.009% 5/5/2025 GW&K Investment Management LLC68,059$4.29M0.0%-1.4%0.109% 5/5/2025 Allianz Asset Management GmbH7,200$454K0.0%-18.2%0.012% 5/5/2025 Denali Advisors LLC101,972$6.43M0.7%+0.9%0.164% 5/5/2025 Foundry Partners LLC172,715$10.89M0.6%+1.4%0.278% 5/2/2025 Victory Capital Management Inc.54,109$3.41M0.0%-6.1%0.087% 5/2/2025 Signaturefd LLC780$49K0.0%-27.4%0.001% 5/1/2025 LRI Investments LLC1,594$101K0.0%-20.5%0.003% 5/1/2025 CWM LLC841$53K0.0%-62.8%0.001% 5/1/2025 Louisiana State Employees Retirement System15,000$946K0.0%+1.4%0.024% 5/1/2025 New York State Common Retirement Fund96,153$6.06M0.0%-7.3%0.155% 5/1/2025 Mutual of America Capital Management LLC27,532$1.74M0.0%-2.6%0.044% 5/1/2025 Arizona State Retirement System16,041$1.01M0.0%-1.2%0.026% 4/30/2025 Nisa Investment Advisors LLC30,977$1.95M0.0%-1.2%0.050% 4/29/2025 Envestnet Asset Management Inc.22,645$1.43M0.0%-2.4%0.036% 4/29/2025 Bank of New York Mellon Corp482,322$30.42M0.0%-3.0%0.775% 4/28/2025 Principal Financial Group Inc.154,667$9.75M0.0%+1.1%0.249% 4/28/2025 Teacher Retirement System of Texas20,362$1.28M0.0%-24.0%0.033% 4/25/2025 New York State Teachers Retirement System91,243$5.75M0.0%-4.1%0.147% 4/25/2025 Amalgamated Bank23,926$1.51M0.0%-2.6%0.038% 4/25/2025 Convergence Financial LLC4,090$258K0.1%N/A0.007% 4/24/2025 Mirae Asset Global Investments Co. Ltd.43,593$2.73M0.0%+12.6%0.070% 4/24/2025 Diversified Trust Co19,912$1.26M0.0%+2.0%0.032% 4/23/2025 SOL Capital Management CO211,275$13.32M1.5%-0.1%0.340% 4/23/2025 Bessemer Group Inc.2,712$171K0.0%+8.9%0.004% 4/21/2025 Boston Trust Walden Corp1,398,049$88.16M0.6%-1.0%2.247% 4/18/2025 CENTRAL TRUST Co1,000$63K0.0%N/A0.002% 4/17/2025 Janney Montgomery Scott LLC9,091$573K0.0%+14.7%0.015% 4/15/2025 SG Americas Securities LLC19,907$1.26M0.0%N/A0.032% 4/15/2025 GAMMA Investing LLC1,124$71K0.0%+183.1%0.002% 4/14/2025 Yousif Capital Management LLC18,237$1.15M0.0%-2.7%0.029% 4/14/2025 Harbor Capital Advisors Inc.70,074$4.42M0.2%+21.4%0.113% 4/11/2025 Reinhart Partners LLC.777,713$49.04M1.8%+13.2%1.250% 4/11/2025 Vest Financial LLC50,785$3.20M0.0%+32.3%0.082% 4/9/2025 Eldred Rock Partners LLC133,735$8.43M2.6%-2.2%0.215% 4/8/2025 Rhumbline Advisers206,708$13.04M0.0%+8.9%0.333% 4/7/2025 Summit Global Investments5,195$328K0.0%N/A0.008% 4/7/2025 GAMMA Investing LLC70,879$44.70M0.0%+17,753.7%0.114% 3/24/2025 Wellington Management Group LLP25,387$1.60M0.0%-93.9%0.041% 3/18/2025 California State Teachers Retirement System52,200$3.30M0.0%-1.1%0.084% 2/20/2025 Mackenzie Financial Corp12,747$805K0.0%+231.3%0.020% The End of Elon Musk…? 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According to his research, if you listen to the media and miss out on Elon's newest breakthrough, it's going to cost you the fortune of a lifetime.Click here to see why the "End of Elon" crowd is about to be wrong again.2/18/2025 GTS Securities LLC3,699$234K0.0%N/A0.006% 2/17/2025 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC163,687$10.34M0.0%+35.0%0.263% 2/17/2025 Voloridge Investment Management LLC81,828$5.17M0.0%+120.9%0.132% 2/17/2025 iSAM Funds UK Ltd5,590$353K0.3%N/A0.009% 2/17/2025 Vident Advisory LLC3,890$246K0.0%-67.7%0.006% 2/17/2025 Squarepoint Ops LLC29,658$1.87M0.0%N/A0.048% 2/17/2025 Rafferty Asset Management LLC38,050$2.40M0.0%-24.4%0.061% 2/17/2025 Point72 Asia Singapore Pte. Ltd.13,738$868K0.2%N/A0.022% 2/17/2025 Point72 Asset Management L.P.1,400$88K0.0%N/A0.002% 2/17/2025 ProShare Advisors LLC17,730$1.12M0.0%+41.3%0.029% (Data available from 1/1/2016 forward) IBOC Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of IBOC shares? During the previous two years, 207 institutional investors and hedge funds held shares of International Bancshares. The most heavily invested institutionals were Vanguard Group Inc. ($399.81M), Dimensional Fund Advisors LP ($218.41M), State Street Corp ($153.24M), American Century Companies Inc. ($152.53M), Charles Schwab Investment Management Inc. ($135.07M), First Trust Advisors LP ($91.59M), and Boston Trust Walden Corp ($88.16M).Learn more on IBOC's institutional investors. What percentage of International Bancshares stock is owned by institutional investors? 65.91% of International Bancshares stock is owned by institutional investors. Learn more on IBOC's institutional investor holdings. Which institutional investors have been buying International Bancshares stock? Of the 163 institutional investors that purchased International Bancshares stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: American Century Companies Inc. ($1.54M), Norges Bank ($1.22M), Boston Trust Walden Corp ($661.27K), Reinhart Partners LLC. ($409.63K), First Trust Advisors LP ($391.11K), Millennium Management LLC ($328.73K), and Charles Schwab Investment Management Inc. ($316.36K). How much institutional buying is happening at International Bancshares? Institutional investors have bought a total of 9,344,990 shares in the last 24 months. This purchase volume represents approximately $546.28M in transactions. Which International Bancshares major shareholders have been selling company stock? Of the 119 institutional investors that sold International Bancshares stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Wellington Management Group LLP ($2.70M), Invesco Ltd. ($923.87K), Dimensional Fund Advisors LP ($488.26K), Polaris Capital Management LLC ($459.90K), Azora Capital LP ($406.12K), FMR LLC ($398.03K), and Boston Trust Walden Corp ($223.10K). How much institutional selling is happening at International Bancshares? Institutional investors have sold a total of 7,826,320 shares in the last 24 months. This volume of shares sold represents approximately $435.76M in transactions. 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