Byline Bancorp (BY) Institutional Ownership $33.13 -0.04 (-0.11%) Closing price 05/22/2026 03:59 PM EasternExtended Trading$33.15 +0.01 (+0.04%) As of 05/22/2026 05:36 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. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Byline Bancorp (NYSE:BY)CurrentInstitutional OwnershipPercentage67.73%Number ofInstitutional Buyers(last 12 months)109TotalInstitutional Inflows(last 12 months)$93.08MNumber ofInstitutional Sellers(last 12 months)64TotalInstitutional Outflows(last 12 months)$75.41M Get BY Insider Trade Alerts Want to know when executives and insiders are buying or selling Byline Bancorp stock? 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Skip Chart & View Institutional Buying and Selling Data BY Institutional Buying and Selling by Quarter Byline Bancorp Major Shareholders & Ownership History ExportReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/21/2026 Essential Partners LLC1,196$38K0.0%-22.1%0.003% 5/19/2026 Bank of America Corp DE135,836$4.29M0.0%+11.3%0.299% 5/18/2026 Royal Bank of Canada2,332$73K0.0%+58.3%0.005% 5/18/2026 Empowered Funds LLC202,525$6.39M0.0%+5.0%0.446% 5/16/2026 The Manufacturers Life Insurance Company 15,532$490K0.0%-4.3%0.034% 5/16/2026 Quantinno Capital Management LP19,396$612K0.0%+18.5%0.043% 5/14/2026 Arrowstreet Capital Limited Partnership72,189$2.28M0.0%-23.4%0.159% 5/14/2026 Sei Investments Co.129,589$4.09M0.0%-1.4%0.285% 5/13/2026 First Trust Advisors LP86,509$2.73M0.0%+2.1%0.191% 5/8/2026 PNC Financial Services Group Inc.17,415$550K0.0%-2.6%0.038% Get the Latest News and Ratings for BY and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Byline Bancorp and its competitors with MarketBeat's FREE daily newsletter. 5/7/2026 Dimensional Fund Advisors LP2,366,600$74.71M0.0%+1.6%5.212% 5/5/2026 Bank of New York Mellon Corp163,344$5.16M0.0%-1.3%0.360% 5/5/2026 Signet Financial Management LLC6,635$209K0.0%N/A0.015% 5/4/2026 Principal Financial Group Inc.46,430$1.47M0.0%N/A0.102% 5/1/2026 Fifth Third Bancorp9,005$284K0.0%N/A0.020% 4/30/2026 Hsbc Holdings PLC44,816$1.42M0.0%-36.4%0.099% 4/27/2026 Y Intercept Hong Kong Ltd23,323$736K0.0%-35.2%0.051% 4/24/2026 MQS Management LLC7,392$233K0.2%-24.4%0.016% 4/23/2026 Detalus Advisors LLC199,774$6.31M1.4%-2.3%0.438% 4/22/2026 Sterling Capital Management LLC9,677$306K0.0%-37.4%0.021% 4/20/2026 Assenagon Asset Management S.A.227,317$7.18M0.0%N/A0.499% 4/16/2026 SG Americas Securities LLC16,988$536K0.0%-52.5%0.037% 3/20/2026 Hsbc Holdings PLC70,502$2.06M0.0%+135.9%0.155% 3/6/2026 Hsbc Holdings PLC70,502$2.06M0.0%+135.9%0.155% 2/19/2026 T. Rowe Price Investment Management Inc.577,204$16.83M0.0%-3.3%1.260% 2/19/2026 Invesco Ltd.51,138$1.49M0.0%+1.2%0.112% 2/18/2026 Mercer Global Advisors Inc. ADV13,582$396K0.0%-13.8%0.030% 2/18/2026 State of Tennessee Department of Treasury7,533$241K0.0%+28.8%0.016% 2/18/2026 Empowered Funds LLC192,925$5.62M0.0%+8.2%0.421% 2/18/2026 VARCOV Co.12,875$375K0.1%N/A0.028% 2/18/2026 Wellington Management Group LLP1,193,999$34.81M0.0%-3.4%2.606% 2/18/2026 Tudor Investment Corp ET AL99,339$2.90M0.0%-14.9%0.217% 2/18/2026 Susquehanna Fundamental Investments LLC19,870$579K0.0%N/A0.043% 2/18/2026 Millennium Management LLC159,428$4.65M0.0%-62.0%0.348% 2/18/2026 Inspire Investing LLC16,030$467K0.0%-2.4%0.035% 2/18/2026 Janus Henderson Group PLC19,615$572K0.0%+93.9%0.043% 2/18/2026 Aristotle Capital Boston LLC801,227$23.36M1.3%-9.6%1.749% 2/18/2026 Bridgeway Capital Management LLC427,525$12.46M0.3%-9.0%0.933% 2/17/2026 PDT Partners LLC29,715$866K0.1%-16.1%0.065% 2/17/2026 AQR Capital Management LLC504,943$14.72M0.0%+5.0%1.102% Louis Navellier: My #1 AI stock for 2026 (name & ticker inside) (Ad)Louis Navellier's Stock Grader system helped him flag Nvidia before its 82,000% run and has identified the top S&P 500 stock for 12 years running—and today, he's giving away his #1 AI stock pick for 2026, free. This company's sales are up 28% year over year, it holds over 30,000 patents in wireless and video technology, and it just earned an A-rating in his proprietary Stock Grader system that has cost him $9 million to build and maintain.Get the name and ticker of Louis Navellier's #1 AI stock free2/17/2026 Trexquant Investment LP62,898$1.83M0.0%+10.2%0.137% 2/17/2026 Price T Rowe Associates Inc. MD18,189$531K0.0%+8.3%0.040% 2/17/2026 T. Rowe Price Investment Management Inc.229,082$6.68M0.0%-61.6%0.500% 2/17/2026 California State Teachers Retirement System31,561$920K0.0%+28.4%0.069% 2/17/2026 Russell Investments Group Ltd.3,667$107K0.0%+28.2%0.008% 2/17/2026 Royal Bank of Canada1,473$42K0.0%-78.3%0.003% 2/17/2026 Blair William & Co. IL82,939$2.42M0.0%+4.8%0.181% 2/17/2026 Maltese Capital Management LLC265,000$7.73M1.4%+23.3%0.578% 2/16/2026 Mariner LLC91,887$2.68M0.0%+614.2%0.201% 2/16/2026 Focus Partners Wealth51,021$1.49M0.0%N/A0.111% 2/16/2026 Barclays PLC82,366$2.40M0.0%+19.9%0.180% 2/16/2026 Aigen Investment Management LP15,825$461K0.1%N/A0.035% 2/13/2026 Parkside Financial Bank & Trust2,381$69K0.0%+15.1%0.005% 2/13/2026 The Manufacturers Life Insurance Company 16,236$473K0.0%-5.5%0.035% 2/13/2026 Jacobs Levy Equity Management Inc.111,621$3.25M0.0%-3.5%0.244% 2/13/2026 Rafferty Asset Management LLC28,424$829K0.0%-30.5%0.062% 2/13/2026 First Trust Advisors LP84,730$2.47M0.0%-28.2%0.185% 2/13/2026 State Street Corp997,040$29.06M0.0%+0.9%2.176% 2/13/2026 Ieq Capital LLC58,025$1.69M0.0%+5.4%0.127% 2/13/2026 Boston Partners706,741$20.69M0.0%-3.6%1.542% 2/13/2026 Martingale Asset Management L P10,322$301K0.0%N/A0.023% 2/13/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC52,463$1.53M0.0%+5.9%0.114% 2/13/2026 Wells Fargo & Company MN67,034$1.95M0.0%+178.8%0.146% 2/12/2026 Jane Street Group LLC17,273$504K0.0%-37.1%0.038% 2/12/2026 DRW Securities LLC9,370$273K0.0%-29.2%0.020% 2/12/2026 State Board of Administration of Florida Retirement System7,074$206K0.0%N/A0.015% 2/12/2026 Renaissance Technologies LLC111,600$3.25M0.0%+28.7%0.244% 2/12/2026 Dimensional Fund Advisors LP2,330,002$67.92M0.0%+0.3%5.085% 2/12/2026 Federated Hermes Inc.573,652$16.72M0.0%+16.7%1.252% 2/12/2026 New York State Common Retirement Fund46,409$1.35M0.0%+25.4%0.101% 2/12/2026 Zevin Asset Management LLC10,624$310K0.0%N/A0.023% 2/12/2026 Campbell & CO Investment Adviser LLC27,010$787K0.0%+54.2%0.059% 2/12/2026 Swiss National Bank67,900$1.98M0.0%+9.3%0.148% 2/12/2026 Nuveen LLC450,439$13.13M0.0%-4.9%0.983% 2/11/2026 Empowered Funds LLC192,925$5.62M0.0%+8.2%0.421% 2/11/2026 Deutsche Bank AG25,859$754K0.0%+6.9%0.056% 2/11/2026 Cerity Partners LLC7,181$209K0.0%-4.6%0.016% 2/11/2026 Franklin Resources Inc.21,246$619K0.0%+13.1%0.046% 2/11/2026Brandywine Global Investment Management LLC91,115$2.66M0.0%-3.6%0.199% 2/11/2026 JPMorgan Chase & Co.570,364$16.63M0.0%-3.1%1.245% 2/10/2026 Goldman Sachs Group Inc.276,181$8.05M0.0%+64.7%0.603% 2/10/2026 Fiducient Advisors LLC81,767$2.38M0.3%+33.5%0.178% 2/10/2026 Intech Investment Management LLC11,492$335K0.0%-14.4%0.025% 2/9/2026 Geode Capital Management LLC764,144$22.28M0.0%+1.8%1.668% 2/9/2026 Endeavour Capital Advisors Inc.155,140$4.52M1.3%-1.1%0.339% 2/9/2026 Clearstead Advisors LLC1,578$46K0.0%+83.1%0.003% 2/9/2026 MQS Management LLC9,783$285K0.2%N/A0.021% 2/6/2026 Princeton Capital Management LLC15,200$443K0.1%+35.7%0.033% 2/6/2026 HighTower Advisors LLC26,420$770K0.0%-27.3%0.058% 2/5/2026 Abacus Wealth Partners LLC20,322$592K0.1%N/A0.044% The Iran War Just Broke the Gold Market (Ad)The Iran war isn't just a geopolitical event. It's a financial one. Within hours of the strikes, oil surged… Defense stocks exploded…And gold ripped past $5,000.You can see the evidence — and the ticker symbol — here >>>2/5/2026 Thrivent Financial for Lutherans89,229$2.60M0.0%+25.5%0.195% 2/3/2026 Denali Advisors LLC125,752$3.67M0.4%+32.3%0.274% 2/3/2026 Detalus Advisors LLC204,549$5.96M1.5%+1.0%0.446% 2/2/2026 Strs Ohio11,700$341K0.0%+5.4%0.026% 1/30/2026 New York State Teachers Retirement System2,864$83K0.0%+16.1%0.006% 1/29/2026 UBS Group AG92,400$2.69M0.0%-34.5%0.202% 1/29/2026Vanguard Group Inc.1,822,619$53.13M0.0%+2.7%3.978% 1/27/2026 Zurcher Kantonalbank Zurich Cantonalbank22,130$645K0.0%+11.9%0.048% 1/26/2026 Oceanside Advisors LLC7,100$207K0.1%N/A0.015% 1/26/2026 CWM LLC25,016$729K0.0%+2.7%0.055% BY Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of BY shares? During the previous two years, 169 institutional investors and hedge funds held shares of Byline Bancorp. The most heavily invested institutionals were Dimensional Fund Advisors LP ($74.71M), Vanguard Group Inc. ($53.13M), Wellington Management Group LLP ($34.81M), State Street Corp ($29.06M), FMR LLC ($27.73M), Aristotle Capital Boston LLC ($23.36M), and Geode Capital Management LLC ($22.28M).Learn more on Byline Bancorp's institutional investors. What percentage of Byline Bancorp's stock is owned by institutional investors? 67.73% of Byline Bancorp's stock is owned by institutional investors. Learn more on BY's institutional investor holdings. Which institutional investors have been buying Byline Bancorp's stock? Of the 145 institutional investors that purchased Byline Bancorp's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Boston Partners ($671.26K), JPMorgan Chase & Co. ($517.04K), Wellington Management Group LLP ($413.56K), Next Century Growth Investors LLC ($330.98K), American Century Companies Inc. ($301.87K), T. Rowe Price Investment Management Inc. ($297.79K), and Assenagon Asset Management S.A. ($273.37K). How much institutional buying is happening at Byline Bancorp? Institutional investors have bought a total of 3,293,005 shares in the last 24 months. This purchase volume represents approximately $93.08M in transactions. Which of Byline Bancorp's major shareholders have been selling company stock? Of the 64 institutional investors that sold Byline Bancorp's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Wellington Management Group LLP ($529.94K), Millennium Management LLC ($394.82K), T. Rowe Price Investment Management Inc. ($387.62K), Ararat Capital Management LP ($106.08K), Goldman Sachs Group Inc. ($105.68K), Aristotle Capital Boston LLC ($92.09K), and Next Century Growth Investors LLC ($82.11K). How much institutional selling is happening at Byline Bancorp? Institutional investors have sold a total of 2,665,515 shares in the last 24 months. This volume of shares sold represents approximately $75.41M in transactions. Related Companies ABCB Major Shareholders BUSE Major Shareholders FFBC Major Shareholders FMBH Major Shareholders FRME Major Shareholders HOPE Major Shareholders MBWM Major Shareholders STBA Major Shareholders UVSP Major Shareholders WSFS Major Shareholders This page (NYSE:BY) was last updated on 5/25/2026 by MarketBeat.com Staff. 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