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Disclosery

BY BYLINE BANCORP INC

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COM (common), issuer CIK 1702750

181 managers (188 13F filers) reported a position in BY shares at 2026-03-31, 25,027,318 shares in all. 23 filers opened a position and 16 filers sold out during the quarter.

Managers
181
13F filers
188
New
23
Added
67
Reduced
56
Sold out
16
Shares held by filers
25,027,318

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.3,294,923$104M<0.01%+13,65013F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP2,366,600$74.7M0.02%+36,59813F-HRTimelineGroup
VANGUARD GROUP INCgroup of 6 filers holding1,850,037$58.4MnewTimeline
STATE STREET CORPin group STATE STREET CORP1,031,062$32.6M<0.01%+34,02213F-HRTimelineGroup
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…1,023,948$32.3M0.01%-170,05113F-HRTimelineGroup
Boston Partnersin group Boston Trust Walden Corp918,449$29.1M0.03%+211,70813F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC905,189$28.6M0.01%+64,60213F-HRTimelineGroup
FMR LLCin group FMR LLC826,069$26.1M<0.01%-129,64913F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC788,033$24.9M<0.01%+23,88913F-HRTimelineGroup
Aristotle Capital Boston, LLCin group ARISTOTLE INVESTMENT SERVICES…674,784$21.3M1.32%-126,44313F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC665,386$21M0.01%+160,44313F-HRTimelineGroup
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.624,421$19.7M0.03%+50,76913F-HRTimelineGroup
Ararat Capital Management LP623,772$19.7M11.09%-27,42413F-HRTimeline
T. Rowe Price Investment Management, In…614,709$19.4M0.01%+37,50513F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO459,417$14.3M<0.01%-110,94713F-HR/ATimelineGroup
Nuveen, LLCin group TIAA424,867$13.4M<0.01%-25,57213F-HRTimelineGroup
BRIDGEWAY CAPITAL MANAGEMENT, LLC423,525$13.4M0.27%-4,00013F-HRTimeline
Qube Research & Technologies Ltd341,527$10.8M0.02%-3,48813F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC299,441$9.45M<0.01%+23,26013F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC287,664$9.08M0.01%+128,23613F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY281,991$8.9M<0.01%-59,65213F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co268,447$8.47M<0.01%-2,86813F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP266,412$8.41M<0.01%+7,35013F-HRTimelineGroup
Assenagon Asset Management S.A.227,317$7.18M0.01%new13F-HRTimeline
MALTESE CAPITAL MANAGEMENT LLCin group MALTESE CAPITAL MANAGEMENT LLC220,615$6.96M1.37%-44,38513F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding213,423$6.74M+68,560Timeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP206,954$6.53M0.01%+30,40113F-HRTimelineGroup
Empowered Funds, LLC202,525$6.39M0.04%new13F-HR/ATimeline
Detalus Advisors, LLC199,774$6.31M1.44%-4,77513F-HRTimeline
ENDEAVOUR CAPITAL ADVISORS INC180,642$5.7M1.29%+25,50213F-HRTimeline
DENALI ADVISORS LLC167,416$5.29M0.59%+41,66413F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp163,344$5.16M<0.01%-2,12213F-HRTimelineGroup
Curi Capital, LLC144,258$4.55M0.08%+5,95213F-HRTimeline
Creative Planningin group Creative Planning143,176$4.52M<0.01%+20,67013F-HRTimelineGroup
BARTLETT & CO. WEALTH MANAGEMENT LLC134,158$4.3M0.05%013F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/135,836$4.29M<0.01%+13,76313F-HRTimelineGroup
ZACKS INVESTMENT MANAGEMENT131,005$4.14M0.03%new13F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO129,589$4.09M<0.01%-1,87913F-HRTimelineGroup
Mariner, LLCin group Mariner, LLC129,029$4.07M<0.01%+37,14213F-HRTimelineGroup
MENDON CAPITAL ADVISORS CORP125,000$3.95M1.53%013F-HRTimeline
TUDOR INVESTMENT CORP ET AL120,385$3.8M0.02%+21,04613F-HRTimeline
JACOBS LEVY EQUITY MANAGEMENT, INC117,845$3.72M0.02%+6,22413F-HRTimeline
FIDUCIENT ADVISORS LLC114,272$3.61M0.47%+32,50513F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources103,246$3.26M<0.01%+82,00013F-HRTimelineGroup
Trexquant Investment LP101,590$3.21M0.02%+38,69213F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…89,229$2.82M0.01%013F-HRTimelineGroup
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP86,509$2.73M<0.01%+1,77913F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.87,511$2.55M<0.01%-2,00013F-HRTimeline
BLAIR WILLIAM & CO/IL75,986$2.4M0.01%-6,95313F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 2 filers holding75,369$2.38M+55,499Timeline
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …72,189$2.28M<0.01%-22,04213F-HRTimelineGroup
Swiss National Bank67,900$2.14M<0.01%013F-HRTimeline
IEQ CAPITAL, LLC66,558$2.1M0.01%+8,53313F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND57,309$1.81M<0.01%+10,90013F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC56,087$1.77M<0.01%-4,08513F-HR/ATimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC55,022$1.74M<0.01%-8,04313F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.52,032$1.64M<0.01%+89413F-HRTimelineGroup
Focus Partners Wealthin group Focus Partners Wealth51,652$1.63M<0.01%+63113F-HRTimelineGroup
Man Group plcin group Man Group plc50,614$1.6M<0.01%new13F-HRTimelineGroup
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.47,890$1.51M<0.01%-80,88213F-HRTimelineGroup
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC46,430$1.47M<0.01%new13F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC45,647$1.44M<0.01%-36,71913F-HRTimelineGroup
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC44,816$1.42M<0.01%-25,68613F-HRTimelineGroup
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC43,695$1.38M<0.01%-13,51013F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN43,550$1.37M<0.01%-23,48413F-HR/ATimelineGroup
RHUMBLINE ADVISERS42,719$1.35M<0.01%-51713F-HRTimeline
BANC FUNDS CO LLC34,157$1.08M0.2%-5,00013F-HRTimeline
Engineers Gate Manager LP31,306$988K0.01%new13F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…31,294$988K<0.01%-26713F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS31,287$988K<0.01%+6,36213F-HRTimelineGroup
QUATTRO FINANCIAL ADVISORS LLC30,000$947K0.29%013F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\29,873$943K<0.01%+4,01413F-HRTimelineGroup
WEDGE CAPITAL MANAGEMENT L L P/NC29,499$931K0.02%-3,73213F-HRTimeline
PDT Partners, LLC27,315$862K0.05%-2,40013F-HRTimeline
CWM, LLCin group CWM, LLC27,279$861K<0.01%+2,26313F-HRTimelineGroup
CANADA PENSION PLAN INVESTMENT BOARD26,000$821K<0.01%013F-HRTimeline
CITIGROUP INCin group CITIGROUP INC25,048$791K<0.01%-45713F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc24,532$774K<0.01%-6,09613F-HRTimelineGroup
Cambridge Investment Research Advisors,…23,518$742K<0.01%013F-HRTimeline
Y-Intercept (Hong Kong) Ltd23,323$736K0.01%-12,68713F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/22,969$726K<0.01%+4,78013F-HRTimeline
Rafferty Asset Management, LLC22,524$711K<0.01%-5,90013F-HRTimeline
TEACHER RETIREMENT SYSTEM OF TEXAS22,446$709K<0.01%new13F-HRTimeline
Campbell & CO Investment Adviser LLC22,068$697K0.04%-4,94213F-HRTimeline
Abacus Wealth Partners, LLC21,093$666K0.06%+77113F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson19,547$618K<0.01%-6813F-HR/ATimelineGroup
Quantinno Capital Management LP19,396$612K<0.01%+3,02613F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…18,473$583K<0.01%013F-HRTimelineGroup
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…17,415$550K<0.01%-46513F-HRTimelineGroup
SG Americas Securities, LLC16,988$536K<0.01%-18,74313F-HRTimeline
PRINCETON CAPITAL MANAGEMENT LLC16,487$520K0.14%+1,28713F-HRTimeline
ALPS ADVISORS INCin group ALPS ADVISORS INC16,240$513K<0.01%new13F-HRTimelineGroup
Inspire Investing, LLCin group Inspire Investing, LLC16,137$509K0.03%+10713F-HRTimelineGroup
Capstone Financial Advisors, Inc.16,040$506K0.03%+16913F-HRTimeline
MERCER GLOBAL ADVISORS INC /ADV15,950$504K<0.01%+2,36813F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…15,681$500K<0.01%-42013F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …15,532$490K<0.01%-70413F-HRTimelineGroup
HighTower Advisors, LLC14,964$472K<0.01%-11,45613F-HRTimeline
Balyasny Asset Management L.P.in group Balyasny Asset Management14,648$462K<0.01%new13F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…14,481$457K<0.01%-11113F-HRTimelineGroup
Jackson Creek Investment Advisors LLC14,079$444K0.13%-2313F-HRTimeline
EntryPoint Capital, LLC13,957$441K0.13%013F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…13,610$430K<0.01%-8,52013F-HRTimeline
DARK FOREST CAPITAL MANAGEMENT LP12,488$394K0.04%new13F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd12,484$394K0.01%new13F-HRTimelineGroup
STRS OHIO11,700$369K<0.01%013F-HRTimeline
MOSAIC FINANCIAL GROUP, LLC11,325$358K0.25%013F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…11,095$350K<0.01%013F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC10,731$339K<0.01%-6,54213F-HRTimelineGroup
ZEVIN ASSET MANAGEMENT LLC10,624$335K0.05%013F-HRTimeline
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …10,211$322K<0.01%+20113F-HRTimelineGroup
VIRTUS ADVISERS, LLCin group Virtus Investment Advisers, L…10,179$321K0.15%013F-HRTimelineGroup
Aigen Investment Management, LP10,115$319K0.08%-5,71013F-HRTimeline
Sterling Capital Management LLC9,677$306K0.01%-5,77213F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM9,448$298K<0.01%-17513F-HRTimeline
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…9,005$284K<0.01%new13F-HRTimelineGroup
Chicago Partners Investment Group LLC8,559$283K0.01%+26813F-HRTimeline
CIBC Bancorp USA Inc.in group CIBC Bancorp USA Inc.8,968$283K<0.01%13F-HRTimelineGroup
Police & Firemen's Retirement System of…8,326$263K<0.01%013F-HRTimeline
Cerity Partners LLCin group Cerity Partners LLC8,311$262K<0.01%+1,13013F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC8,047$254K<0.01%-3,44513F-HRTimeline
FIRST AMERICAN BANK7,932$250K0.02%013F-HRTimeline
KLP KAPITALFORVALTNING AS7,800$246K<0.01%+70013F-HRTimeline
MQS Management LLC7,392$233K0.16%-2,39113F-HRTimeline
Cornerstone Investment Partners, LLC7,366$233K0.01%new13F-HRTimeline
Oceanside Advisors LLC7,100$224K0.13%013F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…7,074$223K<0.01%013F-HRTimeline
SIGNET FINANCIAL MANAGEMENT, LLC6,635$209K0.02%new13F-HRTimeline
DEARBORN PARTNERS LLC6,390$202K0.01%new13F-HRTimeline
Cresset Asset Management, LLC6,390$202K<0.01%-88,97813F-HRTimeline
QUADRANT CAPITAL GROUP LLC6,368$201K0.01%-13413F-HR/ATimeline
LSV ASSET MANAGEMENT5,000$158K<0.01%013F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…4,811$152K<0.01%+1,14413F-HRTimelineGroup
GLOBEFLEX CAPITAL L P4,095$129K0.02%013F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co4,012$127K<0.01%013F-HRTimelineGroup
Parkside Financial Bank & Trust3,190$101K0.01%+80913F-HRTimeline
Farther Finance Advisors, LLC2,951$94.2K<0.01%-21013F-HRTimeline
NEW YORK STATE TEACHERS RETIREMENT SYST…2,864$90K<0.01%013F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…2,620$82.7K<0.01%013F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA2,332$73K<0.01%+85913F-HRTimelineGroup
Aquatic Capital Management LLC1,679$53K<0.01%-2,43513F-HRTimeline
State of Alaska, Department of Revenue1,676$52K<0.01%013F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,617$51K<0.01%+5213F-HRTimelineGroup
Cullen/Frost Bankers, Inc.in group Cullen/Frost Bankers, Inc.1,536$48.5K<0.01%new13F-HRTimelineGroup
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…1,317$41.6K<0.01%+14613F-HR/ATimelineGroup
Essential Partners LLC1,196$37.8K0.01%-33913F-HRTimeline
Allworth Financial LP1,126$35.5K<0.01%+16813F-HRTimeline
Advisory Services Network, LLC1,095$34.6K<0.01%new13F-HRTimeline
HARBOR CAPITAL ADVISORS, INC.1,003$32K<0.01%-9,02413F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP666$20.5K<0.01%+49913F-HRTimelineGroup
US BANCORP \DE\in group US BANCORP \DE\529$16.7K<0.01%+4413F-HRTimelineGroup
Smartleaf Asset Management LLC487$15.2K<0.01%013F-HRTimeline
GAMMA Investing LLC433$13.7K<0.01%+2413F-HRTimeline
IFP Advisors, Inc428$13.5K<0.01%013F-HRTimeline
MAI Capital Management382$12.1K<0.01%+30513F-HRTimeline
MEEDER ASSET MANAGEMENT INCin group Meeder Advisory Services, Inc.308$9.72K<0.01%new13F-HRTimelineGroup
ROTHSCHILD INVESTMENT LLC286$9.03K<0.01%+9513F-HRTimeline
Covestor Ltd295$9K0.01%+1913F-HRTimeline
Pinnacle Wealth Planning Services, Inc.187$5.9K<0.01%013F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK154$4.86K<0.01%013F-HRTimelineGroup
Basecamp Wealth Advisors LLC149$4.7K<0.01%+3713F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC146$4.61K<0.01%013F-HRTimeline
Parallel Advisors, LLC135$4.26K<0.01%013F-HR/ATimeline
Optiver Holding B.V.in group Optiver Holding B.V.126$3.98K<0.01%+8013F-HR/ATimelineGroup
True Wealth Design, LLC118$3.73K<0.01%+213F-HRTimeline
SIGNATUREFD, LLC104$3.28K<0.01%-1513F-HRTimeline
ZIONS BANCORPORATION, NATIONAL ASSOCIAT…97$3.06K<0.01%new13F-HRTimeline
Arax Advisory Partners75$2.37K<0.01%+7213F-HRTimeline
Versant Capital Management, Inc72$2.27K<0.01%new13F-HRTimeline
Physician Wealth Advisors, Inc.65$2.05K<0.01%013F-HRTimeline
NISA INVESTMENT ADVISORS, LLC44$1.39K<0.01%+2513F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.38$1.2K<0.01%013F-HRTimelineGroup
Root Financial Partners, LLC36$1.14K<0.01%new13F-HRTimeline
Bruce G. Allen Investments, LLC34$1.07K<0.01%+1013F-HRTimeline
Bare Financial Services, Inc34$1.07K<0.01%+1613F-HRTimeline
Trust Co21$663<0.01%013F-HRTimeline
SJS Investment Consulting Inc.18$569<0.01%+513F-HRTimeline
JPL Wealth Management, LLC16$506<0.01%new13F-HR/ATimeline
MassMutual Private Wealth & Trust, FSB16$505<0.01%013F-HRTimeline
Caitong International Asset Management …12$379<0.01%+1113F-HRTimeline
Sunbelt Securities, Inc.5$158<0.01%013F-HRTimeline