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Disclosery

BY BYLINE BANCORP INC

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COM (common), issuer CIK 1702750

171 managers (174 13F filers) reported a position in BY shares at 2025-09-30, 24,349,512 shares in all. 25 filers opened a position and 21 filers sold out during the quarter.

Managers
171
13F filers
174
New
25
Added
75
Reduced
49
Sold out
21
Shares held by filers
24,349,512

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, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, 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.2,846,914$78.9M<0.01%+508,64513F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP2,322,339$64.4M0.01%+24,50713F-HRTimelineGroup
VANGUARD GROUP INCin group VANGUARD GROUP INC1,774,821$49.2M<0.01%-43,38413F-HRTimelineGroup
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…1,236,290$34.3M0.01%-487,64613F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP988,046$27.4M<0.01%+158,35613F-HRTimelineGroup
FMR LLCin group FMR LLC972,073$27M<0.01%-68,01113F-HRTimelineGroup
Aristotle Capital Boston, LLCin group ARISTOTLE INVESTMENT SERVICES…886,324$24.6M1.27%-6,98913F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC803,287$22.3M0.01%+68,23013F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC750,334$20.8M<0.01%+132,97413F-HRTimelineGroup
Boston Partnersin group Boston Trust Walden Corp732,805$20.3M0.02%+34113F-HRTimelineGroup
Ararat Capital Management LP679,116$18.8M10.1%-106,07613F-HRTimeline
T. Rowe Price Investment Management, In…596,954$16.6M0.01%+12913F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO588,359$16.3M<0.01%+140,21913F-HR/ATimelineGroup
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.491,510$13.6M0.02%+3,27313F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC480,953$13.3M0.01%+315,69013F-HRTimelineGroup
Nuveen, LLCin group TIAA473,399$13.1M<0.01%+223,29013F-HRTimelineGroup
BRIDGEWAY CAPITAL MANAGEMENT, LLC469,977$13M0.28%-18,61913F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC419,127$11.6M0.01%-135,12013F-HRTimelineGroup
Qube Research & Technologies Ltd358,536$9.94M0.01%+129,03213F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP281,787$7.81M<0.01%+47,62713F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding274,705$7.62M-48,382Timeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co271,443$7.53M<0.01%+51,60313F-HRTimelineGroup
MALTESE CAPITAL MANAGEMENT LLCin group MALTESE CAPITAL MANAGEMENT LLC215,000$5.96M0.9%-41,60013F-HRTimelineGroup
Detalus Advisors, LLC202,442$5.61M1.45%-1,10013F-HRTimeline
UBS Group AGgroup of 2 filers holding190,595$5.29M+38,225Timeline
MORGAN STANLEYin group MORGAN STANLEY180,118$4.99M<0.01%+41,98613F-HR/ATimelineGroup
Empowered Funds, LLC178,377$4.95M0.05%+10,88113F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp171,535$4.76M<0.01%+3,96813F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC167,689$4.65M<0.01%-30,25113F-HRTimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO166,824$4.63M<0.01%-7,00013F-HRTimelineGroup
ENDEAVOUR CAPITAL ADVISORS INC156,817$4.35M1.32%+6,81713F-HRTimeline
Cubist Systematic Strategies, LLC139,845$3.88M0.05%+23,68913F-HRTimeline
Curi Capital, LLC138,041$3.83M0.07%013F-HRTimeline
BARTLETT & CO. WEALTH MANAGEMENT LLC134,158$3.72M0.05%013F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC131,689$3.65M<0.01%-75,05913F-HRTimelineGroup
MENDON CAPITAL ADVISORS CORP125,000$3.47M1.58%013F-HRTimeline
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP118,067$3.27M<0.01%-45,61813F-HRTimelineGroup
TUDOR INVESTMENT CORP ET AL116,780$3.24M0.02%+29,00813F-HR/ATimeline
JACOBS LEVY EQUITY MANAGEMENT, INC115,725$3.21M0.01%-1,19913F-HRTimeline
Franklin Resourcesgroup of 2 filers holding113,303$3.14M+15,271Timeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/110,400$3.06M<0.01%+11,87513F-HR/ATimelineGroup
Creative Planningin group Creative Planning106,912$2.96M<0.01%+31,85113F-HRTimelineGroup
ExodusPoint Capital Management, LP103,087$2.86M0.04%-41,44013F-HRTimeline
ALLIANCEBERNSTEIN L.P.96,091$2.66M<0.01%-15,55013F-HRTimeline
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …95,557$2.65M<0.01%-9,31813F-HRTimelineGroup
DENALI ADVISORS LLC95,041$2.64M0.3%+5,75513F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC86,700$2.4M<0.01%-41,60013F-HRTimeline
BLAIR WILLIAM & CO/IL79,124$2.19M0.01%+71,40113F-HRTimeline
Burkehill Global Management, LP75,000$2.08M0.12%013F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…71,116$1.97M<0.01%+17,33513F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC68,720$1.91M<0.01%-5,59913F-HR/ATimelineGroup
Swiss National Bank62,100$1.72M<0.01%+10,30013F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC62,085$1.72M<0.01%+38513F-HRTimelineGroup
FIDUCIENT ADVISORS LLC61,250$1.7M0.2%-22,30813F-HRTimeline
Trexquant Investment LP57,098$1.58M0.02%+20,43813F-HRTimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP56,329$1.56M<0.01%+9,58013F-HRTimelineGroup
IEQ CAPITAL, LLC55,060$1.53M<0.01%+45,62013F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC51,633$1.43M<0.01%+11,30713F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.50,552$1.4M<0.01%+55813F-HRTimelineGroup
NorthCoast Asset Management LLC47,720$1.32M0.01%+1813F-HRTimeline
RHUMBLINE ADVISERS47,610$1.32M<0.01%-2,21913F-HRTimeline
Cambridge Investment Research Advisors,…46,918$1.3M<0.01%013F-HRTimeline
Rafferty Asset Management, LLC40,894$1.13M<0.01%+16,74713F-HRTimeline
BANC FUNDS CO LLC39,157$1.09M0.19%-68,45513F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND37,009$1.03M<0.01%+3,60013F-HRTimeline
HighTower Advisors, LLC36,341$1.01M<0.01%+28,10313F-HRTimeline
PDT Partners, LLC35,415$982K0.06%+4,01513F-HRTimeline
WEDGE CAPITAL MANAGEMENT L L P/NC33,371$925K0.02%-1113F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc31,218$866K<0.01%+1,64113F-HRTimelineGroup
Connor, Clark & Lunn Investment Managem…30,808$854K<0.01%-33,75213F-HRTimeline
Verition Fund Management LLC30,541$847K<0.01%+4,48113F-HRTimeline
QUATTRO FINANCIAL ADVISORS LLC30,000$832K0.26%013F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC29,889$824K<0.01%new13F-HRTimelineGroup
GSA CAPITAL PARTNERS LLP28,892$801K0.07%+10,71513F-HRTimeline
CITIGROUP INCin group CITIGROUP INC28,152$781K<0.01%-1,20313F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC27,474$762K<0.01%-130,67013F-HRTimelineGroup
Engineers Gate Manager LP27,157$753K0.01%new13F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.24,947$692K<0.01%-38,42813F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…24,573$681K<0.01%+113F-HRTimeline
CWM, LLCin group CWM, LLC24,359$675K<0.01%+20,70913F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\24,184$671K<0.01%+3,88713F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN24,044$667K<0.01%+6,53313F-HRTimelineGroup
Quantbot Technologies LP21,524$597K0.02%+6,73613F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…19,780$548K<0.01%013F-HRTimeline
SG Americas Securities, LLC18,850$523K<0.01%+12,25813F-HRTimeline
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.18,595$516K<0.01%new13F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…18,473$512K<0.01%-18513F-HRTimelineGroup
AlphaQuest LLC18,117$502K0.03%-7,73713F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…17,586$488K<0.01%+58813F-HRTimelineGroup
Campbell & CO Investment Adviser LLC17,516$486K0.04%-7,94513F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …17,172$476K<0.01%+35713F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/16,800$466K<0.01%+3,22013F-HRTimeline
Inspire Investing, LLCin group Inspire Investing, LLC16,432$456K0.04%+1,90613F-HRTimelineGroup
WEALTH ENHANCEMENT ADVISORY SERVICES, L…16,385$455K<0.01%new13F-HRTimeline
EMERALD MUTUAL FUND ADVISERS TRUSTin group EMERALD ADVISERS, LLC16,270$451K0.02%013F-HRTimelineGroup
Aquatic Capital Management LLC16,114$447K0.01%+1,47113F-HRTimeline
Capstone Financial Advisors, Inc.15,871$440K0.02%013F-HRTimeline
Sterling Capital Management LLC15,804$438K0.01%+1,42713F-HRTimeline
MERCER GLOBAL ADVISORS INC /ADV15,749$437K<0.01%new13F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC15,741$436K<0.01%-16,49913F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS14,986$416K<0.01%+7,23513F-HRTimelineGroup
Quantinno Capital Management LP14,980$415K<0.01%new13F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…14,645$406K<0.01%-29,94313F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…14,570$404K<0.01%-38013F-HRTimelineGroup
Jackson Creek Investment Advisors LLC14,309$397K0.11%-3113F-HRTimeline
EntryPoint Capital, LLC13,957$387K0.15%new13F-HRTimeline
DRW Securities, LLC13,228$373K0.02%new13F-HRTimeline
Balyasny Asset Management L.P.in group Balyasny Asset Management13,457$373K<0.01%new13F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC13,430$372K<0.01%-4,59313F-HRTimeline
Mariner, LLCin group Mariner, LLC12,865$357K<0.01%new13F-HRTimelineGroup
MOSAIC FINANCIAL GROUP, LLC11,325$314K0.22%013F-HRTimeline
PRINCETON CAPITAL MANAGEMENT LLC11,200$311K0.08%013F-HRTimeline
STRS OHIO11,100$308K<0.01%new13F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…11,095$308K<0.01%013F-HRTimeline
Arax Advisory Partners10,712$297K<0.01%new13F-HRTimeline
Jump Financial, LLCin group Jump Financial, LLC10,504$291K<0.01%new13F-HR/ATimelineGroup
HARBOR CAPITAL ADVISORS, INC.10,414$289K0.02%+55813F-HRTimeline
Numerai GP LLC10,415$289K0.04%new13F-HRTimeline
VIRTUS ADVISERS, LLCin group Virtus Investment Advisers, L…10,179$282K0.16%013F-HR/ATimelineGroup
JANUS HENDERSON GROUP PLCin group Janus Henderson10,115$280K<0.01%013F-HRTimelineGroup
COMERICA BANK9,963$276K<0.01%+2,50013F-HRTimeline
AXA Investment Managers S.A.9,517$264K<0.01%13F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM9,470$263K<0.01%+1,64613F-HRTimeline
Police & Firemen's Retirement System of…8,326$231K<0.01%+1,21213F-HRTimeline
Chicago Partners Investment Group LLC8,251$225K0.01%+44013F-HRTimeline
FIRST AMERICAN BANK7,932$220K0.01%013F-HRTimeline
Cerity Partners LLCin group Cerity Partners LLC7,531$209K<0.01%new13F-HRTimelineGroup
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.7,412$206K<0.01%-67613F-HRTimelineGroup
KLP KAPITALFORVALTNING AS7,100$197K<0.01%+2,00013F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA6,793$188K<0.01%+1,40113F-HRTimelineGroup
QUADRANT CAPITAL GROUP LLC6,259$174K0.01%new13F-HRTimeline
State of Tennessee, Department of Treas…5,850$162K<0.01%new13F-HRTimeline
LSV ASSET MANAGEMENT5,000$139K<0.01%new13F-HRTimeline
GLOBEFLEX CAPITAL L P4,095$114K0.02%013F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co4,012$112K<0.01%013F-HRTimelineGroup
Farther Finance Advisors, LLC3,051$84.6K<0.01%+64313F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…2,860$79.3K<0.01%+2,68913F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…2,620$72.7K<0.01%-43113F-HRTimelineGroup
NEW YORK STATE TEACHERS RETIREMENT SYST…2,466$68K<0.01%-27613F-HRTimeline
Parkside Financial Bank & Trust2,068$57.3K<0.01%-10713F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,901$52.7K<0.01%-2,00313F-HRTimelineGroup
State of Alaska, Department of Revenue1,676$46K<0.01%new13F-HRTimeline
Essential Partners LLC1,469$40.7K0.01%+1,41413F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…1,095$30.4K<0.01%+54613F-HRTimelineGroup
AMALGAMATED BANK1,079$30K<0.01%013F-HRTimeline
Clearstead Advisors, LLC862$23.9K<0.01%+32413F-HRTimeline
Allworth Financial LP848$23.5K<0.01%+62913F-HRTimeline
Quarry LP670$18.6K<0.01%+5613F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\437$12.1K<0.01%-3,84913F-HRTimelineGroup
Smartleaf Asset Management LLC366$10.2K<0.01%+25613F-HRTimeline
GAMMA Investing LLC365$10.1K<0.01%+613F-HRTimeline
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …300$8K<0.01%013F-HRTimelineGroup
Covestor Ltd289$8K<0.01%-16213F-HRTimeline
IFP Advisors, Inc204$5.66K<0.01%+8413F-HR/ATimeline
Point72 Europe (London) LLP186$5.16K<0.01%new13F-HRTimeline
True Wealth Design, LLC165$4.58K<0.01%+14713F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.158$4.38K<0.01%new13F-HRTimelineGroup
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK154$4.27K<0.01%013F-HRTimelineGroup
Parallel Advisors, LLC135$3.74K<0.01%013F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP131$3.71K<0.01%013F-HRTimelineGroup
ROTHSCHILD INVESTMENT LLC126$3.49K<0.01%+10613F-HRTimeline
SIMPLEX TRADING, LLC113$3K<0.01%+1313F-HRTimeline
SIGNATUREFD, LLC104$2.88K<0.01%-1013F-HRTimeline
MAI Capital Management48$1.33K<0.01%-12913F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.36$998<0.01%+813F-HRTimelineGroup
MassMutual Private Wealth & Trust, FSB31$860<0.01%013F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…30$832<0.01%new13F-HRTimelineGroup
Bruce G. Allen Investments, LLC21$582<0.01%-113F-HRTimeline
NISA INVESTMENT ADVISORS, LLC19$527<0.01%013F-HRTimeline
Sunbelt Securities, Inc.18$499<0.01%new13F-HRTimeline
Caitong International Asset Management …3$83<0.01%new13F-HRTimeline