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Byline Bancorp, Inc.

BY
Exchange
NYSE
Industry
State Commercial Banks
SEC CIK
0001702750

In the last 90 days, Byline Bancorp, Inc. insiders filed 2 open-market purchases and 3 sales; 208 institutions reported holding it in 13F filings for Q2 2026, worth $1.02B in total; no superinvestor holds it.

13F holders, Q2 2026

Institutional positions in Byline Bancorp, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
208
+24 vs. Q1 2026
Shares held
25.0M
−9.25K (0.0%) vs. Q1 2026
Total value
$1.02B
+$228.2M (+29.0%) vs. Q1 2026
New holders
35
82 more added
Sold out
11
56 more reduced

4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting BY on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 208 institutions
Q1 2021: 95 institutionsQ2 2021: 103 institutionsQ3 2021: 110 institutionsQ4 2021: 118 institutionsQ1 2022: 129 institutionsQ2 2022: 117 institutionsQ3 2022: 121 institutionsQ4 2022: 108 institutionsQ1 2023: 111 institutionsQ2 2023: 107 institutionsQ3 2023: 118 institutionsQ4 2023: 130 institutionsQ1 2024: 132 institutionsQ2 2024: 133 institutionsQ3 2024: 139 institutionsQ4 2024: 141 institutionsQ1 2025: 148 institutionsQ2 2025: 169 institutionsQ3 2025: 174 institutionsQ4 2025: 178 institutionsQ1 2026: 188 institutionsQ2 2026: 208 institutions
Value heldQ2 2026: $1.02B
Q1 2021: $322.5MQ2 2021: $356.7MQ3 2021: $394.1MQ4 2021: $463.9MQ1 2022: $456.3MQ2 2022: $416.6MQ3 2022: $360.3MQ4 2022: $423.8MQ1 2023: $411.8MQ2 2023: $327.1MQ3 2023: $350.8MQ4 2023: $451.4MQ1 2024: $412.9MQ2 2024: $450.2MQ3 2024: $528.4MQ4 2024: $580.9MQ1 2025: $528.4MQ2 2025: $640.4MQ3 2025: $691.5MQ4 2025: $719.2MQ1 2026: $789.9MQ2 2026: $1.02B
Institutions holding BY and their total value by quarter
QuarterHoldersValue
Q2 2026208$1.02B
Q1 2026188$789.9M
Q4 2025178$719.2M
Q3 2025174$691.5M
Q2 2025169$640.4M
Q1 2025148$528.4M
Q4 2024141$580.9M
Q3 2024139$528.4M
Q2 2024133$450.2M
Q1 2024132$412.9M
Q4 2023130$451.4M
Q3 2023118$350.8M
Q2 2023107$327.1M
Q1 2023111$411.8M
Q4 2022108$423.8M
Q3 2022121$360.3M
Q2 2022117$416.6M
Q1 2022129$456.3M
Q4 2021118$463.9M
Q3 2021110$394.1M
Q2 2021103$356.7M
Q1 202195$322.5M

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Byline Bancorp, Inc.; share changes are against Q1 2026.

Institutions holding BY in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.3,510,896$132.2M0.00%+215,973+6.6%Added
Dimensional Fund Advisors LP2,424,824$91.3M0.02%+58,224+2.5%Added
GFS Advisors, LLC55$76.8M4.05%+55New
T. Rowe Price Investment Management, Inc.1,495,588$56.3M0.04%+880,879+143.3%Added
Vanguard Capital Management LLC1,191,625$44.9M0.00%−66,974−5.3%Reduced
State Street Corp1,089,293$41.0M0.00%+58,231+5.6%Added
American Century Companies Inc1,009,951$38.0M0.02%+104,762+11.6%Added
Boston Partners883,689$33.2M0.03%−34,760−3.8%Reduced
Federated Hermes, Inc.857,825$32.3M0.05%+233,404+37.4%Added
AQR Capital Management LLC813,855$30.6M0.01%+148,469+22.3%Added
Geode Capital Management, LLC810,208$30.5M0.00%+22,175+2.8%Added
JPMorgan Chase & Co507,652$19.1M0.00%+48,235+10.5%Added
Ararat Capital Management, LP490,609$18.5M8.65%−133,163−21.3%Reduced
Wellington Management Group LLP488,460$18.4M0.00%−535,488−52.3%Reduced
Nuveen, LLC437,302$16.5M0.00%+12,435+2.9%Added
Bridgeway Capital Management, LLC424,253$16.0M0.28%+728+0.2%Added
Vanguard Portfolio Management LLC362,683$13.7M0.00%+26,844+8.0%Added
Two Sigma Investments, LP350,081$13.2M0.01%+143,127+69.2%Added
Morgan Stanley301,094$11.3M0.00%+19,103+6.8%Added
Northern Trust Corp295,900$11.1M0.00%+29,488+11.1%Added
Charles Schwab Investment Management Inc269,067$10.1M0.00%+620+0.2%Added
Millennium Management LLC250,593$9.44M0.01%−37,071−12.9%Reduced
Arrowstreet Capital, Limited Partnership245,280$9.24M0.00%+173,091+239.8%Added
Endeavour Capital Advisors Inc238,671$8.99M1.84%+58,029+32.1%Added
Qube Research & Technologies Ltd219,168$8.25M0.01%−122,359−35.8%Reduced
Empowered Funds, LLC213,253$8.03M0.04%+10,728+5.3%Added
Goldman Sachs Group Inc212,551$8.00M0.00%−86,890−29.0%Reduced
Vanguard Fiduciary Trust Co210,966$7.94M0.00%+4,055+2.0%Added
Detalus Advisors, LLC196,050$7.38M1.44%−3,724−1.9%Reduced
Denali Advisors LLC185,516$6.99M0.70%+18,100+10.8%Added
FMR LLC182,355$6.87M0.00%−643,714−77.9%Reduced
Bank of New York Mellon Corp167,130$6.29M0.00%+3,786+2.3%Added
Creative Planning163,467$6.16M0.00%+20,291+14.2%Added
Thrivent Financial for Lutherans157,091$5.92M0.01%+67,862+76.1%Added
Bank of America Corp151,407$5.70M0.00%+15,571+11.5%Added
RMB Capital Management, LLC143,042$5.39M0.08%−1,216−0.8%Reduced
Zacks Investment Management139,641$5.26M0.04%+8,636+6.6%Added
Mariner, LLC137,192$5.17M0.01%+8,163+6.3%Added
Bartlett & Co. Wealth Management LLC134,158$5.05M0.06%00.0%Unchanged
Maltese Capital Management LLC130,000$4.90M0.89%−90,615−41.1%Reduced
Mendon Capital Advisors Corp125,000$4.71M1.66%00.0%Unchanged
First Trust Advisors LP123,776$4.66M0.00%+37,267+43.1%Added
Franklin Resources Inc110,959$4.18M0.00%+7,713+7.5%Added
Fiducient Advisors LLC110,850$4.17M0.60%−3,422−3.0%Reduced
Jacobs Levy Equity Management, Inc106,896$4.03M0.01%−10,949−9.3%Reduced
Trexquant Investment LP98,544$3.71M0.02%−3,046−3.0%Reduced
UBS Group AG96,743$3.64M0.00%−61,692−38.9%Reduced
Point72 Asset Management, L.P.90,304$3.40M0.01%+42,414+88.6%Added
Man Group plc88,827$3.35M0.01%+38,213+75.5%Added
Renaissance Technologies LLC80,600$3.04M0.00%+80,600New
Blair William & Co79,924$3.01M0.01%+3,938+5.2%Added
Citadel Advisors LLC73,908$2.78M0.00%+18,886+34.3%Added
Tudor Investment Corp Et Al68,297$2.57M0.01%−52,088−43.3%Reduced
Ieq Capital, LLC67,013$2.52M0.01%+455+0.7%Added
Swiss National Bank66,300$2.50M0.00%−1,600−2.4%Reduced
UBS Asset Management Americas Inc58,133$2.19M0.00%+3,145+5.7%Added
New York State Common Retirement Fund57,309$2.16M0.00%00.0%Unchanged
Wells Fargo & Company56,879$2.14M0.00%+13,329+30.6%Added
Ameriprise Financial Inc55,562$2.09M0.00%−525−0.9%Reduced
Colony Group, LLC52,353$1.97M0.00%+701+1.4%Added
Algert Global LLC51,600$1.94M0.02%+51,600New
Campbell & CO Investment Adviser LLC51,493$1.94M0.10%+29,425+133.3%Added
Alliancebernstein L.P.61,011$1.93M0.00%−26,500−30.3%Reduced
Principal Financial Group Inc49,693$1.87M0.00%+3,263+7.0%Added
Invesco Ltd.47,610$1.79M0.00%−4,422−8.5%Reduced
Cambridge Investment Research Advisors, Inc.46,904$1.77M0.00%+23,386+99.4%Added
Rhumbline Advisers45,319$1.71M0.00%+2,600+6.1%Added
BNP Paribas Arbitrage, SA40,327$1.52M0.00%+9,040+28.9%Added
Prudential Financial Inc39,605$1.49M0.00%−4,090−9.4%Reduced
Barclays PLC38,205$1.44M0.00%−7,442−16.3%Reduced
California State Teachers Retirement System32,492$1.22M0.00%+1,198+3.8%Added
XTX Topco Ltd31,999$1.21M0.02%+19,515+156.3%Added
Quattro Financial Advisors LLC30,000$1.13M0.24%00.0%Unchanged
Deutsche Bank AG29,858$1.12M0.00%−15−0.1%Reduced
Citigroup Inc29,144$1.10M0.00%+4,096+16.4%Added
Wedge Capital Management L L P28,868$1.09M0.02%−631−2.1%Reduced
Russell Investments Group, Ltd.28,240$1.06M0.00%+23,429+487.0%Added
Quantinno Capital Management LP28,153$1.06M0.00%+8,757+45.1%Added
Susquehanna Fundamental Investments, LLC28,053$1.06M0.02%+2,900+11.5%Added
PDT Partners, LLC27,315$1.03M0.05%00.0%Unchanged
HSBC Holdings PLC26,758$1.01M0.00%−18,058−40.3%Reduced
Canada Pension Plan Investment Board26,000$979.2K0.00%00.0%Unchanged
Price T Rowe Associates Inc25,813$973.0K0.00%+2,844+12.4%Added
Teacher Retirement System of Texas24,908$938.0K0.00%+2,462+11.0%Added
Legal & General Group Plc24,770$932.8K0.00%+238+1.0%Added
Dark Forest Capital Management LP23,561$887.3K0.06%+11,073+88.7%Added
Vanguard Asset Management, Ltd22,299$839.8K0.00%00.0%Unchanged
Mercer Global Advisors Inc22,217$836.7K0.00%+6,267+39.3%Added
Acadian Asset Management LLC20,981$789.0K0.00%+20,981New
D. E. Shaw & Co., Inc.19,798$745.6K0.00%+19,798New
Vanguard Global Advisers, LLC19,715$742.5K0.00%00.0%Unchanged
Banc Funds Co LLC19,682$741.2K0.12%−14,475−42.4%Reduced
Wealth Enhancement Advisory Services, LLC19,860$739.6K0.00%+4,179+26.7%Added
MetLife Investment Management18,638$701.9K0.00%+165+0.9%Added
Quantbot Technologies LP18,348$691.0K0.03%+18,348New
Susquehanna International Group, LLP18,081$680.9K0.00%−32,135−64.0%Reduced
CWM Advisors, LLC18,056$680.0K0.03%+1,919+11.9%Added
The PNC Financial Services Group, Inc.17,327$652.5K0.00%−88−0.5%Reduced
Brevan Howard Capital Management LP17,180$647.0K0.01%+17,180New
Princeton Capital Management LLC17,074$643.0K0.15%+587+3.6%Added