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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 $938.6M in total; no superinvestor holds it.

13F holders, Q3 2025

Institutional positions in Byline Bancorp, Inc. as of Sep 30, 2025. 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
174
+5 vs. Q2 2025
Shares held
24.3M
+395.6K (+1.7%) vs. Q2 2025
Total value
$675.2M
+$35.0M (+5.5%) vs. Q2 2025
New holders
26
75 more added
Sold out
21
49 more reduced

Compare with Q2 2025: 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 holdersQ3 2025: 174 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 heldQ3 2025: $675.2M
Q1 2021: $322.5MQ2 2021: $356.7MQ3 2021: $394.1MQ4 2021: $460.5MQ1 2022: $456.3MQ2 2022: $416.4MQ3 2022: $360.3MQ4 2022: $417.3MQ1 2023: $396.2MQ2 2023: $327.1MQ3 2023: $350.8MQ4 2023: $430.7MQ1 2024: $395.7MQ2 2024: $442.5MQ3 2024: $513.5MQ4 2024: $580.9MQ1 2025: $528.1MQ2 2025: $640.2MQ3 2025: $675.2MQ4 2025: $710.4MQ1 2026: $789.9MQ2 2026: $938.6M
Institutions holding BY and their total value by quarter
QuarterHoldersValue
Q2 2026208$938.6M
Q1 2026188$789.9M
Q4 2025178$710.4M
Q3 2025174$675.2M
Q2 2025169$640.2M
Q1 2025148$528.1M
Q4 2024141$580.9M
Q3 2024139$513.5M
Q2 2024133$442.5M
Q1 2024132$395.7M
Q4 2023130$430.7M
Q3 2023118$350.8M
Q2 2023107$327.1M
Q1 2023111$396.2M
Q4 2022108$417.3M
Q3 2022121$360.3M
Q2 2022117$416.4M
Q1 2022129$456.3M
Q4 2021118$460.5M
Q3 2021110$394.1M
Q2 2021103$356.7M
Q1 202195$322.5M

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Byline Bancorp, Inc.; share changes are against Q2 2025.

Institutions holding BY in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.2,846,914$78.9M0.00%+508,645+21.8%Added
Dimensional Fund Advisors LP2,322,339$64.4M0.01%+24,507+1.1%Added
Vanguard Group Inc1,774,821$49.2M0.00%−43,384−2.4%Reduced
Wellington Management Group LLP1,236,290$34.3M0.01%−487,646−28.3%Reduced
State Street Corp988,046$27.4M0.00%+158,356+19.1%Added
FMR LLC972,073$27.0M0.00%−68,011−6.5%Reduced
Aristotle Capital Boston, LLC886,324$24.6M1.27%−6,989−0.8%Reduced
American Century Companies Inc803,287$22.3M0.01%+68,230+9.3%Added
Geode Capital Management, LLC750,334$20.8M0.00%+132,974+21.5%Added
Boston Partners732,805$20.3M0.02%+3410.0%Added
Ararat Capital Management, LP679,116$18.8M10.10%−106,076−13.5%Reduced
T. Rowe Price Investment Management, Inc.596,954$16.6M0.01%+1290.0%Added
JPMorgan Chase & Co588,359$16.3M0.00%+140,219+31.3%Added
Federated Hermes, Inc.491,510$13.6M0.02%+3,273+0.7%Added
AQR Capital Management LLC480,953$13.3M0.01%+315,690+191.0%Added
Nuveen, LLC473,399$13.1M0.00%+223,290+89.3%Added
Bridgeway Capital Management, LLC469,977$13.0M0.28%−18,619−3.8%Reduced
Millennium Management LLC419,127$11.6M0.01%−135,120−24.4%Reduced
Qube Research & Technologies Ltd358,536$9.94M0.01%+129,032+56.2%Added
Northern Trust Corp281,787$7.81M0.00%+47,627+20.3%Added
Charles Schwab Investment Management Inc271,443$7.53M0.00%+51,603+23.5%Added
Maltese Capital Management LLC215,000$5.96M0.90%−41,600−16.2%Reduced
Two Sigma Investments, LP209,005$5.80M0.01%−16,682−7.4%Reduced
Detalus Advisors, LLC202,442$5.61M1.45%−1,100−0.5%Reduced
Morgan Stanley180,118$4.99M0.00%+41,986+30.4%Added
Empowered Funds, LLC178,377$4.95M0.05%+10,881+6.5%Added
Bank of New York Mellon Corp171,535$4.76M0.00%+3,968+2.4%Added
Goldman Sachs Group Inc167,689$4.65M0.00%−30,251−15.3%Reduced
SEI Investments Co166,824$4.63M0.00%−7,000−4.0%Reduced
Endeavour Capital Advisors Inc156,817$4.35M1.32%+6,817+4.5%Added
UBS Group AG141,067$3.91M0.00%+79,586+129.4%Added
Cubist Systematic Strategies, LLC139,845$3.88M0.05%+23,689+20.4%Added
RMB Capital Management, LLC138,041$3.83M0.07%00.0%Unchanged
Bartlett & Co. Wealth Management LLC134,158$3.72M0.05%00.0%Unchanged
Citadel Advisors LLC131,689$3.65M0.00%−75,059−36.3%Reduced
Mendon Capital Advisors Corp125,000$3.47M1.58%00.0%Unchanged
First Trust Advisors LP118,067$3.27M0.00%−45,618−27.9%Reduced
Tudor Investment Corp Et Al116,780$3.24M0.02%+29,008+33.0%Added
Jacobs Levy Equity Management, Inc115,725$3.21M0.01%−1,199−1.0%Reduced
Bank of America Corp110,400$3.06M0.00%+11,875+12.1%Added
Creative Planning106,912$2.96M0.00%+31,851+42.4%Added
ExodusPoint Capital Management, LP103,087$2.86M0.04%−41,440−28.7%Reduced
Alliancebernstein L.P.96,091$2.66M0.00%−15,550−13.9%Reduced
Arrowstreet Capital, Limited Partnership95,557$2.65M0.00%−9,318−8.9%Reduced
Denali Advisors LLC95,041$2.64M0.30%+5,755+6.4%Added
Brandywine Global Investment Management, LLC94,515$2.62M0.02%−3,517−3.6%Reduced
Renaissance Technologies LLC86,700$2.40M0.00%−41,600−32.4%Reduced
Blair William & Co79,124$2.19M0.01%+71,401+924.5%Added
Burkehill Global Management, LP75,000$2.08M0.12%00.0%Unchanged
Thrivent Financial for Lutherans71,116$1.97M0.00%+17,335+32.2%Added
Barclays PLC68,720$1.91M0.00%−5,599−7.5%Reduced
Two Sigma Advisers, LP65,700$1.82M0.00%−31,700−32.5%Reduced
Swiss National Bank62,100$1.72M0.00%+10,300+19.9%Added
Prudential Financial Inc62,085$1.72M0.00%+385+0.6%Added
Fiducient Advisors LLC61,250$1.70M0.20%−22,308−26.7%Reduced
Trexquant Investment LP57,098$1.58M0.02%+20,438+55.8%Added
Marshall Wace, LLP56,329$1.56M0.00%+9,580+20.5%Added
Ieq Capital, LLC55,060$1.53M0.00%+45,620+483.3%Added
Ameriprise Financial Inc51,633$1.43M0.00%+11,307+28.0%Added
Invesco Ltd.50,552$1.40M0.00%+558+1.1%Added
UBS Asset Management Americas Inc49,528$1.37M0.00%−41,361−45.5%Reduced
Kovitz Investment Group Partners, LLC47,720$1.32M0.01%+180.0%Added
Rhumbline Advisers47,610$1.32M0.00%−2,219−4.5%Reduced
Cambridge Investment Research Advisors, Inc.46,918$1.30M0.00%00.0%Unchanged
Rafferty Asset Management, LLC40,894$1.13M0.00%+16,747+69.4%Added
Banc Funds Co LLC39,157$1.09M0.19%−68,455−63.6%Reduced
New York State Common Retirement Fund37,009$1.03M0.00%+3,600+10.8%Added
HighTower Advisors, LLC36,341$1.01M0.00%+28,103+341.1%Added
PDT Partners, LLC35,415$982.1K0.06%+4,015+12.8%Added
Wedge Capital Management L L P33,371$925.4K0.02%−110.0%Reduced
Legal & General Group Plc31,218$865.7K0.00%+1,641+5.5%Added
Connor, Clark & Lunn Investment Management Ltd.30,808$854.3K0.00%−33,752−52.3%Reduced
Verition Fund Management LLC30,541$846.9K0.00%+4,481+17.2%Added
Quattro Financial Advisors LLC30,000$831.9K0.26%00.0%Unchanged
HSBC Holdings PLC29,889$824.3K0.00%+29,889New
Gsa Capital Partners LLP28,892$801.0K0.07%+10,715+58.9%Added
Citigroup Inc28,152$780.7K0.00%−1,203−4.1%Reduced
Jane Street Group, LLC27,474$761.9K0.00%−130,670−82.6%Reduced
Engineers Gate Manager LP27,157$753.1K0.01%+27,157New
D. E. Shaw & Co., Inc.24,947$691.8K0.00%−38,428−60.6%Reduced
California State Teachers Retirement System24,573$681.4K0.00%+10.0%Added
CWM, LLC24,359$675.0K0.00%+20,709+567.4%Added
Deutsche Bank AG24,184$670.6K0.00%+3,887+19.2%Added
Wells Fargo & Company24,044$666.7K0.00%+6,533+37.3%Added
Quantbot Technologies LP21,524$596.9K0.02%+6,736+45.6%Added
Zurcher Kantonalbank (Zurich Cantonalbank)19,780$548.5K0.00%00.0%Unchanged
SG Americas Securities, LLC18,850$523.0K0.00%+12,258+186.0%Added
Franklin Resources Inc18,788$521.0K0.00%+18,788New
Point72 Asset Management, L.P.18,595$515.6K0.00%+18,595New
MetLife Investment Management18,473$512.3K0.00%−185−1.0%Reduced
Quest Partners LLC18,117$502.4K0.03%−7,737−29.9%Reduced
The PNC Financial Services Group, Inc.17,586$487.7K0.00%+588+3.5%Added
Campbell & CO Investment Adviser LLC17,516$485.7K0.04%−7,945−31.2%Reduced
Manufacturers Life Insurance Company, The17,172$476.2K0.00%+357+2.1%Added
Price T Rowe Associates Inc16,800$466.0K0.00%+3,220+23.7%Added
CWM Advisors, LLC16,432$455.7K0.04%+1,906+13.1%Added
Wealth Enhancement Advisory Services, LLC16,385$454.5K0.00%+16,385New
Emerald Mutual Fund Advisers Trust16,270$451.2K0.02%00.0%Unchanged
Aquatic Capital Management LLC16,114$446.8K0.01%+1,471+10.0%Added
Capstone Financial Advisors, Inc.15,871$440.1K0.02%00.0%Unchanged