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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
Caitong International Asset Management Co., Ltd3$830.00%+3New
Sunbelt Securities, Inc.18$4990.00%+18New
Nisa Investment Advisors, LLC19$5270.00%00.0%Unchanged
Bruce G. Allen Investments, LLC21$5820.00%−1−4.5%Reduced
Rockefeller Capital Management L.P.30$8320.00%+30New
Massmutual Trust Co FSB31$8600.00%00.0%Unchanged
Advisor Group Holdings, Inc.36$9980.00%+8+28.6%Added
MAI Capital Management48$1.33K0.00%−129−72.9%Reduced
Signaturefd, LLC104$2.88K0.00%−10−8.8%Reduced
Simplex Trading, LLC113$3.00K0.00%+13+13.0%Added
Rothschild Investment LLC126$3.49K0.00%+106+530.0%Added
Jones Financial Companies LLLP131$3.71K0.00%00.0%Unchanged
Parallel Advisors, LLC135$3.74K0.00%00.0%Unchanged
Huntington National Bank154$4.27K0.00%00.0%Unchanged
Optiver Holding B.V.158$4.38K0.00%+158New
True Wealth Design, LLC165$4.58K0.00%+147+816.7%Added
Point72 Europe (London) LLP186$5.16K0.00%+186New
IFP Advisors, Inc204$5.66K0.00%+84+70.0%Added
Covestor Ltd289$8.00K0.00%−162−35.9%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.300$8.00K0.00%00.0%Unchanged
GAMMA Investing LLC365$10.1K0.00%+6+1.7%Added
Smartleaf Asset Management LLC366$10.2K0.00%+256+232.7%Added
US Bancorp437$12.1K0.00%−3,849−89.8%Reduced
Quarry LP670$18.6K0.00%+56+9.1%Added
Allworth Financial LP848$23.5K0.00%+629+287.2%Added
Clearstead Advisors, LLC862$23.9K0.00%+324+60.2%Added
Amalgamated Bank1,079$30.0K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC1,095$30.4K0.00%+546+99.5%Added
Essential Partners LLC1,469$40.7K0.01%+1,414+2,570.9%Added
State of Alaska, Department of Revenue1,676$46.0K0.00%+1,676New
Tower Research Capital LLC (TRC)1,901$52.7K0.00%−2,003−51.3%Reduced
Parkside Financial Bank & Trust2,068$57.3K0.00%−107−4.9%Reduced
New York State Teachers Retirement System2,466$68.0K0.00%−276−10.1%Reduced
Ameritas Investment Partners, Inc.2,620$72.7K0.00%−431−14.1%Reduced
Russell Investments Group, Ltd.2,860$79.3K0.00%+2,689+1,572.5%Added
Farther Finance Advisors, LLC3,051$84.6K0.00%+643+26.7%Added
Great West Life Assurance Co4,012$112.0K0.00%00.0%Unchanged
Globeflex Capital L P4,095$113.6K0.02%00.0%Unchanged
LSV Asset Management5,000$139.0K0.00%+5,000New
State of Tennessee, Treasury Department5,850$162.2K0.00%+5,850New
Quadrant Capital Group LLC6,259$173.6K0.01%+6,259New
Royal Bank of Canada6,793$188.0K0.00%+1,401+26.0%Added
KLP Kapitalforvaltning AS7,100$196.9K0.00%+2,000+39.2%Added
CIBC Private Wealth Group, LLC7,412$205.5K0.00%−676−8.4%Reduced
Cerity Partners LLC7,531$208.8K0.00%+7,531New
First American Bank7,932$220.0K0.01%00.0%Unchanged
Chicago Partners Investment Group LLC8,251$225.4K0.01%+440+5.6%Added
Police & Firemen's Retirement System of New Jersey8,326$230.9K0.00%+1,212+17.0%Added
Arizona State Retirement System9,470$262.6K0.00%+1,646+21.0%Added
AXA Investment Managers S.A.9,517$263.9K0.00%+9,517New
Comerica Bank9,963$276.3K0.00%+2,500+33.5%Added
Janus Henderson Group PLC10,115$280.4K0.00%00.0%Unchanged
Virtus ETF Advisers LLC10,179$282.3K0.16%00.0%Unchanged
Numerai GP LLC10,415$288.8K0.04%+10,415New
Harbor Capital Advisors, Inc.10,414$289.0K0.02%+558+5.7%Added
Jump Financial, LLC10,504$291.3K0.00%+10,504New
SRS Capital Advisors, Inc.10,712$297.0K0.00%+10,712New
Public Employees Retirement System of Ohio11,095$307.7K0.00%00.0%Unchanged
STRS Ohio11,100$307.8K0.00%+11,100New
Princeton Capital Management LLC11,200$310.6K0.08%00.0%Unchanged
Mosaic Financial Group, LLC11,325$314.0K0.22%00.0%Unchanged
Mariner, LLC12,865$356.8K0.00%+12,865New
Intech Investment Management LLC13,430$372.4K0.00%−4,593−25.5%Reduced
Balyasny Asset Management LLC13,457$373.2K0.00%+13,457New
DRW Securities, LLC13,228$373.3K0.02%+13,228New
EntryPoint Capital, LLC13,957$387.0K0.15%+13,957New
Jackson Creek Investment Advisors LLC14,309$397.0K0.11%−31−0.2%Reduced
Mirae Asset Global ETFs Holdings Ltd.14,570$404.0K0.00%−380−2.5%Reduced
Susquehanna International Group, LLP14,645$406.1K0.00%−29,943−67.2%Reduced
Quantinno Capital Management LP14,980$415.4K0.00%+14,980New
BNP Paribas Arbitrage, SA14,986$415.6K0.00%+7,235+93.3%Added
Squarepoint Ops LLC15,741$436.5K0.00%−16,499−51.2%Reduced
Mercer Global Advisors Inc15,749$436.7K0.00%+15,749New
Sterling Capital Management LLC15,804$438.2K0.01%+1,427+9.9%Added
Capstone Financial Advisors, Inc.15,871$440.1K0.02%00.0%Unchanged
Aquatic Capital Management LLC16,114$446.8K0.01%+1,471+10.0%Added
Emerald Mutual Fund Advisers Trust16,270$451.2K0.02%00.0%Unchanged
Wealth Enhancement Advisory Services, LLC16,385$454.5K0.00%+16,385New
CWM Advisors, LLC16,432$455.7K0.04%+1,906+13.1%Added
Price T Rowe Associates Inc16,800$466.0K0.00%+3,220+23.7%Added
Manufacturers Life Insurance Company, The17,172$476.2K0.00%+357+2.1%Added
Campbell & CO Investment Adviser LLC17,516$485.7K0.04%−7,945−31.2%Reduced
The PNC Financial Services Group, Inc.17,586$487.7K0.00%+588+3.5%Added
Quest Partners LLC18,117$502.4K0.03%−7,737−29.9%Reduced
MetLife Investment Management18,473$512.3K0.00%−185−1.0%Reduced
Point72 Asset Management, L.P.18,595$515.6K0.00%+18,595New
Franklin Resources Inc18,788$521.0K0.00%+18,788New
SG Americas Securities, LLC18,850$523.0K0.00%+12,258+186.0%Added
Zurcher Kantonalbank (Zurich Cantonalbank)19,780$548.5K0.00%00.0%Unchanged
Quantbot Technologies LP21,524$596.9K0.02%+6,736+45.6%Added
Wells Fargo & Company24,044$666.7K0.00%+6,533+37.3%Added
Deutsche Bank AG24,184$670.6K0.00%+3,887+19.2%Added
CWM, LLC24,359$675.0K0.00%+20,709+567.4%Added
California State Teachers Retirement System24,573$681.4K0.00%+10.0%Added
D. E. Shaw & Co., Inc.24,947$691.8K0.00%−38,428−60.6%Reduced
Engineers Gate Manager LP27,157$753.1K0.01%+27,157New
Jane Street Group, LLC27,474$761.9K0.00%−130,670−82.6%Reduced
Citigroup Inc28,152$780.7K0.00%−1,203−4.1%Reduced
Gsa Capital Partners LLP28,892$801.0K0.07%+10,715+58.9%Added
HSBC Holdings PLC29,889$824.3K0.00%+29,889New