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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, Q4 2025

Institutional positions in Byline Bancorp, Inc. as of Dec 31, 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
178
+7 vs. Q3 2025
Shares held
24.4M
+167.5K (+0.7%) vs. Q3 2025
Total value
$710.4M
+$39.4M (+5.9%) vs. Q3 2025
New holders
25
71 more added
Sold out
18
60 more reduced

3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 178 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 heldQ4 2025: $710.4M
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, Q4 2025

Shares, value and share of portfolio for each institution holding Byline Bancorp, Inc.; share changes are against Q3 2025.

Institutions holding BY in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.3,281,273$95.6M0.00%+434,359+15.3%Added
Dimensional Fund Advisors LP2,330,002$67.9M0.01%+7,663+0.3%Added
Vanguard Group Inc1,822,619$53.1M0.00%+47,798+2.7%Added
Wellington Management Group LLP1,193,999$34.8M0.01%−42,291−3.4%Reduced
State Street Corp997,040$29.1M0.00%+8,994+0.9%Added
FMR LLC955,718$27.9M0.00%−16,355−1.7%Reduced
American Century Companies Inc840,587$24.5M0.01%+37,300+4.6%Added
Aristotle Capital Boston, LLC801,227$23.4M1.28%−85,097−9.6%Reduced
Geode Capital Management, LLC764,144$22.3M0.00%+13,810+1.8%Added
Boston Partners706,741$20.7M0.02%−26,064−3.6%Reduced
Ararat Capital Management, LP651,196$19.0M9.35%−27,920−4.1%Reduced
T. Rowe Price Investment Management, Inc.577,204$16.8M0.01%−19,750−3.3%Reduced
Federated Hermes, Inc.573,652$16.7M0.03%+82,142+16.7%Added
JPMorgan Chase & Co570,364$16.6M0.00%−17,995−3.1%Reduced
AQR Capital Management LLC504,943$14.7M0.01%+23,990+5.0%Added
Nuveen, LLC450,439$13.1M0.00%−22,960−4.9%Reduced
Bridgeway Capital Management, LLC427,525$12.5M0.26%−42,452−9.0%Reduced
Qube Research & Technologies Ltd345,015$10.1M0.01%−13,521−3.8%Reduced
Morgan Stanley341,643$9.96M0.00%+161,525+89.7%Added
Goldman Sachs Group Inc276,181$8.05M0.00%+108,492+64.7%Added
Charles Schwab Investment Management Inc271,315$7.91M0.00%−1280.0%Reduced
Maltese Capital Management LLC265,000$7.72M1.37%+50,000+23.3%Added
Northern Trust Corp259,062$7.55M0.00%−22,725−8.1%Reduced
Detalus Advisors, LLC204,549$5.96M1.45%+2,107+1.0%Added
Two Sigma Investments, LP176,553$5.15M0.01%−32,452−15.5%Reduced
Bank of New York Mellon Corp165,466$4.82M0.00%−6,069−3.5%Reduced
Millennium Management LLC159,428$4.65M0.00%−259,699−62.0%Reduced
Endeavour Capital Advisors Inc155,140$4.52M1.26%−1,677−1.1%Reduced
RMB Capital Management, LLC138,306$4.03M0.07%+265+0.2%Added
Bartlett & Co. Wealth Management LLC134,158$3.91M0.05%00.0%Unchanged
SEI Investments Co131,468$3.83M0.00%−35,356−21.2%Reduced
Point72 Asset Management, L.P.128,772$3.75M0.01%+110,177+592.5%Added
Denali Advisors LLC125,752$3.67M0.41%+30,711+32.3%Added
Mendon Capital Advisors Corp125,000$3.64M1.43%00.0%Unchanged
Creative Planning122,506$3.57M0.00%+15,594+14.6%Added
Bank of America Corp122,073$3.56M0.00%+11,673+10.6%Added
Jacobs Levy Equity Management, Inc111,621$3.25M0.01%−4,104−3.5%Reduced
Renaissance Technologies LLC111,600$3.25M0.01%+24,900+28.7%Added
Tudor Investment Corp Et Al99,339$2.90M0.02%−17,441−14.9%Reduced
Cresset Asset Management, LLC95,368$2.78M0.01%+95,368New
Arrowstreet Capital, Limited Partnership94,231$2.75M0.00%−1,326−1.4%Reduced
UBS Group AG92,400$2.69M0.00%−48,667−34.5%Reduced
Mariner, LLC91,887$2.68M0.00%+79,022+614.2%Added
Brandywine Global Investment Management, LLC91,115$2.66M0.02%−3,400−3.6%Reduced
Alliancebernstein L.P.89,511$2.61M0.00%−6,580−6.8%Reduced
Thrivent Financial for Lutherans89,229$2.60M0.00%+18,113+25.5%Added
First Trust Advisors LP84,730$2.47M0.00%−33,337−28.2%Reduced
Blair William & Co82,939$2.42M0.01%+3,815+4.8%Added
Barclays PLC82,366$2.40M0.00%+13,646+19.9%Added
Fiducient Advisors LLC81,767$2.38M0.30%+20,517+33.5%Added
HSBC Holdings PLC70,502$2.06M0.00%+40,613+135.9%Added
Swiss National Bank67,900$1.98M0.00%+5,800+9.3%Added
Wells Fargo & Company67,034$1.95M0.00%+42,990+178.8%Added
Citadel Advisors LLC63,065$1.84M0.00%−68,624−52.1%Reduced
Trexquant Investment LP62,898$1.83M0.02%+5,800+10.2%Added
Ameriprise Financial Inc60,172$1.75M0.00%+8,539+16.5%Added
Ieq Capital, LLC58,025$1.69M0.01%+2,965+5.4%Added
Prudential Financial Inc57,205$1.67M0.00%−4,880−7.9%Reduced
UBS Asset Management Americas Inc52,463$1.53M0.00%+2,935+5.9%Added
Invesco Ltd.51,138$1.49M0.00%+586+1.2%Added
Colony Group, LLC51,021$1.49M0.00%+51,021New
New York State Common Retirement Fund46,409$1.35M0.00%+9,400+25.4%Added
Rhumbline Advisers43,236$1.26M0.00%−4,374−9.2%Reduced
Banc Funds Co LLC39,157$1.14M0.23%00.0%Unchanged
Y-Intercept (Hong Kong) Ltd36,010$1.05M0.02%+36,010New
SG Americas Securities, LLC35,731$1.04M0.00%+16,881+89.6%Added
Wedge Capital Management L L P33,231$968.7K0.02%−140−0.4%Reduced
California State Teachers Retirement System31,561$920.0K0.00%+6,988+28.4%Added
Legal & General Group Plc30,628$892.8K0.00%−590−1.9%Reduced
Quattro Financial Advisors LLC30,000$874.5K0.26%00.0%Unchanged
PDT Partners, LLC29,715$866.2K0.06%−5,700−16.1%Reduced
Mirabella Financial Services LLP29,562$861.7K0.08%+29,562New
Rafferty Asset Management, LLC28,424$828.6K0.00%−12,470−30.5%Reduced
Two Sigma Advisers, LP27,400$798.7K0.00%−38,300−58.3%Reduced
Campbell & CO Investment Adviser LLC27,010$787.3K0.04%+9,494+54.2%Added
HighTower Advisors, LLC26,420$770.1K0.00%−9,921−27.3%Reduced
Canada Pension Plan Investment Board26,000$757.9K0.00%+26,000New
Deutsche Bank AG25,859$753.8K0.00%+1,675+6.9%Added
Citigroup Inc25,505$743.5K0.00%−2,647−9.4%Reduced
CWM, LLC25,016$729.0K0.00%+657+2.7%Added
BNP Paribas Arbitrage, SA24,925$726.6K0.00%+9,939+66.3%Added
Cambridge Investment Research Advisors, Inc.23,518$686.0K0.00%−23,400−49.9%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)22,130$645.1K0.00%+2,350+11.9%Added
Franklin Resources Inc21,246$619.3K0.00%+2,458+13.1%Added
Abacus Wealth Partners, LLC20,322$592.4K0.06%+20,322New
Susquehanna Fundamental Investments, LLC19,870$579.2K0.02%+19,870New
Janus Henderson Group PLC19,615$571.8K0.00%+9,500+93.9%Added
MetLife Investment Management18,473$538.5K0.00%00.0%Unchanged
Price T Rowe Associates Inc18,189$531.0K0.00%+1,389+8.3%Added
The PNC Financial Services Group, Inc.17,880$521.2K0.00%+294+1.7%Added
Jane Street Group, LLC17,273$503.5K0.00%−10,201−37.1%Reduced
Quantinno Capital Management LP16,370$477.2K0.00%+1,390+9.3%Added
Wealth Enhancement Advisory Services, LLC16,101$476.6K0.00%−284−1.7%Reduced
Manufacturers Life Insurance Company, The16,236$473.3K0.00%−936−5.5%Reduced
CWM Advisors, LLC16,030$467.3K0.04%−402−2.4%Reduced
Capstone Financial Advisors, Inc.15,871$462.6K0.02%00.0%Unchanged
Aigen Investment Management, LP15,825$461.3K0.11%+15,825New
Sterling Capital Management LLC15,449$450.3K0.01%−355−2.2%Reduced
Princeton Capital Management LLC15,200$443.1K0.11%+4,000+35.7%Added
Quest Partners LLC14,851$432.9K0.02%−3,266−18.0%Reduced