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, Q1 2026
Institutional positions in Byline Bancorp, Inc. as of Mar 31, 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
- 188
- +14 vs. Q4 2025
- Shares held
- 25.0M
- +2.59M (+11.5%) vs. Q4 2025
- Total value
- $789.9M
- +$135.7M (+20.7%) vs. Q4 2025
- New holders
- 30
- 67 more added
- Sold out
- 16
- 56 more reduced
4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 208 | $938.6M |
| Q1 2026 | 188 | $789.9M |
| Q4 2025 | 178 | $710.4M |
| Q3 2025 | 174 | $675.2M |
| Q2 2025 | 169 | $640.2M |
| Q1 2025 | 148 | $528.1M |
| Q4 2024 | 141 | $580.9M |
| Q3 2024 | 139 | $513.5M |
| Q2 2024 | 133 | $442.5M |
| Q1 2024 | 132 | $395.7M |
| Q4 2023 | 130 | $430.7M |
| Q3 2023 | 118 | $350.8M |
| Q2 2023 | 107 | $327.1M |
| Q1 2023 | 111 | $396.2M |
| Q4 2022 | 108 | $417.3M |
| Q3 2022 | 121 | $360.3M |
| Q2 2022 | 117 | $416.4M |
| Q1 2022 | 129 | $456.3M |
| Q4 2021 | 118 | $460.5M |
| Q3 2021 | 110 | $394.1M |
| Q2 2021 | 103 | $356.7M |
| Q1 2021 | 95 | $322.5M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Byline Bancorp, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,294,923 | $104.0M | 0.00% | +13,650+0.4% | Added |
| Dimensional Fund Advisors LP | 2,366,600 | $74.7M | 0.02% | +36,598+1.6% | Added |
| Vanguard Capital Management LLC | 1,258,599 | $39.7M | 0.00% | +1,258,599 | New |
| State Street Corp | 1,031,062 | $32.6M | 0.00% | +34,022+3.4% | Added |
| Wellington Management Group LLP | 1,023,948 | $32.3M | 0.01% | −170,051−14.2% | Reduced |
| Boston Partners | 918,449 | $29.1M | 0.03% | +211,708+30.0% | Added |
| American Century Companies Inc | 905,189 | $28.6M | 0.01% | +64,602+7.7% | Added |
| FMR LLC | 826,069 | $26.1M | 0.00% | −129,649−13.6% | Reduced |
| Geode Capital Management, LLC | 788,033 | $24.9M | 0.00% | +23,889+3.1% | Added |
| Aristotle Capital Boston, LLC | 674,784 | $21.3M | 1.32% | −126,443−15.8% | Reduced |
| AQR Capital Management LLC | 665,386 | $21.0M | 0.01% | +160,443+31.8% | Added |
| Federated Hermes, Inc. | 624,421 | $19.7M | 0.03% | +50,769+8.9% | Added |
| Ararat Capital Management, LP | 623,772 | $19.7M | 11.09% | −27,424−4.2% | Reduced |
| T. Rowe Price Investment Management, Inc. | 614,709 | $19.4M | 0.01% | +37,505+6.5% | Added |
| JPMorgan Chase & Co | 459,417 | $14.3M | 0.00% | −110,947−19.5% | Reduced |
| Nuveen, LLC | 424,867 | $13.4M | 0.00% | −25,572−5.7% | Reduced |
| Bridgeway Capital Management, LLC | 423,525 | $13.4M | 0.27% | −4,000−0.9% | Reduced |
| Qube Research & Technologies Ltd | 341,527 | $10.8M | 0.02% | −3,488−1.0% | Reduced |
| Vanguard Portfolio Management LLC | 335,839 | $10.6M | 0.00% | +335,839 | New |
| Goldman Sachs Group Inc | 299,441 | $9.45M | 0.00% | +23,260+8.4% | Added |
| Millennium Management LLC | 287,664 | $9.08M | 0.01% | +128,236+80.4% | Added |
| Morgan Stanley | 281,991 | $8.90M | 0.00% | −59,652−17.5% | Reduced |
| Charles Schwab Investment Management Inc | 268,447 | $8.47M | 0.00% | −2,868−1.1% | Reduced |
| Northern Trust Corp | 266,412 | $8.41M | 0.00% | +7,350+2.8% | Added |
| Assenagon Asset Management S.A. | 227,317 | $7.18M | 0.01% | +227,317 | New |
| Maltese Capital Management LLC | 220,615 | $6.96M | 1.37% | −44,385−16.7% | Reduced |
| Two Sigma Investments, LP | 206,954 | $6.53M | 0.01% | +30,401+17.2% | Added |
| Vanguard Fiduciary Trust Co | 206,911 | $6.53M | 0.00% | +206,911 | New |
| Empowered Funds, LLC | 202,525 | $6.39M | 0.04% | +202,525 | New |
| Detalus Advisors, LLC | 199,774 | $6.31M | 1.44% | −4,775−2.3% | Reduced |
| Endeavour Capital Advisors Inc | 180,642 | $5.70M | 1.29% | +25,502+16.4% | Added |
| Denali Advisors LLC | 167,416 | $5.29M | 0.59% | +41,664+33.1% | Added |
| Bank of New York Mellon Corp | 163,344 | $5.16M | 0.00% | −2,122−1.3% | Reduced |
| UBS Group AG | 158,435 | $5.00M | 0.00% | +66,035+71.5% | Added |
| RMB Capital Management, LLC | 144,258 | $4.55M | 0.08% | +5,952+4.3% | Added |
| Creative Planning | 143,176 | $4.52M | 0.00% | +20,670+16.9% | Added |
| Bartlett & Co. Wealth Management LLC | 134,158 | $4.30M | 0.05% | 00.0% | Unchanged |
| Bank of America Corp | 135,836 | $4.29M | 0.00% | +13,763+11.3% | Added |
| Zacks Investment Management | 131,005 | $4.14M | 0.03% | +131,005 | New |
| SEI Investments Co | 129,589 | $4.09M | 0.00% | −1,879−1.4% | Reduced |
| Mariner, LLC | 129,029 | $4.07M | 0.00% | +37,142+40.4% | Added |
| Mendon Capital Advisors Corp | 125,000 | $3.95M | 1.53% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 120,385 | $3.80M | 0.02% | +21,046+21.2% | Added |
| Jacobs Levy Equity Management, Inc | 117,845 | $3.72M | 0.02% | +6,224+5.6% | Added |
| Fiducient Advisors LLC | 114,272 | $3.61M | 0.47% | +32,505+39.8% | Added |
| Franklin Resources Inc | 103,246 | $3.26M | 0.00% | +82,000+386.0% | Added |
| Trexquant Investment LP | 101,590 | $3.21M | 0.02% | +38,692+61.5% | Added |
| Thrivent Financial for Lutherans | 89,229 | $2.82M | 0.01% | 00.0% | Unchanged |
| First Trust Advisors LP | 86,509 | $2.73M | 0.00% | +1,779+2.1% | Added |
| Alliancebernstein L.P. | 87,511 | $2.55M | 0.00% | −2,000−2.2% | Reduced |
| Blair William & Co | 75,986 | $2.40M | 0.01% | −6,953−8.4% | Reduced |
| Arrowstreet Capital, Limited Partnership | 72,189 | $2.28M | 0.00% | −22,042−23.4% | Reduced |
| Swiss National Bank | 67,900 | $2.14M | 0.00% | 00.0% | Unchanged |
| Ieq Capital, LLC | 66,558 | $2.10M | 0.01% | +8,533+14.7% | Added |
| New York State Common Retirement Fund | 57,309 | $1.81M | 0.00% | +10,900+23.5% | Added |
| Ameriprise Financial Inc | 56,087 | $1.77M | 0.00% | −4,085−6.8% | Reduced |
| Citadel Advisors LLC | 55,022 | $1.74M | 0.00% | −8,043−12.8% | Reduced |
| UBS Asset Management Americas Inc | 54,988 | $1.74M | 0.00% | +2,525+4.8% | Added |
| Invesco Ltd. | 52,032 | $1.64M | 0.00% | +894+1.7% | Added |
| Colony Group, LLC | 51,652 | $1.63M | 0.00% | +631+1.2% | Added |
| Man Group plc | 50,614 | $1.60M | 0.00% | +50,614 | New |
| Susquehanna International Group, LLP | 50,216 | $1.59M | 0.00% | +50,216 | New |
| Point72 Asset Management, L.P. | 47,890 | $1.51M | 0.00% | −80,882−62.8% | Reduced |
| Principal Financial Group Inc | 46,430 | $1.47M | 0.00% | +46,430 | New |
| Barclays PLC | 45,647 | $1.44M | 0.00% | −36,719−44.6% | Reduced |
| HSBC Holdings PLC | 44,816 | $1.42M | 0.00% | −25,686−36.4% | Reduced |
| Prudential Financial Inc | 43,695 | $1.38M | 0.00% | −13,510−23.6% | Reduced |
| Wells Fargo & Company | 43,550 | $1.37M | 0.00% | −23,484−35.0% | Reduced |
| Rhumbline Advisers | 42,719 | $1.35M | 0.00% | −517−1.2% | Reduced |
| Banc Funds Co LLC | 34,157 | $1.08M | 0.20% | −5,000−12.8% | Reduced |
| Engineers Gate Manager LP | 31,306 | $988.3K | 0.01% | +31,306 | New |
| California State Teachers Retirement System | 31,294 | $988.0K | 0.00% | −267−0.8% | Reduced |
| BNP Paribas Arbitrage, SA | 31,287 | $987.7K | 0.00% | +6,362+25.5% | Added |
| Quattro Financial Advisors LLC | 30,000 | $947.1K | 0.29% | 00.0% | Unchanged |
| Deutsche Bank AG | 29,873 | $943.1K | 0.00% | +4,014+15.5% | Added |
| Wedge Capital Management L L P | 29,499 | $931.3K | 0.02% | −3,732−11.2% | Reduced |
| PDT Partners, LLC | 27,315 | $862.3K | 0.05% | −2,400−8.1% | Reduced |
| CWM, LLC | 27,279 | $861.2K | 0.00% | +2,263+9.0% | Added |
| Canada Pension Plan Investment Board | 26,000 | $820.8K | 0.00% | 00.0% | Unchanged |
| Susquehanna Fundamental Investments, LLC | 25,153 | $794.1K | 0.03% | +5,283+26.6% | Added |
| Citigroup Inc | 25,048 | $790.8K | 0.00% | −457−1.8% | Reduced |
| Legal & General Group Plc | 24,532 | $774.5K | 0.00% | −6,096−19.9% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 23,518 | $742.0K | 0.00% | 00.0% | Unchanged |
| Y-Intercept (Hong Kong) Ltd | 23,323 | $736.3K | 0.01% | −12,687−35.2% | Reduced |
| Price T Rowe Associates Inc | 22,969 | $726.0K | 0.00% | +4,780+26.3% | Added |
| Rafferty Asset Management, LLC | 22,524 | $711.1K | 0.00% | −5,900−20.8% | Reduced |
| Teacher Retirement System of Texas | 22,446 | $708.6K | 0.00% | +22,446 | New |
| Vanguard Asset Management, Ltd | 22,299 | $704.0K | 0.00% | +22,299 | New |
| Campbell & CO Investment Adviser LLC | 22,068 | $696.7K | 0.04% | −4,942−18.3% | Reduced |
| Abacus Wealth Partners, LLC | 21,093 | $665.9K | 0.06% | +771+3.8% | Added |
| Vanguard Global Advisers, LLC | 19,715 | $622.4K | 0.00% | +19,715 | New |
| Janus Henderson Group PLC | 19,547 | $618.0K | 0.00% | −68−0.3% | Reduced |
| Quantinno Capital Management LP | 19,396 | $612.3K | 0.00% | +3,026+18.5% | Added |
| MetLife Investment Management | 18,473 | $583.2K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 17,415 | $549.8K | 0.00% | −465−2.6% | Reduced |
| SG Americas Securities, LLC | 16,988 | $536.0K | 0.00% | −18,743−52.5% | Reduced |
| Princeton Capital Management LLC | 16,487 | $520.5K | 0.14% | +1,287+8.5% | Added |
| Alps Advisors Inc | 16,240 | $512.7K | 0.00% | +16,240 | New |
| CWM Advisors, LLC | 16,137 | $509.4K | 0.03% | +107+0.7% | Added |
| Capstone Financial Advisors, Inc. | 16,040 | $506.4K | 0.03% | +169+1.1% | Added |