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, 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
- 24.9M
- −39.1K (−0.2%) vs. Q1 2026
- Total value
- $938.6M
- +$150.4M (+19.1%) vs. Q1 2026
- New holders
- 35
- 80 more added
- Sold out
- 11
- 57 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.
| 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, Q2 2026
Shares, value and share of portfolio for each institution holding Byline Bancorp, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Boston Partners | 883,689 | $33.2M | 0.03% | −34,760−3.8% | Reduced |
| American Century Companies Inc | 1,009,951 | $38.0M | 0.02% | +104,762+11.6% | Added |
| State Street Corp | 1,089,293 | $41.0M | 0.00% | +58,231+5.6% | Added |
| Vanguard Capital Management LLC | 1,191,625 | $44.9M | 0.00% | −66,974−5.3% | Reduced |
| T. Rowe Price Investment Management, Inc. | 1,495,588 | $56.3M | 0.04% | +880,879+143.3% | Added |
| Dimensional Fund Advisors LP | 2,424,824 | $91.3M | 0.02% | +58,224+2.5% | Added |
| BlackRock, Inc. | 3,510,896 | $132.2M | 0.00% | +215,973+6.6% | Added |
| GFS Advisors, LLC | 55 | – | – | +55 | New |
| Aristotle Capital Boston, LLC | 0 | $0 | 0.00% | −674,784−100.0% | Sold out |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −227,317−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −129,589−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −23,323−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −10,731−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −10,115−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −7,392−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −1,095−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −382−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −308−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −36−100.0% | Sold out |
| CWM, LLC | – | – | – | – | Not filed |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| Signet Financial Management, LLC | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |