Byline Bancorp Inc (BY)
Who owns Byline Bancorp Inc (BY)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 71.0% of the shares are freely tradable; institutional investors hold 56.8%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 7.25 | 3,294,923 | +0.4 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 5.21 | 2,366,600 | +1.6 | 03/31/2026 |
| Vanguard Group Inc | 4.01 | 1,822,619 | +2.7 | 12/31/2025 |
| Vanguard Capital Management, LLC | 2.77 | 1,258,599 | +0.0 | 03/31/2026 |
| State Street Corp | 2.27 | 1,031,062 | +3.4 | 03/31/2026 |
| Wellington Management Company LLP | 2.25 | 1,023,948 | -14.2 | 03/31/2026 |
| Boston Partners Global Investors, Inc | 2.02 | 918,449 | +30.0 | 03/31/2026 |
| American Century Companies Inc | 1.99 | 905,189 | +7.7 | 03/31/2026 |
| FMR Inc | 1.82 | 826,069 | -13.6 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 1.90 | 863,632 | +0.0 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.