Who owns BYLINE BANCORP, INC.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of BY from SEC Form 13F filings across 208 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 208 institutions disclosed 24.9M shares of BYLINE BANCORP, INC. worth $1.02B — about 55.9% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
208
13F holders
$1.02B
value, 2026 filers
55.9%
of shares outstanding (24.9M sh)
36
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of BY's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 3.5M | $132.2M | 0.0% | 7.9% | +6.6% |
| 2 | DIMENSIONAL FUND ADVISORS LP | 2.4M | $91.3M | 0.0% | 5.4% | +2.5% |
| 3 | T. Rowe Price Investment Management, Inc. | 1.5M | $56.3M | 0.0% | 3.4% | +143.3% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 1.2M | $44.9M | 0.0% | 2.7% | -5.3% |
| 5 | STATE STREET CORP | 1.1M | $41.0M | 0.0% | 2.4% | +5.6% |
| 6 | AMERICAN CENTURY COMPANIES INC | 1.0M | $38.0M | 0.0% | 2.3% | +11.6% |
| 7 | Boston Partners | 883,689 | $33.2M | 0.0% | 2% | -3.8% |
| 8 | FEDERATED HERMES, INC. | 857,825 | $32.3M | 0.0% | 1.9% | +37.4% |
| 9 | AQR CAPITAL MANAGEMENT LLC | 813,855 | $30.6M | 0.0% | 1.8% | +22.3% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 810,208 | $30.5M | 0.0% | 1.8% | +2.8% |
| 11 | JPMORGAN CHASE & CO | 507,652 | $19.1M | 0.0% | 1.1% | +10.5% |
| 12 | Ararat Capital Management LP | 490,609 | $18.5M | 8.7% | 1.1% | -21.3% |
| 13 | WELLINGTON MANAGEMENT GROUP LLP | 488,460 | $18.4M | 0.0% | 1.1% | -52.3% |
| 14 | Nuveen, LLC | 437,302 | $16.5M | 0.0% | 1% | +2.9% |
| 15 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 424,253 | $16.0M | 0.3% | 1% | +0.2% |
| 16 | VANGUARD PORTFOLIO MANAGEMENT LLC | 362,683 | $13.7M | 0.0% | 0.8% | +8.0% |
| 17 | TWO SIGMA INVESTMENTS, LP | 350,081 | $13.2M | 0.0% | 0.8% | +69.2% |
| 18 | MORGAN STANLEY | 301,094 | $11.3M | 0.0% | 0.7% | +6.8% |
| 19 | NORTHERN TRUST CORP | 295,900 | $11.1M | 0.0% | 0.7% | +11.1% |
| 20 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 269,067 | $10.1M | 0.0% | 0.6% | +0.2% |
| 21 | MILLENNIUM MANAGEMENT LLC | 250,593 | $9.4M | 0.0% | 0.6% | -12.9% |
| 22 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 245,280 | $9.2M | 0.0% | 0.5% | +239.8% |
| 23 | ENDEAVOUR CAPITAL ADVISORS INC | 238,671 | $9.0M | 1.8% | 0.5% | +32.1% |
| 24 | Qube Research & Technologies Ltd | 219,168 | $8.3M | 0.0% | 0.5% | -35.8% |
| 25 | Empowered Funds, LLC | 213,253 | $8.0M | 0.0% | 0.5% | +5.3% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.