Byline Bancorp Ownership | Who Owns Byline Bancorp?
Byline Bancorp Ownership Summary
Byline Bancorp is owned by 55.82% institutional investors, 28.80% insiders, and 15.38% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 7.35% of BY shares. Avantis US Small Cap Value ETF is the top mutual fund, with 1.89% of its assets in Byline Bancorp shares.
BY Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Byline Bancorp | 55.82% | 28.80% | 15.38% |
| Sector | Financial Services Stocks | 746.79% | 13.83% | -660.62% |
| Industry | Regional Banks Stocks | 38.12% | 12.89% | 48.99% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 3.29M | 7.35% | $104.02M |
| Blackrock | 2.90M | 6.70% | $68.80M |
| Dimensional fund advisors lp | 2.37M | 5.28% | $74.71M |
| Vanguard group | 1.82M | 4.07% | $53.13M |
| State street | 1.03M | 2.30% | $32.55M |
| Wellington management group llp | 1.02M | 2.28% | $32.33M |
| American century companies | 905.19K | 2.02% | $28.58M |
| Boston partners | 883.69K | 1.97% | $33.20M |
| Fmr | 826.07K | 1.84% | $26.08M |
| Geode capital management | 788.03K | 1.76% | $24.88M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Ararat capital management lp | 623.77K | 11.09% | $19.69M |
| Gfs advisors | 55.00 | 8.10% | $76.78M |
| Mendon capital advisors | 125.00K | 1.53% | $3.95M |
| Detalus advisors | 196.05K | 1.44% | $7.38M |
| Maltese capital management | 220.62K | 1.37% | $6.96M |
| Aristotle capital boston | 674.78K | 1.32% | $21.30M |
| Endeavour capital advisors | 180.64K | 1.29% | $5.70M |
| Denali advisors | 167.42K | 0.59% | $5.29M |
| Fiducient advisors | 114.27K | 0.47% | $3.61M |
| Bridgeway capital management | 423.52K | 0.27% | $13.37M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock | 2.90M | 0.00% | 596.15K |
| Vanguard fiduciary trust | 206.91K | 0.00% | 206.91K |
| Aqr capital management | 665.39K | 0.01% | 160.44K |
| Zacks investment management | 131.00K | 0.03% | 131.00K |
| Millennium management | 287.66K | 0.00% | 128.24K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Next century growth investors | - | - | -247.81K |
| Assenagon asset management | - | - | -227.32K |
| Wellington management group llp | 1.02M | 0.01% | -170.05K |
| Fmr | 826.07K | 0.00% | -129.65K |
| Aristotle capital boston | 674.78K | 1.32% | -126.44K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Vanguard fiduciary trust | 206.91K | 0.00% | 206.91K | $6.53M |
| Zacks investment management | 131.00K | 0.03% | 131.00K | $4.14M |
| Man group | 50.61K | 0.00% | 50.61K | $1.60M |
| Teacher retirement system of texas | 22.45K | 0.00% | 22.45K | $708.62K |
| Vanguard asset management | 22.30K | 0.00% | 22.30K | $703.98K |
Sold Out
| Holder | Change |
|---|---|
| Nelson, van denburg & campbell wealth management group | -4.00 |
| Bokf, na | -12.00 |
| Stephens consulting | -15.00 |
| Bessemer group | -19.00 |
| Riverview trust | -36.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 186 | 5.08% | 25,025,973 | 1.90% | 55 | 1.86% | 96 | 1.05% | 55 | -8.33% |
| Dec 31, 2025 | 112 | -35.63% | 15,294,778 | -37.21% | 34 | 1.10% | 65 | -38.10% | 31 | -31.11% |
| Sep 30, 2025 | 165 | 3.13% | 24,183,836 | 4.98% | 55 | 2.00% | 101 | 5.21% | 43 | 4.88% |
| Jun 30, 2025 | 166 | 12.16% | 23,889,884 | 18.35% | 54 | 2.57% | 101 | 53.03% | 42 | -22.22% |
| Mar 31, 2025 | 147 | 4.26% | 20,172,583 | 0.69% | 46 | 2.17% | 66 | -12.00% | 53 | 39.47% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Avantis US Small Cap Value ETF | 857.20K | 1.89% | 6.01K |
| iShares Russell 2000 ETF | 857.11K | 1.89% | 9.30K |
| Vanguard US Total Market Shares ETF | 779.78K | 1.75% | - |
| Vanguard Total Stock Mkt Idx Inv | 790.43K | 1.74% | -73.20K |
| Vanguard Morn Total Stk Mkt Idx Investor | 790.43K | 1.74% | -73.20K |
| T. Rowe Price Small-Cap Value | 647.84K | 1.43% | 225.18K |
| DFA US Small Cap Value I | 521.75K | 1.15% | 1.13K |
| FIAM Small Cap Core Composite | 491.90K | 1.08% | - |
| Federated Hermes MDT SCC Institutional | 457.95K | 1.01% | 18.51K |
| Federated Hermes MDT Small Cap Core IS | 457.95K | 1.01% | 18.51K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| May 04, 2026 | KISTNER WILLIAM G | - | Buy | $3.20K |
| Mar 16, 2026 | HERSETH MARY JO S. | - | Buy | $9.25K |
| Feb 26, 2026 | Barkidjija John | HEAD OF CRE & SPECIALTY FIN | Sell | $145.78K |
| Feb 17, 2026 | Doran Brian F | General Counsel | Buy | $24.85K |
| Jan 28, 2026 | CABRERA PHILLIP R. | - | Buy | $5.24K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | - | - |
| 2026 Q2 | 1 | - |
| 2026 Q1 | 3 | 1 |
| 2025 Q4 | 1 | 2 |
| 2025 Q3 | 1 | 2 |
BY Ownership FAQ
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