Byline Bancorp Ownership | Who Owns Byline Bancorp?
Byline Bancorp Ownership Summary
Byline Bancorp is owned by 34.12% institutional investors, 28.43% insiders, and 37.46% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 7.32% of BY shares. Vanguard Total Stock Mkt Idx Inv 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 | 34.12% | 28.43% | 37.46% |
| Sector | Financial Services Stocks | 32.19% | 15.44% | 52.37% |
| Industry | Regional Banks Stocks | 31.75% | 12.70% | 55.55% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 3.28M | 7.32% | $95.65M |
| 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 |
| Wellington management group llp | 1.24M | 2.82% | $34.28M |
| State street | 988.05K | 2.26% | $27.40M |
| Fmr | 972.07K | 2.22% | $26.96M |
| Aristotle capital boston | 886.32K | 2.02% | $24.58M |
| American century companies | 803.29K | 1.83% | $22.28M |
| Geode capital management | 764.14K | 1.70% | $22.28M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Ararat capital management lp | 679.12K | 10.10% | $18.83M |
| Detalus advisors | 199.77K | 1.44% | $6.31M |
| Mendon capital advisors | 125.00K | 1.33% | $3.47M |
| Aristotle capital boston | 886.32K | 1.27% | $24.58M |
| Endeavour capital advisors | 155.14K | 1.26% | $4.52M |
| Maltese capital management | 215.00K | 0.90% | $5.96M |
| Denali advisors | 167.42K | 0.59% | $5.29M |
| Fiducient advisors | 114.27K | 0.47% | $3.61M |
| Quattro financial advisors | 30.00K | 0.29% | $947.10K |
| Bridgeway capital management | 469.98K | 0.28% | $13.03M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock | 2.90M | 0.00% | 596.15K |
| Blackrock funding, inc. /de | 3.28M | 0.00% | 434.36K |
| Assenagon asset management | 227.32K | 0.01% | 227.32K |
| Vanguard fiduciary trust | 206.91K | 0.00% | 206.91K |
| Morgan stanley | 341.64K | 0.00% | 161.53K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Wellington management group llp | 1.24M | 0.01% | -487.65K |
| Next century growth investors | - | - | -247.81K |
| Ararat capital management lp | 679.12K | 10.10% | -106.08K |
| Alyeska investment group | - | - | -100.00K |
| Fmr | 972.07K | 0.00% | -68.01K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Assenagon asset management | 227.32K | 0.01% | 227.32K | $7.18M |
| Vanguard fiduciary trust | 206.91K | 0.00% | 206.91K | $6.53M |
| Principal financial group | 46.43K | 0.00% | 46.43K | $1.47M |
| 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 |
|---|---|
| Caitong asset management | -3.00 |
| Nelson, van denburg & campbell wealth management group | -4.00 |
| Bokf, na | -12.00 |
| Stephens consulting | -15.00 |
| Bessemer group | -19.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| Dec 31, 2024 | 58 | -58.27% | 6,667,903 | -65.34% | 15 | 0.78% | 29 | -62.34% | 13 | -68.29% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 863.63K | 1.89% | - |
| Vanguard US Total Market Shares ETF | 779.78K | 1.75% | - |
| Avantis US Small Cap Value ETF | 760.68K | 1.68% | - |
| iShares Russell 2000 ETF | 747.68K | 1.65% | 6.30K |
| DFA US Small Cap Value I | 506.62K | 1.11% | 3.52K |
| FIAM Small Cap Core CIT Cl B | 491.90K | 1.08% | - |
| FIAM Small Cap Core Composite | 491.90K | 1.08% | -7.90K |
| Federated Hermes MDT SCC Institutional | 457.95K | 1.01% | 18.51K |
| Federated Hermes MDT Small Cap Core IS | 457.95K | 1.01% | 18.51K |
| Vanguard Institutional Extnd Mkt Idx Tr | 366.93K | 0.80% | 4.73K |
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 Q2 | 1 | - |
| 2026 Q1 | 3 | 1 |
| 2025 Q4 | 1 | 2 |
| 2025 Q3 | 1 | 2 |
| 2025 Q2 | 6 | 2 |
BY Ownership FAQ
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