NYSE: BY
Byline Bancorp Inc Stock Ownership - Who owns Byline Bancorp?

Insider buying vs selling

Have Byline Bancorp Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
William G. KistnerDirector2026-08-19100$38.30
$3.83kBuy
Mary Jo S. HersethDirector2026-08-19300$38.40
$11.52kBuy
Roberto R. HerenciaCEO2026-08-1319,750$39.21
$774.30kSell
Dana RoseCHRO2026-08-122,421$39.00
$94.42kSell
Mbg Investors I LP10% Owner2026-08-07300,000$39.10
$11.73MSell
Valle Perochena Antonio DelDirector2026-08-07300,000$39.10
$11.73MSell
Brogan PtacinHead2026-08-039,450$12.70
$120.02kBuy
Brogan PtacinHead2026-08-039,450$39.61
$374.32kSell
Velez Margarita HuguesDirector2026-06-02530$33.41
$17.71kSell
William G. KistnerDirector2026-05-04100$31.97
$3.20kBuy

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Net Insider Buy/Sell (L12M) Ownership

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BY Shareholders

What type of owners hold Byline Bancorp Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Valle Perochena Antonio Del77.28%34,921,699$1.32BInsider
Mbg Investors I LP25.53%11,535,145$435.34MInsider
Robert R. Yohanan2.55%1,153,313$43.53MInsider
Roberto R. Herencia1.05%474,354$17.90MInsider
Alberto J. Paracchini0.43%194,276$7.33MInsider
Steven M. Rull0.41%185,400$7.00MInsider
Steven P. Kent0.40%182,928$6.90MInsider
Bruce W. Lammers0.26%118,617$4.48MInsider
Brogan Ptacin0.26%117,259$4.43MInsider
Sacristan Jaime Ruiz0.24%107,582$4.06MInsider

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BY vs Bank Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
BY0.05%99.95%Net SellingNet Selling
LOB0.07%62.74%Net SellingNet Selling
NBHC0.09%19.30%Net SellingNet Buying
BFC0.04%11.46%Net SellingNet Selling
TCBK0.07%99.93%Net Selling

Byline Bancorp Stock Ownership FAQ

Who owns Byline Bancorp?

Byline Bancorp (NYSE: BY) is owned by 0.06% institutional shareholders, 109.53% Byline Bancorp insiders, and 0.00% retail investors. Valle Perochena Antonio Del is the largest individual Byline Bancorp shareholder, owning 34.92M shares representing 77.28% of the company. Valle Perochena Antonio Del's Byline Bancorp shares are currently valued at $1.32B.

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