Byline Bancorp, Inc.

Exchange: NYSE
Industry: State Commercial Banks
SEC CIK: 0001702750

SEC filings (opens in a new tab)

In the last 90 days, Byline Bancorp, Inc. insiders filed 2 open-market purchases and 3 sales; 208 institutions reported holding it in 13F filings for Q2 2026, worth $938.6M in total; no superinvestor holds it.

Q2 2025 vs. Q1 2025

How the institutions holding Byline Bancorp, Inc. changed between Q1 2025 and Q2 2025.

All holders in Q2 2025 All holders in Q1 2025

13F holders of BY: Q1 2025 compared with Q2 2025
Measure	Q1 2025	Of which not filed for Q2 2025	Q2 2025	Change
Holders	148	1	169	+22
Shares	20.2M	1.20K	24.0M	+3.76M (+18.6%)
Value	$528.1M	$31.3K	$640.2M	+$112.1M (+21.2%)

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (36)

Institutions that held Byline Bancorp, Inc. at the end of Q2 2025 but not at the end of Q1 2025.

Institutions new to BY in Q2 2025
Institution	Shares	Value	% of portfolio
Maltese Capital Management LLC	256,600	$6.86M	0.96%
Citadel Advisors LLC	206,748	$5.53M	0.00%
Endeavour Capital Advisors Inc	150,000	$4.01M	1.38%
Alyeska Investment Group, L.P.	100,000	$2.67M	0.01%
Tudor Investment Corp Et Al	87,772	$2.35M	0.02%
Burkehill Global Management, LP	75,000	$2.00M	0.15%
Marshall Wace, LLP	46,749	$1.25M	0.00%
Weiss Asset Management LP	37,991	$1.02M	0.02%
Squarepoint Ops LLC	32,240	$861.8K	0.00%
HRT Financial LP	31,814	$850.0K	0.00%
Walleye Capital LLC	31,569	$843.8K	0.01%
EJF Capital LLC	30,000	$801.9K	0.64%
Verition Fund Management LLC	26,060	$696.6K	0.00%
MQS Management LLC	19,789	$529.0K	0.29%
Bailard, Inc.	19,400	$518.6K	0.01%
Gsa Capital Partners LLP	18,177	$486.0K	0.03%
Park Avenue Securities LLC	15,017	$401.0K	0.00%
Quantbot Technologies LP	14,788	$395.3K	0.01%
Jackson Creek Investment Advisors LLC	14,340	$383.0K	0.10%
AXA S.A.	9,517	$254.4K	0.00%
Ieq Capital, LLC	9,440	$252.3K	0.00%
Oxford Asset Management LLP	9,308	$248.8K	0.08%
Brevan Howard Capital Management LP	8,820	$235.8K	0.00%
Arizona State Retirement System	7,824	$209.1K	0.00%
Blair William & Co	7,723	$206.4K	0.00%
Farther Finance Advisors, LLC	2,408	$64.4K	0.00%
Point72 Asia (Singapore) Pte. Ltd.	1,786	$47.7K	0.01%
Quarry LP	614	$16.4K	0.00%
Clearstead Advisors, LLC	538	$14.4K	0.00%
Raymond James Financial Inc	450	$12.0K	0.00%
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	300	$8.00K	0.00%
MAI Capital Management	177	$4.73K	0.00%
Jones Financial Companies LLLP	131	$3.51K	0.00%
Simplex Trading, LLC	100	$2.00K	0.00%
Essential Partners LLC	55	$1.47K	0.00%
Advisor Group Holdings, Inc.	28	$748	0.00%

Sold out (14)

Institutions that held Byline Bancorp, Inc. at the end of Q1 2025 and filed for Q2 2025 without it.

Institutions that sold out of BY in Q2 2025
Institution	Shares, Q1 2025	Value, Q1 2025
Dynamic Technology Lab Private Ltd	15,950	$417.0K
Teacher Retirement System of Texas	15,451	$404.2K
Corebridge Financial, Inc.	15,255	$399.1K
XTX Topco Ltd	11,860	$310.3K
Mach-1 Financial Group, Inc.	10,771	$281.8K
Engineers Gate Manager LP	8,245	$215.7K
Equitable Holdings, Inc.	8,000	$209.3K
Quadrant Capital Group LLC	6,506	$170.2K
Point72 Asset Management, L.P.	5,361	$140.2K
Coldstream Capital Management Inc	85	$2.22K
Toth Financial Advisory Corp	70	$1.83K
UMA Financial Services, Inc.	49	$1.28K
Stephens Consulting, LLC	15	$393
Versant Capital Management, Inc	15	$392

Not filed for Q2 2025 yet (1)

Institutions that held Byline Bancorp, Inc. at the end of Q1 2025 and haven't filed a 13F for Q2 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding BY in Q1 2025 that haven't filed for Q2 2025
Institution	Shares, Q1 2025	Value, Q1 2025
Lindbrook Capital, LLC	1,195	$31.3K