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.

Q4 2025 vs. Q3 2025

How the institutions holding Byline Bancorp, Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of BY: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Of which not filed for Q4 2025	Q4 2025	Change
Holders	174	3	178	+7
Shares	24.3M	149.5K	24.4M	+167.5K (+0.7%)
Value	$675.2M	$4.15M	$710.4M	+$39.4M (+5.9%)

3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (25)

Institutions that held Byline Bancorp, Inc. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to BY in Q4 2025
Institution	Shares	Value	% of portfolio
Cresset Asset Management, LLC	95,368	$2.78M	0.01%
Colony Group, LLC	51,021	$1.49M	0.00%
Y-Intercept (Hong Kong) Ltd	36,010	$1.05M	0.02%
Mirabella Financial Services LLP	29,562	$861.7K	0.08%
Canada Pension Plan Investment Board	26,000	$757.9K	0.00%
Abacus Wealth Partners, LLC	20,322	$592.4K	0.06%
Susquehanna Fundamental Investments, LLC	19,870	$579.2K	0.02%
Aigen Investment Management, LP	15,825	$461.3K	0.11%
VARCOV Co.	12,875	$375.3K	0.15%
Zevin Asset Management LLC	10,624	$309.7K	0.04%
Martingale Asset Management L P	10,322	$300.9K	0.01%
MQS Management LLC	9,783	$285.2K	0.17%
Oceanside Advisors LLC	7,100	$207.0K	0.13%
State Board of Administration of Florida Retirement System	7,074	$206.2K	0.00%
Cygnus Capital Advisors, LLC	432	$13.0K	0.01%
Aster Capital Management (DIFC) Ltd	234	$6.82K	0.00%
Eurizon Capital SGR S.p.A.	208	$6.06K	0.00%
Pinnacle Wealth Planning Services, Inc.	187	$5.45K	0.00%
Los Angeles Capital Management LLC	146	$3.91K	0.00%
Basecamp Wealth Advisors LLC	112	$3.27K	0.00%
UMA Financial Services, Inc.	65	$1.90K	0.00%
Torren Management, LLC	28	$803	0.00%
Trust Co	21	$612	0.00%
Bare Financial Services, Inc	18	$525	0.00%
SJS Investment Consulting Inc.	13	$379	0.00%

Sold out (18)

Institutions that held Byline Bancorp, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of BY in Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Empowered Funds, LLC	178,377	$4.95M
ExodusPoint Capital Management, LP	103,087	$2.86M
Burkehill Global Management, LP	75,000	$2.08M
Marshall Wace, LLP	56,329	$1.56M
Kovitz Investment Group Partners, LLC	47,720	$1.32M
Connor, Clark & Lunn Investment Management Ltd.	30,808	$854.3K
Verition Fund Management LLC	30,541	$846.9K
Gsa Capital Partners LLP	28,892	$801.0K
Engineers Gate Manager LP	27,157	$753.1K
Emerald Mutual Fund Advisers Trust	16,270	$451.2K
Squarepoint Ops LLC	15,741	$436.5K
Susquehanna International Group, LLP	14,645	$406.1K
Balyasny Asset Management LLC	13,457	$373.2K
Jump Financial, LLC	10,504	$291.3K
Numerai GP LLC	10,415	$288.8K
Quarry LP	670	$18.6K
Simplex Trading, LLC	113	$3.00K
Rockefeller Capital Management L.P.	30	$832

Not filed for Q4 2025 yet (3)

Institutions that held Byline Bancorp, Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding BY in Q3 2025 that haven't filed for Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Cubist Systematic Strategies, LLC	139,845	$3.88M
AXA Investment Managers S.A.	9,517	$263.9K
Point72 Europe (London) LLP	186	$5.16K