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 2021 vs. Q3 2021

How the institutions holding Byline Bancorp, Inc. changed between Q3 2021 and Q4 2021.

All holders in Q4 2021 All holders in Q3 2021

13F holders of BY: Q3 2021 compared with Q4 2021
Measure	Q3 2021	Of which not filed for Q4 2021	Q4 2021	Change
Holders	110	1	118	+9
Shares	16.0M	19.5K	16.8M	+811.0K (+5.1%)
Value	$394.1M	$480.0K	$460.5M	+$66.9M (+17.0%)

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (23)

Institutions that held Byline Bancorp, Inc. at the end of Q4 2021 but not at the end of Q3 2021.

Institutions new to BY in Q4 2021
Institution	Shares	Value	% of portfolio
Lord, Abbett & Co. LLC	410,059	$11.2M	0.03%
Bartlett & Co. Wealth Management LLC	134,158	$3.67M	0.06%
Bartlett & Co. LLC	134,158	$3.67M	0.06%
Assenagon Asset Management S.A.	116,966	$3.20M	0.01%
River Oaks Capital LLC	77,800	$2.13M	1.97%
Allspring Global Investments Holdings, LLC	61,618	$1.69M	0.00%
Principal Financial Group Inc	43,341	$1.19M	0.00%
Los Angeles Capital Management LLC	23,790	$651.0K	0.00%
Alberta Investment Management Corp	18,160	$497.0K	0.00%
Rafferty Asset Management, LLC	12,718	$348.0K	0.00%
Putnam Investments LLC	10,356	$283.0K	0.00%
Janus Henderson Group PLC	10,327	$282.0K	0.00%
Connor, Clark & Lunn Investment Management Ltd.	9,460	$259.0K	0.00%
CIBC Private Wealth Group, LLC	8,088	$221.0K	0.00%
Equitable Holdings, Inc.	8,000	$219.0K	0.00%
First American Bank	7,932	$217.0K	0.01%
Alliancebernstein L.P.	7,436	$203.0K	0.00%
Denali Advisors LLC	7,400	$202.0K	0.08%
DuPont Capital Management Corp	7,040	$193.0K	0.01%
Canada Pension Plan Investment Board	7,000	$191.0K	0.00%
Lazard Asset Management LLC	1,015	$27.0K	0.00%
Quantbot Technologies LP	800	$21.0K	0.00%
Snowden Capital Advisors LLC	473	$12.0K	0.00%

Sold out (14)

Institutions that held Byline Bancorp, Inc. at the end of Q3 2021 and filed for Q4 2021 without it.

Institutions that sold out of BY in Q4 2021
Institution	Shares, Q3 2021	Value, Q3 2021
Millennium Management LLC	217,521	$5.34M
Citadel Advisors LLC	102,250	$2.51M
Healthcare of Ontario Pension Plan Trust Fund	81,700	$2.01M
Mirabella Financial Services LLP	54,554	$1.34M
Marshall Wace, LLP	42,353	$1.04M
Cubist Systematic Strategies, LLC	27,396	$673.0K
Jump Financial, LLC	24,100	$592.0K
Blair William & Co	16,200	$398.0K
Qube Research & Technologies Ltd	14,268	$350.0K
Dynamic Technology Lab Private Ltd	10,550	$259.0K
BHZ Capital Management, LP	10,292	$253.0K
Jane Street Group, LLC	8,872	$218.0K
Campbell & CO Investment Adviser LLC	8,700	$214.0K
Chicago Partners Investment Group LLC	7,315	$201.0K

Not filed for Q4 2021 yet (1)

Institutions that held Byline Bancorp, Inc. at the end of Q3 2021 and haven't filed a 13F for Q4 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding BY in Q3 2021 that haven't filed for Q4 2021
Institution	Shares, Q3 2021	Value, Q3 2021
Marshall Wace North America L.P.	19,526	$480.0K