Byline Bancorp, Inc.: which funds bought and sold

Institutions that bought and sold Byline Bancorp shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.

Between March 31, 2026 and June 30, 2026, 116 institutions that filed 13F reports for both quarters added to or opened positions in Byline Bancorp, and 65 cut or closed them. Together they sold a net 16K shares, −0.1% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 552K shares (+7.1%); index fund managers were net buyers of 285K shares (+3.8%). 34 opened a new position and 11 sold out entirely.

Bought, Q2 2026 116 institutions, 34 of them new holders Sold, Q2 2026 65 institutions, 11 of them sold out

Net change, all compared −16K shares (−0.1%)

Net change, active managers +552K shares (+7.1%), 22 bought, 13 sold

Buyers versus sellers

institutions compared, 216

116 bought 35 65 sold

Active managers and hedge funds 22 bought · 13 sold · +552K

Index fund managers 8 bought · 2 sold · +285K

Other institutions 86 bought · 50 sold · −853K

Biggest buyers

by change in shares held

Biggest buyers
Institution	Change in shares	Shares June 30, 2026	Value
T. Rowe Price Investment Management, Inc. Active manager	+881K +143.3%	1.5M	$56.3M
Federated Hermes, Inc. Active manager	+233K +37.4%	858K	$32.3M
Blackrock, Inc. Index funds	+216K +6.6%	3.5M	$132M
Arrowstreet Capital, Limited Partnership Hedge fund	+173K +239.8%	245K	$9.2M
AQR Capital Management LLC Hedge fund	+148K +22.3%	814K	$30.6M
Two Sigma Investments, LP Hedge fund	+143K +69.2%	350K	$13.2M
American Century Companies Inc Active manager	+105K +11.6%	1.0M	$38M
Renaissance Technologies LLC Hedge fund	+81K New position	81K	$3M
Thrivent Financial For Lutherans	+68K +76.1%	157K	$5.9M
State Street Corp Index funds	+58K +5.6%	1.1M	$41M
Dimensional Fund Advisors LP	+58K +2.5%	2.4M	$91.3M
Endeavour Capital Advisors Inc	+58K +32.1%	239K	$9M
Algert Global LLC Hedge fund	+52K New position	52K	$1.9M
Jpmorgan Chase & Co	+48K +10.5%	508K	$19.1M
Point72 Asset Management, L.P. Hedge fund	+42K +88.6%	90K	$3.4M
Man Group PLC Hedge fund	+38K +75.5%	89K	$3.3M
First Trust Advisors LP	+37K +43.1%	124K	$4.7M
Northern Trust Corp Index funds	+29K +11.1%	296K	$11.1M
Campbell & Co Investment Adviser LLC	+29K +133.3%	51K	$1.9M
Vanguard Portfolio Management LLC Index funds	+27K +8.0%	363K	$13.7M

Biggest buyers, active managers and hedge funds
Institution	Change in shares	Shares June 30, 2026	Value
T. Rowe Price Investment Management, Inc. Active manager	+881K +143.3%	1.5M	$56.3M
Federated Hermes, Inc. Active manager	+233K +37.4%	858K	$32.3M
Arrowstreet Capital, Limited Partnership Hedge fund	+173K +239.8%	245K	$9.2M
AQR Capital Management LLC Hedge fund	+148K +22.3%	814K	$30.6M
Two Sigma Investments, LP Hedge fund	+143K +69.2%	350K	$13.2M
American Century Companies Inc Active manager	+105K +11.6%	1.0M	$38M
Renaissance Technologies LLC Hedge fund	+81K New position	81K	$3M
Algert Global LLC Hedge fund	+52K New position	52K	$1.9M
Point72 Asset Management, L.P. Hedge fund	+42K +88.6%	90K	$3.4M
Man Group PLC Hedge fund	+38K +75.5%	89K	$3.3M

Biggest sellers

by change in shares held

Biggest sellers
Institution	Change in shares	Shares June 30, 2026	Value
Aristotle Capital Boston, LLC	−675K Sold out	0	—
FMR LLC Active manager	−644K −77.9%	182K	$6.9M
Wellington Management Group LLP Active manager	−535K −52.3%	488K	$18.4M
Assenagon Asset Management S.A.	−227K Sold out	0	—
Ararat Capital Management LP	−133K −21.3%	491K	$18.5M
Sei Investments Co	−130K Sold out	0	—
Qube Research & Technologies Ltd Hedge fund	−122K −35.8%	219K	$8.3M
Maltese Capital Management LLC	−91K −41.1%	130K	$4.9M
Goldman Sachs Group Inc	−87K −29.0%	213K	$8M
Vanguard Capital Management LLC Index funds	−67K −5.3%	1.2M	$44.9M
UBS Group AG	−62K −38.9%	97K	$3.6M
Tudor Investment Corp Et Al Hedge fund	−52K −43.3%	68K	$2.6M
Millennium Management LLC Hedge fund	−37K −12.9%	251K	$9.4M
Boston Partners Active manager	−35K −3.8%	884K	$33.2M
Susquehanna International Group, LLP	−32K −64.0%	18K	$680,930
Alliancebernstein L.P. Active manager	−27K −30.3%	61K	$1.9M
Y-Intercept (Hong Kong) Ltd	−23K Sold out	0	—
HSBC Holdings PLC	−18K −40.3%	27K	$1M
Engineers Gate Manager LP Hedge fund	−18K −55.9%	14K	$519,708
Banc Funds Co LLC	−14K −42.4%	20K	$741,224

Biggest sellers, active managers and hedge funds
Institution	Change in shares	Shares June 30, 2026	Value
FMR LLC Active manager	−644K −77.9%	182K	$6.9M
Wellington Management Group LLP Active manager	−535K −52.3%	488K	$18.4M
Qube Research & Technologies Ltd Hedge fund	−122K −35.8%	219K	$8.3M
Tudor Investment Corp Et Al Hedge fund	−52K −43.3%	68K	$2.6M
Millennium Management LLC Hedge fund	−37K −12.9%	251K	$9.4M
Boston Partners Active manager	−35K −3.8%	884K	$33.2M
Alliancebernstein L.P. Active manager	−27K −30.3%	61K	$1.9M
Engineers Gate Manager LP Hedge fund	−18K −55.9%	14K	$519,708
Jacobs Levy Equity Management, Inc Active manager	−11K −9.3%	107K	$4M
Trexquant Investment LP Hedge fund	−3,046 −3.0%	99K	$3.7M

New positions

largest by value

Institution	Shares	Value June 30, 2026
Renaissance Technologies LLCHedge fund	81K	$3M
Algert Global LLCHedge fund	52K	$1.9M
Acadian Asset Management LLCActive manager	21K	$789,000
D. E. Shaw & Co., Inc.Hedge fund	20K	$745,593
Quantbot Technologies LPHedge fund	18K	$690,986
Brevan Howard Capital Management LPHedge fund	17K	$646,999
Sequoia Financial Advisors, LLC	17K	$627,190
Mitsubishi Ufj Trust & Banking Corp	15K	$577,290
Schonfeld Strategic Advisors LLCHedge fund	12K	$452,973
Occudo Quantitative Strategies LP	10K	$384,132

Sold out

largest by value

Institution	Shares	Value March 31, 2026
Aristotle Capital Boston, LLC	675K	$21.3M
Assenagon Asset Management S.A.	227K	$7.2M
Sei Investments Co	130K	$4.1M
Y-Intercept (Hong Kong) Ltd	23K	$736,307
Jane Street Group, LLC	11K	$338,778
Aigen Investment Management, LP	10K	$319,331
Mqs Management LLC	7,392	$233,365
Advisory Services Network, LLC	1,095	$34,569
Mai Capital Management	382	$12,060
Meeder Asset Management Inc	308	$9,724

Who holds the shares

13F holdings at June 30, 2026

Institutions reporting: 206
Ten largest holders: 56.4%
Index fund managers: 31.2%
Active managers and hedge funds: 33.2%

Buying and selling by type of institution, March 31, 2026 to June 30, 2026
Type	Bought	Sold	New	Sold out	Net change in shares	Net %
Active managers and hedge funds	22	13	10	0	+552K	+7.1%
Index fund managers	8	2	0	0	+285K	+3.8%
Other institutions	86	50	24	11	−853K	−8.8%

Active managers and hedge funds: a list we maintain of about 400 well-known stock-picking firms and hedge funds, matched by SEC registration number (CIK) and checked against the filer names each quarter. Index fund managers: the large index houses, such as BlackRock, Vanguard, State Street, Geode and Northern Trust. Every other filer (banks, brokers, wealth managers, pension funds, insurers and firms not on the list) counts as another institution. A firm that files under several SEC registrations appears once for each.

What these filings can and cannot tell you

Form 13F lists the long positions in US-listed shares held by investment managers with more than $100 million in such holdings. Managers file it up to 45 days after each quarter ends, so this page shows what funds held at the end of each quarter, not what they are doing now: a position may have changed since. Short positions, most derivatives and smaller managers are not included, and a cut can mean a fund lost clients or rebalanced rather than a view on Byline Bancorp.

Only managers that filed a holdings report for both quarters are compared (216 here). 7 other holders are left out: first-time or late filers, firms that changed their SEC registration, and filings that withheld positions under confidential treatment, any of which would otherwise look like a new position or a sale. Figures are as reported by each manager in the SEC's quarterly 13F data sets; option positions are excluded.

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