DOSSIER · 13F Holders · Q2 2026
BY

BYLINE BANCORP INC

218 institutions still hold BYLINE BANCORP INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 124411109·218 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$708M
visible holders
Holders
218
filers reporting
Concentration
18.67%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

218 institutions reported BY in Q2 2026. BlackRock, Inc. leads at 18.7% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$132M3.5M0.00%Q2 2026
02
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$91M2.4M0.02%Q2 2026
03
GFS Advisors, LLC
CIK 0001427263
$77M554.05%Q2 2026
04
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$45M1.2M0.00%Q2 2026
05
STATE STREET CORP
CIK 0000093751
$41M1.1M0.00%Q2 2026
06
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$38M1.0M0.02%Q2 2026
07
Boston Partners
CIK 0001386060
$33M884K0.03%Q2 2026
08
FEDERATED HERMES, INC.
CIK 0001056288
$32M858K0.05%Q2 2026
09
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$31M814K0.01%Q2 2026
10
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$31M810K0.00%Q2 2026
11
T. Rowe Price Investment Management, Inc.
CIK 0001897612
$19M615K0.01%Q1 2026
12
JPMORGAN CHASE & CO
CIK 0000019617
$19M508K0.00%Q2 2026
13
Ararat Capital Management LP
CIK 0001768757
$18M491K8.65%Q2 2026
14
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$18M488K0.00%Q2 2026
15
Nuveen, LLC
CIK 0001871926
$16M437K0.00%Q2 2026
16
BRIDGEWAY CAPITAL MANAGEMENT, LLC
CIK 0001107261
$16M424K0.28%Q2 2026
17
Vanguard Portfolio Management
CIK 0002100121· Index
$14M363K0.00%Q2 2026
18
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$13M350K0.01%Q2 2026
19
MORGAN STANLEY
CIK 0000895421
$11M301K0.00%Q2 2026
20
NORTHERN TRUST CORP
CIK 0000073124· Index
$11M296K0.00%Q2 2026
Page 1 of 11
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Insiders at BYLINE BANCORP INC
Herseth Mary Jo S.Kistner William GHerencia Roberto RRose DanaMbg Investors I, L.P.Del Valle Perochena AntonioPtacin BroganSacristan Carlos Ruiz