13F Insight
DOSSIER · 13F Holders · Q1 2026Most-boughtAI cap-ex
BY

BYLINE BANCORP INC

197 institutions still hold BYLINE BANCORP INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 124411109·197 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 7.5%
vs prior quarter
13F value held
$555M
71.0% inst. owned
of float
Holders
197
-72 QoQ
filers reporting
Activity
+43 / −94
+871 added · −728 reduced
this quarter
Concentration
18.75%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

197 institutions reported BY in Q1 2026. BlackRock, Inc. leads at 18.8% of the visible book. -72 net institutions QoQ — distribution reading.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$104M3.3M0.00%Q1 202602
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$75M2.4M0.02%Q1 202603
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$40M1.3M0.00%Q1 202604
STATE STREET CORP
CIK 0000093751
$33M1.0M0.00%Q1 202605
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$32M1.0M0.01%Q1 202606
Boston Partners
CIK 0001386060
$29M918K0.03%Q1 202607
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$29M905K0.01%Q1 202608
FMR LLC
CIK 0000315066
$26M826K0.00%Q1 202609
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$25M788K0.00%Q1 202610
Aristotle Capital Boston, LLC
CIK 0001633911
$21M675K1.32%Q1 202611
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$21M665K0.01%Q1 202612
FEDERATED HERMES, INC.
CIK 0001056288
$20M624K0.03%Q1 202613
Ararat Capital Management LP
CIK 0001768757
$20M624K11.09%Q1 202614
JPMORGAN CHASE & CO
CIK 0000019617
$14M459K0.00%Q1 202615
Nuveen, LLC
CIK 0001871926
$13M425K0.00%Q1 202616
BRIDGEWAY CAPITAL MANAGEMENT, LLC
CIK 0001107261
$13M424K0.27%Q1 202617
Qube Research & Technologies Ltd
CIK 0001729829
$11M342K0.01%Q1 202618
Vanguard Portfolio Management
CIK 0002100121
$11M336K0.00%Q1 202619
GOLDMAN SACHS GROUP INC
CIK 0000886982
$9M299K0.00%Q1 202620
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$9M288K0.00%Q1 2026
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