Security Snapshot

BYLINE BANCORP, INC. - Common Stock, par value $0.01 per share (BY) Institutional Ownership

CUSIP: 124411109

13F Institutional Holders and Ownership History from Q2 2017 to Q2 2026

Latest Period

Q2 2026

Institutions Reporting

204

Shares (Excl. Options)

24,896,353

Price

$37.66

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
-62,092
Value change
+$4,429,465
Number of holders
204
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
45,218,566
SEC-reported price per share
$38.68
Insider filing price
$38.68
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • BY - BYLINE BANCORP, INC. - Common Stock, par value $0.01 per share is tracked under CUSIP 124411109.
  • 204 institutions reported positions in Q2 2026.
  • 4 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 188 to 204 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from $789,881,425 to $937,134,520.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 204 institutions filings for Q2 2026.

Open SEC evidence

Security key

124411109

Latest holder period

Q2 2026

13F holders

204

13D/G owners

4

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
4
Security
BY
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
MBG INVESTORS I, L.P. 26% -4.1% $435,950,390 -$9,761,171 11,575,953 -2.2% ANTONIO DEL VALLE PEROCHENA 07 Aug 2026
DIMENSIONAL FUND ADVISORS LP 5.1% $64,395,674 2,322,339 Dimensional Fund Advisors LP 30 Sep 2025
BlackRock, Inc. 5% +8.4% $63,788,290 +$4,822,386 2,300,335 +8.2% BlackRock, Inc. 30 Sep 2025
Estate of Daniel L. Goodwin 0% $368,232 13,613 Estate of Daniel L. Goodwin 30 Jun 2025

As of 30 Jun 2026, 204 institutional investors reported holding 24,896,353 shares of BYLINE BANCORP, INC. - Common Stock, par value $0.01 per share (BY). This represents 55% of the company’s total 45,218,566 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
42%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 7.8% 3,510,896 +6.6% 0% $132,220,327
DIMENSIONAL FUND ADVISORS LP 5.4% 2,424,824 +2.5% 0.02% $91,319,164
T. Rowe Price Investment Management, Inc. 3.3% 1,495,588 +143% 0.04% $56,324,000
VANGUARD CAPITAL MANAGEMENT LLC 2.6% 1,191,625 -5.3% 0% $44,876,598
STATE STREET CORP 2.4% 1,089,293 +5.6% 0% $41,022,774
AMERICAN CENTURY COMPANIES INC 2.2% 1,009,951 +12% 0.02% $38,034,755
Boston Partners 2% 883,689 -3.8% 0.03% $33,198,565
FEDERATED HERMES, INC. 1.9% 857,825 +37% 0.05% $32,305,689
AQR CAPITAL MANAGEMENT LLC 1.8% 813,855 +22% 0.01% $30,649,796
GEODE CAPITAL MANAGEMENT, LLC 1.8% 810,208 +2.8% 0% $30,516,178
JPMORGAN CHASE & CO 1.1% 507,652 +10% 0% $19,092,792
Ararat Capital Management LP 1.1% 490,609 -21% 8.7% $18,476,335
WELLINGTON MANAGEMENT GROUP LLP 1.1% 488,460 -52% 0% $18,395,403
Nuveen, LLC 0.97% 437,302 +2.9% 0% $16,468,794
BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.94% 424,253 +0.17% 0.28% $15,977,368
VANGUARD PORTFOLIO MANAGEMENT LLC 0.8% 362,683 +8% 0% $13,658,642
TWO SIGMA INVESTMENTS, LP 0.77% 350,081 +69% 0.01% $13,184,050
MORGAN STANLEY 0.67% 301,094 +6.8% 0% $11,339,243
NORTHERN TRUST CORP 0.65% 295,900 +11% 0% $11,143,594
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.6% 269,067 +0.23% 0% $10,133,063
MILLENNIUM MANAGEMENT LLC 0.55% 250,593 -13% 0.01% $9,437,332
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.54% 245,280 +240% 0% $9,237,245
ENDEAVOUR CAPITAL ADVISORS INC 0.53% 238,671 +32% 1.8% $8,988,350
Qube Research & Technologies Ltd 0.48% 219,168 -36% 0.01% $8,253,867
Empowered Funds, LLC 0.47% 213,253 +5.3% 0.04% $8,031,108

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
37
Latest
Q2 2026
Rows shown
1-25 of 37
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q2 24,896,353 $937,134,520 +$4,429,465 $37.66 204
2026 Q1 25,027,303 $789,881,425 +$23,838,096 $31.57 188
2025 Q4 24,367,463 $710,447,961 +$5,136,496 $29.15 179
2025 Q3 24,348,042 $675,171,575 +$11,090,275 $27.73 173
2025 Q2 23,943,646 $639,944,826 +$100,467,531 $26.73 166
2025 Q1 20,185,598 $527,873,449 +$5,323,465 $26.16 146
2024 Q4 20,085,271 $582,332,626 +$23,908,718 $29.00 142
2024 Q3 19,183,795 $513,455,697 +$14,722,237 $26.77 138
2024 Q2 18,639,083 $442,520,368 +$12,219,694 $23.74 132
2024 Q1 18,220,290 $395,741,775 +$1,109,954 $21.72 132
2023 Q4 18,243,537 $429,954,997 +$4,198,340 $23.56 128
2023 Q3 17,799,723 $350,833,756 -$3,605,845 $19.71 116
2023 Q2 18,070,789 $327,071,560 -$6,638,454 $18.09 106
2023 Q1 18,328,486 $396,170,285 +$2,722,933 $21.62 111
2022 Q4 18,177,952 $417,543,110 +$9,906,748 $22.97 109
2022 Q3 17,803,489 $360,551,890 +$4,913,090 $20.25 120
2022 Q2 17,495,779 $416,402,429 +$22,355,025 $23.80 112
2022 Q1 17,104,417 $456,335,868 +$7,166,072 $26.68 126
2021 Q4 16,838,586 $460,530,165 +$18,957,592 $27.35 118
2021 Q3 16,047,030 $394,136,836 +$9,121,539 $24.56 110
2021 Q2 15,763,623 $356,746,388 +$13,217,417 $22.63 101
2021 Q1 15,248,127 $322,497,311 +$3,975,843 $21.15 93
2020 Q4 15,133,337 $233,824,419 +$4,698,071 $15.45 89
2020 Q3 14,051,383 $158,610,937 +$357,898 $11.28 86
2020 Q2 13,999,906 $183,419,310 +$5,112,899 $13.10 84
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