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Byline Bancorp, Inc.
$37.44 -0.89 (-2.32%) At close · Jul 2
Market Cap
$1.70B
Shares
45,409,259

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

The Jun 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out.
Holders: 187
Total Value: $779,510,398
Total Shares: 24,691,479
Showing 1–100 of 187 holdings by value · page 1 of 2

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 187 13F filers
Top Holder
13.3%
Jun 2023 → Mar 2026 · range 9.8% – 15.5%
of institutional value
Top 5
36.3%
Jun 2023 → Mar 2026 · range 36.3% – 47.1%
of institutional value
Top 10
53.0%
Jun 2023 → Mar 2026 · range 53.0% – 65.6%
of institutional value
HHI
442
Jun 2023 → Mar 2026 · range 419 – 604
Broadly held
Showing 100 of 187
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $104,020,713 13.34% 3,294,923
Mega DIMENSIONAL FUND ADVISORS LP $74,713,559 9.58% 2,366,600
Mega VANGUARD CAPITAL MANAGEMENT LLC $39,733,970 5.10% 1,258,599
Mega STATE STREET CORP $32,550,627 4.18% 1,031,062
Mega WELLINGTON MANAGEMENT GROUP LLP $32,326,037 4.15% 1,023,948
Large Boston Partners $28,995,434 3.72% 918,449
Mega AMERICAN CENTURY COMPANIES INC $28,576,816 3.67% 905,189
Mega FMR LLC $26,078,996 3.35% 826,069
Mega GEODE CAPITAL MANAGEMENT, LLC $24,878,200 3.19% 788,033
Mid Aristotle Capital Boston, LLC $21,302,930 2.73% 674,784
Mega AQR CAPITAL MANAGEMENT LLC $21,006,232 2.69% 665,386
Large FEDERATED HERMES, INC. $19,712,970 2.53% 624,421
Small Ararat Capital Management LP $19,692,482 2.53% 623,772
Mega T. Rowe Price Investment Management, Inc. $19,406,363 2.49% 614,709
Mega JPMORGAN CHASE & CO $14,503,793 1.86% 459,417
Mega Nuveen, LLC $13,413,049 1.72% 424,867
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC $13,370,684 1.72% 423,525
Large Qube Research & Technologies Ltd $10,782,007 1.38% 341,527
Mega GOLDMAN SACHS GROUP INC $9,453,351 1.21% 299,441
Mega MILLENNIUM MANAGEMENT LLC $9,081,552 1.17% 287,664
Mega MORGAN STANLEY $8,902,450 1.14% 281,991
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $8,474,871 1.09% 268,447
Mega NORTHERN TRUST CORP Bank $8,410,625 1.08% 266,412
Large Assenagon Asset Management S.A. $7,176,397 0.92% 227,317
Small MALTESE CAPITAL MANAGEMENT LLC $6,964,814 0.89% 220,615
Mega TWO SIGMA INVESTMENTS, LP $6,533,537 0.84% 206,954
Mega VANGUARD FIDUCIARY TRUST CO Bank $6,532,180 0.84% 206,911
Large Empowered Funds, LLC $6,393,714 0.82% 202,525
Micro Detalus Advisors, LLC $6,306,865 0.81% 199,774
Small ENDEAVOUR CAPITAL ADVISORS INC $5,702,867 0.73% 180,642
Small DENALI ADVISORS LLC $5,285,323 0.68% 167,416
Mega Bank of New York Mellon Corp Bank $5,156,769 0.66% 163,344
Mega UBS Group AG $5,001,792 0.64% 158,435
Mid Curi Capital, LLC $4,554,225 0.58% 144,258
Large Creative Planning $4,520,066 0.58% 143,176
Mega BANK OF AMERICA CORP /DE/ Bank $4,288,341 0.55% 135,836
Mid BARTLETT & CO. WEALTH MANAGEMENT LLC $4,235,368 0.54% 134,158
Large ZACKS INVESTMENT MANAGEMENT $4,135,827 0.53% 131,005
Large SEI INVESTMENTS CO $4,091,124 0.52% 129,589
Large Mariner, LLC $4,073,445 0.52% 129,029
Small MENDON CAPITAL ADVISORS CORP $3,946,250 0.51% 125,000
Large TUDOR INVESTMENT CORP ET AL $3,800,554 0.49% 120,385
Large JACOBS LEVY EQUITY MANAGEMENT, INC $3,720,366 0.48% 117,845
Small FIDUCIENT ADVISORS LLC $3,607,567 0.46% 114,272
Mega FRANKLIN RESOURCES INC $3,259,475 0.42% 103,246
Large Trexquant Investment LP $3,207,196 0.41% 101,590
Large Thrivent Financial for Lutherans $2,816,959 0.36% 89,229
Mega ALLIANCEBERNSTEIN L.P. $2,762,722 0.35% 87,511
Mega FIRST TRUST ADVISORS LP $2,731,089 0.35% 86,509
Large BLAIR WILLIAM & CO/IL $2,398,878 0.31% 75,986
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $2,279,006 0.29% 72,189
Mega Swiss National Bank Bank $2,143,603 0.27% 67,900
Large IEQ CAPITAL, LLC $2,101,236 0.27% 66,558
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $1,809,245 0.23% 57,309
Mega AMERIPRISE FINANCIAL INC $1,770,666 0.23% 56,087
Mega CITADEL ADVISORS LLC $1,737,044 0.22% 55,022
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $1,735,970 0.22% 54,988
Mega Invesco Ltd. $1,642,649 0.21% 52,032
Large Focus Partners Wealth $1,630,653 0.21% 51,652
Large Man Group plc $1,597,883 0.20% 50,614
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,585,319 0.20% 50,216
Large Point72 Asset Management, L.P. $1,511,887 0.19% 47,890
Mega PRINCIPAL FINANCIAL GROUP INC $1,465,794 0.19% 46,430
Mega BARCLAYS PLC $1,441,074 0.18% 45,647
Mega HSBC HOLDINGS PLC $1,414,841 0.18% 44,816
Large PRUDENTIAL FINANCIAL INC $1,379,451 0.18% 43,695
Mega WELLS FARGO & COMPANY/MN $1,374,872 0.18% 43,550
Mega RHUMBLINE ADVISERS $1,348,638 0.17% 42,719
Small BANC FUNDS CO LLC $1,078,336 0.14% 34,157
Mid Engineers Gate Manager LP $988,330 0.13% 31,306
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $987,951 0.13% 31,294
Mega BNP PARIBAS ARBITRAGE, SA $987,730 0.13% 31,287
Small QUATTRO FINANCIAL ADVISORS LLC $947,100 0.12% 30,000
Mega DEUTSCHE BANK AG\ Bank $943,090 0.12% 29,873
Mid WEDGE CAPITAL MANAGEMENT L L P/NC $931,283 0.12% 29,499
Mid PDT Partners, LLC $862,334 0.11% 27,315
Large CWM, LLC $861,198 0.11% 27,279
Mega CANADA PENSION PLAN INVESTMENT BOARD Pension $820,820 0.11% 26,000
Mid SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC $794,080 0.10% 25,153
Mega CITIGROUP INC $790,764 0.10% 25,048
Mega Legal & General Group Plc $774,474 0.10% 24,532
Large Cambridge Investment Research Advisors, Inc. $742,463 0.10% 23,518
Mid Y-Intercept (Hong Kong) Ltd $736,307 0.09% 23,323
Mega PRICE T ROWE ASSOCIATES INC /MD/ $725,131 0.09% 22,969
Large Rafferty Asset Management, LLC $711,082 0.09% 22,524
Large TEACHER RETIREMENT SYSTEM OF TEXAS Pension $708,620 0.09% 22,446
Mega VANGUARD ASSET MANAGEMENT, Ltd $703,979 0.09% 22,299
Mid Campbell & CO Investment Adviser LLC $696,686 0.09% 22,068
Small Abacus Wealth Partners, LLC $665,906 0.09% 21,093
Mega Vanguard Global Advisers, LLC $622,402 0.08% 19,715
Mega JANUS HENDERSON GROUP PLC $617,098 0.08% 19,547
Large Quantinno Capital Management LP $612,331 0.08% 19,396
Large MetLife Investment Management, LLC $583,192 0.07% 18,473
Mega PNC FINANCIAL SERVICES GROUP, INC. $549,791 0.07% 17,415
Large SG Americas Securities, LLC Broker-Dealer $536,311 0.07% 16,988
Small PRINCETON CAPITAL MANAGEMENT LLC $520,494 0.07% 16,487
Large ALPS ADVISORS INC $512,696 0.07% 16,240
Small Inspire Investing, LLC $509,445 0.07% 16,137
Small Capstone Financial Advisors, Inc. $506,382 0.06% 16,040
Large MERCER GLOBAL ADVISORS INC /ADV $503,541 0.06% 15,950
Key facts CIK 1702750 CUSIP 124411109 13F (30d) 4 filings 3 filers Visit website Investor relations

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