Byline Bancorp BY Institutional Ownership

NYSE BY

$37.97 -0.30 (-0.78%)

As of: Sep 9, 2026 · 3:59 PM EDT

Institutions by Trading Activity

206 Institutions

Increased 114 55.3%

Unchanged 36 17.5%

Reduced 56 27.2%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

56.49%

▲+0.50 pp QoQ

Shares Held by Institutions

25.19Mn

of 44.60Mn outstanding

▲+5.44% QoQ

Shares Outstanding

44.60Mn

19.41Mn held outside 13F filers

Institutional Investors

206

filed 13F for Jun 2026

▲+18 vs prior quarter

Net Shares Added (QoQ)

+1.30Mn

accumulated since last quarter

Value of Holdings

$978.44Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Byline Bancorp, Inc. (NYSE:BY) is held by 206 institutional investors per 13F filings through June 2026.

These investors collectively held 56.5% of Byline Bancorp's outstanding shares in June 2026, up from 56.0% in March 2026.
They increased total shares held in BY by 5.44% quarter over quarter, and investors in Byline Bancorp increased 23.35% from a year ago.
Of these 206 holders, 114 added to their stakes in Byline Bancorp, 56 trimmed positions, and 36 made no changes.
Altogether, these fund groups held 25.19Mn shares in BY by June 2026, up by 1.3Mn shares quarter on quarter, and up 616.09K shares year over year.
BlackRock, Inc. holds the largest position in BY at 3.51Mn shares as of June 30, 2026, or 7.87% of shares outstanding.
The largest buyers of Byline Bancorp for the quarter ending June 2026 were T. Rowe Price Investment Management, Inc. (880.88K), Sixth Street Partners Management Company, L.P. (269.07K), Federated Hermes, Inc. (233.4K), BlackRock, Inc. (215.97K), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (173.09K).
The biggest sellers of Byline Bancorp for the quarter ending June 2026 included FMR LLC (643.71K), WELLINGTON MANAGEMENT GROUP LLP (535.49K), Ararat Capital Management LP (133.16K), Qube Research & Technologies Ltd (122.36K), MALTESE CAPITAL MANAGEMENT LLC (90.62K).
Byline Bancorp's 10 largest shareholders as of June 2026 include BlackRock, Inc. (3.51Mn), DIMENSIONAL FUND ADVISORS LP (2.42Mn), T. Rowe Price Investment Management, Inc. (1.5Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.19Mn), State Street Corp (1.09Mn), AMERICAN CENTURY COMPANIES INC (1.01Mn), Boston Partners (883.69K), Federated Hermes, Inc. (857.82K), AQR CAPITAL MANAGEMENT LLC (813.86K), GEODE CAPITAL MANAGEMENT, LLC (810.21K) per Business Quant data.

Form 13F Holdings

206 Institutional Holders

Report period 30 Jun, 2026

Total shares held 25.19Mn

Of outstanding 56.49%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	3,510,896	7.87%	▲215,973	+6.55%	$132.22Mn
2	DIMENSIONAL FUND ADVISORS LP	0000354204	2,424,824	5.44%	▲58,224	+2.46%	$91.32Mn
3	T. Rowe Price Investment Management, Inc.	0001897612	1,495,588	3.35%	▲880,879	+143.30%	$56.32K
4	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,191,625	2.67%	▼66,974	-5.32%	$44.88Mn
5	State Street Corp	0000093751	1,089,293	2.44%	▲58,231	+5.65%	$41.02Mn
6	AMERICAN CENTURY COMPANIES INC	0000748054	1,009,951	2.26%	▲104,762	+11.57%	$38.03Mn
7	Boston Partners	0001386060	883,689	1.98%	▼34,760	-3.78%	$33.20Mn
8	Federated Hermes, Inc.	0001056288	857,825	1.92%	▲233,404	+37.38%	$32.31Mn
9	AQR CAPITAL MANAGEMENT LLC	0001167557	813,855	1.82%	▲148,469	+22.31%	$30.65Mn
10	GEODE CAPITAL MANAGEMENT, LLC	0001214717	810,208	1.82%	▲22,175	+2.81%	$30.52Mn
11	Jpmorgan Chase & Co	0000019617	507,652	1.14%	▲48,235	+10.50%	$19.09Mn
12	Ararat Capital Management LP	0001768757	490,609	1.10%	▼133,163	-21.35%	$18.48Mn
13	WELLINGTON MANAGEMENT GROUP LLP	0000902219	488,460	1.10%	▼535,488	-52.30%	$18.40Mn
14	Nuveen, LLC	0001871926	437,302	0.98%	▲12,435	+2.93%	$16.47Mn
15	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0001107261	424,253	0.95%	▲728	+0.17%	$15.98Mn
16	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	362,683	0.81%	▲26,844	+7.99%	$13.66Mn
17	TWO SIGMA INVESTMENTS, LP	0001179392	350,081	0.78%	▲143,127	+69.16%	$13.18Mn
18	Morgan Stanley	0000895421	301,094	0.68%	▲19,103	+6.77%	$11.34Mn
19	Northern Trust Corp	0000073124	295,900	0.66%	▲29,488	+11.07%	$11.14Mn
20	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	269,067	0.60%	▲620	+0.23%	$10.13Mn

Showing 1 to 20 of 206 holders