Byline Bancorp BY Institutional Ownership

NYSE BY

$36.83 -0.09 (-0.24%)

At close: Sep 30, 2026 · 4:00 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%

▲+0.54 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

$927.81Mn

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) showed up in the 13F filings of 206 institutional investors as of June 2026.

These investors collectively held 56.5% of Byline Bancorp's outstanding shares in June 2026, up from 55.9% in March 2026.
They increased total shares held in Byline Bancorp by 5.44% from last quarter, and the number of investors in BY increased 23.35% annually.
During the quarter, 114 of these 206 funds increased positions in BY, 56 reduced exposure, and 36 held steady.
In total, institutional investors held 25.19Mn shares in Byline Bancorp as of June 2026, up by 1.3Mn shares quarter on quarter, and up 1.58Mn shares year over year.
BlackRock, Inc. leads ownership in BY with 3.51Mn shares as of June 30, 2026, equal to 7.87% of outstanding shares.
The biggest buyers of Byline Bancorp for the quarter ending June 2026 included 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).
Top sellers of BY stock 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).
Business Quant data shows the 10 biggest positions in Byline Bancorp as of June 2026 are held by 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).

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