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BY Institutional Ownership & 13F Holders | SmartMoneyDB

BYBYLINE BANCORP INC

COM · CUSIP 124411109

Smart Money Ownership

Of the 12 tracked institutions holding BY, 5 have a 3-year clone track record — 5 of them beat the S&P. Average holder's clone alpha: +6.2pt. It's a gauge of who owns the name, not just how many.

BY (BYLINE BANCORP INC) Institutional Ownership Summary

Among the 12 tracked institutional investors we monitor, BY (BYLINE BANCORP INC) is held with a combined value of $302.71M across 8,456,096 shares. The largest holder is BlackRock, Inc. with a position worth $132.22M. RENAISSANCE TECHNOLOGIES LLC opened a new position in the most recent quarter. 7 funds increased their holdings. 4 funds reduced their position.

Total Institutional Value

$302.71M

Total Shares Held

8,456,096

Institutional Holders

This Quarter's Biggest Movers

Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.

Biggest Buyers

BlackRock, Inc.+7% shares~$8.2M AQR CAPITAL MANAGEMENT LLC+22% shares~$5.6M RENAISSANCE TECHNOLOGIES LLCNew position~$3.0M STATE STREET CORP+6% shares~$2.2M Point72 Asset Management, L.P.+89% shares~$1.6M

13F Institutional Holders

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AQR CAPITAL MANAGEMENT LLC

0.01% of book+22.3%

$30.65M

WELLINGTON MANAGEMENT GROUP LLP

0.00% of book-52.3%

$18.40M

MILLENNIUM MANAGEMENT LLC

Point72 Asset Management, L.P.

0.01% of book+88.6%

$3.40M

RENAISSANCE TECHNOLOGIES LLC

#	Fund	Value↓	Shares	Portfolio %	Change
1	BlackRock, Inc.	$132.22M	3,510,896	0.00%	+6.6%
2	VANGUARD GROUP INC	$53.13M	1,822,619	0.00%	+2.7%
3	STATE STREET CORP	$41.02M	1,089,293	0.00%	+5.6%
4	AQR CAPITAL MANAGEMENT LLC	$30.65M	813,855	0.01%	+22.3%
5	WELLINGTON MANAGEMENT GROUP LLP	$18.40M	488,460	0.00%	-52.3%
6	MILLENNIUM MANAGEMENT LLC	$9.44M	250,593	0.01%	-12.9%
7	FMR LLC	$6.87M	182,355	0.00%	-77.9%
8	Point72 Asset Management, L.P.	$3.40M	90,304	0.01%	+88.6%
9	RENAISSANCE TECHNOLOGIES LLC	$3.04M	80,600	0.00%	New
10	CITADEL ADVISORS LLC	$2.78M	73,908	0.00%	+34.3%

Activist & Large Holders (13D/13G)

Investor	Ownership	Type	Filed
MBG INVESTORS I, L.P.	25.5%	13G/A	2026-08-17

SEC Schedule 13D (activist) and 13G (passive) filings for BY. Filed when an investor acquires 5%+ ownership.

Frequently Asked Questions

Which institutional investors own the most BY stock?

As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of BY with a position worth $132.22M, representing 0.00% of their portfolio. In total, 12 institutional investors hold BY with a combined value of $302.71M.

Are hedge funds buying or selling BY?

In the most recent quarter, 1 fund opened a new position in BY. Additionally, 7 increased their holdings and 4 reduced their positions.

What percentage of BY is owned by institutional investors?

Institutional investors hold $302.71M worth of BY stock across 12 positions. The largest institutional holder is BlackRock, Inc. with $132.22M in holdings.

What is a 13F filing and why does it matter for BY?

A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For BY, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.

Track BY institutional moves

Get notified when hedge funds change their BY positions.