$MBC

$6.91 +$0.23 (3.44%) Close

$MBC Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 203.5M shares outstanding

Who owns MBC?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 61.8%

BlackRock, Inc. 15.5% · Pzena Investment Management LLC 7.5%

Institutional ownership

100.0%

+24.1 pts vs last qtr

Institutional holders

346

+12 vs last qtr

Net shares bought

+66.1M

by institutions in Q2 2026

New / sold out

72 / 60

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

BlackRock, Inc. +12.2M
Pzena Investment Management LLC +11.5M

Biggest sellers in Q2 2026

Boston Partners SOLD OUT −6.7M
Apollo Management Holdings, L.P. SOLD OUT −2.6M

Who is planning to sell?

Notices of proposed sale, last 12 months

$338K

2 notices from 2 people

Shares covered

38.0K

0.02% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Bruce Kendrick Officer $237K
Mark A Young Officer $101K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2021–FY2025

+0.9%

+0.23% a year

Each share's claim on the business

−0.9%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$46.6M vs $76M

over 5 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years63% 1–3 years15% Under 1 year22%

Quarterly turnover

36.6%

of institutional shares changed hands

Top 10 managers, median time held

3.5 years

Super Investors

Investment managers reporting MBC on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	31.6M	15.51%	+12.2M (+63.1%)	2022	0.0%
Shares held by quarter Peak holding31.6M (Q2'26) Change over 8 quarters+11.5M Share of the company15.510% BlackRock, Inc.'s full portfolio →
PI Pzena Investment Management LLC	15.3M	7.53%	+11.5M (+301.9%)	2022	0.5%
Shares held by quarter Peak holding15.3M (Q2'26) Change over 8 quarters+12.5M Share of the company7.530% Pzena Investment Management LLC's full portfolio →

BlackRock, Inc.

31.6M

% of company

15.51%

Change vs last qtr

+12.2M (+63.1%)

Held since

2022

Pzena Investment Management LLC

15.3M

% of company

7.53%

Change vs last qtr

+11.5M (+301.9%)

Held since

2022

28 more super investors behind a free account

See every manager holding MasterBrand, Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting MBC on Form N-PORT; together they hold 42.3% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Small-Cap ETF iShares Trust	$127M	12.3M	6.05%	0.11%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$63.2M	6.1M	3.02%	0.00%	June 30, 2026

iShares Core S&P Small-Cap ETF

iShares Trust

Position value

$127M

% of company

6.05%

% of the fund

0.11%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$63.2M

% of company

3.02%

% of the fund

0.00%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding MasterBrand, Inc. and how much of the fund the position is.

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