MasterBrand MBC Institutional Ownership

NYSE MBC

$7.17 +0.27 (+3.91%)

At close: Oct 29, 2026 · 4:00 PM EDT

Institutions by Trading Activity

346 Institutions

Increased 222 64.2%

Unchanged 71 20.5%

Reduced 53 15.3%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

—

13F totals exceed reported shares outstanding

Shares Held by Institutions

215.76Mn

of 203.40Mn outstanding

▲+39.66% QoQ

Shares Outstanding

203.40Mn

Institutional Investors

346

filed 13F for Jun 2026

▲+13 vs prior quarter

Net Shares Added (QoQ)

+61.27Mn

accumulated since last quarter

Value of Holdings

$1.55Bn

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

Updated Oct 11, 2026

MasterBrand, Inc. (NYSE:MBC) had 345 institutional holders reporting a position on Form 13F for the quarter ended June 30, 2026.

Total shares held in MasterBrand rose 39.66% versus Q1 2026, while the number of holders rose 7.81% versus Q2 2025.
Looking at the 345 holders of MBC individually, 222 added to their positions, 53 reduced their stakes and 70 left their positions unchanged.
Altogether, institutional holders owned 215.76Mn MBC shares at the end of Q2 2026, up 61.27Mn from the prior quarter and up 98.27Mn from a year earlier.
BlackRock, Inc. was the top holder of MasterBrand as of June 30, 2026, with 31.55Mn shares.
Holders that added the most shares of MasterBrand in Q2 2026 were BlackRock, Inc. (+12.2Mn shares), Pzena Investment Management LLC (+11.52Mn shares), Redwood Capital Management, LLC (+8.54Mn shares), FMR LLC (+6.03Mn shares) and Paradigm Capital Management Inc (+3.54Mn shares).
Holders that trimmed the most shares of MasterBrand in Q2 2026 while keeping a position were Goldman Sachs Group Inc (-1.09Mn shares), Cooke & Bieler LP (-1.04Mn shares), Renaissance Technologies LLC (-871.48K shares), Canyon Capital Advisors LLC (-614.38K shares) and Millennium Management LLC (-366.22K shares).
Per Business Quant data, the 10 largest holders of MasterBrand at the end of Q2 2026 were BlackRock, Inc. (31.55Mn shares), Pzena Investment Management LLC (15.33Mn shares), Coliseum Capital Management, LLC (13.2Mn shares), Gates Capital Management, Inc. (13.19Mn shares), FMR LLC (10.37Mn shares), Redwood Capital Management, LLC (9.82Mn shares), Dimensional Fund Advisors LP (9.2Mn shares), Vanguard Capital Management LLC (8.83Mn shares), State Street Corp (8.2Mn shares) and Pertento Partners LLP (5.97Mn shares).

Form 13F Holdings

347 Institutional Holders

Report period 30 Jun, 2026

Total shares held 215.76Mn

Of outstanding —

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	31,554,598	15.51%	▲12,201,947	+63.05%	$324.70Mn
2	PZENA INVESTMENT MANAGEMENT LLC	0001027796	15,329,483	7.54%	▲11,515,469	+301.93%	$157.74Mn
3	Coliseum Capital Management, LLC	0001409751	13,200,117	6.49%	▲505,407	+3.98%	$135.83Mn
4	Gates Capital Management, Inc.	0001312908	13,186,754	6.48%	▲2,839,890	+27.45%	$135.69Mn
5	FMR LLC	0000315066	10,370,825	5.10%	▲6,030,575	+138.95%	$106.72Mn
6	REDWOOD CAPITAL MANAGEMENT, LLC	0001316622	9,821,896	4.83%	▲8,535,799	+663.70%	$101.07Mn
7	DIMENSIONAL FUND ADVISORS LP	0000354204	9,195,469	4.52%	▲2,185,041	+31.17%	$94.62Mn
8	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	8,834,686	4.34%	▲3,109,194	+54.30%	$90.91Mn
9	State Street Corp	0000093751	8,195,786	4.03%	▲3,304,720	+67.57%	$84.33Mn
10	Pertento Partners LLP	0001894571	5,968,072	2.93%	▲1,003,251	+20.21%	$61.41Mn
11	GEODE CAPITAL MANAGEMENT, LLC	0001214717	5,131,400	2.52%	▲2,032,899	+65.61%	$52.81Mn
12	Diameter Capital Partners LP	0001727012	4,779,445	2.35%	▲3,233,874	+209.23%	$49.18Mn
13	Atlas FRM LLC	0001879898	4,624,400	2.27%	▲3,324,400	+255.72%	$47.59Mn
14	PARADIGM CAPITAL MANAGEMENT INC/NY	0001037792	4,618,700	2.27%	▲3,536,609	+326.83%	$47.53Mn
15	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	4,144,271	2.04%	▲1,686,486	+68.62%	$42.64Mn
16	ACK Asset Management LLC	0001510940	3,700,000	1.82%	0	0.00%	$38.07Mn
16	Monarch Alternative Capital LP	0001281084	3,700,000	1.82%	▲1,700,000	+85.00%	$38.07Mn
17	UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0000861177	3,133,352	1.54%	▼893	-0.03%	$32.24Mn
18	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	3,098,412	1.52%	▲555,451	+21.84%	$31.88Mn
19	STONEHILL CAPITAL MANAGEMENT LLC	0001266227	2,662,946	1.31%	▲1,206,306	+82.81%	$27.40K

Showing 1 to 20 of 347 holders