MasterBrand MBC Institutional Ownership

NYSE MBC

$7.43 -0.37 (-4.68%)

As of: Sep 10, 2026 · 3:59 PM EDT

Institutions by Trading Activity

346 Institutions

Increased 222 64.2%

Unchanged 70 20.2%

Reduced 54 15.6%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

142.48%

▲+21.15 pp QoQ

Shares Held by Institutions

218.86Mn

of 153.60Mn outstanding

▲+59.65% QoQ

Shares Outstanding

153.60Mn

-65.26Mn held outside 13F filers

Institutional Investors

346

filed 13F for Jun 2026

▲+13 vs prior quarter

Net Shares Added (QoQ)

+81.77Mn

accumulated since last quarter

Value of Holdings

$1.86Bn

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

MasterBrand, Inc. (NYSE:MBC) appears in 346 institutional 13F filings for the quarter ending June 2026.

These investors collectively held 142.5% of MasterBrand's outstanding shares in June 2026, up from 121.3% in March 2026.
They increased total shares held in MasterBrand by 59.65% from the prior quarter, while the number of investors in MBC increased 7.45% year over year.
Of these 346 holders, 222 added to their stakes in MasterBrand, 54 trimmed positions, and 70 made no changes.
The aggregate institutional position in MasterBrand amounted to 218.86Mn shares as of June 2026, up by 81.77Mn shares quarter on quarter, and up 92.26Mn shares year over year.
As of June 30, 2026, the biggest holder of MasterBrand is BlackRock, Inc. at 31.55Mn shares, representing 20.54% of shares outstanding.
Leading buyers of MasterBrand shares for the quarter ending June 2026 were BlackRock, Inc. (12.2Mn), PZENA INVESTMENT MANAGEMENT LLC (11.52Mn), REDWOOD CAPITAL MANAGEMENT, LLC (8.54Mn), FMR LLC (6.03Mn), PARADIGM CAPITAL MANAGEMENT INC/NY (3.54Mn).
Leading sellers of MasterBrand shares for the quarter ending June 2026 were Sixth Street Partners Management Company, L.P. (1.81Mn), Goldman Sachs Group Inc (1.09Mn), COOKE & BIELER LP (1.04Mn), RENAISSANCE TECHNOLOGIES LLC (871.48K), CANYON CAPITAL ADVISORS LLC (614.38K).
Business Quant data shows the 10 biggest positions in MasterBrand as of June 2026 are held by BlackRock, Inc. (31.55Mn), PZENA INVESTMENT MANAGEMENT LLC (15.33Mn), Coliseum Capital Management, LLC (13.2Mn), Gates Capital Management, Inc. (13.19Mn), FMR LLC (10.37Mn), REDWOOD CAPITAL MANAGEMENT, LLC (9.82Mn), DIMENSIONAL FUND ADVISORS LP (9.2Mn), VANGUARD CAPITAL MANAGEMENT LLC (8.83Mn), State Street Corp (8.2Mn), Pertento Partners LLP (5.97Mn).

Form 13F Holdings

346 Institutional Holders

Report period 30 Jun, 2026

Total shares held 218.86Mn

Of outstanding 142.48%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	31,554,598	20.54%	▲12,201,947	+63.05%	$324.70Mn
2	PZENA INVESTMENT MANAGEMENT LLC	0001027796	15,329,483	9.98%	▲11,515,469	+301.93%	$157.74Mn
3	Coliseum Capital Management, LLC	0001409751	13,200,117	8.59%	▲505,407	+3.98%	$135.83Mn
4	Gates Capital Management, Inc.	0001312908	13,186,754	8.59%	▲2,839,890	+27.45%	$135.69Mn
5	FMR LLC	0000315066	10,370,825	6.75%	▲6,030,575	+138.95%	$106.72Mn
6	REDWOOD CAPITAL MANAGEMENT, LLC	0001316622	9,821,896	6.39%	▲8,535,799	+663.70%	$101.07Mn
7	DIMENSIONAL FUND ADVISORS LP	0000354204	9,195,469	5.99%	▲2,185,041	+31.17%	$94.62Mn
8	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	8,834,686	5.75%	▲3,109,194	+54.30%	$90.91Mn
9	State Street Corp	0000093751	8,195,786	5.34%	▲3,304,720	+67.57%	$84.33Mn
10	Pertento Partners LLP	0001894571	5,968,072	3.89%	▲1,003,251	+20.21%	$61.41Mn
11	GEODE CAPITAL MANAGEMENT, LLC	0001214717	5,131,400	3.34%	▲2,032,899	+65.61%	$52.81Mn
12	Diameter Capital Partners LP	0001727012	4,779,445	3.11%	▲3,233,874	+209.23%	$49.18Mn
13	Atlas FRM LLC	0001879898	4,624,400	3.01%	▲3,324,400	+255.72%	$47.59Mn
14	PARADIGM CAPITAL MANAGEMENT INC/NY	0001037792	4,618,700	3.01%	▲3,536,609	+326.83%	$47.53Mn
15	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	4,144,271	2.70%	▲1,686,486	+68.62%	$42.64Mn
16	ACK Asset Management LLC	0001510940	3,700,000	2.41%	0	0.00%	$38.07Mn
16	Monarch Alternative Capital LP	0001281084	3,700,000	2.41%	▲1,700,000	+85.00%	$38.07Mn
17	UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0000861177	3,133,352	2.04%	▼893	-0.03%	$32.24Mn
18	Sixth Street Partners Management Company, L.P.	0001812095	3,098,412	2.02%	▼1,806,971	-36.84%	$31.88Mn
18	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	3,098,412	2.02%	▲555,451	+21.84%	$31.88Mn

Showing 1 to 20 of 346 holders