Quantum Portfolio Management LLC

Position in MAS — Masco Corp /De/

CIK 2003672 New York, NY

Position in MAS

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$124,496

New position

Shares Held

1,530

first reported quarter

Ownership

0.001%

of shares outstanding

% of Portfolio

0.06%

of 13F equity value

Holder Rank

#723

of 914 holders

Holding Since

Jun 2026

1 quarter on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

Quantum Portfolio Management LLC holds $961,509 across 4 Building Products & Equipment names. MAS ranks #2 (12.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AWI	Armstrong World Industries Inc	4,257	$682,907
2	MAS	Masco Corp /De/ This page	1,530	$124,496
3	OC	Owens Corning	771	$122,558
4	WMS	Advanced Drainage Systems, Inc.	201	$31,548

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$124,496	1,530	—	Shares	Sole	2026-08-14
No filing history on record for this holder in this stock.