Masco Corp

MAS

Exchange: NYSE
Industry: Heating Equip, Except Elec & Warm Air; & Plumbing Fixtures
SEC CIK: 0000062996

SEC filings (opens in a new tab)

No open-market purchases or sales by Masco Corp insiders were filed in the last 90 days; 922 institutions reported holding it in 13F filings for Q2 2026, worth $16.3B in total; Harris Associates (Oakmark) is the only superinvestor holding it.

13F holders, Q3 2018

Institutional positions in Masco Corp as of Sep 30, 2018. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders: 2; No complete 13F data for Q2 2018
Shares held: 59.7K; No complete 13F data for Q2 2018
Total value: $2.19M; No complete 13F data for Q2 2018

Holders and value by quarter

Institutions reporting MAS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holders

Value held

Institutions holding MAS and their total value by quarter
Quarter	Holders	Value
Q2 2026	922	$16.3B
Q1 2026	839	$12.0B
Q4 2025	844	$13.2B
Q3 2025	877	$14.4B
Q2 2025	852	$12.9B
Q1 2025	868	$13.8B
Q4 2024	856	$14.4B
Q3 2024	843	$17.0B
Q2 2024	798	$14.3B
Q1 2024	846	$17.1B
Q4 2023	789	$14.4B
Q3 2023	728	$11.2B
Q2 2023	716	$12.0B
Q1 2023	690	$11.2B
Q4 2022	701	$10.0B
Q3 2022	683	$9.79B
Q2 2022	689	$10.5B
Q1 2022	741	$11.1B
Q4 2021	773	$15.6B
Q3 2021	716	$12.5B
Q2 2021	743	$13.6B
Q1 2021	730	$14.0B

Institutions, Q3 2018

Shares, value and share of portfolio for each institution holding Masco Corp.

Our 13F data for Q2 2018 is incomplete, so changes from the previous quarter aren't shown.

Institutions holding MAS in Q3 2018
Institution	Shares	Value	% of portfolio	Change in shares	Action
Advisors Asset Management, Inc.	59,670	$2.18M	0.04%	–	–
Raffa Wealth Management, LLC	30	$1.10K	0.00%	–	–