MasterBrand, Inc. - Common Stock, par value $0.01 per share (MBC)

CUSIP: 57638P104

Q3 2025 13F Holders as of 30 Sep 2025

Security identity
Security type / class
Equity / Common Stock, par value $0.01 per share
Shares outstanding
128,229,394
Holder snapshot
Total 13F shares
133,500,441
Share change
+13,498,390
Total reported value
$1,758,268,751
Reported price per share
$13.17
Number of holders
334
Value change
+$180,709,700
Number of buys
155
Number of sells
121

Security key

57638P104

Report period

Q3 2025

Institutions

334

Top holders

10

MBC full security history Ownership snapshot Full 13F holder table Newer quarter: Q4 2025 Previous quarter: Q2 2025 MasterBrand, Inc. SEC filings MasterBrand, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of MBC - MasterBrand, Inc. - Common Stock, par value $0.01 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder
BlackRock, Inc.
13D/G signal
BlackRock, Inc.
Evidence rows
15
Latest as of
30 Sep 2025
13D/G 13F 3/4/5 Lead comparable stake: 15% 13D/G row: BlackRock, Inc. Showing 1-6 of 15 holder rows.
Holder Evidence Ownership % Position 12M Net Δ As of
BlackRock, Inc.
13D/G 13F
Company
13D/G 13F
15%
$233,849,689
19,358,418 shares
 $0 31 Mar 2025
Gates Capital Management, Inc.
13D/G 13F
Gates Capital Management, L.P. · Company
13D/G 13F
8.2%
$136,656,398
10,376,340 shares
 -$21,710,429 30 Sep 2025
Robert Crisci
3/4/5
Director
3/4/5
0.06%
$887,264
79,504 shares
 — 05 Jun 2025
Ann F. Hackett
3/4/5
Director
3/4/5
0.05%
$653,853
58,589 shares
 — 05 Jun 2025
Juliana L. Chugg
3/4/5
Director
3/4/5
0.04%
$518,861
46,493 shares
 — 05 Jun 2025
Jeffery S. Perry
3/4/5
Director
3/4/5
0.03%
$477,770
42,811 shares
 — 05 Jun 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
334
Shares
133,500,441
Rows available
334
Investor Option Weight % Change % Reported value * Price Shares Share Change Activity Report Period

* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that failed the local validity check.

Compare Q3 2025 vs Q2 2025 Across Filers

Q2 2025 holders
322
Q3 2025 holders
334
Holder diff
12
Investor Q2 2025 Shares Q3 2025 Shares Share Diff Share Chg % Q2 2025 value Q3 2025 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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