Security key
57638P104
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 133,500,441
- Total 13F value
- $1,758,268,751
- Share change
- +13,498,390
- SEC-reported price per share
- $13.17
- Number of holders
- 334
- Value change
- +$180,709,700
- Number of buys
- 155
- Number of sells
- 121
- Shares outstanding
- 204,343,756
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
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
Reporting periods
Holder history for CUSIP 57638P104
Recent filing periods:
Ownership snapshot
Top reported holders of MBC - MasterBrand, Inc. - Common Stock (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.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
30 Sep 2025
13D/G
13F
Lead comparable stake: 15%
13D/G row: BlackRock, Inc.
Showing 1-6 of 15 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 15%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
15%
Gates Capital Management, Inc.
8.2%
VANGUARD GROUP INC
4.5%
Boston Partners
4.1%
DIMENSIONAL FUND ADVISORS LP
3%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13D/G
13F
Company
|
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
|
8.2%
|
$136,656,398
10,376,340 shares
|
-$21,710,429 | 30 Sep 2025 |
| VANGUARD GROUP INC |
13F
Company
|
4.5%
|
$100,381,022
9,183,991 shares
|
— | 30 Jun 2025 |
| Boston Partners |
13F
Company
|
4.1%
|
$90,631,557
8,280,239 shares
|
— | 30 Jun 2025 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
3%
|
$67,130,696
6,142,022 shares
|
— | 30 Jun 2025 |
| FMR LLC |
13F
Company
|
2.9%
|
$63,722,489
5,830,054 shares
|
— | 30 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 % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-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 did not pass the local price 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