Who owns MasterBrand, Inc., from the filings themselves: stakes over 5% (Schedule 13D/G), the institutional managers reporting the stock each quarter (13F), and the funds holding it (N-PORT).
Investors crossing 5% ownership must disclose it. Schedule 13G filers certify the stake is passive; Schedule 13D is the general form for everyone else — founders, strategic holders, and activists alike. Each entry is the holder's most recent disclosure. Coverage begins with SEC's structured filings from December 18, 2024; a holder appears once they file or amend after that date.
Coliseum Capital Management, LLC: 6.5% · 13,200,117 shares — Coliseum Capital, LLC: 5.1% · 10,380,699 shares — Coliseum Capital Partners, L.P.: 5.1% · 10,380,699 shares
Gates Capital Management, L.P.: 6.5% · 13,186,754 shares — Gates Capital Management GP, LLC: 6.5% · 13,186,754 shares — Gates Capital Management, Inc.: 6.5% · 13,186,754 shares
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Sign up freeEvery institutional manager whose latest 13F reports this stock, largest position first. "% of their portfolio" is the weight inside that manager's own book — how much conviction the position represents; "% of company" is how much of MasterBrand, Inc. they hold. Together these 449 managers report 122.38% of shares outstanding.
| Investor | Position value | Shares | % of their portfolio | % of company | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. | $325M | 31,554,598 | 0.00% | 15.51% | June 30, 2026 |
| PZENA INVESTMENT MANAGEMENT LLC | $158M | 15,329,483 | 0.46% | 7.53% | June 30, 2026 |
447 more institutional holders behind a free account
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Sign up freeFunds disclosing this stock in their monthly N-PORT portfolio, with the position's share of the fund's net assets. Together these 277 funds hold 32.95% of shares outstanding — counted inside the manager totals above, not on top of them, since a fund's shares also appear in its manager's 13F.
| Fund | Position value | % of net assets | % of company | As of |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | $127M | 0.11% | 6.05% | June 30, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND | $63.2M | 0.00% | 3.02% | June 30, 2026 |
275 more funds behind a free account
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