Form 13F security
MBC · MASTERBRAND INC
Class COMMON STOCK
As filed on Form 13F — long US-listed positions only. No shorts, cash, bonds, or non-13F assets appear here.
Filed up to 45 days after quarter end; holdings may have changed since.
Tracked managers holding it
Share and principal positions
| Manager | Quarter | Value | % of portfolio | SH/PRN qty | Put/call |
|---|---|---|---|---|---|
| PZENA INVESTMENT MANAGEMENT LLC | 2026-06-30 | $158M | 0.5% | SH 15,329,483 | — |
| GAMCO INVESTORS, INC. ET AL | 2026-06-30 | $0.6M | <0.1% | SH 55,857 | — |
Total $158M across 2 of 69 managers.
Sums are across tracked reports, not unique economic ownership.
PZENA INVESTMENT MANAGEMENT LLC — Combined report.
Filed rows (2) — as filed
| Manager | Class | Put/call | Value | % of portfolio | SH/PRN qty | Source |
|---|---|---|---|---|---|---|
| PZENA INVESTMENT MANAGEMENT LLC | COMMON STOCK | — | $158M | 0.5% | SH 15,329,483 | 0001027796-26-000049 |
| GAMCO INVESTORS, INC. ET AL | EQUITY | — | $0.6M | <0.1% | SH 55,857 | 0001140361-26-032508 |
Quarter-to-quarter notes
Reported change, not a confirmed trade: this compares quarter-end reports filed up to 45 days later, and the position may since have changed. Amendments, corporate actions, and changes in reporting scope can also move these rows. Value change compares period-end reported values; for continuing rows it includes market price movement.
No longer reported by Miller Value Partners, LLC.
Changes appear only where the prior quarter's validated report exists.