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ACK Asset Management LLC

Position in MBC — MasterBrand, Inc.

CIK 1510940 GREENWICH, CT

Position in MBC

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$30,747,000
+$5,355,000 QoQ
Shares Held
3,700,000
+60.9% QoQ
Ownership
2.89%
of shares outstanding
% of Portfolio
3.97%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2024
6 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in MBC Over Time

Shares Held

Position Value (USD)

Position in Furnishings, Fixtures & Appliances

Consumer Cyclical · as of Mar 31, 2026

ACK Asset Management LLC holds $30,747,000 across 1 Furnishings, Fixtures & Appliances name. MBC ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 MBC
MasterBrand, Inc.
This page
3,700,000 $30,747,000

All Filings in MBC

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6 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $30,747,000 3,700,000
2025-12-31 $25,392,000 2,300,000
2025-09-30 $30,291,000 2,300,000
2025-03-31 $17,010,650 1,302,500
2024-12-31 $21,549,750 1,475,000
2024-09-30 $12,051,000 650,000