First Manhattan Co

SEC CIK: 0000728083
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

MBC holding history

MasterBrand, Inc. in every 13F filed by First Manhattan Co, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

MBC overview All 13F holders of MBC Full Q2 2026 holdings

Shares (Q3 2023): 0; Sold out in Q3 2023
Value: $0
% of portfolio: 0.0%
Quarters held: 3; Since Q4 2022

Holdings of MBC by First Manhattan Co, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q3 2023	0	$0	0.0%	−134−100.0%	Sold out	Holders
Q2 2023	134	$1.56K	<0.1%	−1,888−93.4%	Reduced	Holders
Q1 2023	2,022	$16.3K	<0.1%	+411+25.5%	Added	Holders
Q4 2022	1,611	$12.2K	<0.1%	+1,611	New	Holders