Grantham, Mayo, Van Otterloo & Co. LLC

SEC CIK: 0001352662
Latest filing: Aug 13, 2026

SEC filings (opens in a new tab)

MTZ holding history

Mastec Inc in every 13F filed by Grantham, Mayo, Van Otterloo & Co. LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

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

Shares (Q2 2026): 847
Value: $352.4K
% of portfolio: <0.1%
Quarters held: 2; Since Q1 2024

Holdings of MTZ by Grantham, Mayo, Van Otterloo & Co. LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	847	$352.4K	<0.1%	+847	New	Holders
Q2 2024	0	$0	0.0%	−58,700−100.0%	Sold out	Holders
Q1 2024	58,700	$5.47M	<0.1%	+58,700	New	Holders