Robotti Robert

SEC CIK: 0001105838
Latest filing: Aug 7, 2026

SEC filings (opens in a new tab)

AMRZ holding history

Amrize Ltd in every 13F filed by Robotti Robert, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

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

Shares (Q2 2026): 19,500
Value: $1.04M
% of portfolio: 0.2%
Quarters held: 4; Since Q3 2025

Holdings of AMRZ by Robotti Robert, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	19,500	$1.04M	0.2%	+4,500+30.0%	Added	Holders
Q1 2026	15,000	$840.3K	0.1%	+4,000+36.4%	Added	Holders
Q4 2025	11,000	$412.5K	0.1%	+2,500+29.4%	Added	Holders
Q3 2025	8,500	$412.5K	0.1%	+8,500	New	Holders