Amrize Ltd
AMRZ- Exchange
- NYSE
- Industry
- Cement, Hydraulic
- SEC CIK
- 0002035989
In the last 90 days, Amrize Ltd insiders filed 11 open-market purchases and 0 sales; 465 institutions reported holding it in 13F filings for Q2 2026, worth $13.7B in total; superinvestors Harris Associates (Oakmark) and D1 Capital Partners hold it.
Holders of 5% or more of AMRZ
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Amrize Ltd, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 6.90%38.0M shares | +1.70 ppfrom 5.20% | Jul 17, 20252 filings | Oct 17, 2025 | SEC |
| UBS Asset Management Americas Inc | 13G | 6.70%38.2M shares | New | Aug 11, 20251 filing | Aug 11, 2025 | SEC |
| Schmidheiny Thomas | 13D | 6.67%37.8M shares | New | Jun 27, 20251 filing | Jun 27, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
6 Schedule 13D and 13G filings on Amrize Ltd, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Mar 26, 20263:56 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −5.30 ppfrom 5.30%Below 5% | Mar 13, 2026 | SEC |
| Oct 30, 20252:38 PM ET | Vanguard Group Inc | 13G | 5.30%30.1M shares | New | Sep 30, 2025 | SEC |
| Oct 17, 20254:07 PM ET | BlackRock, Inc. | 13G/A | 6.90%38.0M shares | +1.70 ppfrom 5.20% | Sep 30, 2025 | SEC |
| Aug 11, 20258:17 AM ET | UBS Asset Management Americas Inc | 13G | 6.70%38.2M shares | New | Jun 30, 2025 | SEC |
| Jul 17, 20257:44 PM ET | BlackRock, Inc. | 13G | 5.20%28.9M shares | New | Jun 30, 2025 | SEC |
| Jun 27, 20256:41 AM ET | Schmidheiny Thomasand 2 others | 13D | 6.67%37.8M shares | New | Jun 23, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Amrize Ltd shares.
No Form 144 notices for Amrize Ltd are on file.