# AMRIZE LTD (AMRZ) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: H2927K103
Page URL: https://superinvestorclub.com/stock/AMRZ
Last updated: 2026-08-29T13:48:01.507Z

## Summary

As of the most recent 13F filing period, AMRIZE LTD (AMRZ) is held by 4 tracked superinvestors with an aggregate position value of $1.08B representing 01399094531773252187487880000 shares.

## Top institutional holders (4)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Bill Nygren](https://superinvestorclub.com/manager/73) | Harris Associates | 13990945 | $745.7M | 0.99% | 2026-06-30 |
| 2 | [Steven Romick](https://superinvestorclub.com/manager/289) | First Pacific Advisors | 3177325 | $169.4M | 2.09% | 2026-06-30 |
| 3 | [Dan Sundheim](https://superinvestorclub.com/manager/303) | D1 Capital Partners | 2187487 | $116.6M | 0.34% | 2026-06-30 |
| 4 | [Leon Cooperman](https://superinvestorclub.com/manager/235) | Omega Advisors | 880000 | $46.9M | 1.32% | 2026-06-30 |

## Ownership history (quarter-over-quarter)

- 2025-06-30: 1 holders, $622.1M aggregate, 012470706 shares
- 2025-09-30: 2 holders, $323.1M aggregate, 05786541880000 shares
- 2025-12-31: 4 holders, $1.14B aggregate, 01137954753854413408072880000 shares
- 2026-03-31: 2 holders, $811.8M aggregate, 0113447673146383 shares
- 2026-06-30: 4 holders, $1.08B aggregate, 01399094531773252187487880000 shares

## Recent congressional trades (9)

- 2025-11-04: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-10-24: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-10-20: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-10-17: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-10-15: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-10-14: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-10-08: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-10-03: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-10-01: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000

## Recent insider transactions (0)


## Citation

When citing, use: "AMRIZE LTD (AMRZ) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/AMRZ), aggregating SEC 13F, Form 4, and congressional disclosures."