Comparable stake leader
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
SEC ownership of Amrize Ltd
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002035989.
Disclosed value leader
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
Comparable rows
50/50
Latest evidence
22 May 2026
- Public ticker
- AMRZ on NYSE
- Parsed ownership sources
- 13D/G, 13F, and 3/4/5
- Largest SEC-reported holder
- UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
- Latest 13D/G holder
- UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
- Latest parsed ownership date
- 22 May 2026
- Issuer CIK
- 0002035989
- Issuer location
- Zug
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Amrize Ltd (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
UBS AM, a distinct busine...
Disclosed value leader
UBS AM, a distinct busine...
Comparable rows
50/50
Latest evidence
22 May 2026
13D/G
13F
3/4/5
Lead comparable stake: 6.7%
13D/G row: UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
Showing 1-8 of 50 holder rows.
Quick read
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC leads the comparable SEC ownership view at 6.7%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC's linked filing trail.
Comparable ownership
Top 5
UBS AM, a distinct business unit ...
6.7%
Thomas Schmidheiny
6.7%
VANGUARD CAPITAL MANAGEMENT LLC
5.3%
BlackRock, Inc.
3.6%
James J. Gosa
0.01%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13D/G
13F
Company
|
6.7%
|
$1,925,161,661
38,197,652 shares
|
$0 | 30 Jun 2025 |
| Thomas Schmidheiny |
13D/G
|
6.7%
|
—
37,818,703 shares
|
$0 | 23 Jun 2025 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5.3%
|
$1,690,550,216
30,177,619 shares
|
$0 | 31 Mar 2026 |
| BlackRock, Inc. |
13D/G
13F
Company
|
3.6%
|
$1,075,547,642
19,887,938 shares
|
-$980,089,950 | 31 Dec 2025 |
| James J. Gosa |
3/4/5
President, Building Envelope
|
0.01%
|
$2,647,754
41,268 shares
|
— | 21 Mar 2026 |
| Mario Gross |
3/4/5
Chief Supply Chain Officer
|
0.01%
|
$1,689,746
34,747 shares
|
+$879,908 | 19 May 2026 |
| Jaime Hill |
3/4/5
President, Building Materials
|
0%
|
$1,593,200
28,000 shares
|
+$916,309 | 12 Mar 2026 |
| Ian A. Johnston |
3/4/5
Chief Financial Officer
|
0%
|
$1,479,857
25,110 shares
|
+$828,162 | 10 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to buying over the last 12 months. Net value: +$67,567,592.
Buys
$67,567,592
Insiders: 10
Sells
$0
Insiders: 0
Net
+$67,567,592
Shares: +1,393,634
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 1,393,634
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 132,554 | 0 | $7,208,954 | $0 | +$7,208,954 |
| 3-6 | 1,200 | 0 | $76,702 | $0 | +$76,702 |
| 6-9 | 120,000 | 0 | $6,308,120 | $0 | +$6,308,120 |
| 9-12 | 1,139,880 | 0 | $53,973,816 | $0 | +$53,973,816 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 26 reporting-owner rows connected to Amrize Ltd. Open a relationship link for the CIK-to-CIK filing trail.
Rows
26
Largest Forms 3/4/5 holder
Jan Philipp Jenisch
Net 12M change
+$67,567,593
Latest report
22 May 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Jan Philipp Jenisch | Chairman & CEO, Director | $110,254,950 | +$63,426,368 | +135% | Filing P/S | 19 May 2026 |
| James J. Gosa | President, Building Envelope | $2,647,754 | Mixed | 21 Mar 2026 | ||
| Mario Gross | Chief Supply Chain Officer | $1,689,746 | +$879,908 | +109% | Filing P/S | 19 May 2026 |
| Jaime Hill | President, Building Materials | $1,593,200 | +$916,309 | +135% | Filing P/S | 12 Mar 2026 |
| Ian A. Johnston | Chief Financial Officer | $1,479,857 | +$828,162 | +127% | Filing P/S | 10 Mar 2026 |
| Jurg Amadeo Oleas | Director | $1,338,429 | Median | 21 Apr 2026 | ||
| Nollaig Forrest | Chief Mktg & Corp Affairs Off | $1,011,984 | +$100,500 | +11% | Filing P/S | 22 May 2026 |
| Roald Brouwer | Chief Technology Officer | $984,688 | +$812,708 | +473% | Filing P/S | 21 May 2026 |
| Samuel Jonas Poletti | Chief Strategy & M&A Officer | $446,391 | +$59,162 | +15% | Mixed | 27 Feb 2026 |
| Nicholas C. Gangestad | Director | $403,007 | +$94,680 | +31% | Median | 21 Apr 2026 |
| Maria Cristina Alapag Wilbur | Director | $332,422 | Median | 21 Apr 2026 | ||
| Pellanda Katja Nicole Roth | Director | $321,778 | Median | 21 Apr 2026 | ||
| Jacques Wolf Sanche | Director | $316,848 | Median | 21 Apr 2026 | ||
| Dwight Audley Konrad Gibson | Director | $290,967 | Median | 21 Apr 2026 | ||
| Holli C. Ladhani | Director | $290,967 | Median | 21 Apr 2026 | ||
| Michael E. McKelvy | Director | $290,967 | Median | 21 Apr 2026 | ||
| Robert S. Rivkin | Director | $290,967 | Median | 21 Apr 2026 | ||
| Stephen S. Clark | Chief People Officer | $277,465 | +$259,236 | +1422% | Filing P/S | 05 May 2026 |
| Denise R. Singleton | Chief Legal Officer & Corp Sec | $190,560 | +$190,560 | +100% | Filing P/S | 08 Aug 2025 |
| Donald P. Newman | Director | $166,715 | Median | 21 Apr 2026 |
Recent insider transactions for Amrize Ltd
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Nollaig Forrest | AMRZ | Ordinary Shares | Purchase | 11% | $100,500 | $50.25 | 2,000 | 20,139 | 22 May 2026 | Direct |
| Roald Brouwer | AMRZ | Ordinary Shares | Purchase | 8.22% | $74,760 | $49.84 | 1,500 | 19,757 | 21 May 2026 | Direct |
| Mario Gross | AMRZ | Ordinary Shares | Purchase | 3.58% | $58,356 | $48.63 | 1,200 | 34,747 | 20 May 2026 | Direct |
| Mario Gross | AMRZ | Ordinary Shares | Purchase | 9.05% | $137,676 | $49.17 | 2,800 | 33,747 | 19 May 2026 | Direct |
| Jan Philipp Jenisch | AMRZ | Ordinary Shares | Purchase | 0.59% | $149,880 | $49.96 | 3,000 | 515,000 | 19 May 2026 | By spouse |
| Jan Philipp Jenisch | AMRZ | Ordinary Shares | Purchase | 0.93% | $788,571 | $49.28 | 16,001 | 1,741,000 | 19 May 2026 | Direct |
| Jan Philipp Jenisch | AMRZ | Ordinary Shares | Purchase | 1.39% | $343,840 | $49.12 | 7,000 | 512,000 | 15 May 2026 | By spouse |
| Jan Philipp Jenisch | AMRZ | Ordinary Shares | Purchase | 1.26% | $1,063,731 | $49.67 | 21,417 | 1,724,999 | 15 May 2026 | Direct |
| Stephen S. Clark | AMRZ | Ordinary Shares | Purchase | 0.04% | $114 | $52.75 | 2.15 | 5,260 | 05 May 2026 | Direct |
| Nicholas C. Gangestad | AMRZ | Ordinary Shares | Award | 70.6% | 2,976 | 7,194 | 21 Apr 2026 | Direct | ||
| Nicholas C. Gangestad | AMRZ | Ordinary Shares | Tax liability | -14.9% | -740 | 4,218 | 21 Apr 2026 | Direct | ||
| Dwight Audley Konrad Gibson | AMRZ | Ordinary Shares | Award | 134.2% | 2,976 | 5,194 | 21 Apr 2026 | Direct | ||
| Dwight Audley Konrad Gibson | AMRZ | Ordinary Shares | Tax liability | -25% | -740 | 2,218 | 21 Apr 2026 | Direct | ||
| Maria Cristina Alapag Wilbur | AMRZ | Ordinary Shares | Award | 100.6% | 2,976 | 5,934 | 21 Apr 2026 | Direct | ||
| Maria Cristina Alapag Wilbur | AMRZ | Ordinary Shares | Tax liability | -6.04% | -190 | 2,958 | 21 Apr 2026 | Direct | ||
| Jacques Wolf Sanche | AMRZ | Ordinary Shares | Award | 112.7% | 2,976 | 5,616 | 21 Apr 2026 | Direct | ||
| Robert S. Rivkin | AMRZ | Ordinary Shares | Award | 134.2% | 2,976 | 5,194 | 21 Apr 2026 | Direct | ||
| Robert S. Rivkin | AMRZ | Ordinary Shares | Tax liability | -25% | -740 | 2,218 | 21 Apr 2026 | Direct | ||
| Pellanda Katja Nicole Roth | AMRZ | Ordinary Shares | Award | 107.5% | 2,976 | 5,744 | 21 Apr 2026 | Direct | ||
| Pellanda Katja Nicole Roth | AMRZ | Ordinary Shares | Tax liability | -6.42% | -190 | 2,768 | 21 Apr 2026 | Direct | ||
| Jurg Amadeo Oleas | AMRZ | Ordinary Shares | Award | 14.2% | 2,976 | 23,892 | 21 Apr 2026 | Direct | ||
| Jurg Amadeo Oleas | AMRZ | Ordinary Shares | Tax liability | -0.75% | -157 | 20,916 | 21 Apr 2026 | Direct | ||
| Donald P. Newman | AMRZ | Ordinary Shares | Award | 2,976 | 2,976 | 21 Apr 2026 | Direct | |||
| Michael E. McKelvy | AMRZ | Ordinary Shares | Award | 134.2% | 2,976 | 5,194 | 21 Apr 2026 | Direct | ||
| Michael E. McKelvy | AMRZ | Ordinary Shares | Tax liability | -25% | -740 | 2,218 | 21 Apr 2026 | Direct | ||
| Holli C. Ladhani | AMRZ | Ordinary Shares | Award | 134.2% | 2,976 | 5,194 | 21 Apr 2026 | Direct | ||
| Holli C. Ladhani | AMRZ | Ordinary Shares | Tax liability | -25% | -740 | 2,218 | 21 Apr 2026 | Direct | ||
| James J. Gosa | AMRZ | Ordinary Shares | Tax liability | -26% | -14,541 | 41,268 | 21 Mar 2026 | Direct | ||
| Mario Gross | AMRZ | Ordinary Shares | Purchase | 11.5% | $176,936 | $55.29 | 3,200 | 30,947 | 13 Mar 2026 | Direct |
| Roald Brouwer | AMRZ | Ordinary Shares | Purchase | 12.3% | $109,760 | $54.88 | 2,000 | 18,257 | 13 Mar 2026 | Direct |
| Jaime Hill | AMRZ | Ordinary Shares | Purchase | 3.7% | $56,900 | $56.90 | 1,000 | 28,000 | 12 Mar 2026 | Direct |
| Jaime Hill | AMRZ | Ordinary Shares | Purchase | 3.85% | $58,910 | $58.91 | 1,000 | 27,000 | 11 Mar 2026 | Direct |
| Roald Brouwer | AMRZ | Ordinary Shares | Purchase | 22.6% | $176,160 | $58.72 | 3,000 | 16,257 | 11 Mar 2026 | Direct |
| Ian A. Johnston | AMRZ | Ordinary Shares | Purchase | 20.4% | $250,474 | $58.94 | 4,250 | 25,110 | 10 Mar 2026 | Direct |
| Jaime Hill | AMRZ | Ordinary Shares | Purchase | 14% | $179,387 | $56.34 | 3,184 | 26,000 | 09 Mar 2026 | Direct |
| Jan Philipp Jenisch | AMRZ | Ordinary Shares | Purchase | 3.65% | $3,483,000 | $58.05 | 60,000 | 1,703,582 | 06 Mar 2026 | Direct |
| Samuel Jonas Poletti | AMRZ | Ordinary Shares | Award | 125.6% | 4,256 | 7,645 | 27 Feb 2026 | Direct | ||
| Roald Brouwer | AMRZ | Ordinary Shares | Award | 47.3% | 4,257 | 13,257 | 27 Feb 2026 | Direct | ||
| Nollaig Forrest | AMRZ | Ordinary Shares | Tax liability | -20.5% | -4,681 | 18,139 | 27 Feb 2026 | Direct | ||
| Nollaig Forrest | AMRZ | Ordinary Shares | Award | 95.7% | 11,157 | 22,820 | 27 Feb 2026 | Direct | ||
| Mario Gross | AMRZ | Ordinary Shares | Award | 18.1% | 4,257 | 27,747 | 27 Feb 2026 | Direct | ||
| Jaime Hill | AMRZ | Ordinary Shares | Tax liability | -7.79% | -1,928 | 22,816 | 27 Feb 2026 | Direct | ||
| Jaime Hill | AMRZ | Ordinary Shares | Award | 34.8% | 6,385 | 24,744 | 27 Feb 2026 | Direct | ||
| Ian A. Johnston | AMRZ | Ordinary Shares | Tax liability | -8.51% | -1,941 | 20,860 | 27 Feb 2026 | Direct | ||
| Ian A. Johnston | AMRZ | Ordinary Shares | Award | 23% | 4,257 | 22,801 | 27 Feb 2026 | Direct | ||
| Jan Philipp Jenisch | AMRZ | Ordinary Shares | Award | 9.21% | 138,582 | 1,643,582 | 27 Feb 2026 | Direct | ||
| Jan Philipp Jenisch | AMRZ | Stock Option (right to buy) | Award | 620,715 | 620,715 | 27 Feb 2026 | Direct | |||
| Ian A. Johnston | AMRZ | Ordinary Shares | Purchase | 6.92% | $76,702 | $63.92 | 1,200 | 18,544 | 19 Feb 2026 | Direct |
| Nicholas C. Gangestad | AMRZ | Ordinary Shares | Purchase | 67.6% | $94,680 | $47.34 | 2,000 | 4,958 | 19 Nov 2025 | Direct |
| Jaime Hill | AMRZ | Ordinary Shares | Purchase | 28.4% | $202,740 | $50.68 | 4,000 | 18,101 | 04 Nov 2025 | Direct |
* marks a reported price that did not pass the local price check.