Amrize Ltd (AMRZ) Ownership
AMRZ ownership summary
as of October 18, 2026- Institutions
- 51.4% of shares outstanding
- Insiders
- 7.38% of shares outstanding
- Shares outstanding
- 546.9M
- Float
- 486.6M shares available to trade
- Short interest
- 2.05% 11.2M shares short
- Days to cover
- 2.57 short interest up 21.6% vs prior month
- Institutions 51.42%
- Insiders 7.38%
- Other investors 41.20%
AMRZ top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard Capital Management, LLC | 3.90% | 21.3M | $806.7M | +701,887 (+3.4%) | June 30, 2026 |
| 2 | BlackRock Inc | 2.96% | 16.2M | $611.3M | +732,155 (+4.7%) | June 30, 2026 |
| 3 | NORGES BANK | 2.57% | 14.1M | $532.0M | −2.9M (−16.9%) | June 30, 2026 |
| 4 | Harris Associates L.P. | 2.56% | 14.0M | $529.1M | +2.6M (+23.3%) | June 30, 2026 |
| 5 | Zurcher Kantonalbank | 1.98% | 10.8M | $410.3M | +166,786 (+1.6%) | June 30, 2026 |
| 6 | Amvescap Plc. | 1.57% | 8.6M | $325.0M | +8.0M (+1,259.1%) | June 30, 2026 |
| 7 | UBS Group AG | 1.51% | 8.3M | $312.4M | −2.7M (−24.4%) | June 30, 2026 |
| 8 | DZ BANK AG Deutsche Zentral-Genossenschaftsbank Frankfurt am Main | 1.38% | 7.5M | $285.4M | −4.5M (−37.2%) | June 30, 2026 |
| 9 | Vanguard Fiduciary Trust Co | 1.34% | 7.3M | $277.8M | +230,980 (+3.2%) | June 30, 2026 |
| 10 | Geode Capital Management, LLC | 1.14% | 6.2M | $234.8M | −70,023 (−1.1%) | June 30, 2026 |
| 11 | Pictet Asset Manangement SA | 1.07% | 5.9M | $222.1M | +655,873 (+12.6%) | June 30, 2026 |
| 12 | State Street Corp | 0.96% | 5.3M | $199.2M | +659,239 (+14.3%) | June 30, 2026 |
| 13 | JPMorgan Chase & Co | 0.96% | 5.2M | $197.9M | +1.4M (+37.0%) | June 30, 2026 |
| 14 | Victory Capital Management Inc. | 0.89% | 4.9M | $183.8M | +972,845 (+25.0%) | June 30, 2026 |
| 15 | Vontobel Holding Ltd. | 0.88% | 4.8M | $181.4M | +734,153 (+18.1%) | June 30, 2026 |
| 16 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.81% | 4.4M | $167.0M | +348,352 (+8.6%) | June 30, 2026 |
| 17 | American Century Companies Inc | 0.79% | 4.3M | $163.5M | +645,183 (+17.5%) | June 30, 2026 |
| 18 | Deutsche Bank AG | 0.75% | 4.1M | $156.0M | +1.1M (+35.6%) | June 30, 2026 |
| 19 | FMR Inc | 0.69% | 3.8M | $143.6M | +220,914 (+6.2%) | June 30, 2026 |
| 20 | Barclays PLC | 0.66% | 3.6M | $136.3M | +1.4M (+67.1%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 16 holders added 20.6M shares and 4 cut 10.1M.
AMRZ top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Artisan International Value Investor | 2.25% | 12.3M | $466.1M | — | June 30, 2026 |
| 2 | Vanguard Total Intl Stock Index Inv | 1.38% | 7.6M | $286.2M | +5,223 (+0.1%) | August 31, 2026 |
| 3 | Oakmark Investor | 1.11% | 6.1M | $230.5M | +496,000 (+8.9%) | June 30, 2026 |
| 4 | Vanguard Developed Markets Index Admiral | 0.92% | 5.0M | $190.3M | −7,871 (−0.2%) | August 31, 2026 |
| 5 | Global X US Infrastructure Dev ETF | 0.83% | 4.5M | $171.8M | +32,040 (+0.7%) | September 30, 2026 |
| 6 | Vanguard Windsor II Inv | 0.79% | 4.3M | $162.8M | +752,500 (+21.2%) | June 30, 2026 |
| 7 | SWC (CH) IEF Switzerland Ttl Resp GT CHF | 0.64% | 3.5M | $131.6M | −6,936 (−0.2%) | August 31, 2026 |
| 8 | Victory Sycamore Established Value R | 0.61% | 3.3M | $125.4M | +565,000 (+20.5%) | June 30, 2026 |
| 9 | UBS(CH)IF Equities CH All NSL I-B-acc | 0.60% | 3.3M | $123.6M | — | September 30, 2026 |
| 10 | Fidelity Extended Market Index | 0.46% | 2.5M | $94.8M | −24,109 (−1.0%) | August 31, 2026 |
| 11 | UniGlobal Vorsorge | 0.37% | 2.0M | $76.4M | −325,820 (−13.9%) | August 31, 2026 |
| 12 | UBS (CH) IF Eqs Switz Pasv All II I-B | 0.37% | 2.0M | $76.3M | — | August 31, 2026 |
| 13 | FPA Crescent | 0.35% | 1.9M | $72.9M | — | June 30, 2026 |
| 14 | Dimensional International Value ETF | 0.34% | 1.8M | $69.9M | — | September 30, 2026 |
| 15 | SWC (CH) IEF CH Ttl (II) DA CHF | 0.31% | 1.7M | $64.0M | −22,765 (−1.3%) | August 31, 2026 |
| 16 | iShares Core SPI® ETF (CH) | 0.30% | 1.6M | $62.2M | — | September 30, 2026 |
| 17 | Eq CH Leader Index A-acc | 0.30% | 1.6M | $61.2M | +15,626 (+1.0%) | August 31, 2026 |
| 18 | Vanguard Materials ETF | 0.27% | 1.5M | $55.3M | −6,464 (−0.4%) | August 31, 2026 |
| 19 | UBS SMI® ETF CHF dis | 0.26% | 1.4M | $53.2M | — | September 30, 2026 |
| 20 | SWC (CH) IEF CH Ttl (I) FA CHF | 0.25% | 1.4M | $51.9M | +4,260 (+0.3%) | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
AMRZ insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-13 | Roald Brouwer | Buy | $54.88 | 2,000 | $109,760 |
| 2026-03-13 | Mario Gross | Buy | $55.29 | 3,200 | $176,928 |
| 2026-03-11 | Jaime Hill | Buy | $58.91 | 1,000 | $58,910 |
| 2026-03-11 | Roald Brouwer | Buy | $58.72 | 3,000 | $176,160 |
| 2026-03-10 | Ian A Johnston | Buy | $58.94 | 4,250 | $250,495 |
| 2026-03-09 | Jaime Hill | Buy | $56.34 | 3,184 | $179,387 |
| 2026-03-06 | Jan Philipp Jenisch | Buy | $58.05 | 60,000 | $3.5M |
| 2026-02-19 | Ian A Johnston | Buy | $63.92 | 1,200 | $76,704 |
| 2025-11-19 | Nicholas C Gangestad | Buy | $47.34 | 2,000 | $94,680 |
| 2025-11-04 | Jaime Hill | Buy | $50.69 | 4,000 | $202,760 |
| 2025-10-31 | Roald Brouwer | Buy | $51.77 | 4,000 | $207,080 |
| 2025-10-30 | Jan Philipp Jenisch | Buy | $52.64 | 55,000 | $2.9M |
| 2025-10-03 | Ro Khanna | Buy | $48.72 | — | — |
| 2025-10-01 | Ro Khanna | Buy | $48.46 | — | — |
| 2025-08-27 | Roald Brouwer | Buy | $51.88 | 2,000 | $103,760 |
| 2025-08-22 | Jaime Hill | Buy | $49.59 | 500 | $24,795 |
| 2025-08-15 | Jaime Hill | Buy | $51.99 | 4,000 | $207,960 |
| 2025-08-15 | Stephen S Clark | Buy | $51.82 | 5,000 | $259,100 |
| 2025-08-13 | Mario Gross | Buy | $49.63 | 3,000 | $148,890 |
| 2025-08-11 | Jan Philipp Jenisch | Buy | $47.96 | 545,000 | $26.1M |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
AMRZ shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns AMRZ
Institutional investors own 51.4% of Amrize's shares and insiders 7.38%. The largest holder is Vanguard Capital Management, LLC with 3.90% of the shares (21.3M), as of June 30, 2026. Among the top 20 institutions, 16 added shares and 4 reduced their stake in the latest filings. Short interest is 2.05% of the float, or 2.57 days of average trading volume.
Related: AMRZ analyst forecast, AMRZ key metrics. See the AMRZ stock overview for the latest quote and news.
AMRZ ownership FAQ
Who owns the most Amrize stock?
The largest shareholders of Amrize are Vanguard Capital Management, LLC (3.90%), BlackRock Inc (2.96%), NORGES BANK (2.57%), Harris Associates L.P. (2.56%), Zurcher Kantonalbank (1.98%).
What percentage of Amrize is owned by institutions?
Institutions hold 51.4% of Amrize's shares outstanding; insiders hold 7.38%.
Which funds own Amrize?
The largest fund holders of Amrize are Artisan International Value Investor (2.25%), Vanguard Total Intl Stock Index Inv (1.38%), Oakmark Investor (1.11%), Vanguard Developed Markets Index Admiral (0.92%), Global X US Infrastructure Dev ETF (0.83%).
What is Amrize's short interest?
11.2M shares of Amrize were sold short, 2.05% of the float; at the average daily volume it would take 2.57 days to cover.
Are insiders buying or selling Amrize?
Of the latest 20 reported insider transactions in Amrize (since August 11, 2025), 20 were purchases and 0 were sales.
How many shares of Amrize are outstanding?
Amrize has 546.9M shares outstanding, of which 486.6M are in the public float.