Amrize Ltd
Amrize Ltd (AMRZ) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · AMRZ · as of Sep 30, 2025
Ownership Breakdown
330
Institutional Holders
▲ 130 vs Q2
$9.93B
Total Inst. Value
▲ $1.55B vs Q2
552.74M
Shares Outstanding
freeFloat 89.23%
204.91M
13F Shares Held
▲ 36.18M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
AMRZ largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC cement, hydraulic | 30.09M | 5.44% | 5.44% | $1.47T | Nov 7, 2025 | ▲ 8.74M |
UBS GROUP AG cement, hydraulic | 16.45M | 2.97% | 2.97% | $798.21B | Nov 13, 2025 | ▲ 993.3K |
FMR LLC cement, hydraulic | 12.36M | 2.23% | 2.23% | $596.03B | Nov 13, 2025 | NEW |
WELLINGTON MANAGEMENT GROUP LLP cement, hydraulic | 11.62M | 2.10% | 2.10% | $561.02B | Nov 14, 2025 | ▲ 3.81M |
ZURCHER KANTONALBANK (ZURICH CANTONALBANK) cement, hydraulic | 9.52M | 1.72% | 1.72% | $459.24B | Nov 14, 2025 | ▲ 420.7K |
BLACKROCK, INC. cement, hydraulic | 8.64M | 1.56% | 1.56% | $419.21B | Nov 12, 2025 | ▲ 8.47M |
SLATE PATH CAPITAL LP cement, hydraulic | 6.12M | 1.11% | 1.11% | $297.12B | Nov 14, 2025 | NEW |
GEODE CAPITAL MANAGEMENT, LLC cement, hydraulic | 5.89M | 1.07% | 1.07% | $286.17B | Nov 12, 2025 | ▲ 5.89M |
DODGE & COX cement, hydraulic | 5.79M | 1.05% | 1.05% | $280.42B | Nov 13, 2025 | ▼ 6.68M |
PICTET ASSET MANAGEMENT HOLDING SA cement, hydraulic | 4.98M | 90.07% | 90.07% | $240.36B | Nov 18, 2025 | ▼ 70.5K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
19
Increased
+42.41M shares17
New Positions
first time holders14
Decreased
−15.53M shares0
Sold Out
fully exitedNet shares change (top 50)
+26.87M
+42.41M / −15.53M
Net new holders
+22
17 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
AMRZ insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
25
Buy transactions
8
Sell transactions
3.13
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Forrest Nollaig Chief Mktg & Corp Affairs Off | May 22, 2026 | Purchase | 2,000 | $50.25 | $100.5K | 20.1K | Form 4 ↗ |
Brouwer Roald Chief Technology Officer | May 21, 2026 | Purchase | 1,500 | $49.84 | $74.8K | 19.8K | Form 4 ↗ |
Gross Mario Chief Supply Chain Officer | May 20, 2026 | Purchase | 1,200 | $48.63 | $58.4K | 34.7K | Form 4 ↗ |
Gross Mario Chief Supply Chain Officer | May 19, 2026 | Purchase | 1,000 | $48.63 | $48.6K | 33.7K | Form 4 ↗ |
Gross Mario Chief Supply Chain Officer | May 19, 2026 | Purchase | 1,800 | $49.47 | $89.0K | 32.7K | Form 4 ↗ |
Jenisch Jan Philipp Chairman & CEO | May 19, 2026 | Purchase | 1,000 | $48.55 | $48.5K | 1.74M | Form 4 ↗ |
Jenisch Jan Philipp Chairman & CEO | May 19, 2026 | Purchase | 1,640 | $48.69 | $79.9K | 1.74M | Form 4 ↗ |
Jenisch Jan Philipp Chairman & CEO | May 19, 2026 | Purchase | 2,000 | $48.72 | $97.4K | 1.74M | Form 4 ↗ |
Jenisch Jan Philipp Chairman & CEO | May 19, 2026 | Purchase | 1,360 | $48.50 | $66.0K | 1.74M | Form 4 ↗ |
Jenisch Jan Philipp Chairman & CEO | May 19, 2026 | Purchase | 7,000 | $49.69 | $347.8K | 1.74M | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Amrize Ltd (AMRZ) is primarily owned by institutional investors, who hold approximately 37.1% of total shares outstanding. Company insiders own approximately 10.77%, while retail and public investors account for the remaining 52.16%.
The largest institutional shareholder of Amrize Ltd is VANGUARD GROUP INC, holding approximately 30.09 million shares — equal to 5.44% of outstanding shares — as of September 30, 2025.
A total of 330 institutional investors currently hold AMRZ stock, with a combined institutional value of approximately $9.93 billion as of the most recent 13F filing period.
Frequently asked questions
AMRZ ownershipAmrize Ltd (AMRZ) is primarily owned by institutional investors, who hold approximately 37.1% of shares. The largest shareholder is VANGUARD GROUP INC with a 5.44% stake. Company insiders hold 10.77%. Data sourced from SEC Form 13F as of September 30, 2025.