Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in AMRZ held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | 20.6M | $1.15B | β | 3.732% | 0.03% |
| 2 | BlackRock, Inc. | 15.4M | $864.5M | +8.7% | 2.792% | 0.02% |
| 3 | DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt | 12.0M | $672.2M | +24.3% | 2.173% | 0.66% |
| 4 | HARRIS ASSOCIATES L P | 11.3M | $635.5M | -0.3% | 2.053% | 0.85% |
| 5 | UBS Group AG | 11.2M | $628.3M | -18.5% | 2.029% | 0.09% |
| 6 | Zurcher Kantonalbank (Zurich Cantonalbank) | 10.7M | $578.8M | +10.4% | 1.932% | 1.26% |
| 7 | VANGUARD FIDUCIARY TRUST CO | 7.1M | $396.0M | β | 1.287% | 0.10% |
| 8 | WELLINGTON MANAGEMENT GROUP LLP | 6.7M | $364.8M | -47.2% | 1.214% | 0.07% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 6.3M | $350.3M | +3.0% | 1.136% | 0.02% |
| 10 | Pictet Asset Management Holding SA | 5.2M | $283.0M | +4.7% | 0.944% | 0.30% |
| 11 | Allspring Global Investments Holdings, LLC | 4.8M | $263.4M | +3.7% | 0.864% | 0.44% |
| 12 | STATE STREET CORP | 4.6M | $258.2M | +5.1% | 0.834% | 0.01% |
| 13 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 4.1M | $227.8M | +124752.1% | 0.736% | 0.31% |
| 14 | Vontobel Holding Ltd. | 4.1M | $221.2M | -11.7% | 0.735% | 0.76% |
| 15 | FIRST MANHATTAN CO | 3.9M | $220.6M | -2.5% | 0.712% | 0.61% |
| 16 | VICTORY CAPITAL MANAGEMENT INC | 3.9M | $217.7M | β | 0.703% | 0.14% |
| 17 | Slate Path Capital LP | 3.8M | $210.2M | -35.9% | 0.679% | 3.12% |
| 18 | AMERICAN CENTURY COMPANIES INC | 3.7M | $206.0M | +69.2% | 0.665% | 0.11% |
| 19 | FMR LLC | 3.6M | $198.3M | -28.7% | 0.647% | 0.01% |
| 20 | First Pacific Advisors, LP | 3.1M | $176.3M | -7.7% | 0.569% | 2.47% |
| 21 | DEUTSCHE BANK AG\ | 3.0M | $170.4M | -3.0% | 0.550% | 0.06% |
| 22 | Legal & General Group Plc | 2.7M | $145.5M | -0.5% | 0.483% | 0.03% |
| 23 | Gates Capital Management, Inc. | 2.4M | $135.2M | -1.3% | 0.436% | 4.66% |
| 24 | River Road Asset Management, LLC | 2.2M | $125.7M | -22.2% | 0.406% | 1.42% |
| 25 | BARCLAYS PLC | 2.2M | $120.8M | -53.3% | 0.390% | 0.05% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in AMRZ β a direct measure of their conviction.
Filings activity in AMRZ during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new AMRZ position in Q1 2026
Institutions that fully closed their AMRZ position in Q1 2026
4 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 435 | +14% | 43.82% | 3.99 pp | $12.88B | 8.3% |
| Q4 2025 | 381 | +23% | 47.81% | +14.28 pp | $14.05B | +43% |
| Q3 2025 | 310 | +57% | 33.53% | +5.65 pp | $9.85B | +20% |
| Q2 2025 | 197 | β | 27.88% | β | $8.19B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Latest Form 4 transactions by company officers and directors. Insider buys are widely viewed as the highest-conviction signal because executives are risking personal capital.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| May 21, 2026 | Brouwer Roald | Buy | 2K | $49.84 | $75K |
| May 19, 2026 | Jenisch Jan Philipp | Buy | 3K | $49.63 | $149K |
| May 19, 2026 | Gross Mario | Buy | 2K | $49.47 | $89K |
Quick answers to the most common questions about buying AMRZ stock.
Based on Q1 2026 13F filings, institutional ownership of Amrize Ltd stands at 43.8%, held across 435 reporting institutions.
VANGUARD CAPITAL MANAGEMENT LLC is the largest reported institutional holder of AMRZ, with approximately 20,628,430 shares worth $1.15B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of AMRZ.
Our composite Smart Money Score for AMRZ is 36 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
115 institutions opened new positions in AMRZ during Q1 2026, while 61 fully exited. 234 added to existing positions and 85 trimmed.
AMRZ institutional ownership fell by 3.99 percentage points quarter-over-quarter, with a net change of +54 holders.
The top 10 institutions account for 46.0% of all reported 13F value in AMRZ, and the top 25 account for 68.5%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.