Amrize, Ltd. (AMRZ) Top Institutional Shareholders
Amrize, Ltd. (AMRZ) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $12.89B in AMRZ holdings during the latest filing period.
Vanguard Capital Management Llc is currently the largest disclosed institutional shareholder of AMRZ tracked by InsiderSet, reporting ownership valued at approximately $1.15B in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $1.12B, representing an estimated loss of -2.43% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 46% of the total disclosed AMRZ value among the investors covered in this analysis. Major shareholders include Vanguard Capital Management Llc, Blackrock, Inc., Dz Bank Ag Deutsche Zentral Genossenschafts Bank, Frankfurt Am Main, and several other long-term asset managers with concentrated positions in Amrize, Ltd. (AMRZ).
This page ranks the largest institutional AMRZ shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
438
Total Reported Value
$12.89B
Largest Holder
Vanguard Capital Management Llc
Largest Position
$1.15B
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
95
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Vanguard Capital Management Llc | 0.03% | 20,628,430 | $1,146,781,267 | $1,118,886,043 | -$27,895,224 | -2.43% | |
| Blackrock, Inc. | 0.02% | 15,432,336 | $864,519,462 | $837,049,905 | -$27,469,557 | -3.18% | |
| Dz Bank Ag Deutsche Zentral Genossenschafts Bank, Frankfurt Am Main | 0.61% | 12,010,037 | $672,194,861 | $651,424,407 | -$20,770,454 | -3.09% | |
| Harris Associates L P | 0.85% | 11,344,767 | $635,533,837 | $615,340,162 | -$20,193,675 | -3.18% | |
| Ubs Group Ag | 0.11% | 10,929,766 | $612,285,491 | $592,830,508 | -$19,454,983 | -3.18% | |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1.26% | 10,681,187 | $578,756,477 | $579,347,583 | +$591,106 | +0.10% | |
| Vanguard Fiduciary Trust Co | 0.10% | 7,114,738 | $395,964,607 | $385,903,389 | -$10,061,218 | -2.54% | |
| Wellington Management Group Llp | 0.07% | 6,711,677 | $364,755,626 | $364,041,360 | -$714,266 | -0.20% | |
| Geode Capital Management, Llc | 0.02% | 6,277,998 | $350,280,011 | $340,518,612 | -$9,761,399 | -2.79% | |
| Pictet Asset Management Holding Sa | 0.30% | 5,216,765 | $283,016,545 | $282,957,334 | -$59,211 | -0.02% | |
| Allspring Global Investments Holdings, Llc | 0.44% | 4,772,941 | $263,370,885 | $258,884,320 | -$4,486,565 | -1.70% | |
| State Street Corp | 0.01% | 4,608,449 | $258,165,313 | $249,962,274 | -$8,203,039 | -3.18% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.31% | 4,066,433 | $227,789,065 | $220,563,326 | -$7,225,739 | -3.17% | |
| Vontobel Holding Ltd. | 0.76% | 4,061,916 | $221,242,900 | $220,318,324 | -$924,576 | -0.42% | |
| First Manhattan Co. Llc. | 0.61% | 3,937,879 | $220,599,982 | $213,590,557 | -$7,009,425 | -3.18% | |
| Victory Capital Management Inc | 0.14% | 3,886,958 | $217,747,387 | $210,828,602 | -$6,918,785 | -3.18% | |
| Slate Path Capital Lp | 3.12% | 3,752,947 | $210,240,091 | $203,559,845 | -$6,680,246 | -3.18% | |
| American Century Companies Inc | 0.11% | 3,676,648 | $205,953,032 | $199,421,388 | -$6,531,644 | -3.17% | |
| Fmr Llc | 0.01% | 3,576,588 | $198,279,039 | $193,994,133 | -$4,284,906 | -2.16% | |
| First Pacific Advisors, Lp | 2.47% | 3,146,383 | $176,260,376 | $170,659,814 | -$5,600,562 | -3.18% | |
| Deutsche Bank Ag\ | 0.06% | 3,041,291 | $170,373,123 | $164,959,624 | -$5,413,499 | -3.18% | |
| Legal & General Group Plc | 0.03% | 2,667,308 | $145,522,582 | $144,674,786 | -$847,796 | -0.58% | |
| Gates Capital Management, Inc. | 4.66% | 2,412,533 | $135,150,099 | $130,855,790 | -$4,294,309 | -3.18% | |
| River Road Asset Management, Llc | 1.42% | 2,243,463 | $125,678,797 | $121,685,433 | -$3,993,364 | -3.18% | |
| Jane Street Group, Llc | 0.14% | 2,243,106 | $125,658,797 | $121,666,069 | -$3,992,728 | -3.18% | |
| Barclays Plc | 0.04% | 2,157,044 | $120,837,605 | $116,998,067 | -$3,839,538 | -3.18% | |
| Citigroup Inc | 0.08% | 2,224,925 | $120,556,573 | $120,679,932 | +$123,359 | +0.10% | |
| Bank Julius Baer & Co. Ltd, Zurich | 0.34% | 2,040,347 | $113,270,257 | $110,668,421 | -$2,601,836 | -2.30% | |
| Two Sigma Investments, Lp | 0.09% | 1,957,129 | $109,638,367 | $106,154,677 | -$3,483,690 | -3.18% | |
| Renaissance Technologies LLC | Jim Simons | 0.17% | 1,956,600 | $109,608,732 | $106,125,984 | -$3,482,748 | -3.18% |
| Vanguard Asset Management, Ltd | 0.09% | 1,841,026 | $102,125,831 | $99,857,250 | -$2,268,581 | -2.22% | |
| Northern Trust Corp | 0.01% | 1,788,094 | $100,169,026 | $96,986,219 | -$3,182,807 | -3.18% | |
| Bank Of America Corp | 0.01% | 1,758,269 | $98,498,228 | $95,368,511 | -$3,129,717 | -3.18% | |
| Fil Ltd | 0.07% | 1,712,890 | $95,944,460 | $92,907,154 | -$3,037,306 | -3.17% | |
| Charles Schwab Investment Management Inc | 0.01% | 1,687,633 | $94,541,201 | $91,537,214 | -$3,003,987 | -3.18% | |
| Amundi | 0.03% | 1,654,739 | $92,698,479 | $89,753,043 | -$2,945,436 | -3.18% | |
| Goldman Sachs Group Inc | 0.01% | 1,597,035 | $89,465,901 | $86,623,178 | -$2,842,723 | -3.18% | |
| Marshall Wace, Llp | 0.09% | 1,548,536 | $84,148,658 | $83,992,593 | -$156,065 | -0.19% | |
| Swiss National Bank | 0.05% | 1,460,874 | $81,838,161 | $79,237,806 | -$2,600,355 | -3.18% | |
| Vanguard Portfolio Management Llc | 0.00% | 1,420,900 | $79,598,818 | $77,069,616 | -$2,529,202 | -3.18% | |
| 1832 Asset Management L.P. | 0.10% | 1,400,120 | $78,434,722 | $75,942,509 | -$2,492,213 | -3.18% | |
| National Pension Service | 0.06% | 1,389,060 | $77,815,141 | $75,342,614 | -$2,472,527 | -3.18% | |
| Sih Partners, Lllp | 2.32% | 1,344,470 | $75,317,209 | $72,924,053 | -$2,393,156 | -3.18% | |
| Vaughan Nelson Investment Management, L.P. | 0.72% | 1,272,918 | $71,308,866 | $69,043,072 | -$2,265,794 | -3.18% | |
| Millennium Management Llc | 0.05% | 1,134,317 | $63,544,438 | $61,525,354 | -$2,019,084 | -3.18% | |
| Dje Kapital Ag | 1.33% | 1,113,036 | $60,194,263 | $60,371,073 | +$176,810 | +0.29% | |
| Cambiar Investors Llc | 2.74% | 1,056,207 | $59,168,716 | $57,288,668 | -$1,880,048 | -3.18% | |
| Universal- Beteiligungs- Und Servicegesellschaft Mbh | 0.10% | 1,039,046 | $58,012,758 | $56,357,855 | -$1,654,903 | -2.85% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.01% | 1,009,553 | $56,555,160 | $54,758,155 | -$1,797,005 | -3.18% | |
| Morgan Stanley | 0.00% | 981,106 | $54,961,589 | $53,215,189 | -$1,746,400 | -3.18% |
Frequently asked questions about AMRZ
Who owns the most AMRZ stock?
The largest holders of AMRZ are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for Amrize, Ltd. (AMRZ).
Is AMRZ widely held by superinvestors?
Many widely followed stocks like AMRZ appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly AMRZ is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.