Amrize (AMRZ)
Amrize on one page: short interest, daily short volume, fails to deliver, large holders, 13F holders, earnings dates and insider trades. Listed on NYSE, classified by the SEC as cement, hydraulic.
12.6M
Short interest
settlement 2026-10-15
3.8
Days to cover
+0.9 days vs prior
62.8%
Short share of volume
2026-11-02
124,595
Fails to deliver
settlement 2026-10-14
Tue 16 Feb
Next earnings
estimated date
$2.6M
Insider flow, 90 days
17 buys, 0 sells
As of 2026-11-02.
Short interest
FINRA, twice a month. The newest 32 settlements in the table, 32 in the chart. JSONAs of 15 October 2026, short interest in AMRZ is 12,599,814 shares, up 2,859,389 shares over the last month. Over the last 32 readings it ranged from 2,499,324 shares (15 July 2025) to 12,599,814 shares (15 October 2026). The latest reading sits at the top of that range. At the reported average volume of 3.3M shares a day that is 3.8 days to cover.
Embed this chart.The embed keeps its attribution line.
<iframe src="https://xoomar.com/embed/stocks/amrz" width="100%" height="440" style="border:0;max-width:100%" loading="lazy" title="XOOMAR chart"></iframe>
| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-10-15 | 12,599,814 | +12.8% | 3,302,290 | 3.82 |
| 2026-09-30 | 11,173,154 | +14.7% | 3,857,693 | 2.90 |
| 2026-09-15 | 9,740,425 | +6.0% | 5,000,755 | 1.95 |
| 2026-08-31 | 9,188,967 | +22.9% | 3,681,814 | 2.50 |
| 2026-08-14 | 7,479,041 | -6.7% | 4,342,105 | 1.72 |
| 2026-07-31 | 8,016,985 | -3.9% | 2,624,144 | 3.06 |
| 2026-07-15 | 8,339,332 | -5.2% | 2,659,888 | 3.14 |
| 2026-06-30 | 8,799,936 | +4.7% | 3,150,027 | 2.79 |
| 2026-06-15 | 8,409,225 | +14.7% | 3,432,953 | 2.45 |
| 2026-05-29 | 7,333,516 | -9.2% | 3,733,399 | 1.96 |
| 2026-05-15 | 8,072,369 | +14.4% | 2,542,901 | 3.17 |
| 2026-04-30 | 7,053,502 | +3.9% | 3,111,816 | 2.27 |
| 2026-04-15 | 6,787,840 | +14.3% | 2,181,267 | 3.11 |
| 2026-03-31 | 5,938,933 | -5.6% | 2,716,682 | 2.19 |
| 2026-03-13 | 6,288,992 | -21.7% | 3,774,537 | 1.67 |
| 2026-02-27 | 8,035,260 | -19.6% | 4,432,424 | 1.81 |
| 2026-02-13 | 9,988,553 | +8.9% | 3,951,795 | 2.53 |
| 2026-01-30 | 9,173,746 | -7.8% | 2,900,905 | 3.16 |
| 2026-01-15 | 9,949,657 | -12.7% | 3,048,373 | 3.26 |
| 2025-12-31 | 11,399,098 | +40.0% | 2,547,924 | 4.47 |
| 2025-12-15 | 8,145,102 | -11.1% | 5,112,444 | 1.59 |
| 2025-11-28 | 9,159,325 | -9.2% | 7,616,807 | 1.20 |
| 2025-11-14 | 10,093,408 | +2.0% | 3,370,540 | 2.99 |
| 2025-10-31 | 9,894,776 | -13.1% | 3,587,271 | 2.76 |
| 2025-10-15 | 11,380,849 | +30.2% | 3,156,616 | 3.61 |
| 2025-09-30 | 8,743,458 | +59.8% | 7,937,307 | 1.10 |
| 2025-09-15 | 5,472,462 | +32.9% | 3,226,401 | 1.70 |
| 2025-08-29 | 4,118,008 | -12.4% | 1,786,354 | 2.31 |
| 2025-08-15 | 4,702,028 | +50.5% | 3,394,249 | 1.39 |
| 2025-07-31 | 3,123,806 | +25.0% | 2,534,618 | 1.23 |
| 2025-07-15 | 2,499,324 | -29.1% | 2,577,617 | 1.00 |
| 2025-06-30 | 3,524,256 | +100.0% | 4,098,806 | 1.00 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 2 November 2026, the short share of AMRZ volume is 62.8%, up 3.6 points over the last five sessions. Over the last 30 readings it ranged from 36.2% (9 October 2026) to 75.7% (14 October 2026). The latest reading is 6.4 points above the 30-session average of 56.4%, on 1.5M shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-11-02 | 916K | 1.5M | 62.8% | 3,712 |
| 2026-10-30 | 752K | 1.5M | 49.3% | 2,584 |
| 2026-10-29 | 1.5M | 3.5M | 42.8% | 12,199 |
| 2026-10-28 | 1.5M | 2.6M | 60.3% | 418 |
| 2026-10-27 | 1.3M | 1.9M | 67.1% | 2,650 |
| 2026-10-26 | 1.3M | 2.2M | 59.1% | 1,462 |
| 2026-10-23 | 780K | 1.3M | 60.8% | 800 |
| 2026-10-22 | 476K | 1.0M | 45.7% | 408 |
| 2026-10-21 | 289K | 566K | 51.2% | 7 |
| 2026-10-20 | 416K | 795K | 52.3% | 0 |
| 2026-10-19 | 341K | 866K | 39.4% | 1,408 |
| 2026-10-16 | 938K | 1.8M | 51.8% | 483 |
| 2026-10-15 | 658K | 1.1M | 60.7% | 6 |
| 2026-10-14 | 1.1M | 1.4M | 75.7% | 221 |
| 2026-10-13 | 591K | 1.1M | 54.5% | 409 |
| 2026-10-12 | 404K | 696K | 58.0% | 2,438 |
| 2026-10-09 | 352K | 973K | 36.2% | 0 |
| 2026-10-08 | 793K | 1.1M | 71.1% | 2,158 |
| 2026-10-07 | 1.0M | 1.4M | 71.8% | 66 |
| 2026-10-06 | 413K | 651K | 63.5% | 1,662 |
| 2026-10-05 | 379K | 680K | 55.7% | 0 |
| 2026-10-02 | 942K | 1.4M | 69.6% | 1,463 |
| 2026-10-01 | 880K | 1.6M | 56.4% | 181 |
| 2026-09-30 | 624K | 913K | 68.4% | 0 |
| 2026-09-29 | 749K | 1.3M | 58.6% | 0 |
| 2026-09-28 | 633K | 1.1M | 58.2% | 0 |
| 2026-09-25 | 886K | 1.4M | 62.3% | 221 |
| 2026-09-24 | 679K | 1.9M | 36.4% | 24 |
| 2026-09-23 | 536K | 1.3M | 42.7% | 1,670 |
| 2026-09-22 | 510K | 1.0M | 48.8% | 1,225 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 14 October 2026, the fails-to-deliver balance in AMRZ is 124,595 shares, up 71,521 shares over the last settlement date. Over the last 30 readings it ranged from 13 shares (10 July 2026) to 362,070 shares (10 August 2026).
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-10-14 | 124,595 | $36.42 | $4.5M |
| 2026-10-09 | 53,074 | $36.50 | $1.9M |
| 2026-10-08 | 75,100 | $36.39 | $2.7M |
| 2026-10-07 | 4,968 | $37.28 | $185K |
| 2026-10-05 | 80 | $37.26 | $3K |
| 2026-10-02 | 139,044 | $37.25 | $5.2M |
| 2026-09-30 | 135 | $37.71 | $5K |
| 2026-09-24 | 13,845 | $37.90 | $525K |
| 2026-09-18 | 23,344 | $38.19 | $892K |
| 2026-09-17 | 5,340 | $38.40 | $205K |
| 2026-09-15 | 10,326 | $39.43 | $407K |
| 2026-09-10 | 312,242 | $40.97 | $12.8M |
| 2026-09-04 | 64,735 | $44.01 | $2.8M |
| 2026-09-02 | 280 | $42.81 | $12K |
| 2026-08-31 | 90,889 | $44.67 | $4.1M |
| 2026-08-20 | 954 | $45.26 | $43K |
| 2026-08-18 | 4,852 | $45.73 | $222K |
| 2026-08-13 | 645 | $46.37 | $30K |
| 2026-08-12 | 645 | $47.60 | $31K |
| 2026-08-10 | 362,070 | $46.64 | $16.9M |
| 2026-08-06 | 1,174 | $52.88 | $62K |
| 2026-08-05 | 456 | $51.85 | $24K |
| 2026-08-04 | 45,634 | $51.08 | $2.3M |
| 2026-07-31 | 199,628 | $49.60 | $9.9M |
| 2026-07-28 | 30,000 | $49.96 | $1.5M |
| 2026-07-24 | 20,581 | $48.35 | $995K |
| 2026-07-23 | 53 | $49.56 | $3K |
| 2026-07-21 | 159,457 | $48.79 | $7.8M |
| 2026-07-13 | 24 | $50.75 | $1K |
| 2026-07-10 | 13 | $50.28 | $654 |
Insider trades
SEC Form 4, newest first. JSONInsiders at AMRZ reported 17 open-market buys worth $2.6M in the last 90 days and no open-market sells. Latest filing: Jenisch Jan Philipp (Chairman & CEO) on 2026-09-02.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-09-02 | Jenisch Jan Philipp | Chairman & CEO | Buy | 2K | $42.47 | $85K | 519K |
| 2026-09-02 | Jenisch Jan Philipp | Chairman & CEO | Buy | 2K | $42.53 | $85K | 517K |
| 2026-09-02 | Jenisch Jan Philipp | Chairman & CEO | Buy | 1K | $42.44 | $42K | 1.8M |
| 2026-09-02 | Jenisch Jan Philipp | Chairman & CEO | Buy | 15K | $42.53 | $638K | 1.8M |
| 2026-09-02 | Jenisch Jan Philipp | Chairman & CEO | Buy | 10K | $42.37 | $424K | 1.8M |
| 2026-08-27 | Gibson Dwight Audley Konrad | Director | Buy | 5 | $44.58 | $244 | 5K |
| 2026-08-26 | Sanche Jacques Wolf | Director | Buy | 4K | $45.02 | $187K | 10K |
| 2026-08-25 | Singleton Denise R | Chief Legal Officer & Corp Sec | Buy | 4K | $44.12 | $154K | 8K |
| 2026-08-25 | Forrest Nollaig | Chief Mktg & Corp Affairs Off | Buy | 2K | $44.15 | $66K | 22K |
| 2026-08-17 | Poletti Samuel Jonas | Chief Strategy & M&A Officer | Buy | 3K | $46.92 | $118K | 10K |
| 2026-08-12 | Oran Baris | Chief Financial Officer | Buy | 3K | $47.13 | $141K | 6K |
| 2026-08-11 | Hill Jaime | President, Building Materials | Buy | 2K | $47.12 | $71K | 30K |
| 2026-08-11 | Gross Mario | Chief Supply Chain Officer | Buy | 368 | $46.38 | $17K | 38K |
| 2026-08-11 | Gross Mario | Chief Supply Chain Officer | Buy | 3K | $46.62 | $149K | 38K |
| 2026-08-11 | Brouwer Roald | Chief Technology Officer | Buy | 2K | $46.36 | $70K | 21K |
| 2026-08-11 | Oran Baris | Chief Financial Officer | Buy | 3K | $47.38 | $142K | 3K |
| 2026-08-11 | Clark Stephen S | Chief People Officer | Buy | 5K | $47.31 | $249K | 11K |
| 2026-06-30 | Brouwer Roald | Chief Technology Officer | Grant | 233 | $45.31 | $11K | 20K |
| 2026-05-22 | Forrest Nollaig | Chief Mktg & Corp Affairs Off | Buy | 2K | $50.25 | $101K | 20K |
| 2026-05-21 | Brouwer Roald | Chief Technology Officer | Buy | 2K | $49.84 | $75K | 20K |
| 2026-05-20 | Gross Mario | Chief Supply Chain Officer | Buy | 1K | $48.63 | $58K | 35K |
| 2026-05-19 | Jenisch Jan Philipp | Chairman & CEO | Buy | 3K | $49.96 | $150K | 515K |
| 2026-05-19 | Jenisch Jan Philipp | Chairman & CEO | Buy | 1K | $48.55 | $49K | 1.7M |
| 2026-05-19 | Jenisch Jan Philipp | Chairman & CEO | Buy | 2K | $48.69 | $80K | 1.7M |
| 2026-05-19 | Jenisch Jan Philipp | Chairman & CEO | Buy | 2K | $48.72 | $97K | 1.7M |
| 2026-05-19 | Jenisch Jan Philipp | Chairman & CEO | Buy | 1K | $48.50 | $66K | 1.7M |
| 2026-05-19 | Jenisch Jan Philipp | Chairman & CEO | Buy | 7K | $49.69 | $348K | 1.7M |
| 2026-05-19 | Jenisch Jan Philipp | Chairman & CEO | Buy | 3K | $49.63 | $149K | 1.7M |
| 2026-05-19 | Gross Mario | Chief Supply Chain Officer | Buy | 1K | $48.63 | $49K | 34K |
| 2026-05-19 | Gross Mario | Chief Supply Chain Officer | Buy | 2K | $49.47 | $89K | 33K |
| 2026-05-15 | Jenisch Jan Philipp | Chairman & CEO | Buy | 7K | $49.12 | $344K | 512K |
| 2026-05-15 | Jenisch Jan Philipp | Chairman & CEO | Buy | 8K | $49.63 | $397K | 1.7M |
| 2026-05-15 | Jenisch Jan Philipp | Chairman & CEO | Buy | 13K | $49.69 | $667K | 1.7M |
| 2026-05-05 | Clark Stephen S | Chief People Officer | Buy | 2 | $52.75 | $113 | 5K |
| 2026-05-05 | Clark Stephen S | Chief People Officer | Buy | 2 | $52.75 | $114 | 5K |
| 2026-04-21 | Sanche Jacques Wolf | Director | Grant | 3K | $0.00 | $0 | 6K |
| 2026-04-21 | Oleas Jurg Amadeo | Director | Grant | 3K | $0.00 | $0 | 24K |
| 2026-04-21 | Oleas Jurg Amadeo | Director | Tax withholding | 157 | $57.12 | $9K | 21K |
| 2026-04-21 | Roth Pellanda Katja Nicole | Director | Grant | 3K | $0.00 | $0 | 6K |
| 2026-04-21 | Roth Pellanda Katja Nicole | Director | Tax withholding | 190 | $57.12 | $11K | 3K |
| 2026-04-21 | Wilbur Maria Cristina Alapag | Director | Grant | 3K | $0.00 | $0 | 6K |
| 2026-04-21 | Wilbur Maria Cristina Alapag | Director | Tax withholding | 190 | $57.12 | $11K | 3K |
| 2026-04-21 | Rivkin Robert S. | Director | Grant | 3K | $0.00 | $0 | 5K |
| 2026-04-21 | Rivkin Robert S. | Director | Tax withholding | 740 | $57.12 | $42K | 2K |
| 2026-04-21 | Gibson Dwight Audley Konrad | Director | Grant | 3K | $0.00 | $0 | 5K |
| 2026-04-21 | Gibson Dwight Audley Konrad | Director | Tax withholding | 740 | $57.12 | $42K | 2K |
| 2026-04-21 | Gangestad Nicholas C | Director | Grant | 3K | $0.00 | $0 | 7K |
| 2026-04-21 | Gangestad Nicholas C | Director | Tax withholding | 740 | $57.12 | $42K | 4K |
| 2026-04-21 | McKelvy Michael E | Director | Grant | 3K | $0.00 | $0 | 5K |
| 2026-04-21 | McKelvy Michael E | Director | Tax withholding | 740 | $57.12 | $42K | 2K |
| 2026-04-21 | NEWMAN DONALD P | Director | Grant | 3K | $0.00 | $0 | 3K |
| 2026-04-21 | Ladhani Holli C. | Director | Grant | 3K | $0.00 | $0 | 5K |
| 2026-04-21 | Ladhani Holli C. | Director | Tax withholding | 740 | $57.12 | $42K | 2K |
| 2026-03-21 | Gosa James J | President, Building Envelope | Tax withholding | 15K | $52.56 | $764K | 41K |
| 2026-03-13 | Gross Mario | Chief Supply Chain Officer | Buy | 1K | $55.13 | $66K | 31K |
| 2026-03-13 | Gross Mario | Chief Supply Chain Officer | Buy | 2K | $55.39 | $111K | 30K |
| 2026-03-13 | Brouwer Roald | Chief Technology Officer | Buy | 2K | $54.88 | $110K | 18K |
| 2026-03-12 | Hill Jaime | President, Building Materials | Buy | 1K | $56.90 | $57K | 28K |
| 2026-03-11 | Hill Jaime | President, Building Materials | Buy | 1K | $58.91 | $59K | 27K |
| 2026-03-11 | Brouwer Roald | Chief Technology Officer | Buy | 3K | $58.72 | $176K | 16K |
| 2026-03-10 | Johnston Ian A | Chief Financial Officer | Buy | 4K | $58.94 | $250K | 25K |
| 2026-03-09 | Hill Jaime | President, Building Materials | Buy | 3K | $56.34 | $179K | 26K |
| 2026-03-06 | Jenisch Jan Philipp | Chairman & CEO | Buy | 60K | $58.05 | $3.5M | 1.7M |
| 2026-02-27 | Jenisch Jan Philipp | Chairman & CEO | Grant | 139K | $0.00 | $0 | 1.6M |
| 2026-02-27 | Poletti Samuel Jonas | Chief Strategy & M&A Officer | Grant | 4K | $0.00 | $0 | 8K |
| 2026-02-27 | Brouwer Roald | Chief Technology Officer | Grant | 4K | $0.00 | $0 | 13K |
| 2026-02-27 | Forrest Nollaig | Chief Mktg & Corp Affairs Off | Tax withholding | 5K | $64.99 | $304K | 18K |
| 2026-02-27 | Forrest Nollaig | Chief Mktg & Corp Affairs Off | Grant | 11K | $0.00 | $0 | 23K |
| 2026-02-27 | Gross Mario | Chief Supply Chain Officer | Grant | 4K | $0.00 | $0 | 28K |
| 2026-02-27 | Hill Jaime | President, Building Materials | Tax withholding | 2K | $64.99 | $125K | 23K |
| 2026-02-27 | Hill Jaime | President, Building Materials | Grant | 6K | $0.00 | $0 | 25K |
| 2026-02-27 | Johnston Ian A | Chief Financial Officer | Tax withholding | 2K | $64.99 | $126K | 21K |
| 2026-02-27 | Johnston Ian A | Chief Financial Officer | Grant | 4K | $0.00 | $0 | 23K |
| 2026-02-19 | Johnston Ian A | Chief Financial Officer | Buy | 205 | $63.91 | $13K | 19K |
| 2026-02-19 | Johnston Ian A | Chief Financial Officer | Buy | 995 | $63.92 | $64K | 18K |
| 2025-11-19 | Gangestad Nicholas C | Director | Buy | 2K | $47.34 | $95K | 5K |
| 2025-11-04 | Hill Jaime | President, Building Materials | Buy | 4K | $50.69 | $203K | 18K |
| 2025-10-31 | Brouwer Roald | Chief Technology Officer | Buy | 1K | $51.76 | $52K | 9K |
| 2025-10-31 | Brouwer Roald | Chief Technology Officer | Buy | 3K | $51.78 | $155K | 8K |
| 2025-10-30 | Jenisch Jan Philipp | Chairman & CEO | Buy | 55K | $52.88 | $2.9M | 505K |
| 2025-10-30 | Jenisch Jan Philipp | Chairman & CEO | Buy | 55K | $52.64 | $2.9M | 1.5M |
| 2025-08-27 | Brouwer Roald | Chief Technology Officer | Buy | 2K | $51.88 | $104K | 5K |
| 2025-08-22 | Hill Jaime | President, Building Materials | Buy | 500 | $49.59 | $25K | 14K |
| 2025-08-15 | Clark Stephen S | Chief People Officer | Buy | 100 | $51.79 | $5K | 292 |
| 2025-08-15 | Hill Jaime | President, Building Materials | Buy | 4K | $51.99 | $208K | 14K |
| 2025-08-15 | Clark Stephen S | Chief People Officer | Buy | 400 | $51.86 | $21K | 5K |
| 2025-08-15 | Clark Stephen S | Chief People Officer | Buy | 1K | $51.85 | $57K | 5K |
| 2025-08-15 | Clark Stephen S | Chief People Officer | Buy | 500 | $51.84 | $26K | 4K |
| 2025-08-15 | Clark Stephen S | Chief People Officer | Buy | 1K | $51.83 | $54K | 3K |
| 2025-08-15 | Clark Stephen S | Chief People Officer | Buy | 1K | $51.82 | $52K | 2K |
| 2025-08-15 | Clark Stephen S | Chief People Officer | Buy | 301 | $51.81 | $16K | 960 |
| 2025-08-15 | Clark Stephen S | Chief People Officer | Buy | 367 | $51.80 | $19K | 659 |
| 2025-08-15 | Clark Stephen S | Chief People Officer | Buy | 22 | $51.78 | $1K | 192 |
| 2025-08-15 | Clark Stephen S | Chief People Officer | Buy | 70 | $51.63 | $4K | 170 |
| 2025-08-15 | Clark Stephen S | Chief People Officer | Buy | 100 | $51.63 | $5K | 100 |
| 2025-08-13 | Gross Mario | Chief Supply Chain Officer | Buy | 3K | $49.63 | $149K | 23K |
| 2025-08-12 | Brouwer Roald | Chief Technology Officer | Buy | 1K | $46.84 | $47K | 3K |
| 2025-08-11 | Jenisch Jan Philipp | Chairman & CEO | Buy | 50K | $47.50 | $2.4M | 450K |
| 2025-08-11 | Jenisch Jan Philipp | Chairman & CEO | Buy | 21K | $47.60 | $1.0M | 1.4M |
| 2025-08-11 | Jenisch Jan Philipp | Chairman & CEO | Buy | 4K | $47.59 | $177K | 1.4M |
Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are rarer.
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON1 holder reports 5% or more of AMRZ in its latest filing, on Schedule 13G (passive). The holder is Vanguard Capital Management at 5.3% of the class (30,177,619 shares), filed 2026-04-28 for an event on 2026-03-31.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-04-28 | 13G | Vanguard Capital Managementinvestment adviser | 30.2M | 5.3% | 2026-03-31 |
| 2026-03-26 | 13G/Ano. 1 | The Vanguard Groupinvestment adviser | 0 | 0.0% | 2026-03-13 |
| 2026-01-21 | 13G/Ano. 2 | BlackRock, Inc.parent holding company | 19.9M | 3.6% | 2025-12-31 |
13F holders
Tracked managers holding AMRZ at their latest 13F. JSON5 of the 30 tracked managers held AMRZ at their latest 13F, $133.6M in total at quarter-end prices. Renaissance Technologies is the largest at $57.8M (0.1% of its portfolio) as of 2026-06-30. Over the prior quarter 1 added shares and 4 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| Renaissance Technologies | 2026-06-30 | 1.1M | $57.8M | 0.08% | -872K |
| Citadel Advisors | 2026-06-30 | 651K | $34.7M | 0.00% | -28K |
| Two Sigma Investments | 2026-06-30 | 496K | $26.5M | 0.02% | -1.5M |
| Millennium Management | 2026-06-30 | 258K | $13.7M | 0.01% | -877K |
| AQR Capital Management | 2026-06-30 | 17K | $897K | 0.00% | +8K |
Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.
What this page is
Amrize in the regulatory record
Regulators publish company data in separate files that never sit next to each other: FINRA's twice-monthly short interest, its daily short sale volume, the SEC's fails-to-deliver counts, and each insider's Form 4. A company page puts those series for one ticker on one URL, with planned sales, large holders, 13F holders and financials beside them, so the short position, the daily flow, the settlement fails and what insiders are doing can be read together.
Each section has its own history table, a one-line summary of the latest figures and its own JSON and CSV links, and says when its source last updated.
This page follows Amrize (AMRZ), SEC CIK 2035989, listed on NYSE, classified by the SEC as cement, hydraulic. The cross-market tables live on the short interest and insider transactions hubs.
Source and updates
- Short interest
- FINRA consolidated short interestSource: FINRA.Twice a month, about eight business days after settlement. Latest 2026-10-15.JSON and CSV
- Daily short volume
- FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-11-02.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-10-14.JSON and CSV
- Large holders
- SEC EDGAR Schedule 13D and 13GSource: SEC.New filings appear shortly after the SEC posts them. A 13D is due within five business days of crossing 5%; a 13G follows the passive schedule. Latest 2026-04-28.JSON and CSV
- 13F holders
- SEC EDGAR Form 13F-HRSource: SEC.Quarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
- Earnings dates
- SEC EDGAR 8-K filings (Item 2.02)Source: SEC.Twice a day. Reported dates come from the company's 8-K filings; the next date is marked as an estimate until the 8-K arrives. Latest 2026-10-28.JSON and CSV
- Insider trades
- SEC EDGAR Form 4Source: SEC.New filings appear shortly after the SEC posts them; they're due two business days after the trade. Latest 2026-09-02.JSON and CSV
- Company record
- EDGAR filing index for CIK 2035989Ticker, name and exchange from the SEC's company list, refreshed weekly.
- Rate limits
- 10 requests a minute without a key, 30 with a free key from a free account.
How to read it
- Read the position against the flow: rising short interest with a high daily short share is new shorting; rising short interest with a normal short share is old shorts holding on.
- Insider buys next to a large short position are rare and stand out; insider sells next to one are common and mean little.
- Fails to deliver matter relative to the float, not in absolute shares; a million failed shares in a mega cap is noise.
Analysis of what the data shows, not advice. XOOMAR does not recommend buying, selling or holding anything.
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Datasets
Frequently Asked Questions
How much of AMRZ is sold short?
12,599,814 shares were held short at the 2026-10-15 settlement, 3.8 days of average volume. FINRA publishes the next count about eight business days after the 15th and the last business day of the month.
What is AMRZ's daily short volume?
On 2026-11-02, 916,418 of the 1,459,652 AMRZ shares reported to FINRA were sold short, 62.8% of the day's reported volume. Short volume is a flow for one day, not a position.
Does AMRZ have fails to deliver?
The SEC's latest file shows 124,595 AMRZ shares failed to deliver at settlement 2026-10-14. Fails are reported per settlement date and published twice a month with a lag.
Are AMRZ insiders buying or selling?
Insiders at AMRZ reported 17 open-market buys worth $2.6M in the last 90 days and no open-market sells. Latest filing: Jenisch Jan Philipp (Chairman & CEO) on 2026-09-02.
Who owns 5% or more of AMRZ?
1 holder reports 5% or more of AMRZ in its latest filing, on Schedule 13G (passive). The holder is Vanguard Capital Management at 5.3% of the class (30,177,619 shares), filed 2026-04-28 for an event on 2026-03-31.
Which tracked 13F managers own AMRZ?
5 of the 30 tracked 13F managers held AMRZ shares at their latest filing, $133.6M in all. The largest: Renaissance Technologies (1.1M shares, $57.8M), Ken Griffin's Citadel Advisors (651K shares, $34.7M), Two Sigma Investments (496K shares, $26.5M), Izzy Englander's Millennium Management (258K shares, $13.7M), Cliff Asness's AQR Capital Management (17K shares, $897K).
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.