XOOMAR

Amrize Ltd (AMRZ)

Every FINRA and SEC series the site collects for Amrize Ltd: short interest with days to cover, daily short sale volume, fails to deliver and Form 4 insider trades. Listed on NYSE, classified by the SEC as cement, hydraulic.

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9.2M

Short interest

settlement 2026-08-31

2.5

Days to cover

+22.9% vs prior

57.1%

Short share of volume

2026-09-17

90,889

Fails to deliver

settlement 2026-08-31

Tue 27 Oct

Next earnings

estimated; last year 2025-10-28

5 people

Insiders buying, 30 days

$1.6M combined, latest 2026-09-02

$2.6M

Insider flow, 90 days

16 buys, 0 sells

As of 2026-09-17.

Short interest

FINRA, twice a month; the last 12 months shown, all 29 settlements in the JSON

As of 31 August 2026, short interest in AMRZ is 9,188,967 shares, up 1,171,982 shares over the last month. Over the last 29 readings it ranged from 2,499,324 shares (15 July 2025) to 11,399,098 shares (31 December 2025). At the reported average volume of 3.7M shares a day that is 2.5 days to cover.

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SettlementShares shortChangeAvg daily volumeDays to cover
2026-08-319,188,967+22.9%3,681,8142.50
2026-08-147,479,041-6.7%4,342,1051.72
2026-07-318,016,985-3.9%2,624,1443.06
2026-07-158,339,332-5.2%2,659,8883.14
2026-06-308,799,936+4.7%3,150,0272.79
2026-06-158,409,225+14.7%3,432,9532.45
2026-05-297,333,516-9.2%3,733,3991.96
2026-05-158,072,369+14.4%2,542,9013.17
2026-04-307,053,502+3.9%3,111,8162.27
2026-04-156,787,840+14.3%2,181,2673.11
2026-03-315,938,933-5.6%2,716,6822.19
2026-03-136,288,992-21.7%3,774,5371.67
2026-02-278,035,260-19.6%4,432,4241.81
2026-02-139,988,553+8.9%3,951,7952.53
2026-01-309,173,746-7.8%2,900,9053.16
2026-01-159,949,657-12.7%3,048,3733.26
2025-12-3111,399,098+40.0%2,547,9244.47
2025-12-158,145,102-11.1%5,112,4441.59
2025-11-289,159,325-9.2%7,616,8071.20
2025-11-1410,093,408+2.0%3,370,5402.99
2025-10-319,894,776-13.1%3,587,2712.76
2025-10-1511,380,849+30.2%3,156,6163.61
2025-09-308,743,458+59.8%7,937,3071.10
2025-09-155,472,462+32.9%3,226,4011.70

Daily short volume

FINRA Reg SHO, last 60 sessions. JSON

As of 17 September 2026, the short share of AMRZ volume is 57.1%, up 0.9 points over the last five sessions. Over the last 52 readings it ranged from 23.3% (2 September 2026) to 68.9% (18 August 2026). The latest reading is 12.5 points above the 30-session average of 44.6%, on 1.3M shares reported.

DateShort volumeTotal volumeShort shareExempt
2026-09-17749K1.3M57.1%1,409
2026-09-16476K1.2M39.9%3,171
2026-09-15946K2.3M41.4%160
2026-09-14742K1.4M52.1%11,301
2026-09-11547K1.3M40.7%1,754
2026-09-101.3M2.3M56.2%483
2026-09-09886K2.1M41.3%241
2026-09-081.1M2.0M53.1%1,499
2026-09-04515K1.4M37.3%1,090
2026-09-03893K3.2M27.9%397
2026-09-02682K2.9M23.3%3,929
2026-09-01467K1.5M31.7%153
2026-08-31368K1.0M36.4%800
2026-08-28310K716K43.4%0
2026-08-27375K848K44.1%693
2026-08-26517K1.2M41.8%675
2026-08-25767K1.8M42.2%1,524
2026-08-24593K1.2M50.0%191
2026-08-21578K1.1M50.3%3,123
2026-08-20457K1.2M36.7%4,718
2026-08-19737K1.4M51.7%881
2026-08-181.3M1.9M68.9%939
2026-08-17915K1.7M54.4%7,347
2026-08-14393K802K49.0%923
2026-08-13415K1.0M40.9%1,493
2026-08-12781K1.5M52.7%2,550
2026-08-11505K2.0M25.1%480
2026-08-101.2M2.4M49.5%2,788
2026-08-071.9M4.1M45.9%2,755
2026-08-06961K1.8M53.9%0

Fails to deliver

SEC, by settlement date. JSON

As of 31 August 2026, the fails-to-deliver balance in AMRZ is 90,889 shares, up 89,935 shares over the last settlement date. Over the last 52 readings it ranged from 1 share (15 April 2026) to 463,851 shares (23 March 2026).

SettlementShares failedPriceValue
2026-08-3190,889$44.67$4.1M
2026-08-20954$45.26$43K
2026-08-184,852$45.73$222K
2026-08-13645$46.37$30K
2026-08-12645$47.60$31K
2026-08-10362,070$46.64$16.9M
2026-08-061,174$52.88$62K
2026-08-05456$51.85$24K
2026-08-0445,634$51.08$2.3M
2026-07-31199,628$49.60$9.9M
2026-07-2830,000$49.96$1.5M
2026-07-2420,581$48.35$995K
2026-07-2353$49.56$3K
2026-07-21159,457$48.79$7.8M
2026-07-1324$50.75$1K
2026-07-1013$50.28$654
2026-07-08409$50.94$21K
2026-07-07282$54.01$15K
2026-07-0154$53.30$3K
2026-06-30147,875$53.15$7.9M
2026-06-29284$55.87$16K
2026-06-2429,819$52.80$1.6M
2026-06-23441$53.64$24K
2026-06-221,500$55.35$83K
2026-06-1838,081$54.24$2.1M
2026-06-15233$53.17$12K
2026-06-1255$52.33$3K
2026-06-0922,109$50.80$1.1M
2026-06-08450$53.58$24K
2026-06-044,094$53.85$220K

Insider trades

SEC Form 4, newest first, 50 of 100 shown. JSON

Insiders at AMRZ reported 16 open-market buys worth $2.6M in the last 90 days and no open-market sells. Clustered voluntary buying is historically the stronger insider signal because insiders buy for one reason. Latest filing: Jenisch Jan Philipp (Chairman & CEO) on 2026-09-02.

DateInsiderTitleTypeSharesPriceValueOwned after
2026-09-02Jenisch Jan PhilippChairman & CEOBuy2K$42.53$85K517K
2026-09-02Jenisch Jan PhilippChairman & CEOBuy1K$42.44$42K1.8M
2026-09-02Jenisch Jan PhilippChairman & CEOBuy15K$42.53$638K1.8M
2026-09-02Jenisch Jan PhilippChairman & CEOBuy10K$42.37$424K1.8M
2026-08-27Gibson Dwight Audley Konradn/aBuy5$44.58$2445K
2026-08-26Sanche Jacques Wolfn/aBuy4K$45.02$187K10K
2026-08-25Singleton Denise RChief Legal Officer & Corp SecBuy4K$44.12$154K8K
2026-08-25Forrest NollaigChief Mktg & Corp Affairs OffBuy2K$44.15$66K22K
2026-08-17Poletti Samuel JonasChief Strategy & M&A OfficerBuy3K$46.92$118K10K
2026-08-12Oran BarisChief Financial OfficerBuy3K$47.13$141K6K
2026-08-11Hill JaimePresident, Building MaterialsBuy2K$47.12$71K30K
2026-08-11Gross MarioChief Supply Chain OfficerBuy368$46.38$17K38K
2026-08-11Gross MarioChief Supply Chain OfficerBuy3K$46.62$149K38K
2026-08-11Brouwer RoaldChief Technology OfficerBuy2K$46.36$70K21K
2026-08-11Oran BarisChief Financial OfficerBuy3K$47.38$142K3K
2026-08-11Clark Stephen SChief People OfficerBuy5K$47.31$249K11K
2026-06-30Brouwer RoaldChief Technology OfficerGrant233$45.31$11K20K
2026-05-22Forrest NollaigChief Mktg & Corp Affairs OffBuy2K$50.25$101K20K
2026-05-21Brouwer RoaldChief Technology OfficerBuy2K$49.84$75K20K
2026-05-20Gross MarioChief Supply Chain OfficerBuy1K$48.63$58K35K
2026-05-19Jenisch Jan PhilippChairman & CEOBuy3K$49.96$150K515K
2026-05-19Jenisch Jan PhilippChairman & CEOBuy1K$48.55$49K1.7M
2026-05-19Jenisch Jan PhilippChairman & CEOBuy2K$48.69$80K1.7M
2026-05-19Jenisch Jan PhilippChairman & CEOBuy2K$48.72$97K1.7M
2026-05-19Jenisch Jan PhilippChairman & CEOBuy1K$48.50$66K1.7M
2026-05-19Jenisch Jan PhilippChairman & CEOBuy7K$49.69$348K1.7M
2026-05-19Jenisch Jan PhilippChairman & CEOBuy3K$49.63$149K1.7M
2026-05-19Gross MarioChief Supply Chain OfficerBuy1K$48.63$49K34K
2026-05-19Gross MarioChief Supply Chain OfficerBuy2K$49.47$89K33K
2026-05-15Jenisch Jan PhilippChairman & CEOBuy7K$49.12$344K512K
2026-05-15Jenisch Jan PhilippChairman & CEOBuy8K$49.63$397K1.7M
2026-05-15Jenisch Jan PhilippChairman & CEOBuy13K$49.69$667K1.7M
2026-05-05Clark Stephen SChief People OfficerBuy2$52.75$1135K
2026-05-05Clark Stephen SChief People OfficerBuy2$52.75$1145K
2026-04-21Sanche Jacques Wolfn/aGrant3K$0.00$06K
2026-04-21Oleas Jurg Amadeon/aGrant3K$0.00$024K
2026-04-21Oleas Jurg Amadeon/aTax withholding157$57.12$9K21K
2026-04-21Roth Pellanda Katja Nicolen/aGrant3K$0.00$06K
2026-04-21Roth Pellanda Katja Nicolen/aTax withholding190$57.12$11K3K
2026-04-21Wilbur Maria Cristina Alapagn/aGrant3K$0.00$06K
2026-04-21Wilbur Maria Cristina Alapagn/aTax withholding190$57.12$11K3K
2026-04-21Rivkin Robert S.n/aGrant3K$0.00$05K
2026-04-21Rivkin Robert S.n/aTax withholding740$57.12$42K2K
2026-04-21Gibson Dwight Audley Konradn/aGrant3K$0.00$05K
2026-04-21Gibson Dwight Audley Konradn/aTax withholding740$57.12$42K2K
2026-04-21Gangestad Nicholas Cn/aGrant3K$0.00$07K
2026-04-21Gangestad Nicholas Cn/aTax withholding740$57.12$42K4K
2026-04-21McKelvy Michael En/aGrant3K$0.00$05K
2026-04-21McKelvy Michael En/aTax withholding740$57.12$42K2K
2026-04-21NEWMAN DONALD Pn/aGrant3K$0.00$03K

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 the rarer, stronger signal.

Large holders (13D and 13G)

One row per reporting person, newest filing first. JSON

3 holders above 5% have filed on AMRZ, all on Schedule 13G (passive). The largest reported stake 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.

FiledFormHolderSharesOf classEvent
2026-04-2813GVanguard Capital Managementinvestment adviser30.2M5.3%2026-03-31
2026-03-2613G/Ano. 1The Vanguard Groupinvestment adviser00.0%2026-03-13
2026-01-2113G/Ano. 2BlackRock, Inc.parent holding company19.9M3.6%2025-12-31
2025-10-3013GThe Vanguard Groupinvestment adviser30.1M5.3%2025-09-30
2025-10-1713G/Ano. 1BlackRock, Inc.parent holding company38.0M6.9%2025-09-30

13F holders

Tracked managers holding AMRZ at their latest 13F. JSON

5 of the 30 tracked managers held AMRZ at their latest 13F, $161.5M in total at quarter-end prices. Citadel Advisors is the largest at $62.6M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 1 added shares and 3 cut.

FundQuarterSharesValueOf portfolioChange in shares
Citadel Advisors2026-06-301.2M$62.6M0.01%-133K
Renaissance Technologies2026-06-301.1M$57.8M0.08%-872K
Two Sigma Investments2026-06-30496K$26.5M0.02%-1.5M
Millennium Management2026-06-30258K$13.7M0.01%new or n/a
AQR Capital Management2026-06-3017K$897K0.00%+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 Ltd 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 pulls every series the site collects for one ticker onto one URL, keyed by the SEC's own ticker list, 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 summary sentence built from the rows (last value, change, range with dates) and its own JSON and CSV links. Nothing on the page is written by a model; the sentences change only when the data does. A page exists only for companies with data in at least two series, and every section says when its source last updated.

This page follows Amrize Ltd (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 method

Short interest
FINRA consolidated short interestTwice a month, about eight business days after settlement. Latest 2026-08-31.JSON and CSV
Daily short volume
FINRA Reg SHO daily filesEvery trading day, loaded the following morning. Latest 2026-09-17.JSON and CSV
Fails to deliver
SEC fails-to-deliver dataTwice a month, a few weeks after the half month ends. Latest 2026-08-31.JSON and CSV
Large holders
SEC EDGAR Schedule 13D and 13GEDGAR read every 30 minutes; 13D within five business days of crossing 5%, 13G on the passive schedule. Latest 2026-04-28.JSON and CSV
13F holders
SEC EDGAR Form 13F-HRQuarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
Earnings dates
SEC EDGAR 8-K Item 2.02 (full-text search)EDGAR full-text search read twice a day; the estimate is last year's date plus 52 weeks. Latest 2026-08-06.JSON and CSV
Insider trades
SEC EDGAR Form 4EDGAR read every 30 minutes; filings are 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
30 requests a minute without a key, 120 a minute with a key from a free account.

Data checks. Every dataset is checked against its source once a day. This dataset passed the last run, 18 Sep 05:40 UTC.

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 crowded short are the combination that has historically preceded squeezes; insider sells next to a crowded short 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.

Other companies the SEC classifies as cement, hydraulic

Datasets

Frequently Asked Questions

How much of AMRZ is sold short?
9,188,967 shares were held short at the 2026-08-31 settlement, 2.5 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 2026-09-17, 749,006 of the 1,310,731 AMRZ shares reported to FINRA were sold short, 57.1% 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 90,889 AMRZ shares failed to deliver at settlement 2026-08-31. Fails are reported per settlement date and published twice a month with a lag.
Are AMRZ insiders buying or selling?
Insiders at AMRZ reported 16 open-market buys worth $2.6M in the last 90 days and no open-market sells. Clustered voluntary buying is historically the stronger insider signal because insiders buy for one reason. Latest filing: Jenisch Jan Philipp (Chairman & CEO) on 2026-09-02.
Who owns more than 5% of AMRZ?
3 holders above 5% have filed on AMRZ, all on Schedule 13G (passive). The largest reported stake 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 funds hold AMRZ?
5 of the 30 tracked managers held AMRZ at their latest 13F, $161.5M in total at quarter-end prices. Citadel Advisors is the largest at $62.6M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 1 added shares and 3 cut.

Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.