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United States Lime & Minerals (USLM)

United States Lime & Minerals on one page: short interest, daily short volume, fails to deliver, large holders, 13F holders, earnings dates and insider trades. Listed on Nasdaq, classified by the SEC as mining & quarrying of nonmetallic minerals (no fuels).

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1.1M

Short interest

settlement 2026-09-30

6.7

Days to cover

-1.9 days vs prior

70.2%

Short share of volume

2026-10-09

1

Fails to deliver

settlement 2026-09-14

Wed 28 Oct

Next earnings

estimated date

$0

Insider flow, 90 days

1 buys, 1 sells

As of 2026-10-09.

Short interest

FINRA, twice a month. The newest 24 settlements in the table, 48 in the chart. JSON

As of 30 September 2026, short interest in USLM is 1,135,400 shares, up 147,660 shares over the last month. Over the last 48 readings it ranged from 144,591 shares (15 November 2024) to 1,135,400 shares (30 September 2026). The latest reading sits at the top of that range. At the reported average volume of 169K shares a day that is 6.7 days to cover.

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SettlementShares shortChangeAvg daily volumeDays to cover
2026-09-301,135,400+12.1%168,9256.72
2026-09-151,013,148+2.6%118,1028.58
2026-08-31987,740+4.8%152,2856.49
2026-08-14942,835+8.1%118,9387.93
2026-07-31872,189+0.7%184,4574.73
2026-07-15866,024-0.8%187,1884.63
2026-06-30873,407+46.0%395,5092.21
2026-06-15598,001+18.2%261,3382.29
2026-05-29505,917+1.5%137,7593.67
2026-05-15498,298+1.7%136,6453.65
2026-04-30490,133+4.2%144,9563.38
2026-04-15470,414+0.5%134,0913.51
2026-03-31467,955-12.6%185,9762.52
2026-03-13535,114+7.1%109,3404.89
2026-02-27499,556+5.2%60,7678.22
2026-02-13474,725-8.3%114,9024.13
2026-01-30517,416+28.3%84,6456.11
2026-01-15403,251-6.3%91,0854.43
2025-12-31430,551-6.1%78,8815.46
2025-12-15458,360+3.1%75,2886.09
2025-11-28444,411+16.9%59,3127.49
2025-11-14380,296-21.3%72,9605.21
2025-10-31483,083+13.0%80,6455.99
2025-10-15427,367-0.8%77,4155.52

Daily short volume

FINRA Reg SHO, the last 30 sessions. JSON

As of 9 October 2026, the short share of USLM volume is 70.2%, down 10.3 points over the last five sessions. Over the last 30 readings it ranged from 46.3% (22 September 2026) to 82.9% (30 September 2026). The latest reading is 3.1 points above the 30-session average of 67.1%, on 32K shares reported.

DateShort volumeTotal volumeShort shareExempt
2026-10-0923K32K70.2%0
2026-10-0826K33K78.5%0
2026-10-0711K18K58.6%0
2026-10-0633K49K68.2%0
2026-10-0516K24K68.4%0
2026-10-0226K33K80.6%86
2026-10-0150K72K69.8%0
2026-09-3051K62K82.9%0
2026-09-2923K33K69.2%0
2026-09-2819K28K67.7%211
2026-09-2520K29K70.6%2
2026-09-2443K77K55.8%0
2026-09-2373K103K70.8%0
2026-09-2229K62K46.3%0
2026-09-2131K48K65.2%0
2026-09-1832K47K68.3%0
2026-09-1725K43K58.7%0
2026-09-1626K41K62.8%39
2026-09-1558K88K66.1%0
2026-09-1439K54K72.7%0
2026-09-1115K22K66.7%0
2026-09-1017K31K56.6%0
2026-09-0922K32K67.8%0
2026-09-0818K36K50.2%0
2026-09-0412K18K65.0%90
2026-09-0336K58K63.0%0
2026-09-0227K42K64.5%0
2026-09-0131K38K80.5%0
2026-08-3134K45K76.8%0
2026-08-2838K52K72.3%1

Fails to deliver

SEC, the last 30 settlement dates with a fail. JSON

As of 14 September 2026, the fails-to-deliver balance in USLM is 1 share, down 55 shares over the last settlement date. Over the last 30 readings it ranged from 1 share (10 April 2026) to 60,816 shares (21 August 2026). The latest reading sits at the bottom of that range.

SettlementShares failedPriceValue
2026-09-141$117.82$118
2026-09-1156$115.89$6K
2026-09-03246$115.47$28K
2026-08-277$118.09$827
2026-08-265$119.07$595
2026-08-2160,816$120.20$7.3M
2026-08-2048$119.44$6K
2026-08-171,098$117.41$129K
2026-08-1274$120.48$9K
2026-07-22263$107.07$28K
2026-07-13331$101.08$33K
2026-07-023,343$106.03$354K
2026-07-0191$104.67$10K
2026-06-263,781$107.15$405K
2026-06-24489$105.83$52K
2026-06-2373$111.12$8K
2026-06-1812$110.37$1K
2026-06-157$108.39$759
2026-06-10120$107.45$13K
2026-05-1930$104.32$3K
2026-05-13408$109.45$45K
2026-04-21140$137.49$19K
2026-04-101$136.24$136
2026-03-10136$118.97$16K
2026-03-06124$121.45$15K
2026-02-27803$113.97$92K
2026-02-17153$108.46$17K
2026-02-124,817$107.76$519K
2026-01-21129$126.91$16K
2026-01-073$127.36$382

Insider trades

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

Over the last 90 days USLM insiders reported 1 open-market buy ($2.2M) against 1 sell ($2.2M), so the dollar flow leans toward selling. Latest filing: DOUMET ANTOINE M (Director) on 2026-09-09.

DateInsiderTitleTypeSharesPriceValueOwned after
2026-09-09DOUMET ANTOINE MDirectorSell20K$110.00$2.2M90K
2026-09-09Candou Holdings Ltd.10% ownerBuy20K$110.00$2.2M17.7M
2026-05-01Wolkenstein Jon ADirectorGrant1K$110.00$140K4K
2026-05-01Weirich Lila RDirectorGrant1K$110.00$140K4K
2026-05-01Duhe Sandra CDirectorGrant1K$110.00$140K4K
2026-05-01CARDIN RICHARD WDirectorGrant1K$110.00$140K17K
2026-05-01Hawkins Tom S JrDirectorGrant1K$110.00$140K11K
2026-03-17DOUMET ANTOINE MDirectorOption exercise12K$10.71$129K110K
2026-03-03Duhe Sandra CDirectorSell1K$120.45$154K2K
2026-02-03Wiedemer Michael LVice PresidentTax withholding165$118.13$19K6K
2026-02-03Stone Timothy WadeVice PresidentTax withholding136$118.13$16K5K
2026-02-03O'Neill NathanVice PresidentTax withholding166$118.13$20K8K
2026-02-03Gagnon John JVice PresidentTax withholding123$118.13$15K6K
2026-02-02Wiedemer Michael LVice PresidentGrant426$123.61$53K7K
2026-02-02Wiedemer Michael LVice PresidentTax withholding95$123.61$12K7K
2026-02-02Stone Timothy WadeVice PresidentGrant336$123.61$42K5K
2026-02-02Stone Timothy WadeVice PresidentTax withholding100$123.61$12K5K
2026-02-02O'Neill NathanVice PresidentGrant426$123.61$53K8K
2026-02-02O'Neill NathanVice PresidentTax withholding105$123.61$13K8K
2026-02-02Gagnon John JVice PresidentGrant210$123.61$26K6K
2026-02-02Gagnon John JVice PresidentTax withholding75$123.61$9K6K
2025-12-31BYRNE TIMOTHY WPresident & CEOGrant48K$119.74$5.7M115K
2025-12-31BYRNE TIMOTHY WPresident & CEOTax withholding19K$119.74$2.2M67K
2025-12-04Hawkins Tom S JrDirectorGift100$0.00$0180
2025-12-04Hawkins Tom S JrDirectorGift100$0.00$010K
2025-12-04Hawkins Tom S JrDirectorGift80$0.00$010K
2025-09-05BYRNE TIMOTHY WPresident & CEOGift500$120.99$60K86K
2025-09-04BYRNE TIMOTHY WPresident & CEOSell596$120.76$72K86K
2025-09-04BYRNE TIMOTHY WPresident & CEOSell12K$119.43$1.4M87K
2025-09-03BYRNE TIMOTHY WPresident & CEOSell1K$124.18$173K99K
2025-09-03BYRNE TIMOTHY WPresident & CEOSell26K$120.88$3.1M100K
2025-05-02CARDIN RICHARD WDirectorGrant1K$99.81$140K16K
2025-05-02Duhe Sandra CDirectorGrant1K$99.81$140K2K
2025-05-02Hawkins Tom S JrDirectorGrant1K$99.81$140K10K
2025-05-02Weirich Lila RDirectorGrant1K$99.81$140K3K
2025-05-02Wolkenstein Jon ADirectorGrant1K$99.81$140K3K
2025-03-03DOUMET ANTOINE MDirectorOption exercise12K$13.34$160K98K
2025-02-24Duhe Sandra CDirectorSell3K$94.61$299K2K
2025-02-06Stone Timothy WadeVice PresidentGift40$0.00$05K
2025-02-03Gagnon John JVice PresidentTax withholding103$110.47$11K6K
2025-02-03Gagnon John JVice PresidentGrant210$110.47$23K6K
2025-02-03Stone Timothy WadeVice PresidentGrant336$110.47$37K5K
2025-02-03Stone Timothy WadeVice PresidentTax withholding103$110.47$11K5K
2025-02-03O'Neill NathanVice PresidentTax withholding124$110.47$14K8K
2025-02-03O'Neill NathanVice PresidentGrant426$110.47$47K8K
2025-02-03Wiedemer Michael LVice PresidentGrant426$110.47$47K7K
2025-02-03Wiedemer Michael LVice PresidentTax withholding116$110.47$13K6K
2025-02-02Gagnon John JVice PresidentTax withholding178$110.58$20K6K
2025-02-02Stone Timothy WadeVice PresidentTax withholding192$110.58$21K5K
2025-02-02O'Neill NathanVice PresidentTax withholding208$110.58$23K8K

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. JSON

1 holder reports 5% or more of USLM in its latest filing, on Schedule 13G (passive). The holder is BlackRock, Inc. at 5.6% of the class (1,618,587 shares), filed 2026-07-30 for an event on 2026-06-30.

FiledFormHolderSharesOf classEvent
2026-07-3013GBlackRock, Inc.parent holding company1.6M5.6%2026-06-30

13F holders

Tracked managers holding USLM at their latest 13F. JSON

7 of the 30 tracked managers held USLM at their latest 13F, $96.5M in total at quarter-end prices. Renaissance Technologies is the largest at $63.7M (0.1% of its portfolio) as of 2026-06-30. Over the prior quarter 4 added shares and 3 cut.

FundQuarterSharesValueOf portfolioChange in shares
Renaissance Technologies2026-06-30609K$63.7M0.09%-5K
Millennium Management2026-06-30123K$12.9M0.00%+93K
Citadel Advisors2026-06-3098K$10.2M0.00%+89K
AQR Capital Management2026-06-3049K$5.1M0.00%-7K
Point72 Asset Management2026-06-3019K$2.0M0.00%new
D. E. Shaw & Co.2026-06-3016K$1.7M0.00%-2K
Two Sigma Investments2026-06-308K$823K0.00%+3K

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

United States Lime & Minerals 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 United States Lime & Minerals (USLM), SEC CIK 82020, listed on Nasdaq, classified by the SEC as mining & quarrying of nonmetallic minerals (no fuels). 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 2026-09-30.JSON and CSV
Daily short volume
FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-10-09.JSON and CSV
Fails to deliver
SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-09-14.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 2026-07-30.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 2026-07-29.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 2026-09-09.JSON and CSV
Company record
EDGAR filing index for CIK 82020Ticker, 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.

Other companies the SEC classifies as mining & quarrying of nonmetallic minerals (no fuels)

Other company pages

Datasets

Frequently Asked Questions

How much of USLM is sold short?
1,135,400 shares were held short at the 2026-09-30 settlement, 6.7 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 USLM's daily short volume?
On 2026-10-09, 22,822 of the 32,493 USLM shares reported to FINRA were sold short, 70.2% of the day's reported volume. Short volume is a flow for one day, not a position.
Does USLM have fails to deliver?
The SEC's latest file shows 1 USLM shares failed to deliver at settlement 2026-09-14. Fails are reported per settlement date and published twice a month with a lag.
Are USLM insiders buying or selling?
Over the last 90 days USLM insiders reported 1 open-market buy ($2.2M) against 1 sell ($2.2M), so the dollar flow leans toward selling. Latest filing: DOUMET ANTOINE M (Director) on 2026-09-09.
Who owns 5% or more of USLM?
1 holder reports 5% or more of USLM in its latest filing, on Schedule 13G (passive). The holder is BlackRock, Inc. at 5.6% of the class (1,618,587 shares), filed 2026-07-30 for an event on 2026-06-30.
Which tracked 13F managers own USLM?
7 of the 30 tracked 13F managers held USLM shares at their latest filing, $96.5M in all. The largest: Renaissance Technologies (609K shares, $63.7M), Izzy Englander's Millennium Management (123K shares, $12.9M), Ken Griffin's Citadel Advisors (98K shares, $10.2M), Cliff Asness's AQR Capital Management (49K shares, $5.1M), Steve Cohen's Point72 Asset Management (19K shares, $2.0M), D. E. Shaw & Co. (16K shares, $1.7M). The table above lists all 7.

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