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United States Lime & Minerals Inc

USLM
Exchange
Nasdaq
Industry
Mining & Quarrying of Nonmetallic Minerals (No Fuels)
SEC CIK
0000082020

In the last 90 days, United States Lime & Minerals Inc insiders filed 1 open-market purchase and 2 sales; 236 institutions reported holding it in 13F filings for Q2 2026, worth $978.3M in total; no superinvestor holds it.

Four kinds of short-selling data, each measuring something different:

  • Short interest: shares sold short and not yet bought back, as of a settlement date. FINRA publishes it twice a month, about eight business days after the settlement date.
  • Daily short volume: shares sold short each day in off-exchange trades reported to FINRA. It counts trades, not open positions, and is published the next day.
  • Fails-to-deliver: shares not delivered by the settlement date. The SEC publishes them twice a month, about two weeks late.
  • ATS (dark pool) volume: weekly volume on alternative trading systems and other off-exchange venues. FINRA publishes it two to four weeks after the week.

More in the glossary.

Short interest

Shares sold short and not yet bought back, from FINRA, on every settlement date in the last two years.

Short interest
1.05M
Shares, settlement Oct 30, 2026
Change
−87.3K
−7.7% vs. Oct 15, 2026
Days to cover
7.89
Short interest ÷ average daily volume
Average daily volume
133.0K
Shares, as reported by FINRA
Short interest by settlement date
Oct 31, 2024: 150,854 sharesNov 15, 2024: 144,591 sharesNov 29, 2024: 208,785 sharesDec 13, 2024: 194,502 sharesDec 31, 2024: 211,779 sharesJan 15, 2025: 266,960 sharesJan 31, 2025: 359,725 sharesFeb 14, 2025: 498,910 sharesFeb 28, 2025: 489,832 sharesMar 14, 2025: 516,879 sharesMar 31, 2025: 543,621 sharesApr 15, 2025: 513,851 sharesApr 30, 2025: 534,935 sharesMay 15, 2025: 467,315 sharesMay 30, 2025: 435,778 sharesJun 13, 2025: 399,756 sharesJun 30, 2025: 441,847 sharesJul 15, 2025: 455,372 sharesJul 31, 2025: 367,679 sharesAug 15, 2025: 397,107 sharesAug 29, 2025: 448,654 sharesSep 15, 2025: 527,277 sharesSep 30, 2025: 430,756 sharesOct 15, 2025: 427,367 sharesOct 31, 2025: 483,083 sharesNov 14, 2025: 380,296 sharesNov 28, 2025: 444,411 sharesDec 15, 2025: 458,360 sharesDec 31, 2025: 430,551 sharesJan 15, 2026: 403,251 sharesJan 30, 2026: 517,416 sharesFeb 13, 2026: 474,725 sharesFeb 27, 2026: 499,556 sharesMar 13, 2026: 535,114 sharesMar 31, 2026: 467,955 sharesApr 15, 2026: 470,414 sharesApr 30, 2026: 490,133 sharesMay 15, 2026: 498,298 sharesMay 29, 2026: 505,917 sharesJun 15, 2026: 598,001 sharesJun 30, 2026: 873,407 sharesJul 15, 2026: 866,024 sharesJul 31, 2026: 872,189 sharesAug 14, 2026: 942,835 sharesAug 31, 2026: 987,740 sharesSep 15, 2026: 1,013,148 sharesSep 30, 2026: 1,135,400 sharesOct 15, 2026: 1,137,223 sharesOct 30, 2026: 1,049,937 shares
Short interest in USLM by settlement date
Settlement dateShort interestChangeChange %Avg. daily volumeDays to cover
Oct 30, 20261.05M−87.3K−7.7%133.0K7.89
Oct 15, 20261.14M+1.82K+0.2%107.2K10.61
Sep 30, 20261.14M+122.3K+12.1%168.9K6.72
Sep 15, 20261.01M+25.4K+2.6%118.1K8.58
Aug 31, 2026987.7K+44.9K+4.8%152.3K6.49
Aug 14, 2026942.8K+70.6K+8.1%118.9K7.93
Jul 31, 2026872.2K+6.17K+0.7%184.5K4.73
Jul 15, 2026866.0K−7.38K−0.9%187.2K4.63
Jun 30, 2026873.4K+275.4K+46.1%395.5K2.21
Jun 15, 2026598.0K+92.1K+18.2%261.3K2.29
May 29, 2026505.9K+7.62K+1.5%137.8K3.67
May 15, 2026498.3K+8.16K+1.7%136.6K3.65
Apr 30, 2026490.1K+19.7K+4.2%145.0K3.38
Apr 15, 2026470.4K+2.46K+0.5%134.1K3.51
Mar 31, 2026468.0K−67.2K−12.6%186.0K2.52
Mar 13, 2026535.1K+35.6K+7.1%109.3K4.89
Feb 27, 2026499.6K+24.8K+5.2%60.8K8.22
Feb 13, 2026474.7K−42.7K−8.3%114.9K4.13
Jan 30, 2026517.4K+114.2K+28.3%84.6K6.11
Jan 15, 2026403.3K−27.3K−6.3%91.1K4.43
Dec 31, 2025430.6K−27.8K−6.1%78.9K5.46
Dec 15, 2025458.4K+13.9K+3.1%75.3K6.09
Nov 28, 2025444.4K+64.1K+16.9%59.3K7.49
Nov 14, 2025380.3K−102.8K−21.3%73.0K5.21
Oct 31, 2025483.1K+55.7K+13.0%80.6K5.99
Oct 15, 2025427.4K−3.39K−0.8%77.4K5.52
Sep 30, 2025430.8K−96.5K−18.3%113.4K3.80
Sep 15, 2025527.3K+78.6K+17.5%117.6K4.48
Aug 29, 2025448.7K+51.5K+13.0%119.7K3.75
Aug 15, 2025397.1K+29.4K+8.0%143.6K2.77
Jul 31, 2025367.7K−87.7K−19.3%122.6K3.00
Jul 15, 2025455.4K+13.5K+3.1%165.1K2.76
Jun 30, 2025441.8K+42.1K+10.5%246.2K1.79
Jun 13, 2025399.8K−36.0K−8.3%171.2K2.34
May 30, 2025435.8K−31.5K−6.8%107.7K4.05
May 15, 2025467.3K−67.6K−12.6%81.3K5.75
Apr 30, 2025534.9K+21.1K+4.1%82.8K6.46
Apr 15, 2025513.9K−29.8K−5.5%95.4K5.39
Mar 31, 2025543.6K+26.7K+5.2%93.8K5.80
Mar 14, 2025516.9K+27.0K+5.5%113.1K4.57
Feb 28, 2025489.8K−9.08K−1.8%102.6K4.77
Feb 14, 2025498.9K+139.2K+38.7%133.6K3.74
Jan 31, 2025359.7K+92.8K+34.8%150.3K2.39
Jan 15, 2025267.0K+55.2K+26.1%123.4K2.16
Dec 31, 2024211.8K+17.3K+8.9%104.4K2.03
Dec 13, 2024194.5K−14.3K−6.8%124.6K1.56
Nov 29, 2024208.8K+64.2K+44.4%122.4K1.71
Nov 15, 2024144.6K−6.26K−4.2%112.2K1.29
Oct 31, 2024150.9K−13.6K−8.3%59.4K2.54

Fails-to-deliver

Shares that weren't delivered by the settlement date, from the SEC, for the last 30 dates with fails. The price is the previous day's closing price published by the SEC.

Fails-to-deliver in USLM by settlement date
Settlement dateSharesPriceValue
Sep 25, 2026134$109.42$14.7K
Sep 22, 20264$114.55$458.2
Sep 21, 2026573$113.50$65.0K
Sep 15, 2026270$116.43$31.4K
Sep 14, 20261$117.82$117.82
Sep 11, 202656$115.89$6.49K
Sep 3, 2026246$115.47$28.4K
Aug 27, 20267$118.09$826.63
Aug 26, 20265$119.07$595.35
Aug 21, 202660,816$120.20$7.31M
Aug 20, 202648$119.44$5.73K
Aug 17, 20261,098$117.41$128.9K
Aug 12, 202674$120.48$8.92K
Jul 22, 2026263$107.07$28.2K
Jul 13, 2026331$101.08$33.5K
Jul 2, 20263,343$106.03$354.5K
Jul 1, 202691$104.67$9.52K
Jun 26, 20263,781$107.15$405.1K
Jun 24, 2026489$105.83$51.8K
Jun 23, 202673$111.12$8.11K
Jun 18, 202612$110.37$1.32K
Jun 15, 20267$108.39$758.73
Jun 10, 2026120$107.45$12.9K
May 19, 202630$104.32$3.13K
May 13, 2026408$109.45$44.7K
Apr 21, 2026140$137.49$19.2K
Apr 10, 20261$136.24$136.24
Mar 10, 2026136$118.97$16.2K
Mar 6, 2026124$121.45$15.1K
Feb 27, 2026803$113.97$91.5K

Daily short volume

Off-exchange short-sale volume, not short interest: shares sold short each day in trades reported to FINRA, for the last 30 trading days.

The short volume ratio isn't a sentiment gauge: market makers sell short to fill buy orders and to hedge, so short sales are usually about half of off-exchange volume.

Off-exchange short volume in USLM by trade date
Trade dateShort volumeShort exemptOff-exchange volumeShort volume ratio
Nov 12, 202616,661022,79673.1%
Nov 11, 202617,795027,67364.3%
Nov 10, 202645,143070,88663.7%
Nov 9, 202622,209034,67364.1%
Nov 6, 202620,956029,82370.3%
Nov 5, 202629,838044,60466.9%
Nov 4, 202665,2113,32488,63073.6%
Nov 3, 202629,816047,88962.3%
Nov 2, 202669,422418104,40166.5%
Oct 30, 202620,670033,31862.0%
Oct 29, 202634,009040,77483.4%
Oct 28, 202640,531054,72874.1%
Oct 27, 202642,665050,60084.3%
Oct 26, 202622,338035,05663.7%
Oct 23, 202643,520053,93380.7%
Oct 22, 202636,330054,37466.8%
Oct 21, 202631,3577,59258,96453.2%
Oct 20, 202635,06590757,38861.1%
Oct 19, 202620,7761528,94071.8%
Oct 16, 20269,948023,77941.8%
Oct 15, 202617,837034,66751.5%
Oct 14, 202628,876038,52575.0%
Oct 13, 202633,247042,92277.5%
Oct 12, 202612,268020,18960.8%
Oct 9, 202622,822032,49370.2%
Oct 8, 202625,975033,07978.5%
Oct 7, 202610,797018,41658.6%
Oct 6, 202633,314048,87268.2%
Oct 5, 202616,375023,95368.4%
Oct 2, 202626,4868632,87280.6%

ATS (dark pool) volume

Weekly volume on alternative trading systems (ATS) and other off-exchange (OTC) venues, from FINRA, for the last 12 weeks. ATS share is ATS volume ÷ (ATS + OTC volume), not a share of all trading.

Weekly ATS and OTC volume in USLM
Week ofTierATS sharesATS tradesOther OTC sharesOther OTC tradesATS share
Oct 5, 2026T2106,5557,68477,9202,35857.8%
Sep 28, 2026T2163,0379,03278,4022,16867.5%
Sep 21, 2026T2213,5829,655114,6782,17165.1%
Sep 14, 2026T2232,01111,903245,5052,82148.6%
Sep 7, 2026T289,7428,98841,1731,75968.5%
Aug 31, 2026T2154,6389,60173,4382,41067.8%
Aug 24, 2026T2215,66010,59984,0382,33872.0%
Aug 17, 2026T2292,30012,30789,5192,19076.6%
Aug 10, 2026T2149,21110,48056,6572,18372.5%
Aug 3, 2026T2211,70814,44474,9432,68473.9%
Jul 27, 2026T2360,03216,484187,1652,24865.8%
Jul 20, 2026T2134,60810,53393,1071,84959.1%