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Minerals Technologies Inc

MTX
Exchange
NYSE
Industry
Industrial Inorganic Chemicals
SEC CIK
0000891014

No open-market purchases or sales by Minerals Technologies Inc insiders were filed in the last 90 days; 294 institutions reported holding it in 13F filings for Q2 2026, worth $2.34B 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
630.5K
Shares, settlement Oct 30, 2026
Change
−140.5K
−18.2% vs. Oct 15, 2026
Days to cover
2.80
Short interest ÷ average daily volume
Average daily volume
225.4K
Shares, as reported by FINRA
Short interest by settlement date
Oct 31, 2024: 358,587 sharesNov 15, 2024: 428,235 sharesNov 29, 2024: 438,834 sharesDec 13, 2024: 419,303 sharesDec 31, 2024: 428,504 sharesJan 15, 2025: 393,040 sharesJan 31, 2025: 287,257 sharesFeb 14, 2025: 284,280 sharesFeb 28, 2025: 344,462 sharesMar 14, 2025: 420,407 sharesMar 31, 2025: 496,708 sharesApr 15, 2025: 504,791 sharesApr 30, 2025: 402,176 sharesMay 15, 2025: 478,480 sharesMay 30, 2025: 559,170 sharesJun 13, 2025: 669,256 sharesJun 30, 2025: 705,957 sharesJul 15, 2025: 695,135 sharesJul 31, 2025: 600,892 sharesAug 15, 2025: 535,214 sharesAug 29, 2025: 495,479 sharesSep 15, 2025: 596,858 sharesSep 30, 2025: 440,623 sharesOct 15, 2025: 446,106 sharesOct 31, 2025: 539,593 sharesNov 14, 2025: 527,375 sharesNov 28, 2025: 406,724 sharesDec 15, 2025: 369,684 sharesDec 31, 2025: 300,441 sharesJan 15, 2026: 367,932 sharesJan 30, 2026: 335,681 sharesFeb 13, 2026: 433,293 sharesFeb 27, 2026: 428,974 sharesMar 13, 2026: 497,773 sharesMar 31, 2026: 494,233 sharesApr 15, 2026: 491,755 sharesApr 30, 2026: 590,538 sharesMay 15, 2026: 431,594 sharesMay 29, 2026: 416,656 sharesJun 15, 2026: 456,027 sharesJun 30, 2026: 725,414 sharesJul 15, 2026: 759,244 sharesJul 31, 2026: 782,992 sharesAug 14, 2026: 941,313 sharesAug 31, 2026: 804,359 sharesSep 15, 2026: 899,926 sharesSep 30, 2026: 846,070 sharesOct 15, 2026: 771,054 sharesOct 30, 2026: 630,538 shares
Short interest in MTX by settlement date
Settlement dateShort interestChangeChange %Avg. daily volumeDays to cover
Oct 30, 2026630.5K−140.5K−18.2%225.4K2.80
Oct 15, 2026771.1K−75.0K−8.9%183.2K4.21
Sep 30, 2026846.1K−53.9K−6.0%185.6K4.56
Sep 15, 2026899.9K+95.6K+11.9%188.2K4.78
Aug 31, 2026804.4K−137.0K−14.6%159.0K5.06
Aug 14, 2026941.3K+158.3K+20.2%230.5K4.08
Jul 31, 2026783.0K+23.7K+3.1%271.4K2.88
Jul 15, 2026759.2K+33.8K+4.7%212.0K3.58
Jun 30, 2026725.4K+269.4K+59.1%411.4K1.76
Jun 15, 2026456.0K+39.4K+9.5%148.2K3.08
May 29, 2026416.7K−14.9K−3.5%165.3K2.52
May 15, 2026431.6K−158.9K−26.9%318.2K1.36
Apr 30, 2026590.5K+98.8K+20.1%153.9K3.84
Apr 15, 2026491.8K−2.48K−0.5%164.2K2.99
Mar 31, 2026494.2K−3.54K−0.7%270.9K1.82
Mar 13, 2026497.8K+68.8K+16.0%200.5K2.48
Feb 27, 2026429.0K−4.32K−1.0%170.8K2.51
Feb 13, 2026433.3K+97.6K+29.1%169.3K2.56
Jan 30, 2026335.7K−32.3K−8.8%259.5K1.29
Jan 15, 2026367.9K+67.5K+22.5%126.6K2.91
Dec 31, 2025300.4K−69.2K−18.7%223.1K1.35
Dec 15, 2025369.7K−37.0K−9.1%155.9K2.37
Nov 28, 2025406.7K−120.7K−22.9%200.7K2.03
Nov 14, 2025527.4K−12.2K−2.3%158.6K3.32
Oct 31, 2025539.6K+93.5K+21.0%196.0K2.75
Oct 15, 2025446.1K+5.48K+1.2%182.0K2.45
Sep 30, 2025440.6K−156.2K−26.2%232.7K1.89
Sep 15, 2025596.9K+101.4K+20.5%243.8K2.45
Aug 29, 2025495.5K−39.7K−7.4%185.1K2.68
Aug 15, 2025535.2K−65.7K−10.9%227.5K2.35
Jul 31, 2025600.9K−94.2K−13.6%353.8K1.70
Jul 15, 2025695.1K−10.8K−1.5%233.3K2.98
Jun 30, 2025706.0K+36.7K+5.5%298.1K2.37
Jun 13, 2025669.3K+110.1K+19.7%205.9K3.25
May 30, 2025559.2K+80.7K+16.9%293.7K1.90
May 15, 2025478.5K+76.3K+19.0%328.4K1.46
Apr 30, 2025402.2K−102.6K−20.3%298.7K1.35
Apr 15, 2025504.8K+8.08K+1.6%211.8K2.38
Mar 31, 2025496.7K+76.3K+18.2%260.0K1.91
Mar 14, 2025420.4K+75.9K+22.1%178.8K2.35
Feb 28, 2025344.5K+60.2K+21.2%225.3K1.53
Feb 14, 2025284.3K−2.98K−1.0%193.5K1.47
Jan 31, 2025287.3K−105.8K−26.9%138.4K2.08
Jan 15, 2025393.0K−35.5K−8.3%154.1K2.55
Dec 31, 2024428.5K+9.20K+2.2%179.6K2.39
Dec 13, 2024419.3K−19.5K−4.5%131.3K3.19
Nov 29, 2024438.8K+10.6K+2.5%133.5K3.29
Nov 15, 2024428.2K+69.6K+19.4%156.2K2.74
Oct 31, 2024358.6K−13.5K−3.6%176.6K2.03

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 MTX by settlement date
Settlement dateSharesPriceValue
Sep 21, 20266,705$66.93$448.8K
Sep 8, 20264$71.76$287.04
Sep 2, 2026287$70.76$20.3K
Sep 1, 202688$70.92$6.24K
Aug 25, 202648$71.93$3.45K
Aug 11, 202642$74.42$3.13K
Aug 7, 2026172$75.32$13.0K
Aug 6, 20266$77.09$462.54
Aug 5, 20261,216$75.21$91.5K
Aug 4, 20263$75.21$225.63
Aug 3, 202628,570$76.24$2.18M
Jul 31, 2026755$72.51$54.7K
Jul 30, 20261,466$73.74$108.1K
Jul 29, 2026601$75.28$45.2K
Jul 28, 2026250$74.00$18.5K
Jul 27, 20268$74.60$596.8
Jul 23, 202629$74.56$2.16K
Jul 21, 202628$72.98$2.04K
Jul 16, 202623$73.85$1.70K
Jul 1, 202633$73.97$2.44K
Jun 30, 2026214$77.43$16.6K
Jun 29, 2026115$79.80$9.18K
Jun 26, 20263,396$78.82$267.7K
Jun 25, 20265$78.67$393.35
Jun 24, 2026146$76.48$11.2K
Jun 2, 2026567$76.39$43.3K
May 7, 202633$79.29$2.62K
Apr 29, 202636$72.79$2.62K
Apr 28, 202642$72.26$3.03K
Apr 13, 202671$73.02$5.18K

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 MTX by trade date
Trade dateShort volumeShort exemptOff-exchange volumeShort volume ratio
Nov 13, 202612,844026,41548.6%
Nov 12, 202634,243078,12543.8%
Nov 11, 202620,494038,41753.3%
Nov 10, 202619,405038,14050.9%
Nov 9, 202626,3050107,12724.6%
Nov 6, 202633,80499247,49313.7%
Nov 5, 202643,762077,05156.8%
Nov 4, 202641,216077,89152.9%
Nov 3, 202636,56341379,95545.7%
Nov 2, 202641,6131108,64038.3%
Oct 30, 202655,0070196,34328.0%
Oct 29, 202624,188096,70025.0%
Oct 28, 202626,7270110,36224.2%
Oct 27, 202644,33254181,57624.4%
Oct 26, 202621,783072,98729.8%
Oct 23, 202638,515074,37151.8%
Oct 22, 202635,210659,34259.3%
Oct 21, 202636,739057,94463.4%
Oct 20, 202622,680043,48552.2%
Oct 19, 202618,126040,19845.1%
Oct 16, 202617,208035,92647.9%
Oct 15, 202625,453045,17556.3%
Oct 14, 202625,104053,91446.6%
Oct 13, 202623,816051,95045.8%
Oct 12, 202622,373051,01443.9%
Oct 9, 202626,44049744,07760.0%
Oct 8, 202620,274041,41249.0%
Oct 7, 202629,494047,50162.1%
Oct 6, 202629,567050,91458.1%
Oct 5, 202640,013089,37244.8%

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 MTX
Week ofTierATS sharesATS tradesOther OTC sharesOther OTC tradesATS share
Oct 5, 2026T2210,10812,852141,8342,88959.7%
Sep 28, 2026T2159,00213,493117,7243,09657.5%
Sep 21, 2026T2203,01315,938112,9773,59464.2%
Sep 14, 2026T2221,04713,886167,3573,50456.9%
Sep 7, 2026T2200,18112,30198,1012,72767.1%
Aug 31, 2026T2217,21513,127218,9983,68049.8%
Aug 24, 2026T2276,23310,96773,2313,13379.0%
Aug 17, 2026T2184,42811,633113,4763,13761.9%
Aug 10, 2026T2171,06310,45893,2522,38864.7%
Aug 3, 2026T2373,16019,715148,6172,68571.5%
Jul 27, 2026T2542,39417,391357,2952,96660.3%
Jul 20, 2026T2207,57310,40478,1702,51272.6%