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Celcuity Inc.

CELC
Exchange
Nasdaq
Industry
Services-Medical Laboratories
SEC CIK
0001603454

No open-market purchases or sales by Celcuity Inc. insiders were filed in the last 90 days; 275 institutions reported holding it in 13F filings for Q2 2026, worth $5.95B 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
10.3M
Shares, settlement Oct 30, 2026
Change
+50.9K
+0.5% vs. Oct 15, 2026
Days to cover
5.85
Short interest ÷ average daily volume
Average daily volume
1.76M
Shares, as reported by FINRA
Short interest by settlement date
Oct 31, 2024: 3,488,483 sharesNov 15, 2024: 3,091,176 sharesNov 29, 2024: 2,870,290 sharesDec 13, 2024: 2,814,410 sharesDec 31, 2024: 2,764,023 sharesJan 15, 2025: 3,128,118 sharesJan 31, 2025: 3,326,862 sharesFeb 14, 2025: 3,196,639 sharesFeb 28, 2025: 2,963,081 sharesMar 14, 2025: 3,250,391 sharesMar 31, 2025: 3,104,996 sharesApr 15, 2025: 2,003,289 sharesApr 30, 2025: 2,120,436 sharesMay 15, 2025: 2,416,077 sharesMay 30, 2025: 2,479,960 sharesJun 13, 2025: 2,444,767 sharesJun 30, 2025: 2,413,909 sharesJul 15, 2025: 2,386,654 sharesJul 31, 2025: 3,088,150 sharesAug 15, 2025: 4,714,098 sharesAug 29, 2025: 5,620,386 sharesSep 15, 2025: 5,867,404 sharesSep 30, 2025: 4,866,981 sharesOct 15, 2025: 6,091,043 sharesOct 31, 2025: 5,916,563 sharesNov 14, 2025: 6,709,486 sharesNov 28, 2025: 7,395,745 sharesDec 15, 2025: 7,321,648 sharesDec 31, 2025: 8,853,129 sharesJan 15, 2026: 9,133,962 sharesJan 30, 2026: 9,835,539 sharesFeb 13, 2026: 9,719,315 sharesFeb 27, 2026: 9,108,952 sharesMar 13, 2026: 9,128,797 sharesMar 31, 2026: 8,799,830 sharesApr 15, 2026: 8,802,926 sharesApr 30, 2026: 8,926,585 sharesMay 15, 2026: 9,558,186 sharesMay 29, 2026: 9,601,855 sharesJun 15, 2026: 10,666,555 sharesJun 30, 2026: 10,969,220 sharesJul 15, 2026: 11,152,374 sharesJul 31, 2026: 10,263,089 sharesAug 14, 2026: 10,535,416 sharesAug 31, 2026: 10,688,163 sharesSep 15, 2026: 11,360,367 sharesSep 30, 2026: 10,979,648 sharesOct 15, 2026: 10,252,223 sharesOct 30, 2026: 10,303,095 shares
Short interest in CELC by settlement date
Settlement dateShort interestChangeChange %Avg. daily volumeDays to cover
Oct 30, 202610.3M+50.9K+0.5%1.76M5.85
Oct 15, 202610.3M−727.4K−6.6%1.78M5.76
Sep 30, 202611.0M−380.7K−3.4%995.7K11.03
Sep 15, 202611.4M+672.2K+6.3%910.3K12.48
Aug 31, 202610.7M+152.7K+1.5%680.0K15.72
Aug 14, 202610.5M+272.3K+2.7%796.6K13.23
Jul 31, 202610.3M−889.3K−8.0%1.52M6.75
Jul 15, 202611.2M+183.2K+1.7%1.97M5.67
Jun 30, 202611.0M+302.7K+2.8%1.28M8.56
Jun 15, 202610.7M+1.06M+11.1%2.45M4.35
May 29, 20269.60M+43.7K+0.5%795.1K12.08
May 15, 20269.56M+631.6K+7.1%1.60M5.97
Apr 30, 20268.93M+123.7K+1.4%799.1K11.17
Apr 15, 20268.80M+3.10K0.0%688.3K12.79
Mar 31, 20268.80M−329.0K−3.6%796.0K11.06
Mar 13, 20269.13M+19.8K+0.2%702.9K12.99
Feb 27, 20269.11M−610.4K−6.3%494.5K18.42
Feb 13, 20269.72M−116.2K−1.2%737.5K13.18
Jan 30, 20269.84M+701.6K+7.7%873.6K11.26
Jan 15, 20269.13M+280.8K+3.2%648.2K14.09
Dec 31, 20258.85M+1.53M+20.9%840.1K10.54
Dec 15, 20257.32M−74.1K−1.0%888.8K8.24
Nov 28, 20257.40M+686.3K+10.2%986.6K7.50
Nov 14, 20256.71M+792.9K+13.4%806.6K8.32
Oct 31, 20255.92M−174.5K−2.9%1.75M3.39
Oct 15, 20256.09M+1.22M+25.2%1.19M5.11
Sep 30, 20254.87M−1.00M−17.1%826.5K5.89
Sep 15, 20255.87M+247.0K+4.4%836.2K7.02
Aug 29, 20255.62M+906.3K+19.2%976.7K5.75
Aug 15, 20254.71M+1.63M+52.7%1.20M3.92
Jul 31, 20253.09M+701.5K+29.4%3.67M1.00
Jul 15, 20252.39M−27.3K−1.1%206.2K11.57
Jun 30, 20252.41M−30.9K−1.3%219.2K11.01
Jun 13, 20252.44M−35.2K−1.4%157.1K15.57
May 30, 20252.48M+63.9K+2.6%113.0K21.95
May 15, 20252.42M+295.6K+13.9%194.9K12.40
Apr 30, 20252.12M+117.1K+5.9%191.2K11.09
Apr 15, 20252.00M−1.10M−35.5%491.1K4.08
Mar 31, 20253.10M−145.4K−4.5%227.7K13.64
Mar 14, 20253.25M+287.3K+9.7%322.9K10.07
Feb 28, 20252.96M−233.6K−7.3%259.0K11.44
Feb 14, 20253.20M−130.2K−3.9%170.3K18.77
Jan 31, 20253.33M+198.7K+6.4%173.4K19.19
Jan 15, 20253.13M+364.1K+13.2%355.7K8.79
Dec 31, 20242.76M−50.4K−1.8%393.6K7.02
Dec 13, 20242.81M−55.9K−2.0%177.7K15.83
Nov 29, 20242.87M−220.9K−7.2%258.3K11.11
Nov 15, 20243.09M−397.3K−11.4%350.5K8.82
Oct 31, 20243.49M−40.6K−1.2%141.0K24.74

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 CELC by settlement date
Settlement dateSharesPriceValue
Oct 5, 202615,904$72.10$1.15M
Oct 1, 202663$79.52$5.01K
Sep 30, 202643$77.38$3.33K
Sep 23, 2026786$84.10$66.1K
Sep 21, 2026335$80.61$27.0K
Sep 18, 20261,220$84.91$103.6K
Sep 16, 20267,975$82.70$659.5K
Sep 10, 202631,638$90.08$2.85M
Sep 8, 202631,865$95.70$3.05M
Sep 4, 2026780$96.43$75.2K
Sep 3, 2026816$96.20$78.5K
Sep 2, 20264,031$91.98$370.8K
Aug 25, 20264,328$90.79$392.9K
Aug 19, 2026280$93.24$26.1K
Aug 11, 20266,045$90.79$548.8K
Aug 4, 2026363$87.72$31.8K
Jul 30, 202648,400$83.26$4.03M
Jul 28, 202672,692$82.27$5.98M
Jul 22, 2026713$91.69$65.4K
Jul 21, 20261$87.99$87.99
Jul 16, 202632,189$91.51$2.95M
Jul 15, 202614,867$111.05$1.65M
Jul 10, 20267,484$113.51$849.5K
Jul 9, 2026200$108.90$21.8K
Jul 8, 2026200$115.72$23.1K
Jul 6, 20267,907$107.95$853.6K
Jul 2, 20268,261$104.49$863.2K
Jul 1, 20265,765$104.62$603.1K
Jun 30, 202622,193$102.52$2.28M
Jun 29, 202614,803$99.95$1.48M

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 CELC by trade date
Trade dateShort volumeShort exemptOff-exchange volumeShort volume ratio
Nov 11, 2026263,2300355,25574.1%
Nov 10, 2026279,98315,313407,78568.7%
Nov 9, 2026253,2230399,81263.3%
Nov 6, 2026274,6280531,16151.7%
Nov 5, 2026218,974122459,51847.7%
Nov 4, 2026242,7462,819554,63143.8%
Nov 3, 2026161,499211267,51860.4%
Nov 2, 2026227,74680299,44576.1%
Oct 30, 2026271,9280325,48083.5%
Oct 29, 2026224,8620311,15072.3%
Oct 28, 2026217,8090342,58263.6%
Oct 27, 2026187,7880290,01264.8%
Oct 26, 2026896,278301,046,13685.7%
Oct 23, 2026382,2920546,12970.0%
Oct 22, 2026453,332148651,41469.6%
Oct 21, 2026420,4570596,07370.5%
Oct 20, 2026256,0650519,31149.3%
Oct 19, 2026284,2534,067551,22551.6%
Oct 16, 2026543,94215,3601,400,00638.9%
Oct 15, 2026335,8934925,42136.3%
Oct 14, 2026354,4051,564967,48136.6%
Oct 13, 2026164,066100378,01543.4%
Oct 12, 2026203,7011,365467,54443.6%
Oct 9, 2026309,992200526,51558.9%
Oct 8, 2026256,5555859,66329.8%
Oct 7, 2026290,6100964,21730.1%
Oct 6, 2026299,9310640,10746.9%
Oct 5, 2026117,1284616,34219.0%
Oct 2, 2026214,95624,100709,23830.3%
Oct 1, 2026171,2569365,86746.8%

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 CELC
Week ofTierATS sharesATS tradesOther OTC sharesOther OTC tradesATS share
Oct 5, 2026T22,816,30642,2522,817,48311,36750.0%
Sep 28, 2026T22,353,26540,8521,343,56810,14863.7%
Sep 21, 2026T21,178,41329,132941,5648,78455.6%
Sep 14, 2026T21,160,88129,6091,362,8715,30346.0%
Sep 7, 2026T21,242,97132,072384,0454,70076.4%
Aug 31, 2026T21,235,83130,709715,8386,29863.3%
Aug 24, 2026T2876,70329,753576,2265,68560.3%
Aug 17, 2026T21,042,11534,518790,5426,46756.9%
Aug 10, 2026T21,542,06737,220611,4087,07971.6%
Aug 3, 2026T2978,14627,832563,6788,23963.4%
Jul 27, 2026T22,198,68640,3951,534,7527,30458.9%
Jul 20, 2026T21,912,72936,6011,994,3407,34749.0%