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GCM Grosvenor Inc.

GCMG
Exchange
Nasdaq
Industry
Investment Advice
SEC CIK
0001819796

In the last 90 days, GCM Grosvenor Inc. insiders filed 0 open-market purchases and 2 sales; 148 institutions reported holding it in 13F filings for Q2 2026, worth $679.3M 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
1.31M
Shares, settlement Oct 30, 2026
Change
+54.0K
+4.3% vs. Oct 15, 2026
Days to cover
3.19
Short interest ÷ average daily volume
Average daily volume
409.7K
Shares, as reported by FINRA
Short interest by settlement date
Oct 31, 2024: 3,606,074 sharesNov 15, 2024: 3,739,078 sharesNov 29, 2024: 3,858,936 sharesDec 13, 2024: 5,529,898 sharesDec 31, 2024: 5,900,610 sharesJan 15, 2025: 6,287,489 sharesJan 31, 2025: 7,451,655 sharesFeb 14, 2025: 8,022,585 sharesFeb 28, 2025: 8,540,239 sharesMar 14, 2025: 8,045,110 sharesMar 31, 2025: 8,520,945 sharesApr 15, 2025: 8,042,953 sharesApr 30, 2025: 7,546,538 sharesMay 15, 2025: 7,975,806 sharesMay 30, 2025: 8,158,589 sharesJun 13, 2025: 8,193,430 sharesJun 30, 2025: 7,188,082 sharesJul 15, 2025: 7,535,984 sharesJul 31, 2025: 7,607,808 sharesAug 15, 2025: 8,351,655 sharesAug 29, 2025: 8,577,458 sharesSep 15, 2025: 8,734,686 sharesSep 30, 2025: 8,783,927 sharesOct 15, 2025: 7,490,567 sharesOct 31, 2025: 7,603,482 sharesNov 14, 2025: 6,535,155 sharesNov 28, 2025: 2,544,788 sharesDec 15, 2025: 1,741,694 sharesDec 31, 2025: 1,311,194 sharesJan 15, 2026: 1,278,824 sharesJan 30, 2026: 1,161,657 sharesFeb 13, 2026: 1,127,031 sharesFeb 27, 2026: 1,726,778 sharesMar 13, 2026: 1,477,068 sharesMar 31, 2026: 1,892,230 sharesApr 15, 2026: 1,531,289 sharesApr 30, 2026: 1,658,987 sharesMay 15, 2026: 1,565,081 sharesMay 29, 2026: 1,528,211 sharesJun 15, 2026: 1,559,642 sharesJun 30, 2026: 1,785,989 sharesJul 15, 2026: 1,738,382 sharesJul 31, 2026: 1,420,281 sharesAug 14, 2026: 1,068,753 sharesAug 31, 2026: 1,611,973 sharesSep 15, 2026: 1,196,156 sharesSep 30, 2026: 1,176,112 sharesOct 15, 2026: 1,254,124 sharesOct 30, 2026: 1,308,092 shares
Short interest in GCMG by settlement date
Settlement dateShort interestChangeChange %Avg. daily volumeDays to cover
Oct 30, 20261.31M+54.0K+4.3%409.7K3.19
Oct 15, 20261.25M+78.0K+6.6%351.3K3.57
Sep 30, 20261.18M−20.0K−1.7%583.1K2.02
Sep 15, 20261.20M−415.8K−25.8%363.2K3.29
Aug 31, 20261.61M+543.2K+50.8%423.2K3.81
Aug 14, 20261.07M−351.5K−24.8%504.6K2.12
Jul 31, 20261.42M−318.1K−18.3%598.7K2.37
Jul 15, 20261.74M−47.6K−2.7%414.1K4.20
Jun 30, 20261.79M+226.3K+14.5%658.2K2.71
Jun 15, 20261.56M+31.4K+2.1%495.0K3.15
May 29, 20261.53M−36.9K−2.4%284.0K5.38
May 15, 20261.57M−93.9K−5.7%435.9K3.59
Apr 30, 20261.66M+127.7K+8.3%313.2K5.30
Apr 15, 20261.53M−360.9K−19.1%479.3K3.19
Mar 31, 20261.89M+415.2K+28.1%837.2K2.26
Mar 13, 20261.48M−249.7K−14.5%788.4K1.87
Feb 27, 20261.73M+599.7K+53.2%530.7K3.25
Feb 13, 20261.13M−34.6K−3.0%871.9K1.29
Jan 30, 20261.16M−117.2K−9.2%483.4K2.40
Jan 15, 20261.28M−32.4K−2.5%502.4K2.55
Dec 31, 20251.31M−430.5K−24.7%539.0K2.43
Dec 15, 20251.74M−803.1K−31.6%839.4K2.07
Nov 28, 20252.54M−3.99M−61.1%1.10M2.31
Nov 14, 20256.54M−1.07M−14.1%936.7K6.98
Oct 31, 20257.60M+112.9K+1.5%775.2K9.81
Oct 15, 20257.49M−1.29M−14.7%730.6K10.25
Sep 30, 20258.78M+49.2K+0.6%777.6K11.30
Sep 15, 20258.73M+157.2K+1.8%489.9K17.83
Aug 29, 20258.58M+225.8K+2.7%422.1K20.32
Aug 15, 20258.35M+743.8K+9.8%712.3K11.73
Jul 31, 20257.61M+71.8K+1.0%415.4K18.31
Jul 15, 20257.54M+347.9K+4.8%428.2K17.60
Jun 30, 20257.19M−1.01M−12.3%754.1K9.53
Jun 13, 20258.19M+34.8K+0.4%399.3K20.52
May 30, 20258.16M+182.8K+2.3%423.4K19.27
May 15, 20257.98M+429.3K+5.7%455.5K17.51
Apr 30, 20257.55M−496.4K−6.2%396.0K19.05
Apr 15, 20258.04M−478.0K−5.6%506.3K15.89
Mar 31, 20258.52M+475.8K+5.9%367.2K23.21
Mar 14, 20258.05M−495.1K−5.8%466.6K17.24
Feb 28, 20258.54M+517.7K+6.5%465.8K18.34
Feb 14, 20258.02M+570.9K+7.7%387.9K20.68
Jan 31, 20257.45M+1.16M+18.5%431.9K17.25
Jan 15, 20256.29M+386.9K+6.6%309.0K20.35
Dec 31, 20245.90M+370.7K+6.7%305.8K19.30
Dec 13, 20245.53M+1.67M+43.3%238.8K23.15
Nov 29, 20243.86M+119.9K+3.2%391.5K9.86
Nov 15, 20243.74M+133.0K+3.7%295.6K12.65
Oct 31, 20243.61M+66.9K+1.9%198.7K18.15

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 GCMG by settlement date
Settlement dateSharesPriceValue
Sep 29, 2026345$12.92$4.46K
Sep 18, 2026175$12.93$2.26K
Sep 15, 2026106$12.64$1.34K
Sep 14, 2026159$12.84$2.04K
Sep 11, 2026172$12.78$2.20K
Sep 2, 202657$13.30$758.1
Aug 31, 2026346$13.72$4.75K
Aug 5, 202637$13.52$500.24
Jul 20, 202676$12.90$980.4
Jun 10, 20263,370$11.32$38.1K
Jun 5, 2026558$10.66$5.95K
Jun 4, 202678$9.98$778.44
Jun 2, 20263,114$10.75$33.5K
May 22, 2026202$10.65$2.15K
May 7, 202624,999$11.28$282.0K
Apr 14, 202654$10.04$542.16
Apr 13, 20261,677$9.72$16.3K
Apr 9, 2026392$9.97$3.91K
Mar 24, 2026552$9.96$5.50K
Mar 9, 20261$11.27$11.27
Feb 24, 2026196$11.47$2.25K
Feb 5, 2026256$10.51$2.69K
Jan 30, 2026355$11.31$4.02K
Jan 29, 202614$11.22$157.08
Jan 21, 20264$11.63$46.52
Jan 20, 2026336$11.73$3.94K
Jan 15, 2026338$11.61$3.92K
Jan 2, 2026167$11.32$1.89K
Dec 31, 2025937$11.41$10.7K
Dec 26, 20252$11.53$23.06

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 GCMG by trade date
Trade dateShort volumeShort exemptOff-exchange volumeShort volume ratio
Nov 12, 202646,3230123,55037.5%
Nov 11, 202663,0370256,21824.6%
Nov 10, 202642,150489197,87521.3%
Nov 9, 202632,6880119,64027.3%
Nov 6, 202647,902080,63959.4%
Nov 5, 202630,519078,26339.0%
Nov 4, 202638,401097,16239.5%
Nov 3, 202650,534077,22765.4%
Nov 2, 202629,078074,78638.9%
Oct 30, 202637,5150110,26734.0%
Oct 29, 202656,7940441,14212.9%
Oct 28, 202623,156060,72638.1%
Oct 27, 202619,619075,86325.9%
Oct 26, 202618,693099,95318.7%
Oct 23, 202632,90056120,00327.4%
Oct 22, 202629,3002109,27426.8%
Oct 21, 202634,286078,71243.6%
Oct 20, 202628,065081,18134.6%
Oct 19, 202636,6150214,88417.0%
Oct 16, 202637,256086,07443.3%
Oct 15, 202640,768069,92858.3%
Oct 14, 202640,7612,05071,17357.3%
Oct 13, 202621,472048,44844.3%
Oct 12, 202630,325065,80446.1%
Oct 9, 202679,8980120,46366.3%
Oct 8, 202624,982049,71450.3%
Oct 7, 202646,662087,16853.5%
Oct 6, 202666,8160110,98960.2%
Oct 5, 202636,162074,53548.5%
Oct 2, 202673,2260122,95559.6%

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 GCMG
Week ofTierATS sharesATS tradesOther OTC sharesOther OTC tradesATS share
Oct 5, 2026T2331,91011,818320,9851,63950.8%
Sep 28, 2026T2450,84613,145148,3771,31175.2%
Sep 21, 2026T2580,24315,590551,4742,04051.3%
Sep 14, 2026T2548,04615,373669,5011,79645.0%
Sep 7, 2026T2322,57610,36693,8261,06577.5%
Aug 31, 2026T2523,18512,269383,6141,72157.7%
Aug 24, 2026T2422,07413,514523,9311,33944.6%
Aug 17, 2026T2362,81715,535149,0071,18670.9%
Aug 10, 2026T2671,89218,056176,5291,58479.2%
Aug 3, 2026T2371,34611,475180,4031,64267.3%
Jul 27, 2026T2346,05311,475176,2632,33866.3%
Jul 20, 2026T2695,55719,238401,8402,36763.4%