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MSC Income Fund, Inc.

MSIF
Exchange
NYSE
SEC CIK
0001535778

In the last 90 days, MSC Income Fund, Inc. insiders filed 1 open-market purchase and 0 sales; 169 institutions reported holding it in 13F filings for Q2 2026, worth $172.2M 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
433.8K
Shares, settlement Oct 30, 2026
Change
−9.40K
−2.1% vs. Oct 15, 2026
Days to cover
2.99
Short interest ÷ average daily volume
Average daily volume
144.9K
Shares, as reported by FINRA
Short interest by settlement date
Jan 31, 2025: 2,570 sharesFeb 14, 2025: 24,421 sharesFeb 28, 2025: 7,384 sharesMar 14, 2025: 16,698 sharesMar 31, 2025: 80,862 sharesApr 15, 2025: 3,496 sharesApr 30, 2025: 55,420 sharesMay 15, 2025: 36,957 sharesMay 30, 2025: 34,787 sharesJun 13, 2025: 94,780 sharesJun 30, 2025: 181,442 sharesJul 15, 2025: 105,607 sharesJul 31, 2025: 85,495 sharesAug 15, 2025: 49,274 sharesAug 29, 2025: 54,117 sharesSep 15, 2025: 55,722 sharesSep 30, 2025: 163,293 sharesOct 15, 2025: 137,268 sharesOct 31, 2025: 68,848 sharesNov 14, 2025: 48,408 sharesNov 28, 2025: 67,488 sharesDec 15, 2025: 59,304 sharesDec 31, 2025: 69,188 sharesJan 15, 2026: 35,762 sharesJan 30, 2026: 86,934 sharesFeb 13, 2026: 94,611 sharesFeb 27, 2026: 74,715 sharesMar 13, 2026: 145,183 sharesMar 31, 2026: 351,269 sharesApr 15, 2026: 232,160 sharesApr 30, 2026: 235,375 sharesMay 15, 2026: 201,982 sharesMay 29, 2026: 306,530 sharesJun 15, 2026: 301,940 sharesJun 30, 2026: 350,813 sharesJul 15, 2026: 373,246 sharesJul 31, 2026: 620,300 sharesAug 14, 2026: 450,313 sharesAug 31, 2026: 495,650 sharesSep 15, 2026: 465,992 sharesSep 30, 2026: 307,950 sharesOct 15, 2026: 443,202 sharesOct 30, 2026: 433,801 shares
Short interest in MSIF by settlement date
Settlement dateShort interestChangeChange %Avg. daily volumeDays to cover
Oct 30, 2026433.8K−9.40K−2.1%144.9K2.99
Oct 15, 2026443.2K+135.3K+43.9%186.0K2.38
Sep 30, 2026307.9K−158.0K−33.9%177.3K1.74
Sep 15, 2026466.0K−29.7K−6.0%204.5K2.28
Aug 31, 2026495.6K+45.3K+10.1%219.4K2.26
Aug 14, 2026450.3K−170.0K−27.4%337.5K1.33
Jul 31, 2026620.3K+247.1K+66.2%301.8K2.06
Jul 15, 2026373.2K+22.4K+6.4%276.8K1.35
Jun 30, 2026350.8K+48.9K+16.2%315.8K1.11
Jun 15, 2026301.9K−4.59K−1.5%261.2K1.16
May 29, 2026306.5K+104.5K+51.8%311.0K1.00
May 15, 2026202.0K−33.4K−14.2%301.0K1.00
Apr 30, 2026235.4K+3.21K+1.4%243.9K1.00
Apr 15, 2026232.2K−119.1K−33.9%249.8K1.00
Mar 31, 2026351.3K+206.1K+142.0%523.0K1.00
Mar 13, 2026145.2K+70.5K+94.3%351.9K1.00
Feb 27, 202674.7K−19.9K−21.0%387.6K1.00
Feb 13, 202694.6K+7.68K+8.8%563.0K1.00
Jan 30, 202686.9K+51.2K+143.1%246.9K1.00
Jan 15, 202635.8K−33.4K−48.3%195.2K1.00
Dec 31, 202569.2K+9.88K+16.7%223.7K1.00
Dec 15, 202559.3K−8.18K−12.1%195.8K1.00
Nov 28, 202567.5K+19.1K+39.4%289.2K1.00
Nov 14, 202548.4K−20.4K−29.7%341.5K1.00
Oct 31, 202568.8K−68.4K−49.8%302.9K1.00
Oct 15, 2025137.3K−26.0K−15.9%146.3K1.00
Sep 30, 2025163.3K+107.6K+193.1%162.5K1.00
Sep 15, 202555.7K+1.60K+3.0%160.5K1.00
Aug 29, 202554.1K+4.84K+9.8%168.4K1.00
Aug 15, 202549.3K−36.2K−42.4%235.3K1.00
Jul 31, 202585.5K−20.1K−19.0%71.6K1.19
Jul 15, 2025105.6K−75.8K−41.8%67.0K1.58
Jun 30, 2025181.4K+86.7K+91.4%100.9K1.80
Jun 13, 202594.8K+60.0K+172.5%118.4K1.00
May 30, 202534.8K−2.17K−5.9%28.1K1.24
May 15, 202537.0K−18.5K−33.3%38.2K1.00
Apr 30, 202555.4K+51.9K+1,485.2%42.2K1.31
Apr 15, 20253.50K−77.4K−95.7%68.6K1.00
Mar 31, 202580.9K+64.2K+384.3%82.4K1.00
Mar 14, 202516.7K+9.31K+126.1%86.3K1.00
Feb 28, 20257.38K−17.0K−69.8%88.0K1.00
Feb 14, 202524.4K+21.9K+850.2%97.7K1.00
Jan 31, 20252.57K+2.17K+542.5%132.1K1.00

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 MSIF by settlement date
Settlement dateSharesPriceValue
Sep 16, 2026821$12.31$10.1K
Aug 25, 202615,991$12.80$204.7K
Aug 6, 20262,249$11.47$25.8K
Aug 5, 20262,241$11.59$26.0K
Aug 4, 20262,241$11.48$25.7K
Jul 31, 20267,975$11.22$89.5K
Jul 1, 2026126$11.57$1.46K
Jun 30, 20263,929$11.73$46.1K
Jun 18, 20261,462$11.81$17.3K
May 18, 20266,046$12.06$72.9K
May 15, 20268,998$12.13$109.1K
May 8, 20263$13.04$39.12
May 7, 202611,814$13.00$153.6K
May 5, 20262,338$13.20$30.9K
Apr 27, 202626,190$12.35$323.4K
Apr 24, 20267,880$12.31$97.0K
Apr 15, 202644$12.66$557.04
Apr 13, 2026670$12.17$8.15K
Apr 10, 20262,221$12.31$27.3K
Mar 23, 20261$13.22$13.22
Mar 20, 20261$13.47$13.47
Mar 17, 2026224$12.74$2.85K
Mar 11, 20263,497$12.52$43.8K
Feb 27, 20261$12.50$12.5
Feb 19, 20261$12.76$12.76
Feb 18, 20261$12.89$12.89
Feb 17, 20262$12.99$25.98
Feb 12, 2026600$12.90$7.74K
Feb 10, 20267,701$13.18$101.5K
Feb 9, 20263,620$13.10$47.4K

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 MSIF by trade date
Trade dateShort volumeShort exemptOff-exchange volumeShort volume ratio
Nov 10, 202677,4620125,94361.5%
Nov 9, 202632,749089,69236.5%
Nov 6, 202639,14611,119125,94331.1%
Nov 5, 202616,05821765,93524.4%
Nov 4, 202611,492098,03411.7%
Nov 3, 202623,002073,07031.5%
Nov 2, 202615,020053,45628.1%
Oct 30, 202626,051074,06735.2%
Oct 29, 202612,832063,49420.2%
Oct 28, 202621,651067,76032.0%
Oct 27, 202621,5557287,72224.6%
Oct 26, 202626,336075,46834.9%
Oct 23, 202619,31820152,20437.0%
Oct 22, 202629,939080,88137.0%
Oct 21, 202628,954075,67838.3%
Oct 20, 202621,204049,82542.6%
Oct 19, 202656,181088,44863.5%
Oct 16, 202624,806052,41647.3%
Oct 15, 202625,864052,90648.9%
Oct 14, 202617,845032,50354.9%
Oct 13, 202620,434081,62625.0%
Oct 12, 202634,353080,68442.6%
Oct 9, 202651,9560120,26843.2%
Oct 8, 202672,3401,600147,72249.0%
Oct 7, 202635,249100137,83825.6%
Oct 6, 202612,454094,68613.2%
Oct 5, 202630,179098,68630.6%
Oct 2, 202623,958073,48732.6%
Oct 1, 202632,8510140,82623.3%
Sep 30, 202616,4510109,54015.0%

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 MSIF
Week ofTierATS sharesATS tradesOther OTC sharesOther OTC tradesATS share
Oct 5, 2026T2234,1476,131379,2552,55438.2%
Sep 28, 2026T2166,9867,444362,3222,46631.5%
Sep 21, 2026T2146,5015,786317,4231,77831.6%
Sep 14, 2026T2173,8575,920283,8821,87538.0%
Sep 7, 2026T2174,6774,665304,4631,67136.5%
Aug 31, 2026T2232,1095,645344,6672,41240.2%
Aug 24, 2026T2241,8576,006343,1502,01041.3%
Aug 17, 2026T2205,6187,104426,9381,96232.5%
Aug 10, 2026T2264,8226,591382,2242,29840.9%
Aug 3, 2026T2469,74610,948664,7873,02141.4%
Jul 27, 2026T2345,4926,952643,9032,12334.9%
Jul 20, 2026T2229,7587,132502,8923,06231.4%