MAINMain Street Capital Corporation

$53.75-14% 1Y

Who owns MAIN

391 institutions reported holding MAIN for 2026Q2, together 25% of the company, fewer than the 412 a quarter earlier.

391

Institutions reporting a position · as of 2026Q2 · down from 412 the quarter before

Shares held by institutions
22.5M

Shares held by institutions · 25% of the company · long US equity positions only, as reported on Form 13F

Reported value
$1.21B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
9.1%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
53
New positions
41
Positions exited
62
Added to
128
Reduced
107
Top 10 holdersof the company
12%
Shares sold shortsettled Sep 15, 2026
9.4M
Short interestof shares outstanding
10%
Days to coverat the average daily volume
21.0
Change in the short positionsince the Aug 31, 2026 count
−0.68%
Institutional ownership by quarter, 2013Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q239122.5M$1.21B
2026Q141223.1M$1.22B
2025Q442320.8M$1.26B
2025Q340019.8M$1.26B
2025Q239819.6M$1.30B
2025Q138718.8M$1.06B
2024Q439418.7M$1.09B
2024Q335118.5M$924M
2024Q233617.1M$1.19B
2024Q132117.0M$799M
2023Q430717.4M$750M
2023Q329017.6M$714M
2023Q228716.5M$679M
2023Q127215.6M$617M
2022Q427115.5M$571M
2022Q324714.5M$490M
Largest reported holders, 2026Q2
HolderShares% of companyValue
PRICE T ROWE ASSOCIATES INC /MD/3.3M3.7%$173M
VAN ECK ASSOCIATES CORP1.9M2.1%$98M
UBS Group AG1.4M1.5%$72M
Legal & General Group Plc0.8M0.92%$43M
MORGAN STANLEY0.8M0.87%$41M
Qube Research & Technologies Ltd0.7M0.72%$34M
Invesco Ltd.0.6M0.61%$29M
ADELL HARRIMAN & CARPENTER INC0.5M0.55%$26M
Muzinich & Co., Inc.0.5M0.55%$26M
BlackRock Inc.0.4M0.45%$21M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20269.4M10%21.0
Aug 31, 20269.4M10%23.1
Aug 14, 20269.4M10%12.8
Jul 31, 20269.4M10%16.6
Jul 15, 20269.9M11%15.0
Jun 30, 20269.7M11%13.3
Jun 15, 20269.7M11%15.4
May 29, 20269.6M11%12.8
May 15, 20269.5M10%11.3
Apr 30, 20269.1M10%13.7
Apr 15, 20268.8M9.7%12.7
Mar 31, 20268.3M9.1%7.5

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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