MAIN
Main Street Capital CORPCompany with tickers: MAIN
Market Cap
$4.74B
Shares Outstanding
92,989,838
CIK
1396440
CUSIP
56035L104
13F Activity (30d)
20 filings
2 filers
Website
Visit website
Investor Relations
Investor relations
Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.
Off-Exchange Volume History
| Week Start | ATS Volume | Non-ATS OTC Volume | Total Off-Exchange | % of FINRA Weekly Volume |
|---|---|---|---|---|
| 2026-05-04 | 673,508 | 1,171,103 | 1,844,611 | 59.3% |
| 2026-04-27 | 454,038 | 805,876 | 1,259,914 | 58.1% |
| 2026-04-20 | 463,944 | 911,422 | 1,375,366 | 64.5% |
| 2026-04-13 | 1,081,813 | 1,558,415 | 2,640,228 | 56.6% |
| 2026-04-06 | 539,777 | 1,031,306 | 1,571,083 | 53.4% |
| 2026-03-30 | 775,164 | 986,208 | 1,761,372 | 53.9% |
| 2026-03-23 | 846,420 | 903,354 | 1,749,774 | 50.6% |
| 2026-03-16 | 1,395,601 | 1,587,423 | 2,983,024 | 36.6% |
| 2026-03-09 | 1,075,920 | 1,288,529 | 2,364,449 | 50.8% |
| 2026-03-02 | 1,115,530 | 903,959 | 2,019,489 | 49.2% |
| 2026-02-23 | 845,607 | 1,037,769 | 1,883,376 | 49.7% |
| 2026-02-16 | 525,152 | 822,707 | 1,347,859 | 53.5% |
| 2026-02-09 | 583,631 | 795,496 | 1,379,127 | 50.5% |
| 2026-02-02 | 881,301 | 980,090 | 1,861,391 | 51.0% |
| 2026-01-26 | 377,714 | 483,322 | 861,036 | 45.0% |
| 2026-01-19 | 299,164 | 458,836 | 758,000 | 48.5% |
| 2026-01-12 | 582,632 | 743,173 | 1,325,805 | 46.3% |
| 2026-01-05 | 518,164 | 841,067 | 1,359,231 | 49.4% |
| 2025-12-29 | 284,143 | 539,518 | 823,661 | 50.2% |
| 2025-12-22 | 347,631 | 708,002 | 1,055,633 | 56.0% |
| 2025-12-15 | 796,760 | 732,469 | 1,529,229 | 32.2% |
| 2025-12-08 | 505,859 | 580,839 | 1,086,698 | 47.4% |
| 2025-12-01 | 439,112 | 707,499 | 1,146,611 | 51.8% |
| 2025-11-24 | 217,092 | 365,983 | 583,075 | 47.3% |
| 2025-11-17 | 753,338 | 735,737 | 1,489,075 | 51.4% |
| 2025-11-10 | 375,452 | 930,859 | 1,306,311 | 58.0% |
| 2025-11-03 | 545,306 | 805,165 | 1,350,471 | 50.2% |
| 2025-10-27 | 435,386 | 732,273 | 1,167,659 | 51.8% |
| 2025-10-20 | 550,492 | 752,527 | 1,303,019 | 54.1% |
| 2025-10-13 | 714,550 | 957,889 | 1,672,439 | 47.3% |
| 2025-10-06 | 960,759 | 2,068,344 | 3,029,103 | 53.0% |
| 2025-09-29 | 402,340 | 598,836 | 1,001,176 | 49.9% |
| 2025-09-22 | 485,409 | 761,664 | 1,247,073 | 48.0% |
| 2025-09-15 | 680,161 | 804,713 | 1,484,874 | 31.7% |
| 2025-09-08 | 545,135 | 679,515 | 1,224,650 | 52.0% |
| 2025-09-01 | 353,742 | 561,557 | 915,299 | 49.8% |
| 2025-08-25 | 442,998 | 733,888 | 1,176,886 | 49.1% |
| 2025-08-18 | 640,948 | 782,228 | 1,423,176 | 53.6% |
| 2025-08-11 | 432,957 | 638,684 | 1,071,641 | 45.2% |
| 2025-08-04 | 572,769 | 954,924 | 1,527,693 | 51.4% |
| 2025-07-28 | 411,565 | 671,001 | 1,082,566 | 49.3% |
| 2025-07-21 | 577,339 | 693,800 | 1,271,139 | 50.5% |
| 2025-07-14 | 395,872 | 752,767 | 1,148,639 | 49.7% |
| 2025-07-07 | 371,598 | 831,079 | 1,202,677 | 46.4% |
| 2025-06-30 | 323,682 | 571,933 | 895,615 | 50.8% |
Showing 1–45 of 45 weeks