MAIN · Company research
Main Street Capital Corporation (MAIN): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
51records availableFinancial Services
Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | 1021642 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2025 | 105057 | — | — | — | Jul 16, 2026 | SEC_13F_DATASET |
| BROWN BROTHERS HARRIMAN & CO | 14661 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 301 | 15616 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| DRW Securities, LLC | 1481986 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5870 | 304535 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BAYBAN | 2110649 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1612 | 83631 | — | — | — | Jul 30, 2026 | SEC_13F_DATASET |
| AMERICAN NATIONAL BANK & TRUST | 1272164 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6000 | 311280 | — | — | — | Jul 22, 2026 | SEC_13F_DATASET |
| KING LUTHER CAPITAL MANAGEMENT CORP | 310051 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 42410 | 2200231 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| NISA INVESTMENT ADVISORS, LLC | 937615 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3900 | 202332 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Russell Investments Group, Ltd. | 1692234 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 48232 | 2502276 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| AMERIPRISE FINANCIAL INC | 820027 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 128082 | 6646579 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| DNB Asset Management AS | 1456670 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19520 | 1012698 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| FARMERS & MERCHANTS INVESTMENTS INC | 1259969 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19 | 986 | — | — | — | Jul 20, 2026 | SEC_13F_DATASET |
| DEARBORN PARTNERS LLC | 1206792 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 28832 | 1526943 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Winch Advisory Services, LLC | 1585822 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 606 | 31455 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| IAG Wealth Partners, LLC | 1827261 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 300 | 15564 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| FJ Capital Management LLC | 1599170 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 53085 | 2754050 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| TRUST CO OF VERMONT | 1134008 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 300 | 15564 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO | 315297 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 281397 | 14599 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| BOKF, NA | 9634 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 25000 | 1297000 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Washington Trust Advisors, Inc. | 1900099 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1129 | 58573 | — | — | — | Jul 29, 2026 | SEC_13F_DATASET |
| NEUBERGER BERMAN GROUP LLC | 1465109 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 26141 | 1356195 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Covestor Ltd | 1909846 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 43 | 2 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| VESTOR CAPITAL, LLC | 1132699 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 48400 | 2511 | — | — | — | Jul 28, 2026 | SEC_13F_DATASET |
| Argent Trust Co | 1625292 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5901 | 306144 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Bank of New York Mellon Corp | 1390777 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 33872 | 1757279 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| IHT Wealth Management, LLC | 1697490 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 61492 | 3190175 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Sumitomo Mitsui Trust Group, Inc. | 1475365 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 375509 | 19481407 | — | — | — | Jul 30, 2026 | SEC_13F_DATASET |
| ADELL HARRIMAN & CARPENTER INC | 1134152 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 498998 | 25888048 | — | — | — | Aug 4, 2026 | SEC_13F_DATASET |
| Generali Investments CEE, investicni spolecnost, a.s. | 2047540 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20785 | 1078326 | — | — | — | Jul 13, 2026 | SEC_13F_DATASET |
| TUDOR INVESTMENT CORP ET AL | 923093 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 111577 | 5788615 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BARTLETT & CO. WEALTH MANAGEMENT LLC | 2010186 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 9700 | 503236 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| Asset Planning,Inc | 2048547 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 500 | 25940 | — | — | — | Jul 27, 2026 | SEC_13F_DATASET |
| Archer Investment Corp | 1803804 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 9351 | 485144 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| MassMutual Private Wealth & Trust, FSB | 1103653 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 547 | 28378 | — | — | — | Jul 2, 2026 | SEC_13F_DATASET |
| CONFLUENCE INVESTMENT MANAGEMENT LLC | 1442056 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 77208 | 4005551 | — | — | — | Jul 1, 2026 | SEC_13F_DATASET |
| Financial Security Advisor, Inc. | 1997602 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 14050 | 728930 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Steigerwald, Gordon & Koch Inc. | 1731876 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 600 | 31128 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| PIN OAK INVESTMENT ADVISORS INC | 1094584 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 100 | 5 | — | — | — | Aug 18, 2026 | SEC_13F_DATASET |
| Financial Management Professionals, Inc. | 1568132 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1190 | 61761 | — | — | — | Jul 9, 2026 | SEC_13F_DATASET |
| HUNTINGTON NATIONAL BANK | 49205 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 102 | 5292 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| MACKENZIE FINANCIAL CORP | 919859 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 24127 | 1251709 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Callahan Advisors, LLC | 1395055 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19175 | 994812 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| BNP PARIBAS FINANCIAL MARKETS | 1166588 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 100030 | 5189556 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| PRIVATE TRUST CO NA | 1277557 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1869 | 96964 | — | — | — | Jul 28, 2026 | SEC_13F_DATASET |
| AMERIPRISE FINANCIAL INC | 820027 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 125789 | 6680557 | — | — | — | Jul 17, 2026 | SEC_13F_DATASET |
| Jump Financial, LLC | 1831577 | Mon Jun 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 2900 | 171390 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Advisors Asset Management, Inc. | 1297376 | Fri Sep 30 2022 00:00:00 GMT+0000 (Coordinated Universal Time) | 74734 | 2514 | — | — | — | Aug 26, 2026 | SEC_13F_DATASET |
| Advisors Asset Management, Inc. | 1297376 | Fri Dec 31 2021 00:00:00 GMT+0000 (Coordinated Universal Time) | 76070 | 3412500 | — | — | — | Aug 27, 2026 | SEC_13F_DATASET |
| Advisors Asset Management, Inc. | 1297376 | Tue Mar 31 2020 00:00:00 GMT+0000 (Coordinated Universal Time) | 8237 | 168941 | — | — | — | Aug 21, 2026 | SEC_13F_DATASET |
| Advisors Asset Management, Inc. | 1297376 | Tue Dec 31 2019 00:00:00 GMT+0000 (Coordinated Universal Time) | 5302 | 228569 | — | — | — | Aug 25, 2026 | SEC_13F_DATASET |
| Advisors Asset Management, Inc. | 1297376 | Mon Sep 30 2019 00:00:00 GMT+0000 (Coordinated Universal Time) | 2141 | 92513 | — | — | — | Aug 18, 2026 | SEC_13F_DATASET |
| Advisors Asset Management, Inc. | 1297376 | Sat Mar 31 2018 00:00:00 GMT+0000 (Coordinated Universal Time) | 22162 | 789 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.