Who owns Main Street Capital CORP?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of MAIN from SEC Form 13F filings across 402 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 402 institutions disclosed 22.7M shares of Main Street Capital CORP worth $1.22B — about 24.4% of shares outstanding; the largest disclosed holder is PRICE T ROWE ASSOCIATES INC /MD/. Source: SEC Form 13F filings, parsed by EvidInvest.
402
13F holders
$1.22B
value, 2026 filers
24.4%
of shares outstanding (22.7M sh)
45
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of MAIN's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | PRICE T ROWE ASSOCIATES INC /MD/ | 3.3M | $173.4M | 0.0% | 3.6% | +23.4% |
| 2 | VAN ECK ASSOCIATES CORP | 1.9M | $97.8M | 0.1% | 2% | -10.6% |
| 3 | UBS Group AG | 1.4M | $72.0M | 0.0% | 1.5% | +3.7% |
| 4 | Legal & General Group Plc | 835,057 | $43.3M | 0.0% | 0.9% | +6.5% |
| 5 | MORGAN STANLEY | 786,284 | $40.8M | 0.0% | 0.8% | -8.0% |
| 6 | Qube Research & Technologies Ltd | 654,166 | $33.9M | 0.0% | 0.7% | +34.7% |
| 7 | Invesco Ltd. | 553,967 | $28.7M | 0.0% | 0.6% | +28.1% |
| 8 | ADELL HARRIMAN & CARPENTER INC | 498,998 | $25.9M | 1.3% | 0.5% | +3.0% |
| 9 | Muzinich & Co., Inc. | 495,923 | $25.7M | 8.8% | 0.5% | +2.3% |
| 10 | BlackRock, Inc. | 403,623 | $20.9M | 0.0% | 0.4% | -4.9% |
| 11 | Sumitomo Mitsui Trust Group, Inc. | 375,509 | $19.5M | 0.0% | 0.4% | +1.3% |
| 12 | D. E. Shaw & Co., Inc. | 375,318 | $19.5M | 0.0% | 0.4% | -30.9% |
| 13 | LPL Financial LLC | 347,600 | $18.0M | 0.0% | 0.4% | -0.1% |
| 14 | FRANKLIN RESOURCES INC | 342,763 | $17.8M | 0.0% | 0.4% | +6.8% |
| 15 | GOLDMAN SACHS GROUP INC | 332,291 | $17.2M | 0.0% | 0.4% | +6.0% |
| 16 | PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO | 281,397 | $14.6M | 0.1% | 0.3% | 0.0% |
| 17 | CHILDRESS CAPITAL ADVISORS, LLC | 257,733 | $13.4M | 2.2% | 0.3% | -12.3% |
| 18 | RAYMOND JAMES FINANCIAL INC | 238,617 | $12.4M | 0.0% | 0.3% | -9.5% |
| 19 | Trinity Legacy Partners, LLC | 217,844 | $12.1M | 2.4% | 0.2% | +7.2% |
| 20 | SANDERS MORRIS HARRIS LLC | 199,559 | $10.4M | 6.0% | 0.2% | -15.9% |
| 21 | ROYAL BANK OF CANADA | 174,795 | $9.1M | 0.0% | 0.2% | +15.6% |
| 22 | Bridgelight Financial Advisors, Inc.NEW | 166,563 | $8.6M | 5.9% | 0.2% | new |
| 23 | Private Advisor Group, LLC | 162,463 | $8.4M | 0.0% | 0.2% | -4.6% |
| 24 | OSAIC HOLDINGS, INC. | 162,228 | $8.4M | 0.0% | 0.2% | -4.4% |
| 25 | Cambridge Investment Research Advisors, Inc. | 153,949 | $8.0M | 0.0% | 0.2% | +6.2% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.