Main Street Capital Corporation (MAIN) Ownership
MAIN ownership summary
as of October 18, 2026- Institutions
- 25.9% of shares outstanding
- Insiders
- 3.79% of shares outstanding
- Shares outstanding
- 93.5M
- Float
- 89.8M shares available to trade
- Short interest
- 10.58% 9.6M shares short
- Days to cover
- 20.51 short interest up 1.3% vs prior month
- Institutions 25.87%
- Insiders 3.79%
- Other investors 70.34%
MAIN top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | T. Rowe Price Associates, Inc. | 3.57% | 3.3M | $179.9M | +633,696 (+23.4%) | June 30, 2026 |
| 2 | Van Eck Associates Corporation | 2.02% | 1.9M | $101.5M | −223,648 (−10.6%) | June 30, 2026 |
| 3 | UBS Group AG | 1.48% | 1.4M | $74.7M | +48,919 (+3.7%) | June 30, 2026 |
| 4 | Legal & General Group PLC | 0.89% | 835K | $45.0M | +51,036 (+6.5%) | June 30, 2026 |
| 5 | Morgan Stanley - Brokerage Accounts | 0.84% | 786K | $42.3M | −68,301 (−8.0%) | June 30, 2026 |
| 6 | Qube Research & Technologies | 0.70% | 654K | $35.2M | +168,367 (+34.7%) | June 30, 2026 |
| 7 | Amvescap Plc. | 0.59% | 554K | $29.8M | +121,492 (+28.1%) | June 30, 2026 |
| 8 | Adell Harriman & Carpenter Inc | 0.53% | 499K | $26.9M | +14,414 (+3.0%) | June 30, 2026 |
| 9 | Muzinich & Co Inc | 0.53% | 496K | $26.7M | +11,100 (+2.3%) | June 30, 2026 |
| 10 | BlackRock Inc | 0.43% | 404K | $21.7M | −20,612 (−4.9%) | June 30, 2026 |
| 11 | Sumitomo Mitsui Trust Group Inc | 0.40% | 376K | $20.2M | +5,000 (+1.3%) | June 30, 2026 |
| 12 | D. E. Shaw & Co LP | 0.40% | 375K | $20.2M | −168,007 (−30.9%) | June 30, 2026 |
| 13 | LPL Financial Corp | 0.37% | 348K | $18.7M | −328 (−0.1%) | June 30, 2026 |
| 14 | Franklin Templeton Inc | 0.37% | 343K | $18.5M | +21,895 (+6.8%) | June 30, 2026 |
| 15 | The Goldman Sachs Group Inc | 0.36% | 332K | $17.9M | +18,903 (+6.0%) | June 30, 2026 |
| 16 | CAMBRIDGE Invest RESEARCH ADVISORS, INC. | 0.33% | 308K | $16.6M | +162,952 (+112.4%) | June 30, 2026 |
| 17 | Public Employees Retirt Assn Of Colorado | 0.30% | 281K | $15.1M | +1 (+0.0%) | June 30, 2026 |
| 18 | CHILDRESS CAPITAL ADVISORS, LLC | 0.28% | 258K | $13.9M | −36,000 (−12.3%) | June 30, 2026 |
| 19 | Trinity Legacy Partners LLC | 0.23% | 218K | $11.7M | +14,688 (+7.2%) | June 30, 2026 |
| 20 | SMH Capital Inc. | 0.21% | 200K | $10.7M | −37,696 (−15.9%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 1.3M shares and 7 cut 555K.
MAIN top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | T. Rowe Price Mid-Cap Value | 1.79% | 1.7M | $89.9M | — | September 30, 2026 |
| 2 | VanEck BDC Income ETF | 1.55% | 1.5M | $78.1M | — | September 30, 2026 |
| 3 | Invesco High Yield Eq Div Achiev™ ETF | 0.49% | 460K | $24.8M | — | September 30, 2026 |
| 4 | Putnam BDC Income ETF | 0.44% | 411K | $22.1M | −1,896 (−0.5%) | September 30, 2026 |
| 5 | iShares Listed Private Eq ETF USD Dist | 0.35% | 329K | $17.7M | — | September 30, 2026 |
| 6 | T. Rowe Price Small-Mid Cap ETF | 0.17% | 156K | $8.4M | +636 (+0.4%) | September 30, 2026 |
| 7 | JHFunds2 Mid Value NAV | 0.14% | 135K | $7.3M | — | August 31, 2026 |
| 8 | FID DC L&G Diversified Fund | 0.13% | 124K | $6.7M | −14,257 (−10.3%) | August 31, 2026 |
| 9 | T. Rowe Price Integrated US SMCC Eq I | 0.11% | 102K | $5.5M | +1,655 (+1.6%) | September 30, 2026 |
| 10 | First Trust Specialty Finance | 0.09% | 81K | $4.4M | — | September 30, 2026 |
| 11 | JHVIT Mid Value NAV | 0.09% | 81K | $4.4M | — | August 31, 2026 |
| 12 | L&G Diversified EUR C EUR Acc | 0.07% | 63K | $3.4M | −1 (−0.0%) | August 31, 2026 |
| 13 | Pembroke Dividend Growth A | 0.06% | 56K | $3.0M | +1,136 (+2.1%) | June 30, 2026 |
| 14 | LGT IM Global Equity High Inc Fd USD A | 0.05% | 45K | $2.4M | +2,132 (+5.0%) | September 30, 2026 |
| 15 | Invesco Global Listed Private Equity ETF | 0.04% | 41K | $2.2M | — | September 30, 2026 |
| 16 | First Trust US Equity Income ETF A | 0.04% | 35K | $1.9M | — | September 30, 2026 |
| 17 | FID DC L&G Retirement Income MA Fund | 0.04% | 33K | $1.8M | +1,908 (+6.1%) | September 30, 2026 |
| 18 | WisdomTree Private Credit & Alt Inc | 0.03% | 33K | $1.8M | — | September 30, 2026 |
| 19 | Multi-Asset Diversified Income ETF | 0.03% | 30K | $1.6M | — | September 30, 2026 |
| 20 | DNB Fund Listed Private Equity A EURDist | 0.03% | 24K | $1.3M | +4,427 (+22.7%) | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
MAIN insider transactions
latest 2| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-08-14 | Nicholas Meserve | Sell | $67.15 | 14,000 | $940,100 |
| 2025-06-27 | Jason B Beauvais | Sell | $59.37 | 13,664 | $811,232 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
MAIN shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns MAIN
Institutional investors own 25.9% of Main Street Capital's shares and insiders 3.79%. The largest holder is T. Rowe Price Associates, Inc. with 3.57% of the shares (3.3M), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 7 reduced their stake in the latest filings. Short interest is 10.58% of the float, or 20.51 days of average trading volume. The share count rose 99.7% since 2014.
Related: MAIN analyst forecast, MAIN key metrics, MAIN dividend history. See the MAIN stock overview for the latest quote and news.
MAIN ownership FAQ
Who owns the most Main Street Capital stock?
The largest shareholders of Main Street Capital are T. Rowe Price Associates, Inc. (3.57%), Van Eck Associates Corporation (2.02%), UBS Group AG (1.48%), Legal & General Group PLC (0.89%), Morgan Stanley - Brokerage Accounts (0.84%).
What percentage of Main Street Capital is owned by institutions?
Institutions hold 25.9% of Main Street Capital's shares outstanding; insiders hold 3.79%.
Which funds own Main Street Capital?
The largest fund holders of Main Street Capital are T. Rowe Price Mid-Cap Value (1.79%), VanEck BDC Income ETF (1.55%), Invesco High Yield Eq Div Achiev™ ETF (0.49%), Putnam BDC Income ETF (0.44%), iShares Listed Private Eq ETF USD Dist (0.35%).
What is Main Street Capital's short interest?
9.6M shares of Main Street Capital were sold short, 10.58% of the float; at the average daily volume it would take 20.51 days to cover.
Are insiders buying or selling Main Street Capital?
Of the latest 2 reported insider transactions in Main Street Capital (since June 27, 2025), 0 were purchases and 2 were sales.
How many shares of Main Street Capital are outstanding?
Main Street Capital has 93.5M shares outstanding, of which 89.8M are in the public float.