Companies / Main Street Capital CORP
Main Street Capital CORP
NYSE: MAINCIK 1396440HOUSTON, TX
Insider flow · last 90 daysNet sells $353.3K
Financials
Ownership
93.5M shares outstanding · as of Aug 6, 2026
Ownership
| Insiders | 3.92% | 3,663,462 |
| Institutions | 24.13% | 22,566,557 |
| Public float | 71.95% | 67,278,442 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 13
View all →| Insider | % of shares | Shares |
|---|---|---|
Foster Vincent DDirector | 1.94% | 1,813,722 |
Hyzak Dwayne L.CEOCEO, SMD · Director | 0.54% | 506,848 |
Magdol David L.PRESIDENT, CIO AND SMD | 0.47% | 440,688 |
Morris Jesse EEVP AND COO · Director | 0.29% | 267,568 |
Beauvais Jason BEVP, GC, SECRETARY | 0.21% | 196,185 |
Meserve NicholasMANAGING DIRECTOR | 0.10% | 96,445 |
Jackson John EarlDirector | 0.09% | 86,429 |
Griffin Jon KevinDirector | 0.08% | 73,787 |
Lane Brian E.Director | 0.06% | 52,261 |
Solcher Stephen BDirector | 0.06% | 51,982 |
Institutional holders 441
View all →| Holder | Value | % of shares |
|---|---|---|
| $53.77M | 0.95% | |
| $52.41M | 0.93% | |
| $43.48M | 0.77% | |
| $36.95M | 0.65% | |
| $28.77M | 0.58% | |
| $27.75M | 0.56% | |
| $26.57M | 0.47% | |
| $25.66M | 0.52% | |
| $25.35M | 0.45% | |
| $21.55M | 0.38% |
Activity
Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q1 2026 as of | Two Sigma Investments, LP 13F manager | Add | Common Stock | $23.92M | +452K +623.74% | 524,038 0.56% of shares | medium |
| Q1 2026 as of | Smh Capital Advisors Inc 13F manager | Trim | Common Stock | $-17.89M | -18K -94.70% | 1,000 <0.01% of shares | medium |
| Q1 2026 as of | D. E. Shaw & Co., Inc. 13F manager | Add | Common Stock | $14.02M | +265K +95.07% | 543,325 0.58% of shares | medium |
| Q1 2026 as of | Sanders Morris Harris LLC 13F manager | New | Common Stock | $12.57M | +237K | 237,255 0.25% of shares | medium |
| Q1 2026 as of | Marshall Wace, LLP 13F manager | New | Common Stock | $10.88M | +205K | 205,441 0.22% of shares | medium |
| Q2 2026 as of | BlackRock, Inc. 13F manager | Add | Common Stock | $10.04M | +193K +92.09% | 403,623 0.43% of shares | medium |
| Q2 2026 as of | State Street Corporation 13F manager | New | Common Stock | $6.77M | +130K | 130,435 0.14% of shares | medium |
| Q1 2026 as of | Millennium Management LLC 13F manager | Add | Common Stock | $5.97M | +113K +45.65% | 359,838 0.38% of shares | medium |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| MAIN | Common Stock | 56035L104 |