Maximus Inc
Ownership
Ownership Structure
Who owns Maximus Inc (MMS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 98.6% of the shares are freely tradable; institutional investors hold 110.3%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| FMR Inc | 15.62 | 8,178,373 | +0.1 | 03/31/2026 |
| BlackRock Inc | 14.36 | 7,519,627 | -12.8 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 6.63 | 3,471,636 | +0.0 | 03/31/2026 |
| State Street Corp | 4.70 | 2,458,892 | -1.2 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.66 | 2,437,636 | +0.0 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 4.50 | 2,354,118 | +11.7 | 06/30/2026 |
| Fuller & Thaler Asset Management Inc | 3.98 | 2,081,466 | -34.4 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| FullerThaler Beh Small-Cap Value SMA | 4.47 | 2,340,253 | +7,751.9 | 06/30/2026 |
| FullerThaler Behavioral Small-Cap Value | 4.47 | 2,340,253 | +3.6 | 06/30/2026 |
| Undiscovered Managers Behavioral Val L | 4.12 | 2,159,425 | -1.6 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.