Maximus, Inc. (MMS) ownership: Top institutional holder: VANGUARD GROUP INC ($537.54M). Insider activity: Net Seller (0 buys, 16 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 6227259.00 | $537.54M | 2025-12-31 |
| FMR LLC | 8178373.00 | $524.23M | 2026-03-31 |
| BlackRock, Inc. | 7519627.00 | $482.01M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3471636.00 | $222.53M | 2026-03-31 |
| BlackRock Fund Advisors | 3790513.00 | $211.47M | 2016-12-31 |
| STATE STREET CORP | 2458892.00 | $157.61M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2437636.00 | $156.25M | 2026-03-31 |
| DIMENSIONAL FUND ADVISORS LP | 2107278.00 | $135.08M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-03-17 | |
| Sell | null | 2026-03-10 | |
| Sell | null | 2026-03-10 | |
| Sell | null | 2026-03-10 | |
| Sell | null | 2026-03-10 | |
| Sell | null | 2026-03-10 | |
| Sell | null | 2026-02-27 | |
| Sell | null | 2026-02-24 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.