Latest Period
Q1 2026
Security Snapshot
MAXIMUS, INC. - Common Stock (MMS) Institutional Ownership
CUSIP: 577933104
13F Institutional Holders and Ownership History from Q1 2014 to Q2 2026
Institutions Reporting
371
Shares (Excl. Options)
55,384,766
Price
$64.10
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- Security type / class
- Equity / Common Stock
- Symbol
- MMS on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 55,384,766
- Total 13F value
- $3,552,643,788
- Portfolio coverage rank
- 0%
- Share change
- -2,247,474
- Value change
- -$179,000,005
- Number of holders
- 371
- Shares outstanding
- 54,628,795
- SEC-reported price per share
- $53.76
- Insider filing price
- $53.76
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- MMS - MAXIMUS, INC. - Common Stock is tracked under CUSIP 577933104.
- 371 institutions reported positions in Q1 2026.
- 5 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 371 to 8 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $3,552,643,788 to $109,472,770.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 371 institutions filings for Q1 2026.
Security key
577933104
Latest holder period
Q1 2026
13F holders
371
13D/G owners
5
CIK / CUSIP context first
Open Q1 2026 holders
MMS full holder history
MAXIMUS, INC. SEC filings
MAXIMUS, INC. company facts
MAXIMUS, INC. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 577933104:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
5
Security
MMS
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| FMR LLC | 15% | +7.9% | $573,238,965 | +$8,550,041 | 8,488,656 | +1.5% | FMR LLC | 31 Mar 2025 |
| BlackRock, Inc. | 12% | $501,711,974 | 7,429,468 | BlackRock, Inc. | 31 Dec 2024 | |||
| VANGUARD PORTFOLIO MANAGEMENT LLC | 6.4% | $225,834,876 | 3,523,165 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| VANGUARD CAPITAL MANAGEMENT LLC | 5.2% | $183,139,213 | 2,857,086 | Vanguard Capital Management | 31 Mar 2026 | |||
| VICTORY CAPITAL MANAGEMENT INC | 0.03% | $1,586,549 | 17,364 | Victory Capital Management, Inc. | 30 Sep 2025 |
As of 31 Mar 2026, 371 institutional investors reported holding 55,384,766 shares of MAXIMUS, INC. - Common Stock (MMS). This represents 101% of the company’s total 54,628,795 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
78%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| FMR LLC | 15% | 8,178,373 | +0.12% | 0.03% | $524,233,708 |
| BlackRock, Inc. | 14% | 7,519,627 | -13% | 0.01% | $482,008,062 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 6.4% | 3,471,636 | 0% | 0.01% | $222,531,868 |
| STATE STREET CORP | 4.5% | 2,458,892 | -1.2% | 0.01% | $157,614,977 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.5% | 2,437,636 | 0% | 0% | $156,252,468 |
| DIMENSIONAL FUND ADVISORS LP | 3.9% | 2,107,278 | +7.2% | 0.03% | $135,084,006 |
| FULLER & THALER ASSET MANAGEMENT, INC. | 3.8% | 2,081,466 | +31% | 0.45% | $133,421,950 |
| MACKENZIE FINANCIAL CORP | 2.9% | 1,578,075 | -16% | 0.12% | $101,154,607 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.7% | 1,497,679 | +1.1% | 0.01% | $96,018,248 |
| Van Berkom & Associates Inc. | 2.1% | 1,172,190 | +3.7% | 2.4% | $75,137,000 |
| Allianz Asset Management GmbH | 1.6% | 894,929 | +47% | 0.07% | $57,364,948 |
| REINHART PARTNERS, LLC. | 1.6% | 855,069 | +18% | 1.6% | $54,810,981 |
| River Road Asset Management, LLC | 1.5% | 826,224 | +0.36% | 0.6% | $52,960,958 |
| Sio Capital Management, LLC | 1.4% | 768,825 | +54% | 7.1% | $49,281,683 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.3% | 716,920 | -2.4% | 0.01% | $45,954,572 |
| Stephens Investment Management Group LLC | 1.3% | 716,389 | -0.48% | 0.63% | $45,920,535 |
| NORTHERN TRUST CORP | 1.3% | 693,028 | -0.84% | 0.01% | $44,423,096 |
| Boston Partners | 1.2% | 669,053 | -24% | 0.04% | $42,719,884 |
| UBS Group AG | 1.1% | 615,193 | +0.79% | 0.01% | $39,433,871 |
| FEDERATED HERMES, INC. | 1.1% | 609,892 | +3.2% | 0.06% | $39,094,079 |
| BANK OF AMERICA CORP /DE/ | 1% | 563,486 | -20% | 0% | $36,119,451 |
| Bank of New York Mellon Corp | 0.95% | 518,704 | +0.24% | 0.01% | $33,248,919 |
| JUPITER ASSET MANAGEMENT LTD | 0.89% | 484,421 | 0.17% | $31,051,386 | |
| GOLDMAN SACHS GROUP INC | 0.88% | 480,582 | -18% | 0% | $30,805,327 |
| Walleye Capital LLC | 0.78% | 428,618 | +116% | 0.17% | $27,474,414 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
50
Latest
Q1 2026
Rows shown
1-25 of 50
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 2,036,309 | $109,472,770 | +$62,159,547 | $53.76 | 8 |
| 2026 Q1 | 55,384,766 | $3,552,643,788 | -$179,000,005 | $64.10 | 371 |
| 2025 Q4 | 57,763,769 | $4,988,544,923 | +$185,848,529 | $86.32 | 384 |
| 2025 Q3 | 55,398,408 | $5,060,576,419 | -$117,465,939 | $91.37 | 381 |
| 2025 Q2 | 57,007,020 | $4,003,521,399 | +$75,484,015 | $70.20 | 378 |
| 2025 Q1 | 55,933,222 | $3,813,616,272 | -$93,788,120 | $68.19 | 354 |
| 2024 Q4 | 57,108,902 | $4,263,943,860 | -$133,706,581 | $74.65 | 352 |
| 2024 Q3 | 58,524,528 | $5,451,867,871 | -$122,169,553 | $93.16 | 369 |
| 2024 Q2 | 58,861,382 | $5,044,558,781 | +$8,036,464 | $85.70 | 351 |
| 2024 Q1 | 58,734,872 | $4,927,496,979 | -$36,080,172 | $83.90 | 347 |
| 2023 Q4 | 59,238,765 | $4,967,558,484 | -$41,604,908 | $83.86 | 342 |
| 2023 Q3 | 59,944,889 | $4,472,143,974 | -$66,157,350 | $74.68 | 320 |
| 2023 Q2 | 60,696,804 | $5,129,841,324 | +$9,243,579 | $84.51 | 302 |
| 2023 Q1 | 60,587,516 | $4,768,368,271 | +$57,120,160 | $78.70 | 300 |
| 2022 Q4 | 60,419,214 | $4,430,233,265 | +$36,389,604 | $73.33 | 308 |
| 2022 Q3 | 60,133,663 | $3,480,119,611 | +$66,201,079 | $57.87 | 289 |
| 2022 Q2 | 58,674,059 | $3,666,997,988 | -$34,540,664 | $62.51 | 301 |
| 2022 Q1 | 59,472,453 | $4,458,503,897 | +$89,947,837 | $74.95 | 316 |
| 2021 Q4 | 58,314,373 | $4,645,590,347 | -$98,385,553 | $79.67 | 343 |
| 2021 Q3 | 58,697,537 | $4,884,896,294 | +$8,978,895 | $83.20 | 317 |
| 2021 Q2 | 58,536,403 | $5,148,668,487 | +$37,786,004 | $87.97 | 350 |
| 2021 Q1 | 58,146,214 | $5,181,708,264 | +$14,936,878 | $89.04 | 319 |
| 2020 Q4 | 58,146,106 | $4,256,120,788 | +$13,304,606 | $73.19 | 319 |
| 2020 Q3 | 58,133,933 | $3,968,186,971 | -$25,137,199 | $68.41 | 301 |
| 2020 Q2 | 58,432,578 | $4,110,507,386 | +$4,035,681 | $70.45 | 307 |