Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in MMS held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | FMR LLC | 8.2M | $524.2M | +0.1% | 15.566% | 0.03% |
| 2 | BlackRock, Inc. | 7.5M | $482.0M | -12.8% | 14.312% | 0.01% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.5M | $222.5M | β | 6.608% | 0.01% |
| 4 | STATE STREET CORP | 2.5M | $157.6M | -1.2% | 4.680% | 0.01% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 2.4M | $156.3M | β | 4.639% | 0.00% |
| 6 | DIMENSIONAL FUND ADVISORS LP | 2.1M | $135.1M | +7.2% | 4.011% | 0.03% |
| 7 | FULLER & THALER ASSET MANAGEMENT, INC. | 2.1M | $133.4M | +31.2% | 3.962% | 0.45% |
| 8 | MACKENZIE FINANCIAL CORP | 1.6M | $101.2M | -16.1% | 3.003% | 0.12% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 1.5M | $96.0M | +1.1% | 2.850% | 0.01% |
| 10 | Allianz Asset Management GmbH | 895K | $57.4M | +47.2% | 1.703% | 0.06% |
| 11 | REINHART PARTNERS, INC. | 855K | $54.8M | +17.9% | 1.628% | 1.58% |
| 12 | River Road Asset Management, LLC | 826K | $53.0M | +0.4% | 1.573% | 0.60% |
| 13 | Sio Capital Management, LLC | 769K | $49.3M | +53.7% | 1.463% | 7.10% |
| 14 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 717K | $46.0M | -2.4% | 1.364% | 0.01% |
| 15 | Stephens Investment Management Group LLC | 716K | $45.9M | -0.5% | 1.363% | 0.63% |
| 16 | NORTHERN TRUST CORP | 693K | $44.4M | -0.8% | 1.319% | 0.01% |
| 17 | Boston Partners | 669K | $42.7M | -24.0% | 1.273% | 0.04% |
| 18 | UBS Group AG | 615K | $39.4M | +0.8% | 1.171% | 0.01% |
| 19 | FEDERATED HERMES, INC. | 610K | $39.1M | +3.2% | 1.161% | 0.06% |
| 20 | BANK OF AMERICA CORP /DE/ | 563K | $36.1M | -19.6% | 1.073% | 0.00% |
| 21 | Bank of New York Mellon Corp | 519K | $33.2M | +0.2% | 0.987% | 0.01% |
| 22 | JUPITER ASSET MANAGEMENT LTD | 484K | $31.1M | β | 0.922% | 0.17% |
| 23 | GOLDMAN SACHS GROUP INC | 481K | $30.8M | -17.7% | 0.915% | 0.00% |
| 24 | Walleye Capital LLC | 429K | $27.5M | +115.7% | 0.816% | 0.12% |
| 25 | Qube Research & Technologies Ltd | 398K | $25.5M | +14.9% | 0.758% | 0.03% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in MMS β a direct measure of their conviction.
Filings activity in MMS during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new MMS position in Q1 2026
Institutions that fully closed their MMS position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 366 | 4.2% | 102.81% | 44.73 pp | $3.36B | 30% |
| Q4 2025 | 382 | +2.4% | 147.54% | 1.42 pp | $4.83B | 1.0% |
| Q3 2025 | 373 | 0.5% | 148.96% | +32.59 pp | $4.87B | +28% |
| Q2 2025 | 375 | +6.2% | 116.37% | +5.42 pp | $3.81B | +4.9% |
| Q1 2025 | 353 | +1.4% | 110.95% | 12.31 pp | $3.63B | 10.0% |
| Q4 2024 | 348 | 5.4% | 123.26% | 76.73 pp | $4.03B | 59% |
| Q3 2024 | 368 | +3.7% | 199.99% | +54.69 pp | $9.77B | +106% |
| Q2 2024 | 355 | β | 145.30% | β | $4.75B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying MMS stock.
Based on Q1 2026 13F filings, institutional ownership of Maximus, Inc. stands at 102.8%, held across 366 reporting institutions.
FMR LLC is the largest reported institutional holder of MMS, with approximately 8,178,373 shares worth $0.52B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of MMS.
Our composite Smart Money Score for MMS is 21 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
61 institutions opened new positions in MMS during Q1 2026, while 77 fully exited. 44 added to existing positions and 259 trimmed.
MMS institutional ownership fell by 44.73 percentage points quarter-over-quarter, with a net change of -16 holders.
The top 10 institutions account for 61.4% of all reported 13F value in MMS, and the top 25 account for 79.2%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.