Who Owns MEDIFAST INC (MED)? -- Institutional Holders (2026-06-30)
139 institutions reported holding $109.8M of MEDIFAST INC (MED) in SEC 13F filings for 2026-06-30. Largest institutional holders: RENAISSANCE TECHNOLOGIES LLC ($8.3M), Steamboat Capital Partners, LLC ($7.5M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($6.2M), VANGUARD GROUP INC ($5.8M), TWO SIGMA INVESTMENTS, LP ($5.1M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | RENAISSANCE TECHNOLOGIES LLC | $8.3M | 778,610 | Added |
| 2 | Steamboat Capital Partners, LLC | $7.5M | 706,699 | Trimmed |
| 3 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $6.2M | 582,500 | Added |
| 4 | VANGUARD GROUP INC | $5.8M | 542,981 | Trimmed |
| 5 | TWO SIGMA INVESTMENTS, LP | $5.1M | 481,381 | Added |
| 6 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $4.2M | 396,996 | Trimmed |
| 7 | Sixth Street Partners Management Company, L.P. | $4.2M | 396,996 | New |
| 8 | BlackRock, Inc. | $3.9M | 369,503 | Trimmed |
| 9 | DIMENSIONAL FUND ADVISORS LP | $3.9M | 363,394 | Added |
| 10 | CITADEL ADVISORS LLC | $3.8M | 355,350 | Trimmed |
| 11 | AMERICAN CENTURY COMPANIES INC | $3.4M | 318,911 | Added |
| 12 | MORGAN STANLEY | $3.1M | 292,508 | Trimmed |
| 13 | GROUP ONE TRADING LLC | $3.1M | 288,600 | Trimmed |
| 14 | IMC-Chicago, LLC | $2.6M | 249,000 | Added |
| 15 | GOLDMAN SACHS GROUP INC | $2.6M | 243,085 | Added |
| 16 | MARSHALL WACE, LLP | $2.6M | 241,649 | New |
| 17 | AQR CAPITAL MANAGEMENT LLC | $2.5M | 236,434 | Added |
| 18 | Peapod Lane Capital LLC | $2.4M | 222,576 | Added |
| 19 | Lido Advisors, LLC | $2.3M | 220,337 | Added |
| 20 | Trexquant Investment LP | $2.3M | 212,684 | Added |
| 21 | JANE STREET GROUP, LLC | $1.7M | 164,881 | Trimmed |
| 22 | COMMONS CAPITAL, LLC | $1.6M | 149,916 | Added |
| 23 | Quinn Opportunity Partners LLC | $1.3M | 127,112 | Hold |
| 24 | GEODE CAPITAL MANAGEMENT, LLC | $1.3M | 121,071 | Trimmed |
| 25 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $1.2M | 117,078 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30