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# Who owns MEDIFAST INC (MED)? Elite investor 13F holders

3 tracked elite investors reported holding MEDIFAST INC as of 2026-06-30, including Renaissance Technologies LLC, D.E. Shaw, Ancora Advisors / Ancora Holdings. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.

3 tracked investors currently reported holding · Latest report period: 2026-06-30 · Consumer Staples · Food, Beverage & Tobacco

Medifast, Inc., through its subsidiaries, operates as a health and wellness company that provides habit-based and coach-guided lifestyle solutions for weight loss in the United States. The company offers weight loss, weight management, and healthy living products comprising bars, cereals, snack straws, hot chocolate, hearty choices, oatmeal, pancakes, puddings, soft serves, shakes, smoothies,…

## Reported holders and securities, including exits (up to 20)

| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|  --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| [Renaissance Technologies LLC](https://ownershiptrace.com/13f/investors/63) | MEDIFAST INC | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 8261052.00 USD | 778610.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/1037389/0001037389-26-000059-index.html) |
| [D.E. Shaw](https://ownershiptrace.com/13f/investors/98) | MEDIFAST INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 979780.00 USD | 92345.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1009207/0001104659-26-097217-index.html) |
| [Ancora Advisors / Ancora Holdings](https://ownershiptrace.com/13f/investors/101) | MEDIFAST INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 74907.00 USD | 7060.000000 | Shares | buy | [Original filing](https://www.sec.gov/Archives/edgar/data/1446114/0001446114-26-000012-index.html) |

Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.

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