As of November 6, 2026, Medifast Inc. is a publicly traded company (NYSE: MED). The largest holder reporting an active stake on Schedule 13D is Steamboat Capital Partners, LLC, at 7.1%. No bankruptcy or receivership appears in its SEC Form 8-K filings. Passive holders reporting on Schedule 13G include Renaissance Technologies (6.96%), Citadel Securities GP LLC (6.5%), Susquehanna Portfolio Strategies, LLC (5.3%) (Schedule 13D/A, August 21, 2026).
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Is Medifast Inc. a real, registered company?
- Medifast Inc files with the SEC under CIK 910329 (its SEC filings).
- Its shares are listed under the ticker MED on NYSE (SEC company record).
- Incorporated in Delaware; business address in Baltimore, Maryland, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under MEDIFAST INC in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is Jason L. Groves, Chief Legal Officer (Form 8-K filed 2026-06-01). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Steamboat Capital Partners, LLC (filed 2026-08-21).
Who are Medifast Inc.'s owners and officers?
Medifast Inc.: incorporated in Delaware; business address in Baltimore, Maryland; industry Miscellaneous Food Preparations & Kindred Products (Schedule 13D/A, 2026-08-21).
| Report | Holder | Share |
|---|---|---|
| Schedule 13D/A, 2026-08-21 | Steamboat Capital Partners, LLC | 7.1% |
| Schedule 13G, 2026-08-14 | Susquehanna Portfolio Strategies, LLC | 5.3% |
| Schedule 13G/A, 2026-08-14 | Kenneth Griffin | 2.6% |
| Schedule 13G/A, 2026-08-12 | Charles Schwab Investment Management Inc | 3.6% |
| Schedule 13G/A, 2026-07-29 | Blackrock, Inc. | 2.9% |
| Schedule 13G, 2026-05-15 | Citadel Securities Gp LLC | 6.5% |
| Schedule 13G/A, 2026-05-14 | Charles Schwab Investment Management Inc | 5.74% |
| Schedule 13G/A, 2026-05-14 | Renaissance Technologies LLC | 6.96% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
| Schedule 13D, 2026-03-20 | Steamboat Capital Partners, LLC | 6% |
| Schedule 13G/A, 2026-02-13 | G1 Execution Services, LLC | 1.4% |
| Schedule 13G/A, 2026-02-12 | Charles Schwab Investment Management Inc | 7.06% |
Questions about who owns Medifast Inc.
Who owns Medifast Inc.?
On this page, 4 holders' latest ownership filings report 5% or more of Medifast Inc.: Steamboat Capital Partners, LLC (7.1%, Schedule 13D/A, filed 2026-08-21), Renaissance Technologies LLC (6.96%, Schedule 13G/A, filed 2026-05-14), Citadel Securities Gp LLC (6.5%, Schedule 13G, filed 2026-05-15) and Susquehanna Portfolio Strategies, LLC (5.3%, Schedule 13G, filed 2026-08-14).
Who are the largest shareholders of Medifast Inc.?
By the share each holder's latest filing reports, the largest holders of Medifast Inc. on this page are Steamboat Capital Partners, LLC (7.1%), Renaissance Technologies LLC (6.96%) and Citadel Securities Gp LLC (6.5%).
When did Steamboat Capital Partners, LLC buy into Medifast Inc.?
The filings give report dates, not purchase dates. The earliest filing from Steamboat Capital Partners, LLC on this page is the Schedule 13D, filed 2026-03-20, reporting 6%; its latest, Schedule 13D/A filed 2026-08-21, reports 7.1%.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 12 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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What They Do, And How The Money Works
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The Money: Funding, Valuation, Runway
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-06-01 | Jason L. Groves | Chief Legal Officer | departed | 2026-05-29 |
Which insiders own Medifast Inc. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , a director: 336,520.35 shares (3.0% of shares outstanding), 188,233 held directly and 148,287.35 indirectly (Form 4, 2026-09-30).
- , the chief financial officer: 73,033 shares (0.65% of shares outstanding) (Form 4, 2026-03-27).
- , a director: 42,810.62 shares (0.38% of shares outstanding), 38,577.65 held directly and 4,232.97 indirectly (Form 4, 2025-06-26).
- , a director: 42,228.71 shares (0.38% of shares outstanding) (Form 4, 2026-05-28).
- , a director: 35,697.12 shares (0.32% of shares outstanding) (Form 4, 2026-05-28).
Shares outstanding: 11,182,597 as of 2026-10-19, from the company's latest SEC cover page.
How much has Medifast Inc. raised?
No fundraising or offering filing from Medifast Inc. is on file with us.
Keep reading
More on Medifast Inc. and the records around it.
Medifast Inc. elsewhere on the record
- 5%+ stake filings Aug 2026
- Leadership changes Jun 2026
Companies that share a holder
- CHARLES SCHWAB INVESTMENT MANAGEMENT INC also filed stake reports on 12 other companies: HAIN CELESTIAL GROUP INC (Aug 2026), Service Properties Trust (Aug 2026), TrueBlue, Inc. (Aug 2026)
- Citadel Securities GP LLC also filed stake reports on 24 other companies: CIPHER DIGITAL INC. (Oct 2026), First Solar, Inc. (Oct 2026), AmpliTech Group, Inc. (Oct 2026)
- G1 Execution Services, LLC also filed stake reports on 45 other companies: AmpliTech Group, Inc. (Aug 2026), Bitdeer Technologies Group (Aug 2026), Compass Diversified Holdings (Aug 2026)
Related pages
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