MEDIFAST INC
Ownership
Ownership Structure
Who owns MEDIFAST INC (MED)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 75.5% of the shares are freely tradable; institutional investors hold 85.2%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 8.45 | 944,453 | +3.2 | 03/31/2026 |
| Renaissance Technologies Corp | 6.92 | 773,710 | -0.9 | 03/31/2026 |
| Steamboat Capital Partners, LLC | 6.32 | 706,699 | -0.1 | 06/30/2026 |
| Charles Schwab Investment Management Inc | 5.65 | 631,539 | -18.7 | 03/31/2026 |
| Two Sigma Investments LLC | 4.31 | 481,381 | +42.4 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.98 | 444,467 | +0.0 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 3.25 | 363,394 | +0.5 | 06/30/2026 |
| Morgan Stanley - Brokerage Accounts | 2.91 | 325,312 | -2.9 | 03/31/2026 |
| American Century Companies Inc | 2.85 | 318,911 | +42.2 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Avantis US Small Cap Value ETF | 3.20 | 357,655 | +0.2 | 08/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Kiai Parsa | Director | 20,270 | 243,240 $ | Aug 26, 2026 | indirect |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 26, 2026 | Kiai Parsa | Director | Buy | 1,175 | 12.26 | 14,409 |
| Aug 26, 2026 | Kiai Parsa | Director | Buy | 41,975 | 12.26 | 514,748 |
| Aug 24, 2026 | Kiai Parsa | Director | Buy | 118 | 12.00 | 1,416 |
| Aug 24, 2026 | Kiai Parsa | Director | Buy | 4,211 | 12.00 | 50,530 |
| Aug 20, 2026 | Kiai Parsa | Director | Buy | 1,175 | 11.60 | 13,634 |
| Aug 20, 2026 | Kiai Parsa | Director | Buy | 41,975 | 11.60 | 487,065 |
| Aug 19, 2026 | Kiai Parsa | Director | Buy | 799 | 11.66 | 9,314 |
| Aug 19, 2026 | Kiai Parsa | Director | Buy | 28,538 | 11.66 | 332,685 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.