Medifast, Inc. (MED) ownership: Top institutional holder: BlackRock Fund Advisors ($36.63M). Insider activity: Net Seller (4 buys, 16 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock Fund Advisors | 879959.00 | $36.63M | 2016-12-31 |
| BlackRock, Inc. | 944453.00 | $9.62M | 2026-03-31 |
| RENAISSANCE TECHNOLOGIES LLC | 773710.00 | $7.88M | 2026-03-31 |
| VANGUARD GROUP INC | 711499.00 | $7.60M | 2025-12-31 |
| CITADEL ADVISORS LLC | 712800.00 | $7.26M | 2026-03-31 |
| Steamboat Capital Partners, LLC | 707590.00 | $7.21M | 2026-03-31 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 631539.00 | $6.44M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 444467.00 | $4.53M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-26 | |
| Sell | null | 2026-05-26 | |
| Sell | null | 2026-05-26 | |
| Sell | null | 2026-05-26 | |
| Sell | null | 2026-05-26 | |
| Sell | null | 2026-05-26 | |
| Sell | null | 2026-05-26 | |
| Sell | null | 2026-05-26 |
Back to MED overview · MED earnings · All congressional trades
Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.