Institutional Ownership
Medifast Inc
CUSIP 58470H101COMMEDQ1 2026
13D / 13G Filings
33
Schedule 13D/13G on record
Beneficial Filers
10
Distinct reporting persons
Largest Stake
17.2%
Max % of class reported
Institutional Holders
106
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
33 filings · latest Feb 13, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 13, 2026 | G1 Execution Services, LLC | 13G/A | 1.4% | 148.9K | SEC |
| 2 | Feb 12, 2026 | Charles Schwab Investment Management Inc | 13G/A | 7.1% | 776.8K | SEC |
| 3 | Nov 13, 2025 | G1 Execution Services, LLC | 13G/A | 6.0% | 654.9K | SEC |
| 4 | Nov 13, 2025 | Charles Schwab Investment Management Inc | 13G | 5.4% | 595.2K | SEC |
| 5 | Aug 14, 2025 | G1 Execution Services, LLC | 13G | 7.2% | 785.6K | SEC |
| 6 | May 14, 2025 | Renaissance Technologies LLC | 13G/A | 8.1% | 888.9K | SEC |
| 7 | Nov 13, 2024 | Renaissance Technologies LLC | 13G/A | 9.2% | 1.01M | SEC |
| 8 | Jul 10, 2024 | Vanguard Group Inc | 13G/A | 6.6% | 723.3K | SEC |
| 9 | Jul 8, 2024 | Blackrock Inc. | 13G/A | 7.6% | 830.0K | SEC |
| 10 | Jul 1, 2024 | Millennium Management LLC | 13G | 4.3% | 469.2K | SEC |
23 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Medifast Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 944.5K | $9.62M |
| 2 | Renaissance Technologies LLC | 773.7K | $7.88M |
| 3 | Steamboat Capital Partners, LLC | 707.6K | $7.21M |
| 4 | Charles Schwab Investment Management Inc | 631.5K | $6.44M |
| 5 | Dimensional Fund Advisors LP | 361.8K | $3.69M |
| 6 | Two Sigma Investments, LP | 338.2K | $3.45M |
| 7 | Morgan Stanley | 325.3K | $3.31M |
| 8 | Geode Capital Management, LLC | 253.3K | $2.58M |
| 9 | Man Group PLC | 236.2K | $2.41M |
| 10 | American Century Companies Inc | 224.3K | $2.29M |