Medifast, Inc.
Medifast, Inc. (MED) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · MED · as of Mar 31, 2025
Ownership Breakdown
139
Institutional Holders
▼ 2 vs Q4
$111.34M
Total Inst. Value
▼ $45.86M vs Q4
11.12M
Shares Outstanding
freeFloat 68.92%
8.26M
13F Shares Held
▼ 667,234 vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
MED largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. miscellaneous food preparations & kindred products | 950.1K | 8.68% | 8.68% | $12.81B | May 2, 2025 | ▲ 30.7K |
RENAISSANCE TECHNOLOGIES LLC miscellaneous food preparations & kindred products | 888.9K | 8.12% | 8.12% | $11.98B | May 14, 2025 | ▼ 14.8K |
VANGUARD GROUP INC miscellaneous food preparations & kindred products | 773.6K | 7.07% | 7.07% | $10.43B | May 9, 2025 | ▲ 15.9K |
ACADIAN ASSET MANAGEMENT LLC miscellaneous food preparations & kindred products | 385.7K | 3.52% | 3.52% | $5.19B | May 21, 2025 | ▲ 113.1K |
D. E. SHAW & CO., INC. miscellaneous food preparations & kindred products | 333.4K | 3.05% | 3.05% | $4.49B | May 15, 2025 | ▲ 44.7K |
MORGAN STANLEY miscellaneous food preparations & kindred products | 293.6K | 2.68% | 2.68% | $3.96B | May 15, 2025 | ▲ 7.6K |
BANK OF AMERICA CORP /DE/ miscellaneous food preparations & kindred products | 288.5K | 2.64% | 2.64% | $3.89B | May 15, 2025 | ▲ 12.4K |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC miscellaneous food preparations & kindred products | 265.6K | 2.43% | 2.43% | $3.58B | Sep 15, 2025 | ▲ 151.4K |
GEODE CAPITAL MANAGEMENT, LLC miscellaneous food preparations & kindred products | 256.5K | 2.34% | 2.34% | $3.46B | May 13, 2025 | ▲ 10.6K |
AMERICAN CENTURY COMPANIES INC miscellaneous food preparations & kindred products | 224.9K | 2.05% | 2.05% | $3.03B | May 13, 2025 | ▼ 19.2K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
23
Increased
+718.3K shares4
New Positions
first time holders19
Decreased
−581.2K shares0
Sold Out
fully exitedNet shares change (top 50)
+137.1K
+718.3K / −581.2K
Net new holders
+8
4 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
MED insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
10
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Rose Jeffrey Matthew director | May 26, 2026 | Award | 6,739 | — | — | 18.4K | Form 4 ↗ |
Rose Jeffrey Matthew director | May 26, 2026 | Award | 11,680 | — | — | 11.7K | Form 4 ↗ |
Kiai Parsa director | May 26, 2026 | Award | 7,637 | — | — | 19.3K | Form 4 ↗ |
Kiai Parsa director | May 26, 2026 | Award | 11,680 | — | — | 11.7K | Form 4 ↗ |
Thomas Andrea B director | May 26, 2026 | Award | 11,680 | — | — | 35.7K | Form 4 ↗ |
SCHLACKMAN SCOTT director | May 26, 2026 | Award | 11,680 | — | — | 42.2K | Form 4 ↗ |
Geary Elizabeth A. director | May 26, 2026 | Award | 11,680 | — | — | 31.2K | Form 4 ↗ |
Xian Ming director | May 26, 2026 | Award | 11,680 | — | — | 43.8K | Form 4 ↗ |
SCHLACKMAN SCOTT director | May 11, 2026 | Purchase | 2,500 | $12.53 | $31.3K | 30.5K | Form 4 ↗ |
SCHLACKMAN SCOTT director | May 8, 2026 | Purchase | 2,500 | $12.65 | $31.6K | 28.0K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Medifast, Inc. (MED) is primarily owned by institutional investors, who hold approximately 74.3% of total shares outstanding. Company insiders own approximately 31.08%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Medifast, Inc. is BLACKROCK, INC., holding approximately 950,053 shares — equal to 8.68% of outstanding shares — as of March 31, 2025.
A total of 139 institutional investors currently hold MED stock, with a combined institutional value of approximately $111,338,865 as of the most recent 13F filing period.
Frequently asked questions
MED ownershipMedifast, Inc. (MED) is primarily owned by institutional investors, who hold approximately 74.3% of shares. The largest shareholder is BLACKROCK, INC. with a 8.68% stake. Company insiders hold 31.08%. Data sourced from SEC Form 13F as of March 31, 2025.