MED
MEDIFAST INC
+0.13 (+1.09%)12.09USD32.0K成交股數135M市值–本益比(近四季)0.4股價營收比-27.6%營收年增(近四季)2026-11-09下次財報
內部人交易 SEC Form 4 · 董事、高階主管與持股 10% 以上股東 · 交易後兩個營業日內申報
買賣點與股價近一年
● 公開市場買進 · ● 公開市場賣出 · 空心 = 10b5-1 預設計畫(事先排程,不代表當下看法)。近一年,只畫 P / S 兩種代碼。
統計
| 近 90 天 買進筆數 · 金額 · 人數 | 8 · 1.4M · 1 |
|---|---|
| 近 90 天 賣出筆數 · 金額 · 人數 | 0 · 0.00 · 0 |
| 其中 10b5-1 計畫賣出 | 0 筆 |
| 近 180 天 買進 · 賣出金額 | 1.5M · 0.00 |
| 近 180 天 淨額 | 1.5M |
公開市場買進(P)是內部人自掏腰包,通常比賣出更有資訊含量 —— 賣出的理由很多(繳稅、分散、買房),買進的理由只有一個。
10b5-1 是事先排定的交易計畫,執行時點不反映當下看法。獲配股票(A)、繳稅扣股(F)、選擇權執行(M)是薪酬流程,不是意見。
| 交易日 | 申報日 | 申報人 | 職稱 | 代碼 | 股數 | 價格 | 金額 | 交易後持股 | 原件 |
|---|---|---|---|---|---|---|---|---|---|
| 2026-08-26 | 08-28 | Kiai Parsa | Director | P 公開市場買進 | 42.0K | 12.26 | 515K | 707K | SEC |
| 2026-08-26 | 08-28 | Kiai Parsa | Director | P 公開市場買進 | 1.2K | 12.26 | 14K | 20.3K | SEC |
| 2026-08-24 | 08-26 | Kiai Parsa | Director | P 公開市場買進 | 118 | 12.00 | 1K | 19.1K | SEC |
| 2026-08-24 | 08-26 | Kiai Parsa | Director | P 公開市場買進 | 4.2K | 12.00 | 51K | 666K | SEC |
| 2026-08-20 | 08-21 | Kiai Parsa | Director | P 公開市場買進 | 1.2K | 11.60 | 14K | 19.0K | SEC |
| 2026-08-20 | 08-21 | Kiai Parsa | Director | P 公開市場買進 | 42.0K | 11.60 | 487K | 661K | SEC |
| 2026-08-19 | 08-21 | Kiai Parsa | Director | P 公開市場買進 | 28.5K | 11.66 | 333K | 619K | SEC |
| 2026-08-19 | 08-21 | Kiai Parsa | Director | P 公開市場買進 | 799 | 11.66 | 9K | 17.8K | SEC |
| 2026-05-26 | 05-28 | Rose Jeffrey Matthew | Director | A 獲配股票 | 6.7K | – | – | 18.4K | SEC |
| 2026-05-26 | 05-28 | Kiai Parsa | Director | A 獲配股票 | 11.7K | – | – | 11.7K | SEC |
| 2026-05-26 | 05-28 | Kiai Parsa | Director | A 獲配股票 | 7.6K | – | – | 19.3K | SEC |
| 2026-05-26 | 05-28 | Thomas Andrea B | Director | A 獲配股票 | 11.7K | – | – | 35.7K | SEC |
| 2026-05-26 | 05-28 | Rose Jeffrey Matthew | Director | A 獲配股票 | 11.7K | – | – | 11.7K | SEC |
| 2026-05-26 | 05-28 | Geary Elizabeth A. | Director | A 獲配股票 | 11.7K | – | – | 31.2K | SEC |
| 2026-05-26 | 05-28 | SCHLACKMAN SCOTT | Director | A 獲配股票 | 11.7K | – | – | 42.2K | SEC |
| 2026-05-11 | 05-12 | SCHLACKMAN SCOTT | Director | P 公開市場買進 | 2.5K | 12.53 | 31K | 30.5K | SEC |
| 2026-05-08 | 05-12 | SCHLACKMAN SCOTT | Director | P 公開市場買進 | 2.5K | 12.65 | 32K | 28.0K | SEC |
| 2026-03-25 | 03-27 | Maloney James P. | Chief Financial Officer | A 獲配股票 | 1.0K | – | – | 73.0K | SEC |
| 2026-03-25 | 03-27 | Maloney James P. | Chief Financial Officer | A 獲配股票 | 34.3K | – | – | 72.0K | SEC |
| 2026-03-25 | 03-27 | MacKenzie Jonathan Barrett | VP, Finance & CAO | F 繳稅扣股 | 862 | 9.59 | 8K | 10.0K | SEC |
| 2026-03-25 | 03-27 | Maloney James P. | Chief Financial Officer | F 繳稅扣股 | 3.2K | 9.59 | 31K | 37.7K | SEC |
| 2026-03-25 | 03-27 | Chard Daniel R | Chairman & CEO | A 獲配股票 | 4.8K | – | – | 188K | SEC |
| 2026-03-25 | 03-27 | Chard Daniel R | Chairman & CEO | A 獲配股票 | 37.0K | – | – | 183K | SEC |
| 2026-03-25 | 03-27 | Chard Daniel R | Chairman & CEO | F 繳稅扣股 | 20.1K | 9.59 | 193K | 146K | SEC |
| 2026-03-25 | 03-27 | MacKenzie Jonathan Barrett | VP, Finance & CAO | A 獲配股票 | 10.8K | – | – | 20.8K | SEC |
| 2026-03-20 | 03-27 | Chard Daniel R | Chairman & CEO | P 公開市場買進 | 17.7K | 10.11 | 179K | 17.7K | SEC |
| 2026-03-17 | 03-27 | Maloney James P. | Chief Financial Officer | F 繳稅扣股 | 482 | 10.05 | 5K | 40.9K | SEC |
| 2026-03-17 | 03-27 | Chard Daniel R | Chairman & CEO | F 繳稅扣股 | 2.6K | 10.05 | 27K | 167K | SEC |
| 2026-03-17 | 03-27 | MacKenzie Jonathan Barrett | VP, Finance & CAO | F 繳稅扣股 | 70 | 10.05 | 703.50 | 10.9K | SEC |
| 2026-03-13 | 03-27 | MacKenzie Jonathan Barrett | VP, Finance & CAO | F 繳稅扣股 | 198 | 9.62 | 2K | 10.9K | SEC |
| 2026-03-13 | 03-27 | Maloney James P. | Chief Financial Officer | F 繳稅扣股 | 918 | 9.62 | 9K | 41.4K | SEC |
| 2026-03-13 | 03-27 | Chard Daniel R | Chairman & CEO | F 繳稅扣股 | 7.1K | 9.62 | 68K | 169K | SEC |
| 2025-06-25 | 06-26 | BROWN JEFFREY J | Director | A 獲配股票 | 11.2K | – | – | 29.1K | SEC |
| 2025-06-25 | 06-26 | Hoer Michael A. | Director | A 獲配股票 | 11.2K | – | – | 26.1K | SEC |
| 2025-06-25 | 06-26 | Geary Elizabeth A. | Director | A 獲配股票 | 11.2K | – | – | 19.5K | SEC |
| 2025-06-25 | 06-26 | Thomas Andrea B | Director | A 獲配股票 | 11.2K | – | – | 24.0K | SEC |
| 2025-06-25 | 06-26 | BROWN JEFFREY J | Director | A 獲配股票 | 9.4K | 13.39 | 127K | 38.6K | SEC |
| 2025-06-25 | 06-26 | SCHLACKMAN SCOTT | Director | A 獲配股票 | 11.2K | – | – | 25.5K | SEC |
| 2025-06-13 | 06-17 | Chard Daniel R | Chairman & CEO | P 公開市場買進 | 381 | 13.13 | 5K | 150K | SEC |
| 2025-03-25 | 03-27 | Chard Daniel R | Chairman & CEO | A 獲配股票 | 125K | – | – | 176K | SEC |
| 2025-03-25 | 03-27 | MacKenzie Jonathan Barrett | VP, Finance & CAO | A 獲配股票 | 7.7K | – | – | 11.1K | SEC |
| 2025-03-25 | 03-27 | Maloney James P. | Chief Financial Officer | A 獲配股票 | 24.2K | – | – | 42.3K | SEC |
| 2025-03-17 | 03-18 | MacKenzie Jonathan Barrett | VP, Finance & CAO | F 繳稅扣股 | 99 | 14.35 | 1K | 3.5K | SEC |
| 2025-03-17 | 03-18 | Maloney James P. | Chief Financial Officer | F 繳稅扣股 | 438 | 14.35 | 6K | 18.1K | SEC |
| 2025-03-17 | 03-18 | Chard Daniel R | Chairman & CEO | F 繳稅扣股 | 1.9K | 14.35 | 27K | 51.3K | SEC |
| 2025-03-16 | 03-18 | MacKenzie Jonathan Barrett | VP, Finance & CAO | F 繳稅扣股 | 60 | 13.94 | 836.40 | 3.6K | SEC |
| 2025-03-16 | 03-18 | Maloney James P. | Chief Financial Officer | F 繳稅扣股 | 123 | 13.94 | 2K | 18.6K | SEC |
| 2025-03-16 | 03-18 | Chard Daniel R | Chairman & CEO | F 繳稅扣股 | 944 | 13.94 | 13K | 53.2K | SEC |
| 2025-03-13 | 03-18 | MacKenzie Jonathan Barrett | VP, Finance & CAO | F 繳稅扣股 | 280 | 13.87 | 4K | 3.6K | SEC |
| 2025-03-13 | 03-18 | Chard Daniel R | Chairman & CEO | F 繳稅扣股 | 5.0K | 13.87 | 69K | 54.1K | SEC |
| 2025-03-13 | 03-18 | Maloney James P. | Chief Financial Officer | F 繳稅扣股 | 835 | 13.87 | 12K | 18.7K | SEC |
| 2024-12-03 | 02-11 | Chard Daniel R | Chairman & CEO | G 贈與 | 149K | – | – | 149K | SEC |
| 2024-12-03 | 02-11 | Chard Daniel R | Chairman & CEO | G 贈與 | 149K | – | – | 0 | SEC |
| 2024-09-13 | 09-17 | MacKenzie Jonathan Barrett | VP, Finance & CAO | F 繳稅扣股 | 11 | 18.90 | 207.90 | 3.9K | SEC |
| 2024-06-20 | 06-24 | Thomas Andrea B | Director | A 獲配股票 | 6.6K | – | – | 12.8K | SEC |
| 2024-06-20 | 06-24 | Geary Elizabeth A. | Director | A 獲配股票 | 6.6K | – | – | 8.4K | SEC |
| 2024-06-20 | 06-24 | Hoer Michael A. | Director | A 獲配股票 | 6.6K | – | – | 15.0K | SEC |
| 2024-06-20 | 06-24 | SCHLACKMAN SCOTT | Director | A 獲配股票 | 6.6K | – | – | 14.4K | SEC |
| 2024-06-20 | 06-24 | BROWN JEFFREY J | Director | A 獲配股票 | 6.6K | – | – | 12.4K | SEC |
| 2024-06-20 | 06-24 | BROWN JEFFREY J | Director | A 獲配股票 | 5.6K | 22.66 | 126K | 18.0K | SEC |
| 2024-06-07 | 02-11 | Chard Daniel R | Chairman & CEO | G 贈與 | 40.7K | – | – | 149K | SEC |
| 2024-06-07 | 02-11 | Chard Daniel R | Chairman & CEO | G 贈與 | 40.7K | – | – | 59.1K | SEC |
| 2024-04-26 | 02-11 | Chard Daniel R | Chairman & CEO | G 贈與 | 109K | – | – | 109K | SEC |
| 2024-04-26 | 02-11 | Chard Daniel R | Chairman & CEO | G 贈與 | 109K | – | – | 0 | SEC |
| 2024-03-15 | 03-19 | Chard Daniel R | Chairman & CEO | F 繳稅扣股 | 608 | 36.61 | 22K | 103K | SEC |
| 2024-03-15 | 03-19 | Maloney James P. | Chief Financial Officer | F 繳稅扣股 | 424 | 36.61 | 16K | 19.5K | SEC |
| 2024-03-15 | 03-19 | Chard Daniel R | Chairman & CEO | F 繳稅扣股 | 1.9K | 36.61 | 68K | 99.8K | SEC |
| 2024-03-15 | 03-19 | Chard Daniel R | Chairman & CEO | F 繳稅扣股 | 942 | 36.61 | 34K | 102K | SEC |
| 2024-03-15 | 03-19 | Maloney James P. | Chief Financial Officer | F 繳稅扣股 | 119 | 36.61 | 4K | 20.0K | SEC |
| 2024-03-15 | 03-19 | Maloney James P. | Chief Financial Officer | F 繳稅扣股 | 73 | 36.61 | 3K | 20.1K | SEC |
| 2024-03-15 | 03-19 | MacKenzie Jonathan Barrett | VP, Finance & CAO | F 繳稅扣股 | 83 | 36.61 | 3K | 3.9K | SEC |
| 2024-03-15 | 03-19 | MacKenzie Jonathan Barrett | VP, Finance & CAO | F 繳稅扣股 | 51 | 36.61 | 2K | 4.0K | SEC |
| 2024-03-13 | 03-15 | Maloney James P. | Chief Financial Officer | A 獲配股票 | 8.7K | – | – | 20.1K | SEC |
| 2024-03-13 | 03-15 | MacKenzie Jonathan Barrett | VP, Finance & CAO | A 獲配股票 | 2.6K | – | – | 4.1K | SEC |
| 2024-03-13 | 03-15 | Chard Daniel R | Chairman & CEO | A 獲配股票 | 45.1K | – | – | 103K | SEC |
| 2024-03-08 | 03-12 | SCHLACKMAN SCOTT | Director | M 選擇權執行 | 1.3K | 27.68 | 36K | 11.8K | SEC |
| 2024-03-08 | 03-12 | SCHLACKMAN SCOTT | Director | S 公開市場賣出 | 2.8K | 39.46 | 109K | 7.8K | SEC |
| 2024-03-08 | 03-12 | SCHLACKMAN SCOTT | Director | S 公開市場賣出 | 1.3K | 39.41 | 51K | 10.5K | SEC |
| 2024-02-14 | 02-16 | Maloney James P. | Chief Financial Officer | F 繳稅扣股 | 648 | 52.68 | 34K | 11.4K | SEC |
| 2024-02-14 | 02-16 | Maloney James P. | Chief Financial Officer | A 獲配股票 | 2.3K | – | – | 12.1K | SEC |
機構持股(13F) 管理規模 1 億美元以上的機構,每季末後 45 天內申報 · 最新 2026-06-30
前 25 大持有機構季末市值 · 與前一季股數比較
| 機構 | 持股 | 季末市值 | 股數季變化 | 動作 |
|---|---|---|---|---|
| 文藝復興 RENAISSANCE TECHNOLOGIES LLC | 779K | 8.3M | 新進 | 新進 |
| Steamboat Capital Partners, LLC | 707K | 7.5M | 新進 | 新進 |
| Two Sigma TWO SIGMA INVESTMENTS, LP | 481K | 5.1M | 新進 | 新進 |
| VANGUARD CAPITAL MANAGEMENT LLC | 447K | 4.7M | 新進 | 新進 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 397K | 4.2M | 新進 | 新進 |
| BlackRock, Inc. | 370K | 3.9M | 新進 | 新進 |
| DIMENSIONAL FUND ADVISORS LP | 363K | 3.9M | 新進 | 新進 |
| AMERICAN CENTURY COMPANIES INC | 319K | 3.4M | 新進 | 新進 |
| MORGAN STANLEY | 293K | 3.1M | 新進 | 新進 |
| GOLDMAN SACHS GROUP INC | 243K | 2.6M | 新進 | 新進 |
| MARSHALL WACE, LLP | 242K | 2.6M | 新進 | 新進 |
| AQR CAPITAL MANAGEMENT LLC | 236K | 2.5M | 新進 | 新進 |
| Peapod Lane Capital LLC | 223K | 2.4M | 新進 | 新進 |
| Lido Advisors, LLC | 220K | 2.3M | 新進 | 新進 |
| Trexquant Investment LP | 213K | 2.3M | 新進 | 新進 |
| JANE STREET GROUP, LLC | 165K | 1.7M | 新進 | 新進 |
| COMMONS CAPITAL, LLC | 150K | 1.6M | 新進 | 新進 |
| Quinn Opportunity Partners LLC | 127K | 1.3M | 新進 | 新進 |
| GEODE CAPITAL MANAGEMENT, LLC | 121K | 1.3M | 新進 | 新進 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 117K | 1.2M | 新進 | 新進 |
| RBF Capital, LLC | 109K | 1.2M | 新進 | 新進 |
| JPMORGAN CHASE & CO | 92.5K | 990K | 新進 | 新進 |
| 德劭 D. E. Shaw & Co., Inc. | 92.3K | 980K | 新進 | 新進 |
| BANK OF AMERICA CORP /DE/ | 87.1K | 924K | 新進 | 新進 |
| Quantinno Capital Management LP | 83.0K | 881K | 新進 | 新進 |
持有機構數近 12 季
每季 13F 申報中持有本股的機構家數;綠柱 = 比上季少。機構數是「有多少人在船上」,不是「買了多少」。
| 持有機構 · 季變化 | 114 +1 |
|---|---|
| 新進 / 出清 / 加碼 / 減碼 | 114 / 0 / 0 / 0 |
| 機構合計持股 · 佔流通股 | 8.3M · 73.9% |
| 合計季末市值 | 86.9M |
13F 只申報多頭部位(含可轉債與選擇權,選擇權這裡已排除),不申報放空,也不申報 1 億美元以下的機構。同一集團多個申報主體會各算一家。
放空餘額 FINRA 每月兩次(15 日與月底結算)· 最新 2026-08-31
空單佔流通股近 13 個月
FINRA 每月兩次結算的空單餘額佔流通股數的比例,近 13 個月。滑到柱子看股數與回補天數。
最新一期
| 空單股數 | 1.9M |
|---|---|
| 與上期比 | +3.2% |
| 佔流通股數 | 16.84% |
| 日均成交量 | 125K |
| 回補天數 | 15.1 天 |
空單佔比 10% 以上算高、20% 以上算很高(這是通行的說法,不是本站的判斷)。回補天數 = 空單 ÷ 日均量,天數愈長,空方要出場時愈容易推升股價。
放空餘額是「有人借股票賣掉還沒還」的存量,不代表看空的人正在加碼;避險基金做多空配對時也會產生空單。
| 結算日 | 空單股數 | 與上期比 | 佔流通股 | 日均量 | 回補天數 |
|---|---|---|---|---|---|
| 2026-08-31 | 1.9M | +3.2% | 16.84% | 125K | 15.1 |
| 2026-08-14 | 1.8M | +22.9% | 16.32% | 246K | 7.4 |
| 2026-07-31 | 1.5M | -9.5% | 13.28% | 162K | 9.2 |
| 2026-07-15 | 1.6M | +5.0% | 14.66% | 174K | 9.4 |
| 2026-06-30 | 1.6M | -27.6% | 13.97% | 423K | 3.7 |
| 2026-06-15 | 2.2M | -0.9% | 19.28% | 141K | 15.3 |
| 2026-05-29 | 2.2M | -0.5% | 19.46% | 214K | 10.2 |
| 2026-05-15 | 2.2M | +7.6% | 19.56% | 234K | 9.3 |
| 2026-04-30 | 2.0M | -6.1% | 18.17% | 154K | 13.2 |
| 2026-04-15 | 2.2M | +5.3% | 19.36% | 233K | 9.3 |
| 2026-03-31 | 2.1M | +0.9% | 18.39% | 300K | 6.9 |
| 2026-03-13 | 2.0M | +0.7% | 18.22% | 273K | 7.5 |
| 2026-02-27 | 2.0M | -2.9% | 18.08% | 326K | 6.2 |
| 2026-02-13 | 2.1M | +3.7% | 18.61% | 211K | 9.8 |
| 2026-01-30 | 2.0M | -7.1% | 17.95% | 206K | 9.8 |
| 2026-01-15 | 2.2M | +9.5% | 19.32% | 259K | 8.4 |
| 2025-12-31 | 2.0M | -1.1% | 17.65% | 309K | 6.4 |
| 2025-12-15 | 2.0M | +7.5% | 17.83% | 277K | 7.2 |
| 2025-11-28 | 1.9M | -10.0% | 16.59% | 220K | 8.5 |
| 2025-11-14 | 2.1M | +1.0% | 18.43% | 181K | 11.4 |
| 2025-10-31 | 2.0M | -2.1% | 18.25% | 174K | 11.8 |
| 2025-10-15 | 2.1M | -0.3% | 18.65% | 123K | 17.0 |
| 2025-09-30 | 2.1M | -10.6% | 18.70% | 164K | 12.7 |
| 2025-09-15 | 2.3M | +13.2% | 20.92% | 127K | 18.4 |
| 2025-08-29 | 2.1M | +1.5% | 18.48% | 187K | 11.1 |
| 2025-08-15 | 2.0M | -11.1% | 18.21% | 209K | 9.8 |