TUSK
MAMMOTH ENERGY SERVICES, INC.
+0.17 (+5.63%)3.19USD26.1K成交股數154M市值106.3本益比(近四季)2.2股價營收比+110.9%營收年增(近四季)2026-10-30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 | 0 · 0 · 0 |
|---|---|
| 近 90 天 賣出筆數 · 金額 · 人數 | 0 · 0 · 0 |
| 其中 10b5-1 計畫賣出 | 0 筆 |
| 近 180 天 買進 · 賣出金額 | 41.8M · 0 |
| 近 180 天 淨額 | 41.8M |
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 |
|---|---|---|---|---|---|---|---|---|---|
| 2026-06-26 | 07-01 | Lancaster Phillip | Director | J 其他 | 68.2K | – | – | 159K | SEC |
| 2026-06-17 | 06-22 | DAVIDSON CHARLES E | TenPercentOwner | J 其他 | 4.1M | – | – | 4.1M | SEC |
| 2026-06-17 | 06-22 | DAVIDSON CHARLES E | Chief Business Officer | P 公開市場買進 | 4.0M | 2.60 | 10.5M | 10.6M | SEC |
| 2026-06-17 | 06-22 | CD Holding Company, LLC | TenPercentOwner | J 其他 | 2.4M | – | – | 2.4M | SEC |
| 2026-06-17 | 06-22 | DAVIDSON CHARLES E | Chief Business Officer | J 其他 | 1.1M | – | – | 1.5M | SEC |
| 2026-06-17 | 06-22 | JACOBS JOSEPH | Chief Business Officer | P 公開市場買進 | 4.0M | 2.60 | 10.5M | 10.6M | SEC |
| 2026-06-17 | 06-22 | DAVIDSON CHARLES E | TenPercentOwner | J 其他 | 2.4M | – | – | 2.4M | SEC |
| 2026-06-17 | 06-22 | WEXFORD CAPITAL LP | Chief Business Officer | J 其他 | 1.1M | – | – | 1.5M | SEC |
| 2026-06-17 | 06-22 | WEXFORD CAPITAL LP | Chief Business Officer | J 其他 | 6.4M | – | – | 6.6M | SEC |
| 2026-06-17 | 06-22 | Jacobi Paul M. | Chief Business Officer | J 其他 | 3.2K | – | – | 31.1K | SEC |
| 2026-06-17 | 06-22 | JACOBS JOSEPH | Chief Business Officer | J 其他 | 1.1M | – | – | 1.5M | SEC |
| 2026-06-17 | 06-22 | JACOBS JOSEPH | Chief Business Officer | J 其他 | 6.4M | – | – | 6.6M | SEC |
| 2026-06-17 | 06-22 | DAVIDSON CHARLES E | Chief Business Officer | J 其他 | 6.4M | – | – | 6.6M | SEC |
| 2026-06-17 | 06-22 | Wexford GP LLC | Chief Business Officer | J 其他 | 1.1M | – | – | 1.5M | SEC |
| 2026-06-17 | 06-22 | Wexford GP LLC | Chief Business Officer | J 其他 | 6.4M | – | – | 6.6M | SEC |
| 2026-06-17 | 06-22 | Wexford GP LLC | Chief Business Officer | P 公開市場買進 | 4.0M | 2.60 | 10.5M | 10.6M | SEC |
| 2026-06-17 | 06-22 | Amron Arthur H | Director | J 其他 | 19.1K | – | – | 86.3K | SEC |
| 2026-06-17 | 06-22 | Amron Arthur H | Director | J 其他 | 10.3K | – | – | 10.3K | SEC |
| 2026-06-17 | 06-22 | Amron Holdings LLC | Director | J 其他 | 19.1K | – | – | 86.3K | SEC |
| 2026-06-17 | 06-22 | Amron Holdings LLC | Director | J 其他 | 10.3K | – | – | 10.3K | SEC |
| 2026-06-17 | 06-22 | WEXFORD CAPITAL LP | Chief Business Officer | P 公開市場買進 | 4.0M | 2.60 | 10.5M | 10.6M | SEC |
| 2026-06-17 | 06-22 | CD Holding Company, LLC | TenPercentOwner | J 其他 | 4.1M | – | – | 4.1M | SEC |
| 2026-06-12 | 06-15 | Amron Arthur H | Director | P 公開市場買進 | 2.0K | 3.28 | 7K | 67.1K | SEC |
| 2026-06-11 | 06-15 | Amron Arthur H | Director | P 公開市場買進 | 2.5K | 3.22 | 8K | 65.1K | SEC |
| 2026-05-28 | 05-28 | Amron Arthur H | Director | P 公開市場買進 | 3.0K | 3.25 | 10K | 62.6K | SEC |
| 2026-05-26 | 05-28 | Amron Arthur H | Director | P 公開市場買進 | 2.5K | 3.24 | 8K | 59.6K | SEC |
| 2025-12-11 | 12-15 | Amron Arthur H | Director | P 公開市場買進 | 10.0K | 1.89 | 19K | 57.1K | SEC |
| 2025-05-22 | 05-27 | SMITH ARTHUR L | Director | S 公開市場賣出 | 20.0K | 2.51 | 50K | 130K | SEC |
| 2025-05-20 | 05-21 | SMITH ARTHUR L | Director | S 公開市場賣出 | 50.0K | 2.51 | 125K | 150K | SEC |
| 2025-05-19 | 05-21 | SMITH ARTHUR L | Director | S 公開市場賣出 | 15.0K | 2.49 | 37K | 200K | SEC |
| 2024-12-12 | 12-16 | Amron Arthur H | Director | P 公開市場買進 | 1.0K | 2.97 | 3K | 47.1K | SEC |
| 2024-11-25 | 11-26 | Booker Corey J. | Director | S 公開市場賣出 | 15.0K | 3.47 | 52K | 125K | SEC |
| 2024-11-22 | 11-26 | Booker Corey J. | Director | S 公開市場賣出 | 10.0K | 3.43 | 34K | 140K | SEC |
| 2024-11-21 | 11-22 | Booker Corey J. | Director | S 公開市場賣出 | 6.7K | 3.25 | 22K | 150K | SEC |
| 2024-11-20 | 11-22 | Booker Corey J. | Director | S 公開市場賣出 | 5.0K | 3.21 | 16K | 157K | SEC |
| 2024-11-14 | 11-15 | Booker Corey J. | Director | S 公開市場賣出 | 3.6K | 3.50 | 13K | 162K | SEC |
| 2024-11-13 | 11-15 | Booker Corey J. | Director | S 公開市場賣出 | 7.1K | 3.68 | 26K | 166K | SEC |
| 2024-11-11 | 11-12 | Booker Corey J. | Director | S 公開市場賣出 | 3.5K | 3.61 | 13K | 173K | SEC |
| 2024-11-08 | 11-12 | Booker Corey J. | Director | S 公開市場賣出 | 24 | 3.76 | 90.24 | 176K | SEC |
| 2024-11-07 | 11-12 | Booker Corey J. | Director | S 公開市場賣出 | 165 | 3.90 | 643.50 | 176K | SEC |
| 2024-06-12 | 06-14 | SMITH ARTHUR L | Director | A 獲配股票 | 27.9K | – | – | 215K | SEC |
| 2024-06-12 | 06-14 | Booker Corey J. | Director | A 獲配股票 | 27.9K | – | – | 177K | SEC |
| 2024-06-12 | 06-14 | Jacobi Paul M. | Director | A 獲配股票 | 27.9K | – | – | 27.9K | SEC |
| 2024-06-12 | 06-14 | Amron Arthur H | Director | A 獲配股票 | 27.9K | – | – | 46.1K | SEC |
| 2024-06-12 | 06-14 | Palm James D | Director | A 獲配股票 | 27.9K | – | – | 240K | SEC |
| 2024-05-30 | 05-30 | Amron Arthur H | Director | P 公開市場買進 | 3.0K | 3.65 | 11K | 18.3K | SEC |
| 2024-05-28 | 05-30 | Amron Arthur H | Director | P 公開市場買進 | 2.0K | 3.57 | 7K | 15.3K | SEC |
| 2024-03-12 | 03-14 | WEXFORD CAPITAL LP | Director,TenPercentOwner | J 其他 | 535K | – | – | 21.7M | SEC |
| 2024-03-12 | 03-14 | Amron Arthur H | Director | P 公開市場買進 | 3.0K | 3.72 | 11K | 13.3K | SEC |
| 2024-03-12 | 03-14 | DAVIDSON CHARLES E | Director,TenPercentOwner | J 其他 | 535K | – | – | 21.7M | SEC |
| 2024-03-12 | 03-14 | Wexford GP LLC | Director,TenPercentOwner | J 其他 | 535K | – | – | 21.7M | SEC |
| 2024-03-12 | 03-14 | JACOBS JOSEPH | Director,TenPercentOwner | J 其他 | 535K | – | – | 21.7M | SEC |
| 2023-12-19 | 12-19 | Straehla Arty | Chief Executive Officer | S 公開市場賣出 | 40.0K | 4.35 | 174K | 1.0M | SEC |
| 2023-12-18 | 12-19 | Straehla Arty | Chief Executive Officer | S 公開市場賣出 | 30.0K | 4.38 | 131K | 1.1M | SEC |
| 2023-12-15 | 12-15 | Straehla Arty | Chief Executive Officer | S 公開市場賣出 | 40.0K | 4.36 | 174K | 1.1M | SEC |
| 2023-12-14 | 12-15 | Straehla Arty | Chief Executive Officer | S 公開市場賣出 | 55.0K | 4.44 | 244K | 1.1M | SEC |
| 2023-12-13 | 12-15 | Straehla Arty | Chief Executive Officer | S 公開市場賣出 | 25.0K | 4.39 | 110K | 1.2M | SEC |
| 2023-06-07 | 06-08 | Jacobi Paul M. | Director | A 獲配股票 | 23.8K | – | – | 23.8K | SEC |
| 2023-06-07 | 06-08 | Booker Corey J. | Director | A 獲配股票 | 23.8K | – | – | 149K | SEC |
| 2023-06-07 | 06-08 | Palm James D | Director | A 獲配股票 | 23.8K | – | – | 212K | SEC |
| 2023-06-07 | 06-08 | SMITH ARTHUR L | Director | A 獲配股票 | 23.8K | – | – | 187K | SEC |
| 2023-06-07 | 06-08 | Amron Arthur H | Director | A 獲配股票 | 23.8K | – | – | 23.8K | SEC |
| 2023-03-03 | 03-07 | Layton Mark E. | CFO and Secretary | F 繳稅扣股 | 36.4K | 5.55 | 202K | 419K | SEC |
| 2023-03-03 | 03-07 | Straehla Arty | Chief Executive Officer | F 繳稅扣股 | 129K | 5.55 | 717K | 1.2M | SEC |
| 2022-11-11 | 11-14 | SMITH ARTHUR L | Director | S 公開市場賣出 | 20.0K | 7.07 | 141K | 163K | SEC |
| 2022-06-29 | 06-30 | Booker Corey J. | Director | A 獲配股票 | 45.7K | – | – | 125K | SEC |
| 2022-06-29 | 06-30 | Amron Arthur H | Director | A 獲配股票 | 45.7K | – | – | 45.7K | SEC |
| 2022-06-29 | 06-30 | SMITH ARTHUR L | Director | A 獲配股票 | 45.7K | – | – | 183K | SEC |
| 2022-06-29 | 06-30 | Palm James D | Director | A 獲配股票 | 45.7K | – | – | 188K | SEC |
| 2022-06-29 | 06-30 | Jacobi Paul M. | Director | A 獲配股票 | 45.7K | – | – | 45.7K | SEC |
| 2022-06-17 | 06-21 | DAVIDSON CHARLES E | Director,TenPercentOwner | P 公開市場買進 | 10.4K | 2.17 | 23K | 22.4M | SEC |
| 2022-06-17 | 06-21 | JACOBS JOSEPH | Director,TenPercentOwner | P 公開市場買進 | 10.4K | 2.17 | 23K | 22.4M | SEC |
| 2022-06-17 | 06-21 | WEXFORD CAPITAL LP | Director,TenPercentOwner | P 公開市場買進 | 10.4K | 2.17 | 23K | 22.4M | SEC |
| 2022-06-17 | 06-21 | Wexford GP LLC | Director,TenPercentOwner | P 公開市場買進 | 10.4K | 2.17 | 23K | 22.4M | SEC |
| 2022-06-16 | 06-21 | DAVIDSON CHARLES E | Director,TenPercentOwner | P 公開市場買進 | 35.0K | 2.13 | 75K | 22.4M | SEC |
| 2022-06-16 | 06-21 | Wexford GP LLC | Director,TenPercentOwner | P 公開市場買進 | 35.0K | 2.13 | 75K | 22.4M | SEC |
| 2022-06-16 | 06-21 | JACOBS JOSEPH | Director,TenPercentOwner | P 公開市場買進 | 35.0K | 2.13 | 75K | 22.4M | SEC |
| 2022-06-16 | 06-21 | WEXFORD CAPITAL LP | Director,TenPercentOwner | P 公開市場買進 | 35.0K | 2.13 | 75K | 22.4M | SEC |
| 2022-06-15 | 06-15 | DAVIDSON CHARLES E | Director,TenPercentOwner | P 公開市場買進 | 5.1K | 2.23 | 11K | 22.4M | SEC |
| 2022-06-15 | 06-15 | WEXFORD CAPITAL LP | Director,TenPercentOwner | P 公開市場買進 | 5.1K | 2.23 | 11K | 22.4M | 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 |
|---|---|---|---|---|
| WEXFORD CAPITAL LP | 12.1M | 39.2M | −10.0M (-45%) | 減碼 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 4.6M | 14.9M | 不變 | 持平 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.1M | 3.4M | +240K (+29%) | 加碼 |
| Peapod Lane Capital LLC | 808K | 2.6M | +208K (+35%) | 加碼 |
| DIMENSIONAL FUND ADVISORS LP | 692K | 2.2M | +5.5K (+1%) | 加碼 |
| JANE STREET GROUP, LLC | 507K | 1.6M | +484K (+2117%) | 加碼 |
| 城堡 CITADEL ADVISORS LLC | 452K | 1.5M | +121K (+36%) | 加碼 |
| BlackRock, Inc. | 408K | 1.3M | −1.0M (-72%) | 減碼 |
| MARSHALL WACE, LLP | 396K | 1.3M | 新進 | 新進 |
| Johns Hopkins University | 387K | 1.3M | 新進 | 新進 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 332K | 1.1M | 不變 | 持平 |
| Russell Investments Group, Ltd. | 330K | 1.1M | +262K (+385%) | 加碼 |
| GEODE CAPITAL MANAGEMENT, LLC | 306K | 996K | −305K (-50%) | 減碼 |
| 文藝復興 RENAISSANCE TECHNOLOGIES LLC | 292K | 950K | +60.3K (+26%) | 加碼 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 290K | 943K | 新進 | 新進 |
| Empowered Funds, LLC | 241K | 784K | 不變 | 持平 |
| AQR CAPITAL MANAGEMENT LLC | 178K | 578K | +111K (+166%) | 加碼 |
| VANGUARD FIDUCIARY TRUST CO | 162K | 526K | −8.3K (-5%) | 減碼 |
| Round Rock Advisors LLC | 153K | 497K | 新進 | 新進 |
| MORGAN STANLEY | 134K | 434K | −19.2K (-13%) | 減碼 |
| Centiva Capital, LP | 131K | 425K | +19.8K (+18%) | 加碼 |
| 千禧 MILLENNIUM MANAGEMENT LLC | 124K | 404K | 新進 | 新進 |
| Marquette Asset Management, LLC | 110K | 357K | 新進 | 新進 |
| STIFEL FINANCIAL CORP | 106K | 343K | 不變 | 持平 |
| STATE STREET CORP | 102K | 331K | −320K (-76%) | 減碼 |
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 | 94 +4 |
|---|---|
| 新進 / 出清 / 加碼 / 減碼 | 28 / 24 / 32 / 23 |
| 機構合計持股 · 佔流通股 | 26.1M · 54.2% |
| 合計季末市值 | 83.5M |
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 | 91.8K |
|---|---|
| 與上期比 | -26.5% |
| 佔流通股數 | 0.19% |
| 日均成交量 | 185K |
| 回補天數 | 1.0 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 | 91.8K | -26.5% | 0.19% | 185K | 1.0 |
| 2026-08-14 | 125K | +18.2% | 0.26% | 276K | 1.0 |
| 2026-07-31 | 106K | -8.6% | 0.22% | 165K | 1.0 |
| 2026-07-15 | 116K | -12.7% | 0.24% | 177K | 1.0 |
| 2026-06-30 | 132K | -83.4% | 0.28% | 699K | 1.0 |
| 2026-06-15 | 797K | +8.3% | 1.66% | 281K | 2.8 |
| 2026-05-29 | 737K | -3.4% | 1.53% | 387K | 1.9 |
| 2026-05-15 | 762K | -12.0% | 1.58% | 453K | 1.7 |
| 2026-04-30 | 866K | -11.4% | 1.80% | 310K | 2.8 |
| 2026-04-15 | 978K | -6.7% | 2.03% | 232K | 4.2 |
| 2026-03-31 | 1.0M | +21.3% | 2.18% | 365K | 2.9 |
| 2026-03-13 | 864K | +24.5% | 1.80% | 342K | 2.5 |
| 2026-02-27 | 694K | +2.7% | 1.44% | 137K | 5.1 |
| 2026-02-13 | 676K | -4.1% | 1.40% | 162K | 4.2 |
| 2026-01-30 | 705K | -0.8% | 1.46% | 164K | 4.3 |
| 2026-01-15 | 711K | -3.6% | 1.48% | 324K | 2.2 |
| 2025-12-31 | 737K | +14.1% | 1.53% | 289K | 2.6 |
| 2025-12-15 | 646K | +76.1% | 1.34% | 505K | 1.3 |
| 2025-11-28 | 367K | +35.5% | 0.76% | 107K | 3.4 |
| 2025-11-14 | 271K | +40.3% | 0.56% | 117K | 2.3 |
| 2025-10-31 | 193K | -18.8% | 0.40% | 95.4K | 2.0 |
| 2025-10-15 | 238K | -2.1% | 0.49% | 106K | 2.3 |
| 2025-09-30 | 243K | +3.4% | 0.51% | 131K | 1.9 |
| 2025-09-15 | 235K | +11.2% | 0.49% | 69.0K | 3.4 |
| 2025-08-29 | 211K | -1.9% | 0.44% | 80.5K | 2.6 |
| 2025-08-15 | 215K | +12.4% | 0.45% | 117K | 1.8 |