AMTM
Amentum Holdings, Inc.
+0.27 (+1.33%)20.15USD325K成交股數4.9B市值24.3本益比(近四季)0.3股價營收比-2.0%營收年增(近四季)2026-08-10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 | 0 · 0 |
| 近 180 天 淨額 | 0 |
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 |
|---|---|---|---|---|---|---|---|---|---|
| 2026-05-06 | 05-07 | Arnette Stephen A | Chief Operating Officer | F 繳稅扣股 | 3.3K | 24.89 | 82K | 107K | SEC |
| 2026-05-06 | 05-07 | Bruning Jill L | Chief Technology Officer | M 選擇權執行 | 9.1K | – | – | 200K | SEC |
| 2026-05-06 | 05-07 | Arnette Stephen A | Chief Operating Officer | M 選擇權執行 | 13.6K | – | – | 110K | SEC |
| 2026-05-06 | 05-07 | Bruning Jill L | Chief Technology Officer | F 繳稅扣股 | 2.7K | 24.89 | 68K | 197K | SEC |
| 2026-05-06 | 05-07 | Johnson Travis Barton | Chief Financial Officer | M 選擇權執行 | 13.6K | – | – | 122K | SEC |
| 2026-05-06 | 05-07 | Johnson Travis Barton | Chief Financial Officer | F 繳稅扣股 | 4.1K | 24.89 | 102K | 118K | SEC |
| 2026-05-06 | 05-07 | Mullen Sean Thomas | Chief Growth Officer | M 選擇權執行 | 9.1K | – | – | 35.2K | SEC |
| 2026-05-06 | 05-07 | Mullen Sean Thomas | Chief Growth Officer | F 繳稅扣股 | 2.8K | 24.89 | 69K | 32.4K | SEC |
| 2026-05-06 | 05-07 | Heller John E. | Chief Executive Officer | M 選擇權執行 | 18.1K | – | – | 384K | SEC |
| 2026-05-06 | 05-07 | Heller John E. | Chief Executive Officer | F 繳稅扣股 | 8.2K | 24.89 | 204K | 376K | SEC |
| 2026-03-04 | 03-05 | Bruning Jill L | Chief Technology Officer | G 贈與 | 30.0K | – | – | 191K | SEC |
| 2026-03-02 | 03-04 | Arnette Stephen A | Chief Operating Officer | M 選擇權執行 | 2.8K | – | – | 97.1K | SEC |
| 2026-03-02 | 03-04 | Arnette Stephen A | Chief Operating Officer | F 繳稅扣股 | 750 | 30.70 | 23K | 96.4K | SEC |
| 2026-02-17 | 02-18 | St. Mary Michele T | Chief Legal Officer & GC | M 選擇權執行 | 7.1K | – | – | 29.4K | SEC |
| 2026-02-17 | 02-18 | St. Mary Michele T | Chief Legal Officer & GC | F 繳稅扣股 | 2.3K | 30.05 | 69K | 27.0K | SEC |
| 2026-02-06 | 02-10 | Vollmer John C. | Director | M 選擇權執行 | 11.6K | – | – | 425K | SEC |
| 2026-02-06 | 02-10 | Vollmer John C. | Director | A 獲配股票 | 5.1K | – | – | 430K | SEC |
| 2026-02-06 | 02-10 | Thompson Christopher M.T. | Director | A 獲配股票 | 5.1K | – | – | 5.1K | SEC |
| 2026-02-06 | 02-10 | Loughran Barbara | Director | A 獲配股票 | 5.1K | – | – | 9.7K | SEC |
| 2026-02-06 | 02-10 | EBERHART RALPH E | Director | M 選擇權執行 | 11.6K | – | – | 43.1K | SEC |
| 2026-02-06 | 02-10 | EBERHART RALPH E | Director | A 獲配股票 | 5.1K | – | – | 48.1K | SEC |
| 2026-02-06 | 02-10 | Brooks Vincent K | Director | M 選擇權執行 | 11.6K | – | – | 22.4K | SEC |
| 2026-02-06 | 02-10 | Brooks Vincent K | Director | A 獲配股票 | 5.1K | – | – | 27.5K | SEC |
| 2026-02-06 | 02-10 | Rowland Sandra E. | Director | M 選擇權執行 | 11.6K | – | – | 15.0K | SEC |
| 2026-02-06 | 02-10 | Rowland Sandra E. | Director | A 獲配股票 | 5.1K | – | – | 20.1K | SEC |
| 2026-02-06 | 02-10 | IRELAND SUSAN LESLIE | Director | A 獲配股票 | 5.1K | – | – | 8.5K | SEC |
| 2026-01-28 | 01-29 | Heller John E. | Chief Executive Officer | M 選擇權執行 | 52.0K | – | – | 386K | SEC |
| 2026-01-28 | 01-29 | Heller John E. | Chief Executive Officer | F 繳稅扣股 | 19.8K | 35.71 | 706K | 366K | SEC |
| 2025-12-17 | 12-19 | Mullen Sean Thomas | Chief Growth Officer | M 選擇權執行 | 9.3K | – | – | 30.3K | SEC |
| 2025-12-17 | 12-19 | Mullen Sean Thomas | Chief Growth Officer | F 繳稅扣股 | 4.2K | 28.67 | 120K | 26.1K | SEC |
| 2025-12-05 | 12-09 | Burton Darren | Chief People Officer | F 繳稅扣股 | 1.4K | 28.88 | 40K | 23.6K | SEC |
| 2025-12-05 | 12-09 | Burton Darren | Chief People Officer | M 選擇權執行 | 2.7K | – | – | 25.0K | SEC |
| 2025-11-17 | 11-19 | Arnette Stephen A | Chief Operating Officer | M 選擇權執行 | 1.2K | – | – | 47.2K | SEC |
| 2025-11-17 | 11-19 | Arnette Stephen A | Chief Operating Officer | F 繳稅扣股 | 287 | 21.49 | 6K | 47.0K | SEC |
| 2025-11-17 | 11-19 | Arnette Stephen A | Chief Operating Officer | A 獲配股票 | 46.8K | – | – | 93.7K | SEC |
| 2025-11-17 | 11-19 | St. Mary Michele T | Chief Legal Officer & GC | A 獲配股票 | 22.3K | – | – | 22.3K | SEC |
| 2025-11-17 | 11-19 | Johnson Travis Barton | Chief Financial Officer | A 獲配股票 | 100K | – | – | 109K | SEC |
| 2025-11-17 | 11-19 | Bruning Jill L | Chief Technology Officer | A 獲配股票 | 17.8K | – | – | 21.2K | SEC |
| 2025-11-17 | 11-19 | Heller John E. | Chief Executive Officer | A 獲配股票 | 156K | – | – | 269K | SEC |
| 2025-11-17 | 11-19 | Mullen Sean Thomas | Chief Growth Officer | A 獲配股票 | 17.8K | – | – | 21.0K | SEC |
| 2025-11-17 | 11-19 | Burton Darren | Chief People Officer | A 獲配股票 | 22.3K | – | – | 22.3K | SEC |
| 2025-11-17 | 11-19 | DEMETRIOU STEVEN J. | Executive Chair | M 選擇權執行 | 43.4K | – | – | 726K | SEC |
| 2025-11-17 | 11-19 | DEMETRIOU STEVEN J. | Executive Chair | F 繳稅扣股 | 17.1K | 21.49 | 367K | 709K | SEC |
| 2025-11-17 | 11-19 | DEMETRIOU STEVEN J. | Executive Chair | A 獲配股票 | 111K | – | – | 820K | SEC |
| 2025-11-16 | 11-18 | Arnette Stephen A | Chief Operating Officer | F 繳稅扣股 | 1.1K | 22.07 | 25K | 46.1K | SEC |
| 2025-11-16 | 11-18 | Arnette Stephen A | Chief Operating Officer | F 繳稅扣股 | 897 | 22.07 | 20K | 42.6K | SEC |
| 2025-11-16 | 11-18 | Arnette Stephen A | Chief Operating Officer | M 選擇權執行 | 4.6K | – | – | 47.2K | SEC |
| 2025-11-16 | 11-18 | Arnette Stephen A | Chief Operating Officer | M 選擇權執行 | 5.1K | – | – | 41.0K | SEC |
| 2025-11-16 | 11-18 | Arnette Stephen A | Chief Operating Officer | F 繳稅扣股 | 1.2K | 22.07 | 27K | 39.8K | SEC |
| 2025-11-16 | 11-18 | Arnette Stephen A | Chief Operating Officer | M 選擇權執行 | 3.7K | – | – | 43.5K | SEC |
| 2025-11-15 | 11-18 | Arnette Stephen A | Chief Operating Officer | F 繳稅扣股 | 1.4K | 22.07 | 31K | 36.0K | SEC |
| 2025-11-15 | 11-18 | Arnette Stephen A | Chief Operating Officer | M 選擇權執行 | 5.8K | – | – | 37.4K | SEC |
| 2025-11-06 | 11-10 | DEMETRIOU STEVEN J. | Executive Chair | M 選擇權執行 | 90.7K | – | – | 712K | SEC |
| 2025-11-06 | 11-10 | Arnette Stephen A | Chief Operating Officer | M 選擇權執行 | 12.7K | – | – | 34.7K | SEC |
| 2025-11-06 | 11-10 | Arnette Stephen A | Chief Operating Officer | F 繳稅扣股 | 3.1K | 21.79 | 67K | 31.6K | SEC |
| 2025-11-06 | 11-10 | DEMETRIOU STEVEN J. | Executive Chair | F 繳稅扣股 | 28.8K | 21.79 | 628K | 683K | SEC |
| 2025-11-06 | 11-10 | Mullen Sean Thomas | Chief Growth Officer | M 選擇權執行 | 4.8K | – | – | 4.8K | SEC |
| 2025-11-06 | 11-10 | Mullen Sean Thomas | Chief Growth Officer | F 繳稅扣股 | 1.6K | 21.79 | 35K | 3.2K | SEC |
| 2025-11-06 | 11-10 | Heller John E. | Chief Executive Officer | M 選擇權執行 | 39.6K | – | – | 131K | SEC |
| 2025-11-06 | 11-10 | Heller John E. | Chief Executive Officer | F 繳稅扣股 | 17.9K | 21.79 | 389K | 114K | SEC |
| 2025-11-06 | 11-10 | Bruning Jill L | Chief Technology Officer | M 選擇權執行 | 4.8K | – | – | 4.8K | SEC |
| 2025-11-06 | 11-10 | Bruning Jill L | Chief Technology Officer | F 繳稅扣股 | 1.5K | 21.79 | 32K | 3.4K | SEC |
| 2025-11-06 | 11-10 | Johnson Travis Barton | Chief Financial Officer | M 選擇權執行 | 12.1K | – | – | 12.1K | SEC |
| 2025-11-06 | 11-10 | Johnson Travis Barton | Chief Financial Officer | F 繳稅扣股 | 3.6K | 21.79 | 79K | 8.5K | SEC |
| 2025-05-08 | 05-12 | Amentum Joint Venture GP LLC | Director | J 其他 | 2.4M | – | – | 0 | SEC |
| 2025-05-08 | 05-12 | Amentum Joint Venture LP | Director | J 其他 | 2.4M | – | – | 0 | SEC |
| 2025-05-08 | 05-12 | Lindsay Goldberg IV L.P. | TenPercentOwner | J 其他 | 1.1M | – | – | 45.0M | SEC |
| 2025-05-08 | 05-12 | Lindsay Goldberg IV - A L.P. | TenPercentOwner | J 其他 | 1.1M | – | – | 45.0M | SEC |
| 2025-05-08 | 05-12 | Lindsay Goldberg IV - PCF L.P. | TenPercentOwner | J 其他 | 1.1M | – | – | 45.0M | SEC |
| 2025-05-08 | 05-12 | Lindsay Goldberg GP IV LLC | TenPercentOwner | J 其他 | 1.1M | – | – | 45.0M | SEC |
| 2025-05-08 | 05-12 | Goldberg 2020 LLC | TenPercentOwner | J 其他 | 1.1M | – | – | 45.0M | SEC |
| 2025-05-08 | 05-12 | LG GP Holding V LLC | TenPercentOwner | J 其他 | 1.1M | – | – | 45.0M | SEC |
| 2025-05-08 | 05-12 | Lindsay Goldberg Co-Inv. IV L.P. | TenPercentOwner | J 其他 | 1.1M | – | – | 45.0M | SEC |
| 2025-05-08 | 05-12 | Lindsay Goldberg GP V LLC | TenPercentOwner | J 其他 | 1.1M | – | – | 45.0M | SEC |
| 2025-05-08 | 05-12 | Goldberg 2014 LLC | TenPercentOwner | J 其他 | 1.1M | – | – | 45.0M | SEC |
| 2025-05-08 | 05-12 | LG GP Holding IV LLC | TenPercentOwner | J 其他 | 1.1M | – | – | 45.0M | SEC |
| 2025-05-08 | 05-12 | GOLDBERG ALAN E | Director,TenPercentOwner | J 其他 | 1.1M | – | – | 45.0M | SEC |
| 2025-05-08 | 05-12 | Lindsay Goldberg V L.P. | TenPercentOwner | J 其他 | 1.1M | – | – | 45.0M | SEC |
| 2025-05-08 | 05-12 | Lindsay Goldberg Employee Co-Inv. IV L.P. | TenPercentOwner | J 其他 | 1.1M | – | – | 45.0M | SEC |
| 2025-05-08 | 05-12 | LG Co-Inv. A L.P. | TenPercentOwner | J 其他 | 1.1M | – | – | 45.0M | 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 |
|---|---|---|---|---|
| AMERICAN SECURITIES LLC | 45.0M | 931M | 不變 | 持平 |
| Invesco Ltd. | 25.0M | 516M | +3.5M (+16%) | 加碼 |
| BlackRock, Inc. | 17.9M | 370M | +65.7K (+0%) | 加碼 |
| PRIMECAP MANAGEMENT CO/CA/ | 12.3M | 254M | +200K (+2%) | 加碼 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 7.9M | 164M | +95.4K (+1%) | 加碼 |
| VANGUARD CAPITAL MANAGEMENT LLC | 6.7M | 139M | +61.1K (+1%) | 加碼 |
| FMR LLC | 5.7M | 117M | +101K (+2%) | 加碼 |
| DIMENSIONAL FUND ADVISORS LP | 5.5M | 114M | +1.8M (+46%) | 加碼 |
| STATE STREET CORP | 5.2M | 106M | +72.7K (+1%) | 加碼 |
| FRONTIER CAPITAL MANAGEMENT CO LLC | 4.1M | 85.7M | −786K (-16%) | 減碼 |
| Troluce Capital Advisors LLC | 3.6M | 73.7M | +2.6M (+257%) | 加碼 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.7M | 56.2M | −97.9K (-3%) | 減碼 |
| GOLDMAN SACHS GROUP INC | 2.7M | 56.1M | +1.6M (+140%) | 加碼 |
| MORGAN STANLEY | 2.7M | 55.0M | +427K (+19%) | 加碼 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2.3M | 47.9M | −467K (-17%) | 減碼 |
| 千禧 MILLENNIUM MANAGEMENT LLC | 2.1M | 44.0M | +1.5M (+237%) | 加碼 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.1M | 43.8M | +52.2K (+3%) | 加碼 |
| BANK OF AMERICA CORP /DE/ | 2.0M | 42.2M | −362K (-15%) | 減碼 |
| SEGRA CAPITAL MANAGEMENT, LLC | 2.0M | 42.1M | +425K (+26%) | 加碼 |
| Verition Fund Management LLC | 2.0M | 41.7M | +721K (+56%) | 加碼 |
| VAN ECK ASSOCIATES CORP | 2.0M | 41.1M | +1.4M (+263%) | 加碼 |
| VOYA INVESTMENT MANAGEMENT LLC | 2.0M | 40.8M | +775K (+65%) | 加碼 |
| UBS Group AG | 1.5M | 31.9M | −166K (-10%) | 減碼 |
| 挪威主權基金 NORGES BANK | 1.5M | 31.3M | 新進 | 新進 |
| Permian Investment Partners, LP | 1.4M | 29.6M | −134K (-9%) | 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 | 461 -26 |
|---|---|
| 新進 / 出清 / 加碼 / 減碼 | 60 / 86 / 138 / 148 |
| 機構合計持股 · 佔流通股 | 219M · 89.6% |
| 合計季末市值 | 4.2B |
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 | 12.1M |
|---|---|
| 與上期比 | +13.6% |
| 佔流通股數 | 4.95% |
| 日均成交量 | 2.5M |
| 回補天數 | 4.8 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 | 12.1M | +13.6% | 4.95% | 2.5M | 4.8 |
| 2026-08-14 | 10.7M | -14.0% | 4.36% | 2.5M | 4.2 |
| 2026-07-31 | 12.4M | -7.9% | 5.07% | 1.8M | 7.1 |
| 2026-07-15 | 13.5M | -2.1% | 5.50% | 1.9M | 7.0 |
| 2026-06-30 | 13.7M | +1.1% | 5.62% | 2.2M | 6.1 |
| 2026-06-15 | 13.6M | -1.8% | 5.56% | 1.7M | 8.0 |
| 2026-05-29 | 13.8M | -0.3% | 5.66% | 2.2M | 6.3 |
| 2026-05-15 | 13.9M | +0.2% | 5.68% | 2.6M | 5.3 |
| 2026-04-30 | 13.9M | +17.9% | 5.67% | 1.6M | 8.6 |
| 2026-04-15 | 11.8M | +3.3% | 4.81% | 1.7M | 7.0 |
| 2026-03-31 | 11.4M | +4.7% | 4.65% | 1.8M | 6.3 |
| 2026-03-13 | 10.9M | +11.0% | 4.44% | 2.0M | 5.5 |
| 2026-02-27 | 9.8M | +8.3% | 4.00% | 1.8M | 5.5 |
| 2026-02-13 | 9.0M | +8.0% | 3.69% | 3.4M | 2.6 |
| 2026-01-30 | 8.4M | +0.6% | 3.42% | 1.8M | 4.6 |
| 2026-01-15 | 8.3M | +17.9% | 3.40% | 2.0M | 4.2 |
| 2025-12-31 | 7.0M | +0.6% | 2.88% | 1.6M | 4.5 |
| 2025-12-15 | 7.0M | -26.7% | 2.86% | 2.6M | 2.7 |
| 2025-11-28 | 9.6M | +27.1% | 3.91% | 4.4M | 2.2 |
| 2025-11-14 | 7.5M | -22.8% | 3.08% | 1.3M | 6.0 |
| 2025-10-31 | 9.7M | +3.3% | 3.99% | 1.2M | 8.0 |
| 2025-10-15 | 9.4M | -1.4% | 3.86% | 1.8M | 5.1 |
| 2025-09-30 | 9.6M | +11.9% | 3.91% | 2.0M | 4.7 |
| 2025-09-15 | 8.5M | -7.7% | 3.50% | 1.4M | 6.1 |
| 2025-08-29 | 9.3M | +14.2% | 3.79% | 1.2M | 7.4 |
| 2025-08-15 | 8.1M | +9.1% | 3.32% | 1.7M | 4.8 |