AMSC
AMERICAN SUPERCONDUCTOR CORP /DE/
+1.28 (+4.60%)29.09USD172K成交股數1.4B市值9.4本益比(近四季)4.4股價營收比+30.0%營收年增(近四季)2026-11-04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 · 7.8M |
| 近 180 天 淨額 | −7.8M |
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 |
|---|---|---|---|---|---|---|---|---|---|
| 2026-06-11 | 06-12 | Dambier Laura A. | Director | S 公開市場賣出 | 4.0K | 37.63 | 151K | 15.0K | SEC |
| 2026-06-11 | 06-11 | McGahn Daniel P | Chairman, President and CEO | S 公開市場賣出(10b5-1) | 11.5K | 37.28 | 429K | 1.1M | SEC |
| 2026-06-11 | 06-11 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出(10b5-1) | 1.7K | 37.85 | 66K | 334K | SEC |
| 2026-06-11 | 06-11 | McGahn Daniel P | Chairman, President and CEO | S 公開市場賣出(10b5-1) | 4.6K | 37.85 | 174K | 1.1M | SEC |
| 2026-06-11 | 06-11 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出(10b5-1) | 5.0K | 37.33 | 188K | 336K | SEC |
| 2026-06-08 | 06-10 | McGahn Daniel P | Chairman, President and CEO | S 公開市場賣出(10b5-1) | 4.7K | 42.19 | 197K | 1.1M | SEC |
| 2026-06-08 | 06-10 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出(10b5-1) | 1.5K | 42.35 | 66K | 341K | SEC |
| 2026-06-08 | 06-10 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出(10b5-1) | 3.3K | 41.50 | 136K | 343K | SEC |
| 2026-06-08 | 06-10 | McGahn Daniel P | Chairman, President and CEO | S 公開市場賣出(10b5-1) | 5.0K | 41.39 | 207K | 1.2M | SEC |
| 2026-06-03 | 06-03 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出(10b5-1) | 3.2K | 48.31 | 155K | 349K | SEC |
| 2026-06-03 | 06-03 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出(10b5-1) | 609 | 50.83 | 31K | 346K | SEC |
| 2026-06-03 | 06-03 | McGahn Daniel P | Chairman, President and CEO | S 公開市場賣出(10b5-1) | 7.1K | 48.31 | 342K | 1.2M | SEC |
| 2026-06-03 | 06-03 | McGahn Daniel P | Chairman, President and CEO | S 公開市場賣出(10b5-1) | 4.5K | 49.25 | 222K | 1.2M | SEC |
| 2026-06-03 | 06-03 | McGahn Daniel P | Chairman, President and CEO | S 公開市場賣出(10b5-1) | 817 | 50.99 | 42K | 1.2M | SEC |
| 2026-06-03 | 06-03 | McGahn Daniel P | Chairman, President and CEO | S 公開市場賣出(10b5-1) | 500 | 50.29 | 25K | 1.2M | SEC |
| 2026-06-03 | 06-03 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出(10b5-1) | 2.6K | 49.28 | 130K | 347K | SEC |
| 2026-06-02 | 06-03 | McGahn Daniel P | Chairman, President and CEO | S 公開市場賣出(10b5-1) | 2.3K | 52.14 | 120K | 1.2M | SEC |
| 2026-06-02 | 06-03 | McGahn Daniel P | Chairman, President and CEO | S 公開市場賣出(10b5-1) | 28.6K | 51.46 | 1.5M | 1.2M | SEC |
| 2026-06-02 | 06-03 | McGahn Daniel P | Chairman, President and CEO | S 公開市場賣出(10b5-1) | 27.9K | 50.63 | 1.4M | 1.2M | SEC |
| 2026-06-02 | 06-03 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出(10b5-1) | 600 | 52.19 | 31K | 352K | SEC |
| 2026-06-02 | 06-03 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出(10b5-1) | 12.0K | 51.47 | 619K | 353K | SEC |
| 2026-06-02 | 06-03 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出(10b5-1) | 5.7K | 49.46 | 282K | 377K | SEC |
| 2026-06-02 | 06-03 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出(10b5-1) | 12.1K | 50.62 | 614K | 365K | SEC |
| 2026-06-02 | 06-03 | McGahn Daniel P | Chairman, President and CEO | S 公開市場賣出(10b5-1) | 13.8K | 49.45 | 681K | 1.2M | SEC |
| 2026-06-01 | 06-03 | McGahn Daniel P | Chairman, President and CEO | A 獲配股票 | 60.0K | – | – | 1.2M | SEC |
| 2026-06-01 | 06-03 | Kosiba John W JR | SVP, CFO & Treasurer | A 獲配股票 | 30.0K | – | – | 383K | SEC |
| 2026-04-03 | 04-07 | Littlefield Barbara G. | Director | A 獲配股票 | 3.1K | – | – | 35.4K | SEC |
| 2026-04-03 | 04-07 | Klein Margaret D. | Director | A 獲配股票 | 3.1K | – | – | 19.5K | SEC |
| 2026-04-03 | 04-07 | House Arthur H | Director | A 獲配股票 | 3.1K | – | – | 51.8K | SEC |
| 2026-04-03 | 04-07 | OLIVER DAVID R JR | Director | A 獲配股票 | 3.1K | – | – | 63.8K | SEC |
| 2026-04-03 | 04-07 | Donnelly Terence Robert | Director | A 獲配股票 | 2.7K | – | – | 2.7K | SEC |
| 2026-04-03 | 04-07 | Dambier Laura A. | Director | A 獲配股票 | 3.1K | – | – | 19.0K | SEC |
| 2026-02-24 | 02-26 | OLIVER DAVID R JR | Director | S 公開市場賣出 | 200 | 34.10 | 7K | 60.7K | SEC |
| 2025-08-08 | 08-08 | House Arthur H | Director | S 公開市場賣出 | 9.7K | 50.92 | 494K | 48.7K | SEC |
| 2025-08-06 | 08-08 | House Arthur H | Director | M 選擇權執行 | 9.7K | 6.80 | 66K | 58.4K | SEC |
| 2025-08-04 | 08-06 | McGahn Daniel P | Chairman, President and CEO | S 公開市場賣出 | 73.1K | 54.26 | 4.0M | 1.2M | SEC |
| 2025-08-04 | 08-06 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出 | 34.3K | 54.34 | 1.9M | 369K | SEC |
| 2025-08-04 | 08-06 | McGahn Daniel P | Chairman, President and CEO | S 公開市場賣出 | 27.7K | 55.11 | 1.5M | 1.2M | SEC |
| 2025-08-04 | 08-06 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出 | 9.8K | 55.26 | 544K | 0 | SEC |
| 2025-08-04 | 08-06 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出 | 15.7K | 55.13 | 868K | 353K | SEC |
| 2025-06-11 | 06-12 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出(10b5-1) | 300 | 29.08 | 9K | 403K | SEC |
| 2025-06-11 | 06-12 | McGahn Daniel P | Chairman, President and CEO | S 公開市場賣出(10b5-1) | 12.3K | 28.56 | 352K | 1.3M | SEC |
| 2025-06-11 | 06-12 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出(10b5-1) | 6.3K | 28.55 | 181K | 403K | SEC |
| 2025-06-11 | 06-12 | McGahn Daniel P | Chairman, President and CEO | S 公開市場賣出(10b5-1) | 500 | 29.09 | 15K | 1.3M | SEC |
| 2025-06-06 | 06-09 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出(10b5-1) | 4.7K | 31.83 | 151K | 410K | SEC |
| 2025-06-06 | 06-09 | McGahn Daniel P | Chairman, President and CEO | S 公開市場賣出(10b5-1) | 7.7K | 31.82 | 245K | 1.3M | SEC |
| 2025-05-27 | 05-29 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出(10b5-1) | 39.9K | 26.61 | 1.1M | 414K | SEC |
| 2025-05-27 | 05-29 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出(10b5-1) | 10.1K | 25.55 | 258K | 454K | SEC |
| 2025-05-27 | 05-29 | McGahn Daniel P | Chairman, President and CEO | S 公開市場賣出(10b5-1) | 98.1K | 26.60 | 2.6M | 1.3M | SEC |
| 2025-05-27 | 05-29 | McGahn Daniel P | Chairman, President and CEO | S 公開市場賣出(10b5-1) | 24.5K | 25.55 | 626K | 1.4M | SEC |
| 2025-05-20 | 05-22 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出(10b5-1) | 11.9K | 24.50 | 291K | 464K | SEC |
| 2025-05-20 | 05-22 | McGahn Daniel P | Chairman, President and CEO | S 公開市場賣出(10b5-1) | 12.8K | 24.49 | 314K | 1.4M | SEC |
| 2025-05-15 | 05-19 | Kosiba John W JR | SVP, CFO & Treasurer | A 獲配股票 | 120K | – | – | 476K | SEC |
| 2025-05-15 | 05-19 | McGahn Daniel P | Chairman, President and CEO | A 獲配股票 | 240K | – | – | 1.4M | SEC |
| 2025-04-03 | 04-04 | House Arthur H | Director | A 獲配股票 | 2.6K | – | – | 48.7K | SEC |
| 2025-04-03 | 04-04 | OLIVER DAVID R JR | Director | A 獲配股票 | 2.6K | – | – | 60.7K | SEC |
| 2025-04-03 | 04-04 | Dambier Laura A. | Director | A 獲配股票 | 2.6K | – | – | 15.9K | SEC |
| 2025-04-03 | 04-04 | Klein Margaret D. | Director | A 獲配股票 | 2.6K | – | – | 15.9K | SEC |
| 2025-04-03 | 04-04 | Littlefield Barbara G. | Director | A 獲配股票 | 2.6K | – | – | 32.3K | SEC |
| 2024-11-04 | 11-06 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出 | 50.0K | 28.28 | 1.4M | 356K | SEC |
| 2024-09-30 | 10-01 | McGahn Daniel P | Chairman, President and CEO | A 獲配股票 | 180K | – | – | 1.2M | SEC |
| 2024-09-26 | 09-30 | Kosiba John W JR | SVP, CFO & Treasurer | A 獲配股票 | 90.0K | – | – | 406K | SEC |
| 2024-06-11 | 06-12 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出(10b5-1) | 32.0K | 21.68 | 694K | 316K | SEC |
| 2024-06-11 | 06-12 | McGahn Daniel P | Chairman, President and CEO | S 公開市場賣出(10b5-1) | 37.2K | 21.69 | 806K | 1.0M | SEC |
| 2024-05-21 | 05-23 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出(10b5-1) | 26.8K | 14.78 | 397K | 350K | SEC |
| 2024-05-21 | 05-23 | McGahn Daniel P | Chairman, President and CEO | S 公開市場賣出(10b5-1) | 1.6K | 15.30 | 25K | 1.1M | SEC |
| 2024-05-21 | 05-23 | McGahn Daniel P | Chairman, President and CEO | S 公開市場賣出(10b5-1) | 18.9K | 14.78 | 280K | 1.1M | SEC |
| 2024-05-21 | 05-23 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出(10b5-1) | 2.2K | 15.30 | 33K | 348K | SEC |
| 2024-04-03 | 04-04 | OLIVER DAVID R JR | Director | A 獲配股票 | 3.8K | – | – | 58.1K | SEC |
| 2024-04-03 | 04-04 | Littlefield Barbara G. | Director | A 獲配股票 | 3.8K | – | – | 29.7K | SEC |
| 2024-04-03 | 04-04 | Dambier Laura A. | Director | A 獲配股票 | 3.8K | – | – | 13.2K | SEC |
| 2024-04-03 | 04-04 | House Arthur H | Director | A 獲配股票 | 3.8K | – | – | 46.0K | SEC |
| 2024-04-03 | 04-04 | Klein Margaret D. | Director | A 獲配股票 | 3.8K | – | – | 13.2K | SEC |
| 2023-06-22 | 06-23 | McGahn Daniel P | Chairman, President and CEO | S 公開市場賣出(10b5-1) | 36.9K | 5.95 | 220K | 1.1M | SEC |
| 2023-06-22 | 06-23 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出(10b5-1) | 29.9K | 5.95 | 178K | 377K | SEC |
| 2023-06-21 | 06-23 | McGahn Daniel P | Chairman, President and CEO | S 公開市場賣出(10b5-1) | 73.8K | 6.14 | 453K | 1.1M | SEC |
| 2023-06-21 | 06-23 | Kosiba John W JR | SVP, CFO & Treasurer | S 公開市場賣出(10b5-1) | 50.1K | 6.15 | 308K | 407K | SEC |
| 2023-06-15 | 06-20 | McGahn Daniel P | Chairman, President and CEO | A 獲配股票 | 250K | – | – | 1.2M | SEC |
| 2023-06-15 | 06-20 | McGahn Daniel P | Chairman, President and CEO | D 處分 | 4.8K | – | – | 1.2M | SEC |
| 2023-06-15 | 06-20 | Kosiba John W JR | SVP, CFO & Treasurer | A 獲配股票 | 105K | – | – | 459K | 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 |
|---|---|---|---|---|
| BlackRock, Inc. | 4.1M | 170M | +113K (+3%) | 加碼 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2.0M | 84.4M | −5.2K (-0%) | 減碼 |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | 1.7M | 70.7M | +564K (+50%) | 加碼 |
| UBS Group AG | 1.4M | 59.3M | +829K (+138%) | 加碼 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.4M | 58.9M | −293K (-17%) | 減碼 |
| STATE STREET CORP | 1.4M | 56.4M | +97.2K (+8%) | 加碼 |
| GOLDMAN SACHS GROUP INC | 1.3M | 53.7M | +585K (+82%) | 加碼 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.2M | 51.6M | +74.0K (+6%) | 加碼 |
| FIRST TRUST ADVISORS LP | 1.2M | 48.5M | +390K (+50%) | 加碼 |
| OBERWEIS ASSET MANAGEMENT INC/ | 988K | 41.0M | +138K (+16%) | 加碼 |
| AWM Investment Company, Inc. | 952K | 39.5M | +150K (+19%) | 加碼 |
| BAILLIE GIFFORD & CO | 933K | 38.7M | −514K (-36%) | 減碼 |
| EMERALD ADVISERS, LLC | 844K | 35.0M | +86.6K (+11%) | 加碼 |
| Legal & General Group Plc | 757K | 31.4M | +227K (+43%) | 加碼 |
| DIMENSIONAL FUND ADVISORS LP | 646K | 26.8M | −12.3K (-2%) | 減碼 |
| MORGAN STANLEY | 636K | 26.4M | +2.0K (+0%) | 加碼 |
| Nuveen, LLC | 628K | 26.1M | −393K (-38%) | 減碼 |
| Telemark Asset Management, LLC | 600K | 24.9M | 不變 | 持平 |
| ROYCE & ASSOCIATES LP | 556K | 23.1M | +13.0K (+2%) | 加碼 |
| EMERALD MUTUAL FUND ADVISERS TRUST | 539K | 22.4M | +100K (+23%) | 加碼 |
| NORTHERN TRUST CORP | 434K | 18.0M | +40.6K (+10%) | 加碼 |
| Ranger Investment Management, L.P. | 405K | 16.8M | 新進 | 新進 |
| Stephens Investment Management Group LLC | 403K | 16.7M | +94.2K (+31%) | 加碼 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 399K | 16.6M | +13.7K (+4%) | 加碼 |
| PANAGORA ASSET MANAGEMENT INC | 376K | 15.6M | +119K (+46%) | 加碼 |
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 | 278 +34 |
|---|---|
| 新進 / 出清 / 加碼 / 減碼 | 68 / 34 / 105 / 71 |
| 機構合計持股 · 佔流通股 | 35.4M · 73.1% |
| 合計季末市值 | 1.4B |
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 | 3.7M |
|---|---|
| 與上期比 | +5.1% |
| 佔流通股數 | 7.55% |
| 日均成交量 | 636K |
| 回補天數 | 5.8 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 | 3.7M | +5.1% | 7.55% | 636K | 5.8 |
| 2026-08-14 | 3.5M | -1.5% | 7.18% | 719K | 4.8 |
| 2026-07-31 | 3.5M | +3.8% | 7.29% | 833K | 4.2 |
| 2026-07-15 | 3.4M | +1.2% | 7.03% | 672K | 5.1 |
| 2026-06-30 | 3.4M | -2.8% | 6.95% | 1.0M | 3.3 |
| 2026-06-15 | 3.5M | -11.2% | 7.14% | 1.4M | 2.4 |
| 2026-05-29 | 3.9M | +4.3% | 8.05% | 1.4M | 2.8 |
| 2026-05-15 | 3.7M | -1.0% | 7.72% | 1.2M | 3.1 |
| 2026-04-30 | 3.8M | +28.1% | 7.80% | 1.7M | 2.2 |
| 2026-04-15 | 2.9M | +5.0% | 6.08% | 875K | 3.4 |
| 2026-03-31 | 2.8M | +13.4% | 5.79% | 1.0M | 2.7 |
| 2026-03-13 | 2.5M | -17.9% | 5.11% | 863K | 2.9 |
| 2026-02-27 | 3.0M | +6.5% | 6.22% | 967K | 3.1 |
| 2026-02-13 | 2.8M | +16.1% | 5.84% | 2.0M | 1.4 |
| 2026-01-30 | 2.4M | -6.1% | 5.03% | 766K | 3.2 |
| 2026-01-15 | 2.6M | +8.0% | 5.36% | 813K | 3.2 |
| 2025-12-31 | 2.4M | +6.1% | 4.96% | 771K | 3.1 |
| 2025-12-15 | 2.3M | -11.0% | 4.68% | 773K | 2.9 |
| 2025-11-28 | 2.5M | -4.4% | 5.26% | 938K | 2.7 |
| 2025-11-14 | 2.7M | +1.3% | 5.50% | 1.7M | 1.5 |
| 2025-10-31 | 2.6M | -1.6% | 5.43% | 968K | 2.7 |
| 2025-10-15 | 2.7M | -4.4% | 5.52% | 1.2M | 2.2 |
| 2025-09-30 | 2.8M | +4.6% | 5.77% | 1.5M | 1.9 |
| 2025-09-15 | 2.7M | +18.1% | 5.52% | 923K | 2.9 |
| 2025-08-29 | 2.3M | -0.2% | 4.67% | 914K | 2.5 |
| 2025-08-15 | 2.3M | -4.2% | 4.68% | 1.2M | 1.8 |