PRTA
PROTHENA CORP PUBLIC LTD CO
+0.27 (+3.28%)8.51USD119K成交股數437M市值–本益比(近四季)8.0股價營收比-77.2%營收年增(近四季)2026-11-05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 | 4 · 1.0M · 1 |
|---|---|
| 近 90 天 賣出筆數 · 金額 · 人數 | 2 · 136K · 2 |
| 其中 10b5-1 計畫賣出 | 2 筆 |
| 近 180 天 買進 · 賣出金額 | 4.1M · 136K |
| 近 180 天 淨額 | 4.0M |
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 |
|---|---|---|---|---|---|---|---|---|---|
| 2026-09-02 | 09-03 | SCULLY WILLIAM P | TenPercentOwner | P 公開市場買進 | 27.0K | 9.47 | 256K | 827K | SEC |
| 2026-08-20 | 08-21 | SCULLY WILLIAM P | TenPercentOwner | P 公開市場買進 | 50.0K | 8.79 | 439K | 800K | SEC |
| 2026-08-18 | 08-18 | SCULLY WILLIAM P | TenPercentOwner | G 贈與 | 628K | – | – | 750K | SEC |
| 2026-08-17 | 08-18 | SCULLY WILLIAM P | TenPercentOwner | G 贈與 | 336K | – | – | 1.4M | SEC |
| 2026-08-10 | 08-11 | SCULLY WILLIAM P | TenPercentOwner | G 贈與 | 252K | – | – | 1.0M | SEC |
| 2026-08-07 | 08-10 | SCULLY WILLIAM P | TenPercentOwner | P 公開市場買進 | 34.0K | 8.62 | 293K | 790K | SEC |
| 2026-08-07 | 08-10 | SCULLY WILLIAM P | TenPercentOwner | P 公開市場買進 | 3.5K | 8.62 | 30K | 83.5K | SEC |
| 2026-07-29 | 07-30 | Isaacs Michael John | General Counsel & Company Sec. | S 公開市場賣出(10b5-1) | 8.4K | 8.47 | 71K | 35.7K | SEC |
| 2026-07-29 | 07-30 | Kingston Anne Evans | Chief Strategy Officer | S 公開市場賣出(10b5-1) | 7.7K | 8.47 | 65K | 55.8K | SEC |
| 2026-07-28 | 07-30 | Kinney Gene G. | President and CEO | M 選擇權執行 | 84.0K | – | – | 153K | SEC |
| 2026-07-28 | 07-30 | Zago Wagner M. | Chief Scientific Officer | D 處分 | 51.0K | 8.56 | 437K | 34.0K | SEC |
| 2026-07-28 | 07-30 | Walker Karin L | Chief Accounting Officer | D 處分 | 15.0K | 8.56 | 128K | 10.0K | SEC |
| 2026-07-28 | 07-30 | Nguyen Tran | Chief Strategy Officer and CFO | M 選擇權執行 | 57.0K | – | – | 97.2K | SEC |
| 2026-07-28 | 07-30 | Kingston Anne Evans | Chief Strategy Officer | F 繳稅扣股 | 3.5K | 8.56 | 30K | 63.4K | SEC |
| 2026-07-28 | 07-30 | Swanson Chad J. | Chief Development Officer | F 繳稅扣股 | 3.5K | 8.56 | 30K | 40.7K | SEC |
| 2026-07-28 | 07-30 | Isaacs Michael John | General Counsel & Company Sec. | F 繳稅扣股 | 4.7K | 8.56 | 40K | 44.1K | SEC |
| 2026-07-28 | 07-30 | Swanson Chad J. | Chief Development Officer | M 選擇權執行 | 51.0K | – | – | 85.0K | SEC |
| 2026-07-28 | 07-30 | Nguyen Tran | Chief Strategy Officer and CFO | D 處分 | 57.0K | 8.56 | 488K | 40.2K | SEC |
| 2026-07-28 | 07-30 | Swanson Chad J. | Chief Development Officer | D 處分 | 40.8K | 8.56 | 349K | 44.2K | SEC |
| 2026-07-28 | 07-30 | Walker Karin L | Chief Accounting Officer | M 選擇權執行 | 15.0K | – | – | 25.0K | SEC |
| 2026-07-28 | 07-30 | Smith Brandon S. | Chief Operating Officer | M 選擇權執行 | 78.0K | – | – | 130K | SEC |
| 2026-07-28 | 07-30 | Zago Wagner M. | Chief Scientific Officer | M 選擇權執行 | 51.0K | – | – | 85.0K | SEC |
| 2026-07-28 | 07-30 | Smith Brandon S. | Chief Operating Officer | D 處分 | 78.0K | 8.56 | 668K | 52.0K | SEC |
| 2026-07-28 | 07-30 | Kinney Gene G. | President and CEO | D 處分 | 84.0K | 8.56 | 719K | 68.8K | SEC |
| 2026-06-16 | 06-18 | SCULLY WILLIAM P | TenPercentOwner | P 公開市場買進 | 20.0K | 7.90 | 158K | 756K | SEC |
| 2026-06-15 | 06-16 | SCULLY WILLIAM P | TenPercentOwner | G 贈與 | 325K | – | – | 736K | SEC |
| 2026-06-11 | 06-12 | SCULLY WILLIAM P | TenPercentOwner | P 公開市場買進 | 125K | 8.17 | 1.0M | 1.1M | SEC |
| 2026-06-04 | 06-05 | SCULLY WILLIAM P | TenPercentOwner | P 公開市場買進 | 50.0K | 9.31 | 466K | 936K | SEC |
| 2026-06-02 | 06-03 | SCULLY WILLIAM P | TenPercentOwner | P 公開市場買進 | 50.0K | 9.43 | 472K | 886K | SEC |
| 2026-05-22 | 05-26 | SCULLY WILLIAM P | TenPercentOwner | P 公開市場買進 | 100K | 9.81 | 981K | 836K | SEC |
| 2025-07-28 | 07-30 | Walker Karin L | Chief Accounting Officer | A 獲配股票 | 25.0K | – | – | 25.0K | SEC |
| 2025-07-28 | 07-30 | Nguyen Tran | Chief Strategy Officer and CFO | A 獲配股票 | 95.0K | – | – | 97.2K | SEC |
| 2025-07-28 | 07-30 | Malecek Michael J | Chief Legal Officer | A 獲配股票 | 80.0K | – | – | 80.0K | SEC |
| 2025-07-28 | 07-30 | Zago Wagner M. | Chief Scientific Officer | A 獲配股票 | 85.0K | – | – | 85.0K | SEC |
| 2025-07-28 | 07-30 | Swanson Chad J. | Chief Development Officer | A 獲配股票 | 85.0K | – | – | 85.0K | SEC |
| 2025-07-28 | 07-30 | Kinney Gene G. | President and CEO | A 獲配股票 | 140K | – | – | 153K | SEC |
| 2025-07-28 | 07-30 | Smith Brandon S. | Chief Operating Officer | A 獲配股票 | 130K | – | – | 130K | SEC |
| 2025-05-06 | 05-06 | EcoR1 Capital, LLC | TenPercentOwner | S 公開市場賣出 | 2.0M | 7.64 | 15.2M | 5.3M | SEC |
| 2025-05-05 | 05-06 | EcoR1 Capital, LLC | TenPercentOwner | S 公開市場賣出 | 978K | 8.11 | 7.9M | 7.3M | SEC |
| 2025-05-02 | 05-06 | EcoR1 Capital, LLC | TenPercentOwner | S 公開市場賣出 | 3.3M | 8.36 | 27.7M | 8.3M | SEC |
| 2025-01-15 | 05-02 | SCULLY WILLIAM P | TenPercentOwner | G 贈與 | 12.0K | – | – | 47.0K | SEC |
| 2025-01-14 | 05-02 | SCULLY WILLIAM P | TenPercentOwner | P 公開市場買進 | 100K | 12.79 | 1.3M | 736K | SEC |
| 2025-01-03 | 05-02 | SCULLY WILLIAM P | TenPercentOwner | G 贈與 | 1.0K | – | – | 636K | SEC |
| 2025-01-02 | 05-02 | SCULLY WILLIAM P | TenPercentOwner | G 贈與 | 13.2K | – | – | 637K | SEC |
| 2024-12-31 | 05-02 | SCULLY WILLIAM P | TenPercentOwner | P 公開市場買進 | 30.0K | 12.99 | 390K | 650K | SEC |
| 2024-12-31 | 05-02 | SCULLY WILLIAM P | TenPercentOwner | P 公開市場買進 | 800 | 13.39 | 11K | 620K | SEC |
| 2024-12-31 | 05-02 | SCULLY WILLIAM P | TenPercentOwner | P 公開市場買進 | 1.2K | 13.37 | 16K | 619K | SEC |
| 2024-12-20 | 05-02 | SCULLY WILLIAM P | TenPercentOwner | G 贈與 | 40.0K | – | – | 59.0K | SEC |
| 2024-12-20 | 05-02 | SCULLY WILLIAM P | TenPercentOwner | G 贈與 | 500 | – | – | 618K | SEC |
| 2024-12-20 | 05-02 | SCULLY WILLIAM P | TenPercentOwner | P 公開市場買進 | 2.0K | 15.91 | 32K | 619K | SEC |
| 2024-12-19 | 05-02 | SCULLY WILLIAM P | TenPercentOwner | G 贈與 | 681K | – | – | 617K | SEC |
| 2024-12-18 | 05-02 | SCULLY WILLIAM P | TenPercentOwner | G 贈與 | 430K | – | – | 1.2M | SEC |
| 2024-12-18 | 05-02 | SCULLY WILLIAM P | TenPercentOwner | P 公開市場買進 | 73.4K | 13.93 | 1.0M | 1.3M | SEC |
| 2024-01-24 | 01-24 | Walker Karin L | Chief Accounting Officer | S 公開市場賣出(10b5-1) | 5.0K | 34.00 | 170K | 0 | SEC |
| 2024-01-24 | 01-24 | Walker Karin L | Chief Accounting Officer | M 選擇權執行 | 5.0K | 13.53 | 68K | 5.0K | SEC |
| 2023-12-20 | 12-20 | Walker Karin L | Chief Accounting Officer | M 選擇權執行 | 5.0K | 13.53 | 68K | 5.0K | SEC |
| 2023-12-20 | 12-20 | Walker Karin L | Chief Accounting Officer | S 公開市場賣出(10b5-1) | 1.7K | 36.68 | 62K | 3.3K | SEC |
| 2023-12-20 | 12-20 | Walker Karin L | Chief Accounting Officer | S 公開市場賣出(10b5-1) | 3.3K | 37.45 | 124K | 0 | SEC |
| 2023-11-30 | 11-30 | Walker Karin L | Chief Accounting Officer | S 公開市場賣出(10b5-1) | 5.0K | 34.00 | 170K | 0 | SEC |
| 2023-11-30 | 11-30 | Walker Karin L | Chief Accounting Officer | M 選擇權執行 | 5.0K | 13.53 | 68K | 5.0K | SEC |
| 2023-10-25 | 10-25 | Walker Karin L | Chief Accounting Officer | S 公開市場賣出(10b5-1) | 1.8K | 40.27 | 72K | 3.2K | SEC |
| 2023-10-25 | 10-25 | Walker Karin L | Chief Accounting Officer | M 選擇權執行 | 5.0K | 13.53 | 68K | 5.0K | SEC |
| 2023-10-25 | 10-25 | Walker Karin L | Chief Accounting Officer | S 公開市場賣出(10b5-1) | 2.9K | 41.38 | 121K | 294 | SEC |
| 2023-10-25 | 10-25 | Walker Karin L | Chief Accounting Officer | S 公開市場賣出(10b5-1) | 294 | 42.28 | 12K | 0 | SEC |
| 2023-10-11 | 10-11 | Smith Brandon S. | Chief Operating Officer | S 公開市場賣出(10b5-1) | 444 | 47.74 | 21K | 0 | SEC |
| 2023-10-11 | 10-11 | Smith Brandon S. | Chief Operating Officer | S 公開市場賣出(10b5-1) | 3.6K | 46.62 | 166K | 444 | SEC |
| 2023-10-11 | 10-11 | Smith Brandon S. | Chief Operating Officer | M 選擇權執行 | 4.0K | 11.12 | 44K | 4.0K | SEC |
| 2023-10-04 | 10-04 | Karp Carol D. | Chief Regulatory Officer | S 公開市場賣出(10b5-1) | 4.3K | 46.51 | 202K | 663 | SEC |
| 2023-10-04 | 10-04 | Karp Carol D. | Chief Regulatory Officer | M 選擇權執行 | 5.0K | 12.15 | 61K | 5.0K | SEC |
| 2023-10-04 | 10-04 | Karp Carol D. | Chief Regulatory Officer | S 公開市場賣出(10b5-1) | 663 | 47.29 | 31K | 0 | SEC |
| 2023-09-27 | 09-27 | Malecek Michael J | Chief Legal Officer | M 選擇權執行 | 5.0K | 10.27 | 51K | 5.0K | SEC |
| 2023-09-27 | 09-27 | Malecek Michael J | Chief Legal Officer | S 公開市場賣出(10b5-1) | 4.6K | 47.29 | 217K | 404 | SEC |
| 2023-09-27 | 09-27 | Malecek Michael J | Chief Legal Officer | S 公開市場賣出(10b5-1) | 404 | 48.31 | 20K | 0 | SEC |
| 2023-09-19 | 09-19 | Walker Karin L | Chief Accounting Officer | S 公開市場賣出(10b5-1) | 5.0K | 52.36 | 262K | 0 | SEC |
| 2023-09-19 | 09-19 | Walker Karin L | Chief Accounting Officer | M 選擇權執行 | 5.0K | 15.04 | 75K | 5.0K | SEC |
| 2023-09-13 | 09-13 | Garren Hideki | Chief Medical Officer | M 選擇權執行 | 2.0K | 24.90 | 50K | 2.0K | SEC |
| 2023-09-13 | 09-13 | Smith Brandon S. | Chief Operating Officer | S 公開市場賣出(10b5-1) | 114 | 55.96 | 6K | 0 | SEC |
| 2023-09-13 | 09-13 | Smith Brandon S. | Chief Operating Officer | S 公開市場賣出(10b5-1) | 3.9K | 55.48 | 216K | 114 | SEC |
| 2023-09-13 | 09-13 | Smith Brandon S. | Chief Operating Officer | M 選擇權執行 | 4.0K | 11.12 | 44K | 4.0K | SEC |
| 2023-09-13 | 09-13 | Garren Hideki | Chief Medical Officer | S 公開市場賣出(10b5-1) | 2.0K | 55.48 | 111K | 0 | 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 |
|---|---|---|---|---|
| FMR LLC | 7.2M | 70.5M | 新進 | 新進 |
| Rubric Capital Management LP | 5.0M | 49.0M | 新進 | 新進 |
| BlackRock, Inc. | 4.9M | 47.7M | 新進 | 新進 |
| STATE STREET CORP | 2.4M | 23.4M | 新進 | 新進 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.7M | 16.2M | 新進 | 新進 |
| 德劭 D. E. Shaw & Co., Inc. | 1.6M | 15.8M | 新進 | 新進 |
| ADAR1 Capital Management, LLC | 1.6M | 15.2M | 新進 | 新進 |
| Two Sigma TWO SIGMA INVESTMENTS, LP | 1.3M | 12.4M | 新進 | 新進 |
| Palo Alto Investors LP | 1.1M | 11.2M | 新進 | 新進 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.1M | 11.0M | 新進 | 新進 |
| FEDERATED HERMES, INC. | 1.1M | 10.6M | 新進 | 新進 |
| MORGAN STANLEY | 995K | 9.7M | 新進 | 新進 |
| GOLDMAN SACHS GROUP INC | 980K | 9.6M | 新進 | 新進 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 966K | 9.5M | 新進 | 新進 |
| DIMENSIONAL FUND ADVISORS LP | 906K | 8.9M | 新進 | 新進 |
| Qube Research & Technologies Ltd | 791K | 7.7M | 新進 | 新進 |
| 文藝復興 RENAISSANCE TECHNOLOGIES LLC | 698K | 6.8M | 新進 | 新進 |
| Man Group plc | 678K | 6.6M | 新進 | 新進 |
| Mariner, LLC | 625K | 6.1M | 新進 | 新進 |
| Nuveen, LLC | 557K | 5.5M | 新進 | 新進 |
| VANGUARD CAPITAL MANAGEMENT LLC | 480K | 4.7M | 新進 | 新進 |
| NORTHERN TRUST CORP | 457K | 4.5M | 新進 | 新進 |
| Birchview Capital, LP | 449K | 4.4M | 新進 | 新進 |
| Rangeley Capital, LLC | 417K | 4.1M | 新進 | 新進 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 356K | 3.5M | 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 | 188 +3 |
|---|---|
| 新進 / 出清 / 加碼 / 減碼 | 188 / 0 / 0 / 0 |
| 機構合計持股 · 佔流通股 | 47.3M · 92.2% |
| 合計季末市值 | 445M |
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 | 8.5M |
|---|---|
| 與上期比 | -0.6% |
| 佔流通股數 | 16.55% |
| 日均成交量 | 342K |
| 回補天數 | 24.9 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 | 8.5M | -0.6% | 16.55% | 342K | 24.9 |
| 2026-08-14 | 8.5M | +4.6% | 16.65% | 437K | 19.6 |
| 2026-07-31 | 8.2M | -0.3% | 15.92% | 585K | 14.0 |
| 2026-07-15 | 8.2M | -2.1% | 15.97% | 500K | 16.4 |
| 2026-06-30 | 8.4M | +6.4% | 16.30% | 759K | 11.0 |
| 2026-06-15 | 7.9M | +1.7% | 15.32% | 492K | 16.0 |
| 2026-05-29 | 7.7M | +9.0% | 15.07% | 559K | 13.9 |
| 2026-05-15 | 7.1M | +3.3% | 13.83% | 548K | 13.0 |
| 2026-04-30 | 6.9M | -2.9% | 13.39% | 375K | 18.3 |
| 2026-04-15 | 7.1M | +0.9% | 13.79% | 462K | 15.3 |
| 2026-03-31 | 7.0M | -0.4% | 13.67% | 570K | 12.3 |
| 2026-03-13 | 7.0M | +2.8% | 13.72% | 629K | 11.2 |
| 2026-02-27 | 6.9M | -3.2% | 13.35% | 398K | 17.2 |
| 2026-02-13 | 7.1M | +0.3% | 13.80% | 391K | 18.1 |
| 2026-01-30 | 7.1M | -0.1% | 13.76% | 508K | 13.9 |
| 2026-01-15 | 7.1M | +7.4% | 13.77% | 490K | 14.4 |
| 2025-12-31 | 6.6M | +40.1% | 12.83% | 827K | 8.0 |
| 2025-12-15 | 4.7M | +1.3% | 9.15% | 693K | 6.8 |
| 2025-11-28 | 4.6M | -0.4% | 9.04% | 515K | 9.0 |
| 2025-11-14 | 4.7M | +12.4% | 9.07% | 631K | 7.4 |
| 2025-10-31 | 4.1M | +7.4% | 8.07% | 514K | 8.1 |
| 2025-10-15 | 3.9M | +0.3% | 7.51% | 719K | 5.4 |
| 2025-09-30 | 3.8M | +2.2% | 7.49% | 765K | 5.0 |
| 2025-09-15 | 3.8M | -7.2% | 7.33% | 830K | 4.5 |
| 2025-08-29 | 4.1M | -3.1% | 7.90% | 1.0M | 3.9 |
| 2025-08-15 | 4.2M | -4.3% | 8.15% | 1.3M | 3.3 |