Alector, Inc.
ALEC- 交易所
- Nasdaq
- 產業
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001653087
近 90 天，Alector, Inc. 內部人申報 0 筆公開市場買進、3 筆賣出；2026 年第 2 季末有 140 家機構在 13F 申報持有，市值合計 $1.83 億；沒有大師持有。
持有 ALEC 5% 以上的大股東
最新一份 Schedule 13D 或 13G 申報持有 Alector, Inc. 5% 以上的持有人，依持股比例由大到小；變化是跟這位持有人的上一份申報比。
| 持有人 | 最新表單 | 持股 | 變化 | 首次申報 | 最新申報 | 原文 |
|---|---|---|---|---|---|---|
| TCG Crossover GP II, LLC | 13G | 9.20%股數 1,000 萬 | 新申報 | 2025/11/141 份 | 2025/11/14 | SEC |
| Deep Track Capital, LP | 13G | 8.61%股數 1,277 萬 | 新申報 | 2026/10/231 份 | 2026/10/23 | SEC |
| Biotechnology Value Fund L P | 13G | 8.40%股數 937.4 萬 | 新申報 | 2026/9/181 份 | 2026/9/18 | SEC |
| Rosenthal Arnon | 13G/A | 7.40%股數 821.4 萬 | – | 2022/2/144 份 | 2026/2/6 | SEC |
| BlackRock, Inc. | 13G | 5.20%股數 578.4 萬 | +0.50 個百分點原本 4.70% | 2025/4/174 份 | 2026/4/27 | SEC |
| Ra Capital Management, L.P. | 13G | 5.10%股數 750.0 萬 | +5.10 個百分點原本 0.00% | 2024/12/63 份 | 2026/10/26 | SEC |
持股是每位持有人最新一份申報的數字。最後一份是舊格式（2024 年 12 月 18 日以前）的持有人沒有持股比例紀錄，不列在這裡；公司被收購或下市之後，持有人通常就不再申報。
13D 與 13G 申報
Alector, Inc. 的 47 份 Schedule 13D、13G 申報，由新到舊，包括沒有持股比例的舊格式申報。
| 申報時間（美東） | 申報人 | 表單 | 持股 | 變化 | 事件日 | 原文 |
|---|---|---|---|---|---|---|
| 2026/10/2616:18 ET | Ra Capital Management, L.P.等 4 位 | 13G | 5.10%股數 750.0 萬 | +5.10 個百分點原本 0.00% | 2026/10/19 | SEC |
| 2026/10/2316:01 ET | Deep Track Capital, LP等 3 位 | 13G | 8.61%股數 1,277 萬 | 新申報 | 2026/10/16 | SEC |
| 2026/9/1816:57 ET | Biotechnology Value Fund L P等 10 位 | 13G | 8.40%股數 937.4 萬 | 新申報 | 2026/9/11 | SEC |
| 2026/5/1416:57 ET | Polaris Venture Partners VI, L.P.等 11 位 | 13G/A | 4.70%股數 517.3 萬 | −1.80 個百分點原本 6.50%低於 5% | 2026/3/31 | SEC |
| 2026/4/2716:12 ET | BlackRock, Inc. | 13G | 5.20%股數 578.4 萬 | +0.50 個百分點原本 4.70% | 2026/3/31 | SEC |
| 2026/3/2615:24 ET | Vanguard Group Inc | 13G/A | 0.00%股數 0 | −6.32 個百分點原本 6.32%低於 5% | 2026/3/13 | SEC |
| 2026/2/1708:23 ET | RTW Investments, LP等 2 位 | 13G/A | 0.00%股數 0 | −6.90 個百分點原本 6.90%低於 5% | 2025/12/31 | SEC |
| 2026/2/616:30 ET | Rosenthal Arnon | 13G/A | 7.40%股數 821.4 萬 | – | 2025/12/31 | SEC |
| 2026/1/3013:26 ET | Vanguard Group Inc | 13G/A | 6.32%股數 690.8 萬 | – | 2025/12/31 | SEC |
| 2026/1/2112:30 ET | BlackRock, Inc. | 13G/A | 4.70%股數 518.0 萬 | −0.40 個百分點原本 5.10%低於 5% | 2025/12/31 | SEC |
| 2025/11/1416:18 ET | TCG Crossover GP II, LLC等 5 位 | 13G | 9.20%股數 1,000 萬 | 新申報 | 2025/10/22 | SEC |
| 2025/11/1408:18 ET | RTW Investments, LP等 2 位 | 13G | 6.90%股數 699.1 萬 | 新申報 | 2025/9/30 | SEC |
| 2025/11/1316:41 ET | Polaris Venture Partners VI, L.P.等 11 位 | 13G/A | 6.50%股數 709.5 萬 | – | 2025/9/30 | SEC |
| 2025/11/711:13 ET | FMR LLC等 2 位 | 13G/A | 3.60%股數 360.0 萬 | –低於 5% | 2025/10/31 | SEC |
| 2025/10/1718:40 ET | BlackRock, Inc. | 13G/A | 5.10%股數 520.1 萬 | −1.10 個百分點原本 6.20% | 2025/9/30 | SEC |
| 2025/8/1417:54 ET | Ra Capital Management, L.P.等 4 位 | 13G/A | 0.00%股數 0 | –低於 5% | 2025/6/30 | SEC |
| 2025/4/1709:35 ET | BlackRock, Inc. | 13G/A | 6.20%股數 611.7 萬 | – | 2025/3/31 | SEC |
| 2024/12/6 | Ra Capital Management, L.P. | 13G舊制 | – | 新申報 | – | SEC |
| 2024/11/12 | Polaris Venture Partners VI, L.P. | 13G/A舊制 | – | – | – | SEC |
| 2024/11/7 | Morgan Stanley | 13G/A舊制 | – | – | – | SEC |
| 2024/2/13 | Vanguard Group Inc | 13G/A舊制 | – | – | – | SEC |
| 2024/2/12 | Morgan Stanley | 13G舊制 | – | 新申報 | – | SEC |
| 2024/2/9 | Polaris Venture Partners VI, L.P. | 13G/A舊制 | – | – | – | SEC |
| 2024/2/9 | FMR LLC | 13G/A舊制 | – | – | – | SEC |
| 2024/2/8 | Rosenthal Arnon | 13G舊制 | – | – | – | SEC |
| 2024/1/2414:27 ET | BlackRock Inc. | 13G/A舊制 | – | – | – | SEC |
| 2023/10/13 | FMR LLC | 13G/A舊制 | – | – | – | SEC |
| 2023/2/10 | Rosenthal Arnon | 13G/A舊制 | – | – | – | SEC |
| 2023/2/10 | EcoR1 Capital, LLC | 13G/A舊制 | – | – | – | SEC |
| 2023/2/910:29 ET | Federated Hermes, Inc. | 13G/A舊制 | – | – | – | SEC |
| 2023/2/9 | Vanguard Group Inc | 13G/A舊制 | – | – | – | SEC |
| 2023/2/9 | FMR LLC | 13G/A舊制 | – | – | – | SEC |
| 2023/2/7 | Polaris Venture Partners VI, L.P. | 13G/A舊制 | – | – | – | SEC |
| 2023/2/109:41 ET | Federated Hermes, Inc. | 13G/A舊制 | – | – | – | SEC |
| 2023/1/2510:36 ET | BlackRock Inc. | 13G/A舊制 | – | – | – | SEC |
| 2022/2/1413:31 ET | Federated Hermes, Inc. | 13G/A舊制 | – | – | – | SEC |
| 2022/2/14 | Rosenthal Arnon | 13G舊制 | – | 新申報 | – | SEC |
| 2022/2/14 | EcoR1 Capital, LLC | 13G/A舊制 | – | – | – | SEC |
| 2022/2/11 | Polaris Venture Partners VI, L.P. | 13G/A舊制 | – | – | – | SEC |
| 2022/2/9 | Vanguard Group Inc | 13G/A舊制 | – | – | – | SEC |
| 2022/2/9 | FMR LLC | 13G舊制 | – | 新申報 | – | SEC |
| 2022/2/316:29 ET | BlackRock Inc. | 13G/A舊制 | – | – | – | SEC |
| 2021/7/12 | EcoR1 Capital, LLC | 13G舊制 | – | 新申報 | – | SEC |
| 2021/2/1213:16 ET | Federated Hermes, Inc. | 13G/A舊制 | – | – | – | SEC |
| 2021/2/12 | Polaris Venture Partners VI, L.P. | 13G/A舊制 | – | – | – | SEC |
| 2021/2/10 | Vanguard Group Inc | 13G舊制 | – | 新申報 | – | SEC |
| 2021/2/215:13 ET | BlackRock Inc. | 13G舊制 | – | 新申報 | – | SEC |
Form 144：內部人預計賣出
高階主管、董事與其他關係人預計賣出 Alector, Inc. 股票的 65 份通知，由新到舊。
| 申報時間（美東） | 賣方 | 預計賣出股數 | 市值 | 預計賣出日 | 券商 | 原文 |
|---|---|---|---|---|---|---|
| 2026/9/416:05 ET | Grace Wong-Sarad高階主管 | 3,625 | $9,094.4 | 2026/9/410b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/9/217:09 ET | Grace Wong-Sarad高階主管 | 656 | $1,804 | 2026/9/210b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/9/120:00 ET | Grace Wong-Sarad高階主管 | 5,662 | $1.36 萬 | 2026/9/2 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/9/120:00 ET | Arnon Rosenthal高階主管 · 董事 | 7.97 萬 | $19.1 萬 | 2026/9/2 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/9/120:00 ET | Neil L. Berkley高階主管 | 3.21 萬 | $7.70 萬 | 2026/9/2 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/6/316:23 ET | Grace Wong-Sarad高階主管 | 3,475 | $6,542.73 | 2026/6/310b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/6/119:00 ET | Neil L. Berkley高階主管 | 1.82 萬 | $3.77 萬 | 2026/6/2 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/6/119:00 ET | Grace Wong-Sarad高階主管 | 5,239 | $1.08 萬 | 2026/6/2 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/6/119:00 ET | Arnon Rosenthal高階主管 · 董事 | 6.76 萬 | $14.0 萬 | 2026/6/2 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/4/1616:31 ET | Grace Wong-Sarad高階主管 | 1,820 | $4,823 | 2026/4/1610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/3/1017:16 ET | Grace Wong-Sarad高階主管 | 1,000 | $2,650 | 2026/3/1010b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/3/317:08 ET | Grace Wong-Sarad高階主管 | 3,367 | $7,012.11 | 2026/3/310b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/2/2718:10 ET | Neil L. Berkley高階主管 | 2.32 萬 | $5.63 萬 | 2026/3/2 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/2/2718:10 ET | Arnon Rosenthal高階主管 · 董事 | 6.76 萬 | $16.4 萬 | 2026/3/2 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/2/2718:10 ET | Grace Wong-Sarad高階主管 | 6,297 | $1.53 萬 | 2026/3/2 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/2/2616:29 ET | Grace Wong-Sarad高階主管 | 4,079 | $1.02 萬 | 2026/2/2610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2025/12/516:09 ET | Grace Wong-Sarad高階主管 | 4,753 | $5,751.13 | 2025/12/510b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2025/12/119:53 ET | Arnon Rosenthal高階主管 · 董事 | 9.24 萬 | $11.4 萬 | 2025/12/1 | Morgan Stanley Smith Barney LLC Executive Services | SEC |
| 2025/12/119:50 ET | Neil L. Berkley高階主管 | 3.30 萬 | $4.06 萬 | 2025/12/1 | Morgan Stanley Smith Barney LLC Executive Services | SEC |
| 2025/12/119:49 ET | Grace Wong-Sarad高階主管 | 7,085 | $8,714.55 | 2025/12/1 | Morgan Stanley Smith Barney LLC Executive Services | SEC |
| 2025/12/119:48 ET | Sara Kenkare-Mitra高階主管 | 3.69 萬 | $4.54 萬 | 2025/12/1 | Morgan Stanley Smith Barney LLC Executive Services | SEC |
| 2025/8/2918:25 ET | Neil L. Berkley高階主管 | 1.54 萬 | $3.63 萬 | 2025/9/2 | Morgan Stanley Smith Barney LLC Executive Services | SEC |
| 2025/8/2918:23 ET | Arnon Rosenthal高階主管 · 董事 | 5.02 萬 | $11.8 萬 | 2025/9/2 | Morgan Stanley Smith Barney LLC Executive Services | SEC |
| 2025/8/2918:20 ET | Grace Wong-Sarad高階主管 | 5,717 | $1.34 萬 | 2025/9/2 | Morgan Stanley Smith Barney LLC Executive Services | SEC |
| 2025/8/2918:17 ET | Sara Kenkare-Mitra高階主管 | 2.30 萬 | $5.41 萬 | 2025/9/2 | Morgan Stanley Smith Barney LLC Executive Services | SEC |
只列最新的 25 份。看 ALEC 近 12 個月的全部通知