Proto Labs Inc
PRLB- 交易所
- NYSE
- 產業
- Fabricated Structural Metal Products
- SEC CIK
- 0001443669
近 90 天，Proto Labs Inc 內部人申報 2 筆公開市場買進、2 筆賣出；2026 年第 2 季末有 280 家機構在 13F 申報持有，市值合計 $18.3 億；大師中只有方舟投資持有。
持有 PRLB 5% 以上的大股東
最新一份 Schedule 13D 或 13G 申報持有 Proto Labs 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 |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 15.00%股數 355.4 萬 | – | 2024/10/183 份 | 2025/7/17 | SEC |
| Disciplined Growth Investors Inc | 13G/A | 10.00%股數 238.1 萬 | −0.50 個百分點原本 10.50% | 2022/2/1511 份 | 2026/8/14 | SEC |
| Vanguard Portfolio Management LLC | 13G | 6.51%股數 154.9 萬 | 新申報 | 2026/4/291 份 | 2026/4/29 | SEC |
| Vanguard Capital Management LLC | 13G | 5.10%股數 121.4 萬 | 新申報 | 2026/4/301 份 | 2026/4/30 | 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
Proto Labs Inc 的 43 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 |
|---|---|---|---|---|---|---|
| 2026/8/1415:55 ET | Disciplined Growth Investors Inc | 13G/A | 10.00%股數 238.1 萬 | −0.50 個百分點原本 10.50% | 2026/6/30 | SEC |
| 2026/7/1413:27 ET | Dimensional Fund Advisors LP | 13G/A | 4.80%股數 115.2 萬 | −0.50 個百分點原本 5.30%低於 5% | 2026/6/30 | SEC |
| 2026/5/1516:26 ET | Disciplined Growth Investors Inc | 13G/A | 10.50%股數 249.7 萬 | −0.80 個百分點原本 11.30% | 2026/3/31 | SEC |
| 2026/4/3012:07 ET | Vanguard Capital Management LLC | 13G | 5.10%股數 121.4 萬 | 新申報 | 2026/3/31 | SEC |
| 2026/4/2914:49 ET | Vanguard Portfolio Management LLC | 13G | 6.51%股數 154.9 萬 | 新申報 | 2026/3/31 | SEC |
| 2026/3/2711:36 ET | Vanguard Group Inc | 13G/A | 0.00%股數 0 | –低於 5% | 2026/3/13 | SEC |
| 2026/2/1716:38 ET | Disciplined Growth Investors Inc | 13G/A | 11.30%股數 267.4 萬 | +0.40 個百分點原本 10.90% | 2025/12/31 | SEC |
| 2025/11/1415:59 ET | Disciplined Growth Investors Inc | 13G/A | 10.90%股數 259.2 萬 | −0.50 個百分點原本 11.40% | 2025/9/30 | SEC |
| 2025/8/1419:25 ET | Disciplined Growth Investors Inc | 13G/A | 11.40%股數 272.2 萬 | +0.20 個百分點原本 11.20% | 2025/6/30 | SEC |
| 2025/7/1720:12 ET | BlackRock, Inc. | 13G/A | 15.00%股數 355.4 萬 | – | 2025/6/30 | SEC |
| 2025/5/1516:26 ET | Disciplined Growth Investors Inc | 13G/A | 11.20%股數 267.1 萬 | +2.30 個百分點原本 8.90% | 2025/3/31 | SEC |
| 2025/2/1415:07 ET | Disciplined Growth Investors Inc | 13G/A | 8.90%股數 217.4 萬 | +0.50 個百分點原本 8.40% | 2024/12/31 | SEC |
| 2025/1/2315:55 ET | Dimensional Fund Advisors LP | 13G | 5.30%股數 130.1 萬 | 新申報 | 2024/12/31 | SEC |
| 2024/11/1416:36 ET | Disciplined Growth Investors Inc | 13G/A | 8.40%股數 205.7 萬 | – | 2024/9/30 | SEC |
| 2024/11/8 | BlackRock, Inc. | 13G/A舊制 | – | – | – | SEC |
| 2024/10/18 | BlackRock, Inc. | 13G/A舊制 | – | – | – | SEC |
| 2024/2/14 | Disciplined Growth Investors Inc | 13G/A舊制 | – | – | – | SEC |
| 2024/2/13 | Vanguard Group Inc | 13G/A舊制 | – | – | – | SEC |
| 2024/1/2214:03 ET | BlackRock Inc. | 13G/A舊制 | – | – | – | SEC |
| 2023/2/14 | Brown Capital Management LLC | 13G/A舊制 | – | – | – | SEC |
| 2023/2/14 | Disciplined Growth Investors Inc | 13G/A舊制 | – | – | – | SEC |
| 2023/2/9 | Vanguard Group Inc | 13G/A舊制 | – | – | – | SEC |
| 2023/1/2315:52 ET | BlackRock Inc. | 13G/A舊制 | – | – | – | SEC |
| 2022/3/9 | Vanguard Group Inc | 13G/A舊制 | – | – | – | SEC |
| 2022/2/15 | Disciplined Growth Investors Inc | 13G舊制 | – | 新申報 | – | SEC |
| 2022/2/14 | Brown Capital Management LLC | 13G/A舊制 | – | – | – | SEC |
| 2022/2/14 | Nikko Asset Management Americas, Inc. | 13G/A舊制 | – | – | – | SEC |
| 2022/2/14 | Harding Loevner LP | 13G/A舊制 | – | – | – | SEC |
| 2022/2/10 | Vanguard Group Inc | 13G/A舊制 | – | – | – | SEC |
| 2022/2/4 | Sumitomo Mitsui Trust Holdings, Inc. | 13G/A舊制 | – | – | – | SEC |
| 2022/1/2717:13 ET | BlackRock Inc. | 13G/A舊制 | – | – | – | SEC |
| 2022/1/2609:17 ET | BlackRock Inc. | 13G/A舊制 | – | – | – | SEC |
| 2022/1/21 | Riverbridge Partners LLC | 13G/A舊制 | – | – | – | SEC |
| 2022/1/21 | Riverbridge Partners LLC | 13G/A舊制 | – | – | – | SEC |
| 2021/6/10 | Brown Capital Management LLC | 13G/A舊制 | – | – | – | SEC |
| 2021/2/16 | ARK Investment Management LLC大師方舟投資 | 13G/A舊制 | – | – | – | SEC |
| 2021/2/16 | Harding Loevner LP | 13G舊制 | – | 新申報 | – | SEC |
| 2021/2/12 | Brown Capital Management LLC | 13G/A舊制 | – | – | – | SEC |
| 2021/2/11 | Nikko Asset Management Americas, Inc. | 13G舊制 | – | 新申報 | – | SEC |
| 2021/2/10 | Vanguard Group Inc | 13G/A舊制 | – | – | – | SEC |
| 2021/2/5 | Sumitomo Mitsui Trust Holdings, Inc. | 13G舊制 | – | 新申報 | – | SEC |
| 2021/1/2516:49 ET | BlackRock Inc. | 13G舊制 | – | 新申報 | – | SEC |
| 2021/1/25 | Riverbridge Partners LLC | 13G/A舊制 | – | – | – | 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 Proto Labs Inc 股票的 18 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 |
|---|---|---|---|---|---|---|
| 2026/9/2516:21 ET | Michael R Kenison前高階主管 | 1,143 | $10.9 萬 | 2026/9/25 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/9/2416:42 ET | Daniel Schumacher高階主管 | 5,000 | $44.6 萬 | 2026/9/2410b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/9/2416:17 ET | Michael R Kenison前高階主管 | 1,800 | $17.3 萬 | 2026/9/24 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/9/1716:28 ET | Daniel Schumacher高階主管 | 4,900 | $40.8 萬 | 2026/9/1710b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/9/1616:31 ET | Daniel Schumacher高階主管 | 100 | $7,909 | 2026/9/1610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/8/416:38 ET | Michael R Kenison前高階主管 | 1.08 萬 | $94.8 萬 | 2026/8/4 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/6/116:13 ET | Wehrwein Sven董事 | 2,000 | $15.2 萬 | 2026/6/1 | FIDELITY BROKERAGE SERVICES, LLC | SEC |
| 2026/5/1216:18 ET | Michael R Kenison高階主管 | 1.60 萬 | $111.4 萬 | 2026/5/12 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/5/1116:38 ET | Michael Kenison高階主管 | 7,433 | $51.5 萬 | 2026/5/1110b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/5/716:19 ET | Michael Kenison高階主管 | 200 | $1.38 萬 | 2026/5/710b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/2/616:21 ET | Michael Kenison高階主管 | 7,500 | $39.4 萬 | 2026/2/610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/1/1616:15 ET | Oleg Ryaboy前高階主管 | 368 | $2.02 萬 | 2026/1/16 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/1/1516:37 ET | Oleg Ryaboy前高階主管 | 7,178 | $39.3 萬 | 2026/1/15 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/1/816:05 ET | Oleg Ryaboy前高階主管 | 7,026 | $38.4 萬 | 2026/1/8 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2026/1/716:04 ET | Oleg Ryaboy前高階主管 | 6,669 | $35.7 萬 | 2026/1/7 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2025/11/2516:53 ET | Oleg Ryaboy前高階主管 | 695 | $3.47 萬 | 2025/11/25 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2025/11/2516:25 ET | Michael Kenison高階主管 | 3,048 | $15.0 萬 | 2025/11/2510b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| 2025/11/717:35 ET | Oleg Ryaboy前高階主管 | 9,710 | $47.2 萬 | 2025/11/7 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |