The Vanguard Group 13D and 13G filings for Quanterix Corporation:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2025-04-30 11:13 am Purchase | 2025-03-31 | 13G | Quanterix Corporation QTRX | The Vanguard Group | 2,525,679 6.510% | 470,646 (+22.90%) | Filing |
| 2024-02-13 5:12 pm Purchase | 2023-12-29 | 13G | Quanterix Corporation QTRX | The Vanguard Group | 2,055,033 5.430% | 2,055,033 (New Position) | Filing |