SCHEDULE: Portolan Capital Management Adjusts Quanterix Stake
Beneficial Ownership Filing
Portolan Capital Management, LLC and George McCabe have reported a change in their beneficial ownership of Quanterix Corp. common stock, now holding 4.02%.
Summary
- Portolan Capital Management, LLC, an investment adviser, and its manager George McCabe have filed an amendment to their Schedule 13G.
- This filing indicates a change in their beneficial ownership of Quanterix Corp. common stock.
- The reporting persons now beneficially own 1,899,308 shares of common stock.
- This represents 4.02% of the class of securities.
- The filing is made pursuant to Rule 13d-1(b) as Portolan Capital Management, LLC is an investment adviser.
- The shares were not acquired or held for the purpose of changing or influencing control of the issuer.
Sentiment
Score: 5
Explanation: StockSavvy.ai views this as a neutral filing, primarily reporting a change in beneficial ownership percentage without significant new strategic or financial information.
Positives
- Portolan Capital Management, LLC, a registered investment adviser, is the reporting person, indicating professional management of the stake.
- The reporting persons hold a significant stake of 4.02%, suggesting a notable investment in Quanterix Corp.
Negatives
- The filing does not provide specific details on the transactions that led to the change in ownership percentage.
- No new strategic insights or financial performance data are disclosed in this filing.
Risks
- The filing does not explicitly mention any new risks or changes to existing risk factors for Quanterix Corp.
Future Outlook
No forward-looking statements or guidance are provided in this filing.
Management Comments
- "By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under 240.14a-11."
- "After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct."
Industry Context
StockSavvy.ai notes that Schedule 13G filings are common for institutional investors and investment advisers reporting significant stakes. This filing indicates Portolan Capital Management's continued or adjusted investment in the biotechnology or diagnostics sector where Quanterix operates, but without further context on the specific reasons for the change, its broader industry implications are limited.
Stakeholder Impact
- Shareholders: The change in beneficial ownership by a significant investment adviser may signal continued institutional interest or a rebalancing of the portfolio, which could influence market perception.
Key Dates
| Date | Description |
|---|---|
| 2026-06-30 | Date of Event Which Requires Filing of this Statement |
| 2026-08-14 | Date of Certification and Signature |
Keywords
beneficial ownership, Schedule 13G, investment adviser, common stock, Quanterix Corp, Portolan Capital Management, George McCabe
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