Quanterix Corp: First Eagle Investment Management, LLC amends Schedule 13G stake filing

First Eagle Investment Management amended its Schedule 13G filing on Quanterix Corp, disclosing a change in its passive stake in the life-sciences diagnostics company. The filing, submitted under SEC accession number 0001325447-26-000040, updates the asset manager's previously reported ownership position. Schedule 13G amendments are typically filed when an investor's beneficial ownership crosses or adjusts around the 5% threshold, though the headline did not specify the exact percentage held. The disclosure matters because it signals a shift in institutional ownership for Quanterix, a company whose shareholder base can influence governance and strategic decisions. Investors will watch for the full filing details to confirm First Eagle's current stake size and whether the change reflects active accumulation or routine portfolio rebalancing.