§ LIFE SCIENCES TOOLS & SERVICES
USD · Life Sciences Tools & ServicesQTRX
QUANTERIX CORP
USDSector · Life Sciences Tools & Services
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
13F FLOW
85 increased/new, 31 decreased/exited (13F)
AC 13F Analysis
§ 05 · WHO OWNS IT
Top institutional holders
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| AMERIPRISE FINANCIAL INC | 3.5M | n/a | −29% |
| BlackRock, Inc. | 3.3M | 0.0% | −3% |
| Portolan Capital Management, LLC | 2.9M | 0.6% | −35% |
| Blue Water Life Science Advisors, LP | 2.1M | 6.0% | +2% |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 2.1M | 0.0% | +2% |
| Invenomic Capital Management LP | 1.9M | 0.3% | +28% |
◇ AC INTELLIGENCE
Top institutional owners for QTRX as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.
§ 06 · WHO OWNS IT · BY STRATEGY
OTHER15.7% · 0 holders
OTHER42.1% · 78 holders
QUALITY / COMPOUNDER15.2% · 9 holders
PASSIVE / INDEX10.2% · 7 holders
DEALER / BANK6.9% · 19 holders
DEEP VALUE5.5% · 1 holder
TACTICAL / MACRO2.3% · 3 holders
SYSTEMATIC / QUANT1.7% · 5 holders
INCOME / DEFENSIVE0.2% · 6 holders
◇ AC INTELLIGENCE
Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.
§ 07 · INSIDER ACTIVITY · LAST 180 DAYS
NO INSIDER FILINGS
◇ AC INTELLIGENCE
No Form 4 filings on record for QTRX in the last 180 days.
§ 08 · COVERAGE · OUR RECENT NOTES
No notes mention QTRX yet.