Share ownership Quanterix Corporation

QTRX

US74766Q1013

Advanced Medical Equipment & Technology

Market Closed - Nasdaq Other stock markets 04:00:00 2026-03-11 pm EDT			5-day change	1st Jan Change
5.010 ^USD	-0.20%		-14.51%	-21.23%

Mar. 02	Quanterix Corporation, Q4 2025 Earnings Call, Mar 02, 2026
Mar. 02	Quanterix Corporation Reports Earnings Results for the Fourth Quarter and Full Year Ended December 31, 2025	CI

Share class: Quanterix Corporation

	Vote	Quantity	Free-Float	Company-owned shares	Total Float
Stock A	1	38,569,854	35,866,758 ( 92.99 %)	0	92.99 %

Major shareholders: Quanterix Corporation

Name	Equities	%	Valuation
Ameriprise Trust Co. 10.75 %	4,996,073	10.75 %	33 M $
Portolan Capital Management LLC 9.74 %	4,525,553	9.74 %	30 M $
BlackRock Advisors LLC 6.954 %	3,231,196	6.954 %	21 M $
Akoya Biosciences, Inc. 6.361 %	2,955,532	6.361 %	19 M $
Vanguard Fiduciary Trust Co. 5.763 %	2,677,833	5.763 %	18 M $
Telegraph Hill Partners Management Co. LLC 5.39 %	2,504,648	5.39 %	16 M $
Blue Water Life Science Advisors LP 4.503 %	2,092,147	4.503 %	14 M $
William Blair Investment Management LLC 4.404 %	2,046,449	4.404 %	13 M $
David Walt 4.031 %	1,872,890	4.031 %	12 M $
Invenomic Capital Management LP 3.239 %	1,505,208	3.239 %	10 M $
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Breakdown by shareholder type

Institutional	65.81%
Other	22.92%
Individuals	6.95%
State Street Corp.	1.92%
Manulife Financial Corp.	0.03%
Unknown	2.37%

Based on 1000 largest holdings

Geographical origin of shareholders

United States	83.58%
Individuals	6.95%
United Kingdom	3.69%
Puerto Rico	2.15%
Australia	0.75%
Germany	0.22%
Cayman Islands	0.16%
Ireland	0.08%
Canada	0.05%

Based on 1000 largest holdings

Quanterix Corporation is a life sciences company. The Company is engaged in developing ultra-sensitive digital immunoassay platforms that advance precision health for life sciences research and diagnostics. Its platforms are based on its digital Simoa detection technology. Its Simoa bead-based and planar array platforms enable customers to detect protein biomarkers in low concentrations in blood, serum, and other fluids. The Company's Simoa technology is based on traditional enzyme-linked immunosorbent assay (ELISA) technology. Its products include HD-X, SR-X, SP-X, Simoa assays and consumables, and NfL antibodies and NfL ELISA kits. It also offers contract research services for customers through its Accelerator Laboratory, which provides customers with access to Simoa technology and supports multiple projects and services, including sample testing, homebrew assay development and custom assay development. It has completed over 2,200 projects for 480 customers using its Simoa platforms.

Employees

450

Sector

Advanced Medical Equipment & Technology

More about the company