Quanterix Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGM:QTRX Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
08 Sep 23	BuyUS$501,978	William P. Donnelly	Individual		20,200	US$24.85

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of QTRX?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	9,928	0.026%
Hedge Funds	2,209,566	5.78%
Individual Insiders	2,323,654	6.08%
General Public	2,904,824	7.59%
Institutions	30,799,106	80.5%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 2.3%.

Top Shareholders

Top 25 shareholders own 65.85% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
8.34%	BlackRock, Inc.	3,190,625	US$55.4m	9.19%	no data
5.78%	Millennium Management LLC	2,209,566	US$38.4m	11.6%	0.03%
5.37%	The Vanguard Group, Inc.	2,055,033	US$35.7m	2.89%	no data
3.76%	David Walt	1,439,395	US$25.0m	0.56%	no data
3.74%	Lord, Abbett & Co. LLC	1,430,277	US$24.8m	39.9%	0.08%
3.39%	Portolan Capital Management, LLC	1,297,090	US$22.5m	-22.6%	1.66%
3.14%	Gilder Gagnon Howe & Co. LLC	1,202,408	US$20.9m	-1.94%	0.26%
2.74%	Emerald Advisers, LLC	1,048,207	US$18.2m	50.1%	0.41%
2.55%	Dimensional Fund Advisors LP	974,111	US$16.9m	15.6%	no data
2.18%	Ashford Capital Management Inc	831,885	US$14.4m	4.24%	1.95%
2.12%	Pura Vida Investments, LLC	811,332	US$14.1m	-15.6%	13.15%
2.12%	State Street Global Advisors, Inc.	809,046	US$14.0m	7.4%	no data
2.06%	Invesco Ltd.	788,656	US$13.7m	-2.25%	no data
2%	Geode Capital Management, LLC	763,846	US$13.3m	4.54%	no data
1.75%	Columbia Management Investment Advisers, LLC	670,710	US$11.6m	5.51%	no data
1.74%	Granahan Investment Management, LLC	666,859	US$11.6m	-12.2%	0.39%
1.63%	Baillie Gifford & Co.	623,355	US$10.8m	-1.3%	no data
1.62%	D. E. Shaw & Co., L.P.	619,173	US$10.7m	-25.2%	0.02%
1.49%	Tikvah Management LLC	571,619	US$9.9m	0%	3.37%
1.49%	Boone Capital Management LLC	568,544	US$9.9m	0%	2.38%
1.47%	AllianceBernstein L.P.	560,325	US$9.7m	1,290%	no data
1.43%	Strategic Advisers LLC	546,034	US$9.5m	-12%	no data
1.37%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	522,790	US$9.1m	51.1%	no data
1.34%	Platinum Investment Management Limited	510,753	US$8.9m	-22.6%	0.25%
1.24%	Renaissance Technologies LLC	474,700	US$8.2m	48.4%	0.01%