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
20 Aug 24	BuyUS$624,630	David Walt	Individual		47,000	US$13.29
13 Aug 24	BuyUS$207,100	Masoud Toloue	Individual		19,000	US$10.90

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
General Public	2,065,779	5.38%
Individual Insiders	2,407,282	6.27%
Hedge Funds	4,582,818	11.9%
Institutions	29,323,154	76.4%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 73.4% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
8.51%	AllianceBernstein L.P.	3,265,603	US$36.1m	-4.37%	0.01%
8.17%	BlackRock, Inc.	3,137,432	US$34.7m	0%	no data
6.57%	Portolan Capital Management, LLC	2,520,686	US$27.9m	31.4%	2.03%
5.73%	The Vanguard Group, Inc.	2,197,839	US$24.3m	7.53%	no data
5.37%	Millennium Management LLC	2,062,132	US$22.8m	147%	0.02%
3.95%	Columbia Management Investment Advisers, LLC	1,517,248	US$16.8m	15.9%	no data
3.87%	David Walt	1,484,395	US$16.4m	3.13%	no data
3.34%	Emerald Advisers, LLC	1,282,464	US$14.2m	3.44%	0.31%
2.87%	Granahan Investment Management, LLC	1,102,631	US$12.2m	-2.38%	0.49%
2.31%	Dimensional Fund Advisors LP	887,546	US$9.8m	-2.2%	no data
2.28%	Easterly Investment Partners LLC	876,133	US$9.7m	26.5%	0.81%
2.24%	Geode Capital Management, LLC	858,667	US$9.5m	2.17%	no data
2.18%	State Street Global Advisors, Inc.	836,443	US$9.3m	2.21%	no data
2.01%	Ashford Capital Management Inc	771,305	US$8.5m	0%	1.02%
1.75%	Kent Lake PR LLC	671,500	US$7.4m	795%	2.42%
1.65%	Baillie Gifford & Co.	633,001	US$7.0m	-0.07%	no data
1.58%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	607,245	US$6.7m	0.29%	no data
1.49%	Tikvah Management LLC	571,619	US$6.3m	0%	1.95%
1.39%	UBS Asset Management AG	531,922	US$5.9m	-1.76%	no data
1.33%	Pier Capital, LLC	511,798	US$5.7m	23.5%	0.82%
1.23%	Gilder Gagnon Howe & Co. LLC	472,280	US$5.2m	-49.4%	0.06%
0.91%	Pura Vida Investments, LLC	350,701	US$3.9m	-14.3%	7.34%
0.9%	Northern Trust Global Investments	346,748	US$3.8m	-0.03%	no data
0.88%	Williams Jones Wealth Management, LLC	337,044	US$3.7m	51.7%	0.05%
0.87%	Russell Investment Management, LLC	335,161	US$3.7m	21%	no data