QTRX Insider Trading

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Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 6.90%

Insider Buying (Last 12 Months): $624,630.00

Insider Selling (Last 12 Months): $0.00

Quanterix Insider Trading History Chart

Quanterix Share Price & Price History

^$5.88

▲ +0.28 (5.00%)

As of 04/25/2025 05:00 PM ET

Days: 30 | 90 | 365

Quanterix Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
8/20/2024	David R Walt	Director	Buy	47,000	$13.29	$624,630.00	1,487,342
4/1/2024	Laurie J Olson	Director	Sell	1,000	$23.50	$23,500.00	15,238
2/14/2024	Laurie J Olson	Director	Sell	1,500	$24.35	$36,525.00	15,238
9/8/2023	William P Donnelly	Director	Buy	20,200	$24.85	$501,970.00	28,438
8/15/2022	Michael A Doyle	CFO	Buy	15,000	$10.16	$152,400.00	48,614
8/12/2022	Masoud Toloue	CEO	Buy	105,000	$10.43	$1,095,150.00	185,823
8/12/2022	Michael A Doyle	CFO	Buy	15,000	$10.43	$156,450.00	33,614
8/10/2022	David R Walt	Director	Buy	150,000	$8.62	$1,293,000.00	1,431,312
8/1/2022	John J. Fry	General Counsel	Sell	401	$15.61	$6,259.61	37,671
8/1/2022	Masoud Toloue	CEO	Sell	446	$15.61	$6,962.06	80,823
8/1/2022	Michael A Doyle	CFO	Sell	37	$15.61	$577.57	18,614
7/13/2022	Michael A Doyle	CFO	Sell	434	$18.16	$7,881.44	18,651
7/5/2022	E Kevin Hrusovsky	Chairman	Sell	960	$16.57	$15,907.20	910,249
7/5/2022	John J. Fry	General Counsel	Sell	387	$16.57	$6,412.59	38,072
7/5/2022	Masoud Toloue	CEO	Sell	432	$16.57	$7,158.24	81,269
5/2/2022	E Kevin Hrusovsky	Chairman	Sell	649	$22.36	$14,511.64	911,921
5/2/2022	John J. Fry	General Counsel	Sell	429	$22.36	$9,592.44	38,837

SEC Filings (Institutional Ownership Changes) for Quanterix (NASDAQ:QTRX)

86.48% of Quanterix stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Quanterix Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
4/24/2025	Allspring Global Investments Holdings LLC	15,074	$98K	0.0%	N/A	0.039%
4/23/2025	Post Resch Tallon Group Inc.	12,950	$87K	0.1%	-17.6%	0.033%
4/23/2025	Valmark Advisers Inc.	244,854	$1.59M	0.0%	+16.1%	0.631%
2/18/2025	Ashford Capital Management Inc.	544,530	$5.79M	0.7%	-25.8%	1.414%
2/17/2025	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	520,869	$5.54M	0.0%	+2.0%	1.352%
2/17/2025	Williams Jones Wealth Management LLC.	471,514	$5.01M	0.1%	+39.9%	1.224%
2/17/2025	Two Sigma Advisers LP	36,748	$0.39M	0.0%	+35.9%	0.095%
2/17/2025	Two Sigma Investments LP	56,962	$0.61M	0.0%	N/A	0.148%
2/17/2025	ProShare Advisors LLC	10,119	$0.11M	0.0%	N/A	0.026%
2/17/2025	Nuveen Asset Management LLC	539,093	$5.73M	0.0%	-11.2%	1.400%
2/17/2025	Millennium Management LLC	2,185,101	$23.23M	0.0%	+6.0%	5.673%
2/17/2025	Granahan Investment Management LLC	536,417	$5.70M	0.2%	-51.4%	1.393%
2/17/2025	Deutsche Bank AG	35,726	$0.38M	0.0%	+44.5%	0.093%
2/17/2025	D. E. Shaw & Co. Inc.	82,192	$0.87M	0.0%	-56.4%	0.213%
2/17/2025	Caption Management LLC	25,000	$0.27M	0.0%	N/A	0.065%
2/17/2025	Cetera Investment Advisers	10,121	$0.11M	0.0%	N/A	0.026%
2/17/2025	Bridger Management LLC	185,085	$1.97M	1.1%	+19.5%	0.480%
2/17/2025	Balyasny Asset Management L.P.	30,630	$0.33M	0.0%	-26.2%	0.080%
2/17/2025	Bank of America Corp DE	100,052	$1.06M	0.0%	-1.8%	0.260%
2/17/2025	BNP Paribas Financial Markets	64,896	$0.69M	0.0%	+756.5%	0.168%
2/17/2025	Ameriprise Financial Inc.	3,205,928	$34.08M	0.0%	+111.3%	8.323%
2/17/2025	Algert Global LLC	149,693	$1.59M	0.0%	+8.6%	0.389%
2/14/2025	Jane Street Group LLC	55,947	$0.60M	0.0%	+18.1%	0.145%
2/14/2025	Emerald Mutual Fund Advisers Trust	216,860	$2.31M	0.1%	-61.5%	0.563%
2/14/2025	Northern Trust Corp	366,164	$3.89M	0.0%	+5.6%	0.951%
2/14/2025	Aquatic Capital Management LLC	18,794	$0.20M	0.0%	+254.6%	0.049%
2/14/2025	Boothbay Fund Management LLC	173,645	$1.85M	0.0%	-21.6%	0.451%
2/14/2025	Gilder Gagnon Howe & Co. LLC	68,663	$0.73M	0.0%	-85.5%	0.178%
2/14/2025	Nebula Research & Development LLC	32,619	$0.35M	0.0%	-15.0%	0.085%
2/14/2025	Empire Financial Management Company LLC	31,500	$0.34M	0.1%	-16.0%	0.082%
2/14/2025	Voya Investment Management LLC	11,272	$0.12M	0.0%	-45.7%	0.029%
2/14/2025	Price T Rowe Associates Inc. MD	33,878	$0.36M	0.0%	+18.9%	0.088%
2/14/2025	Hsbc Holdings PLC	19,371	$0.21M	0.0%	+25.8%	0.050%
2/14/2025	Tower Research Capital LLC TRC	5,702	$61K	0.0%	+219.1%	0.015%
2/14/2025	MetLife Investment Management LLC	23,983	$0.26M	0.0%	+21.9%	0.062%
2/14/2025	Dimensional Fund Advisors LP	893,645	$9.50M	0.0%	+0.7%	2.320%
2/13/2025	Canada Pension Plan Investment Board	10,200	$0.11M	0.0%	+64.5%	0.026%
2/13/2025	Portolan Capital Management LLC	2,587,824	$27.51M	1.8%	+2.7%	6.718%
2/13/2025	Walleye Capital LLC	49,121	$0.52M	0.0%	N/A	0.128%
2/13/2025	XTX Topco Ltd	15,422	$0.16M	0.0%	N/A	0.040%
2/13/2025	Barclays PLC	129,644	$1.38M	0.0%	-11.4%	0.337%
2/13/2025	F M Investments LLC	59,922	$0.64M	0.0%	N/A	0.156%
2/13/2025	Raymond James Financial Inc.	53,626	$0.57M	0.0%	N/A	0.139%
2/13/2025	Renaissance Technologies LLC	59,100	$0.63M	0.0%	-55.3%	0.153%
2/13/2025	Invesco Ltd.	33,654	$0.36M	0.0%	+16.3%	0.087%
2/13/2025	Russell Investments Group Ltd.	401,476	$4.27M	0.0%	+19.8%	1.042%
2/13/2025	Envestnet Asset Management Inc.	342,264	$3.64M	0.0%	+22.5%	0.889%
2/13/2025	Wells Fargo & Company MN	46,558	$0.50M	0.0%	-6.1%	0.121%
2/13/2025	Resona Asset Management Co. Ltd.	5,057	$55K	0.0%	N/A	0.013%
2/12/2025	ExodusPoint Capital Management LP	22,840	$0.24M	0.0%	-80.3%	0.059%
2/12/2025	Geode Capital Management LLC	863,503	$9.18M	0.0%	+0.6%	2.242%
2/12/2025	Alliancebernstein L.P.	2,439,805	$25.94M	0.0%	-25.3%	6.334%
2/12/2025	RWA Wealth Partners LLC	96,602	$1.03M	0.0%	-50.0%	0.251%
2/12/2025	Easterly Investment Partners LLC	954,995	$10.15M	0.8%	+9.0%	2.479%
2/12/2025	JPMorgan Chase & Co.	270,054	$2.87M	0.0%	+23.9%	0.701%
2/11/2025	Pier Capital LLC	679,680	$7.23M	1.0%	+32.8%	1.764%
2/11/2025	EntryPoint Capital LLC	35,504	$0.38M	0.2%	+117.8%	0.092%
2/11/2025	Corebridge Financial Inc.	17,864	$0.19M	0.0%	-7.0%	0.046%
2/11/2025	Emerald Advisers LLC	278,395	$2.96M	0.1%	-61.3%	0.723%
2/11/2025	Vanguard Group Inc.	2,217,225	$23.57M	0.0%	+0.9%	5.756%
2/11/2025	Fox Run Management L.L.C.	43,784	$0.47M	0.1%	+258.7%	0.114%
2/11/2025	KLP Kapitalforvaltning AS	6,200	$66K	0.0%	N/A	0.016%
2/11/2025	American Century Companies Inc.	71,992	$0.77M	0.0%	+9.1%	0.187%
2/11/2025	Platinum Investment Management Ltd.	260,181	$2.77M	0.2%	-6.3%	0.675%
2/10/2025	William Blair Investment Management LLC	1,062,105	$11.29M	0.0%	N/A	2.757%
2/10/2025	Connor Clark & Lunn Investment Management Ltd.	31,902	$0.34M	0.0%	-17.2%	0.083%
2/7/2025	Moors & Cabot Inc.	30,873	$0.33M	0.0%	+107.5%	0.080%
2/6/2025	Raymond James Financial Inc.	53,626	$0.57M	0.0%	N/A	0.139%
2/6/2025	Charles Schwab Investment Management Inc.	266,615	$2.83M	0.0%	-18.1%	0.692%
2/5/2025	Levin Capital Strategies L.P.	15,000	$0.16M	0.0%	N/A	0.039%
2/4/2025	Bank of New York Mellon Corp	108,186	$1.15M	0.0%	+1.8%	0.281%
1/31/2025	Baillie Gifford & Co.	629,797	$6.70M	0.0%	-0.5%	1.635%
1/30/2025	Valmark Advisers Inc.	210,878	$2.24M	0.0%	+88.3%	0.547%
1/30/2025	Rhumbline Advisers	56,480	$0.60M	0.0%	-5.4%	0.147%
1/24/2025	abrdn plc	206,923	$2.20M	0.0%	+24.4%	0.537%
1/17/2025	Janney Capital Management LLC	33,192	$0.35M	0.0%	+40.9%	0.086%
1/15/2025	Tallon Kerry Patrick	15,710	$0.17M	0.2%	N/A	0.041%
1/10/2025	Graypoint LLC	65,000	$0.69M	0.0%	N/A	0.169%
1/10/2025	Harbor Capital Advisors Inc.	139,955	$1.49M	0.1%	-27.3%	0.363%
12/26/2024	JPMorgan Chase & Co.	217,957	$2.83M	0.0%	+28.1%	0.566%
12/13/2024	Exome Asset Management LLC	73,501	$0.95M	0.6%	+23.2%	0.191%
11/27/2024	Franklin Resources Inc.	26,223	$0.32M	0.0%	-53.5%	0.068%
11/26/2024	Peapack Gladstone Financial Corp	10,100	$0.13M	0.0%	N/A	0.026%
11/18/2024	Empire Financial Management Company LLC	37,500	$0.49M	0.1%	+100.0%	0.098%
11/18/2024	Ashford Capital Management Inc.	734,115	$9.51M	1.2%	-4.8%	1.913%
11/16/2024	Geode Capital Management LLC	858,667	$11.13M	0.0%	+2.2%	2.237%
11/15/2024	Barclays PLC	146,248	$1.90M	0.0%	+42.3%	0.380%
11/15/2024	Pier Capital LLC	511,798	$6.63M	0.9%	+23.5%	1.334%
11/15/2024	Jane Street Group LLC	47,369	$0.61M	0.0%	-14.2%	0.123%
11/15/2024	State Street Corp	836,443	$10.84M	0.0%	+2.2%	2.179%
11/15/2024	Portolan Capital Management LLC	2,520,686	$32.67M	2.4%	+31.4%	6.568%
11/14/2024	Verition Fund Management LLC	14,271	$0.19M	0.0%	-19.6%	0.037%
11/14/2024	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	510,758	$6.62M	0.0%	-1.8%	1.331%
11/13/2024	BNP Paribas Financial Markets	7,577	$98K	0.0%	-69.8%	0.020%
11/13/2024	FMR LLC	30,242	$0.39M	0.0%	+112.6%	0.079%
11/13/2024	Quantbot Technologies LP	3,113	$40K	0.0%	-68.3%	0.008%
11/12/2024	Algert Global LLC	137,833	$1.79M	0.0%	+75.9%	0.359%
11/12/2024	Charles Schwab Investment Management Inc.	325,604	$4.22M	0.0%	-0.9%	0.848%
11/9/2024	Intech Investment Management LLC	13,090	$0.17M	0.0%	N/A	0.034%
11/8/2024	Connor Clark & Lunn Investment Management Ltd.	38,550	$0.50M	0.0%	N/A	0.100%

Data available starting January 2016

Quanterix Corporation, a life sciences company, engages in development and marketing of digital immunoassay platforms that advances precision health for life sciences research and diagnostics in North America, Europe, the Middle East, Africa, and the Asia Pacific regions. The company offers HD-X instrument, a protein detection platform; and SR-X instrument that enables researchers to apply Simoa detection in an expanded range of applications. It also provides SP-X instrument that is based on Simoa planar array technology for the measurement of multiplex chemiluminescent immunoassays. The company's products include assays include all components required to run enzyme-based immunoassay, such as beads, capture and detector reagents, and enzyme reagents and substrate; and replacement parts, reagents, and antibodies. In addition, it offers contract research services, including sample testing, homebrew assay development, custom assay development, lucent diagnostic, and LDT testing services. The company primarily operates in the areas of neurology, oncology, cardiology, infectious diseases, and inflammation. It sells its products for the life science research sector primarily to laboratories associated with academic and governmental research institutions, as well as pharmaceutical, biotechnology, and contract research companies through a direct field sale, support organizations, and distributors or sales agents. The company was formerly known as Digital Genomics, Inc. and changed its name to Quanterix Corporation in August 2007. Quanterix Corporation was incorporated in 2007 and is headquartered in Billerica, Massachusetts.

Today's Range

Now: $5.88

$5.36

$5.94

50 Day Range

MA: $6.58

$4.81

$8.06

52 Week Range

Now: $5.88

$4.67

$19.18

Volume

618,045 shs

Average Volume

544,388 shs

Market Capitalization

$228.08 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.35

Who are the company insiders with the largest holdings of Quanterix?: Quanterix's top insider shareholders include:
David R Walt (Director)
William P Donnelly (Director)
Laurie J Olson (Director)
Learn More about top insider investors at Quanterix.
Who are the major institutional investors of Quanterix?: Quanterix's top institutional shareholders include:
Valmark Advisers Inc. — 0.63%
Allspring Global Investments Holdings LLC — 0.04%
Post Resch Tallon Group Inc. — 0.03%
Learn More about top institutional investors of Quanterix stock.
Which major investors are selling Quanterix stock?: In the previous quarter, QTRX stock was sold by these institutional investors:
Post Resch Tallon Group Inc.
Which major investors are buying Quanterix stock?: Within the previous quarter, QTRX stock was purchased by institutional investors including:
Valmark Advisers Inc.
Allspring Global Investments Holdings LLC
In the last year, these company insiders have bought Quanterix stock:
David R Walt (Director)
William P Donnelly (Director)
Learn More investors buying Quanterix stock.