Alliancebernstein L.P.

13F Holdings History for Quanterix Corp - Common Stock, $0.001 par value per share (QTRX)

Symbol: QTRX on Nasdaq
Investment type: Equity / Common Stock, $0.001 par value per share
Latest Disclosed Ownership: 37K shares
Security Ownership: 0.1%

Shares, Excluding Options vs Price

Value, Excluding Options

AllianceBernstein L.P. ownership in Quanterix Corp Common Stock, $0.001 par value per share (QTRX)

2025-05-14 - AllianceBernstein L.P. has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 37K shares of Quanterix Corp Common Stock, $0.001 par value per share (QTRX). This represents 0.1% percent ownership of the company. In their previous filing dated 2025-02-05, ALLIANCEBERNSTEIN L.P. had reported owning 2.44M shares, indicating a decrease of -98.5% percent.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
AllianceBernstein L.P.	0.1%	-103%	$180K	37K	-2,402,825	-98.5%	$4.86	13G/A	3/31/2025	14 May 2025 17:10:53
AllianceBernstein L.P.	6.3%	-24.4%	$11.9M	2.44M	-825,798	-25.3%	$4.86	13G/A	12/31/2024	5 Feb 2025 16:31:22
AllianceBernstein L.P.	8.5%		$15.9M	3.27M			$4.86	13G	9/30/2024	15 Nov 2024 13:37:10

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
6/30/2025	0%	+0%	$296K	44.5K	+7,500	+20.3%	$6.65	Q2 2025
3/31/2025	0%	-0.01%	$241K	37K	-2,402,825		$6.51	Q1 2025
12/31/2024	0.01%	0%	$25.9M	2.44M	-825,798	-25.3%	$10.63	Q4 2024
9/30/2024	0.01%	0%	$42.3M	3.27M	-149,191	-4.37%	$12.96	Q3 2024
6/30/2024	0.02%	+0%	$45.1M	3.41M	+883,266	+34.9%	$13.21	Q2 2024
3/31/2024	0.02%	+0.02%	$59.6M	2.53M	+1,971,203	+352%	$23.56	Q1 2024
12/31/2023	0.01%	+0.01%	$15.3M	560K	+520,125	+1294%	$27.34	Q4 2023
9/30/2023	0%		$1.09M	40.2K			$27.14	Q3 2023
6/30/2023	0%		$907K	40.2K			$22.55	Q2 2023
3/31/2023	0%		$453K	40.2K			$11.27	Q1 2023
12/31/2022	0%	+0%	$557K	40.2K	+11,000	+37.7%	$13.85	Q4 2022
9/30/2022	0%	0%	$322K	29.2K	-4,400	-13.1%	$11.03	Q3 2022
6/30/2022	0%		$544K	33.6K			$16.19	Q2 2022
3/31/2022	0%		$981K	33.6K			$29.20	Q1 2022
12/31/2021	0%		$1.43M	33.6K			$42.41	Q4 2021
9/30/2021	0%		$1.67M	33.6K			$49.79	Q3 2021
6/30/2021	0%	+0%	$1.97M	33.6K	+9,500	+39.4%	$58.66	Q2 2021
3/31/2021	0%	+0%	$1.41M	24.1K	+5,200	+27.5%	$58.46	Q1 2021
12/31/2020	0%		$879K	18.9K			$46.51	Q4 2020
9/30/2020	0%	0%	$638K	18.9K	-1,500	-7.35%	$33.76	Q3 2020
6/30/2020	0%		$559K	20.4K			$27.40	Q2 2020
3/31/2020	0%	+0%	$375K	20.4K	+3,400	+20%	$18.38	Q1 2020
12/31/2019	0%		$402K	17K			$23.65	Q4 2019
9/30/2019	0%		$373K	17K			$21.94	Q3 2019
6/30/2019	0%	+0%	$574K	17K	+5,200	+44.1%	$33.76	Q2 2019
3/31/2019	0%	+0%	$305K	11.8K	+11,800	NEW	$25.85	Q1 2019

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.