Does Northern Trust own QTRX stock?

Yes. As of its Q2 2026 13F, Northern Trust holds 337,227 shares of QTRX (Quanterix), worth $1.5M.

How many shares of QTRX does Northern Trust own?

As of its Q2 2026 13F, Northern Trust holds 337,227 shares of QTRX (Quanterix).

As of its Q2 2026 13F, Northern Trust's QTRX position is worth $1.5M.

In Q2 2026, Northern Trust reduced its QTRX position by 12,431 shares (-3.6%).

Northern Trust already held QTRX in its Q1 2019 13F, the earliest on record, and has listed it in 30 quarterly 13F filings.

Position history for NORTHERN TRUST CORP's holdings in QUANTERIX CORP

Current Value

$1.5M

Current Shares

337,227

Total Value Change

-$1.1M

Total Shares Change

+239,337

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	337,227	-3.6%	$1.5M	0.0%	$4.32	0
2026-Q1	Increased	349,658	+1.2%	$1.2M	0.0%	$5.87	26
2025-Q4	Decreased	345,564	-2.3%	$2.2M	0.0%	$6.33	0
2025-Q3	Increased	353,658	+10.2%	$1.9M	0.0%	$5.25	28
2025-Q2	Decreased	321,030	-0.6%	$2.1M	0.0%	$6.65	0
2025-Q1	Decreased	323,111	-11.8%	$2.1M	0.0%	$6.56	0
2024-Q4	Increased	366,164	+5.6%	$3.9M	0.0%	$10.90	28
2024-Q3	Decreased	346,748	-0.0%	$4.5M	0.0%	$12.73	0
2024-Q2	Decreased	346,848	-3.2%	$4.6M	0.0%	$13.21	0
2024-Q1	Decreased	358,405	-2.1%	$8.4M	0.0%	$23.56	0
2023-Q4	Increased	366,073	+3.9%	$10M	0.0%	$27.34	29
2023-Q3	Increased	352,278	+0.3%	$9.6M	0.0%	$27.14	28
2023-Q2	Increased	351,307	+12.4%	$7.9M	0.0%	$23.22	31
2023-Q1	Decreased	312,450	-0.1%	$3.5M	0.0%	$10.85	0
2022-Q4	Increased	312,712	+0.7%	$4.3M	0.0%	$13.85	27
2022-Q3	Decreased	310,521	-0.7%	$3.4M	0.0%	$9.86	0
2022-Q2	Increased	312,831	+2.7%	$5.1M	0.0%	$16.71	28
2022-Q1	Decreased	304,628	-2.9%	$8.9M	0.0%	$28.58	0
2021-Q4	Decreased	313,667	-6.8%	$13.3M	0.0%	$42.26	0
2021-Q3	Decreased	336,464	-0.7%	$16.8M	0.0%	$48.21	0
2021-Q2	Increased	338,715	+15.0%	$19.9M	0.0%	$63.94	33
2021-Q1	Increased	294,645	+5.3%	$17.2M	0.0%	$54.66	30
2020-Q4	Decreased	279,742	-3.6%	$13M	0.0%	$47.51	0
2020-Q3	Increased	290,080	+8.6%	$9.8M	0.0%	$33.87	30
2020-Q2	Increased	267,148	+45.2%	$7.3M	0.0%	$26.77	37
2020-Q1	Increased	184,024	+10.8%	$3.4M	0.0%	$18.86	29
2019-Q4	Decreased	166,012	-6.1%	$3.9M	0.0%	$23.37	0
2019-Q3	Increased	176,815	+76.0%	$3.9M	0.0%	$21.72	40
2019-Q2	Increased	100,434	+2.6%	$3.4M	0.0%	$33.79	27
2019-Q1	First report	97,890	-	$2.5M	0.0%	$25.83	0