Question 1

Does Jane Street Group own QTRX stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Jane Street Group holds 419,050 shares of QTRX (Quanterix), worth $1.8M.

Question 2

How many shares of QTRX does Jane Street Group own?

Accepted Answer

As of its Q2 2026 13F, Jane Street Group holds 419,050 shares of QTRX (Quanterix).

Question 3

What is Jane Street Group's QTRX position worth?

Accepted Answer

As of its Q2 2026 13F, Jane Street Group's QTRX position is worth $1.8M.

Question 4

Is Jane Street Group buying or selling QTRX?

Accepted Answer

In Q2 2026, Jane Street Group increased its QTRX position by 263,395 shares (+169.2%).

Question 5

When did Jane Street Group first buy QTRX?

Accepted Answer

Jane Street Group first reported QTRX in its Q1 2020 13F and has listed it in 18 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	419,050	+169.2%	$1.8M	0.0%	$4.32	42
2026-Q1	Increased	155,655	+124.3%	$547,906	0.0%	$3.52	39
2025-Q4	Decreased	69,383	-53.7%	$441,276	0.0%	$6.36	0
2025-Q3	Increased	149,779	+7.0%	$813,300	0.0%	$5.43	27
2025-Q2	Increased	139,964	+140.0%	$930,761	0.0%	$6.65	40
2025-Q1	Increased	58,313	+4.2%	$379,618	0.0%	$6.51	25
2024-Q4	Increased	55,947	+18.1%	$594,716	0.0%	$10.63	29
2024-Q3	Decreased	47,369	-14.2%	$613,902	0.0%	$12.73	0