Question 1

Does Jane Street Group own ARX stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Jane Street Group holds 952,066 shares of ARX (Accelerant Holdings), worth $11.2M.

Question 2

How many shares of ARX does Jane Street Group own?

Accepted Answer

As of its Q2 2026 13F, Jane Street Group holds 952,066 shares of ARX (Accelerant Holdings).

Question 3

What is Jane Street Group's ARX position worth?

Accepted Answer

As of its Q2 2026 13F, Jane Street Group's ARX position is worth $11.2M.

Question 4

Is Jane Street Group buying or selling ARX?

Accepted Answer

In Q2 2026, Jane Street Group increased its ARX position by 91,369 shares (+10.6%).

Question 5

When did Jane Street Group first buy ARX?

Accepted Answer

Jane Street Group already held ARX in its Q3 2025 13F, the earliest on record, and has listed it in 3 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	952,066	+10.6%	$11.2M	0.0%	$11.72	31
2026-Q1	New	860,697	-	$11.5M	0.0%	$11.60	39
2025-Q4	Exited	0	-100.0%	$0	0.0%	$16.41	0
2025-Q3	New	55,365	-	$824,385	0.0%	$14.49	34

ARX4 quarters

ARX
4 quarters