Question 1

Does Jane Street Group own SID stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Jane Street Group holds 1,647,143 shares of SID (Companhia Siderurgica Nacional), worth $1.5M.

Question 2

How many shares of SID does Jane Street Group own?

Accepted Answer

As of its Q2 2026 13F, Jane Street Group holds 1,647,143 shares of SID (Companhia Siderurgica Nacional).

Question 3

What is Jane Street Group's SID position worth?

Accepted Answer

As of its Q2 2026 13F, Jane Street Group's SID position is worth $1.5M.

Question 4

Is Jane Street Group buying or selling SID?

Accepted Answer

In Q2 2026, Jane Street Group reduced its SID position by 207,495 shares (-11.2%).

Question 5

When did Jane Street Group first buy SID?

Accepted Answer

Jane Street Group already held SID in its Q4 2018 13F, the earliest on record, and has listed it in 29 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	1.6M	-11.2%	$1.5M	0.0%	$0.92	0
2026-Q1	Decreased	1.9M	-27.0%	$2.3M	0.0%	$1.24	0
2025-Q4	Increased	2.5M	+365.8%	$4.1M	0.0%	$1.60	43
2025-Q3	Increased	545,278	+2624.9%	$818,281	0.0%	$1.50	40
2025-Q2	Decreased	20,011	-91.3%	$27,085	0.0%	$1.40	0
2025-Q1	Decreased	230,503	-47.6%	$386,344	0.0%	$1.67	0
2024-Q4	Increased	439,837	+1692.6%	$633,315	0.0%	$1.44	39
2024-Q3	Decreased	24,536	-77.9%	$58,641	0.0%	$2.28	0