Question 1

Does Jane Street Group own GBF stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Jane Street Group holds 42,212 shares of GBF, worth $4.4M.

Question 2

How many shares of GBF does Jane Street Group own?

Accepted Answer

As of its Q2 2026 13F, Jane Street Group holds 42,212 shares of GBF.

Question 3

What is Jane Street Group's GBF position worth?

Accepted Answer

As of its Q2 2026 13F, Jane Street Group's GBF position is worth $4.4M.

Question 4

Is Jane Street Group buying or selling GBF?

Accepted Answer

In Q2 2026, Jane Street Group increased its GBF position by 18,712 shares (+79.6%).

Question 5

When did Jane Street Group first buy GBF?

Accepted Answer

Jane Street Group already held GBF in its Q4 2018 13F, the earliest on record, and has listed it in 30 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	42,212	+79.6%	$4.4M	0.0%	$102.77	41
2026-Q1	Increased	23,500	+9.2%	$2.4M	0.0%	$102.13	29
2025-Q4	Decreased	21,526	-52.8%	$2.3M	0.0%	$101.74	0
2025-Q3	Increased	45,553	+117.5%	$4.8M	0.0%	$101.14	43
2025-Q2	Decreased	20,945	-42.8%	$2.2M	0.0%	$99.31	0
2025-Q1	Increased	36,600	+28.3%	$3.8M	0.0%	$98.09	33
2024-Q4	Decreased	28,529	-17.0%	$2.9M	0.0%	$95.61	0
2024-Q3	Increased	34,379	+253.7%	$3.7M	0.0%	$98.97	43