Question 1

Does Grantham, Mayo, Van Otterloo own KOS stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Grantham, Mayo, Van Otterloo holds 11,850,124 shares of KOS (Kosmos Energy), worth $25M.

Question 2

How many shares of KOS does Grantham, Mayo, Van Otterloo own?

Accepted Answer

As of its Q2 2026 13F, Grantham, Mayo, Van Otterloo holds 11,850,124 shares of KOS (Kosmos Energy).

Question 3

What is Grantham, Mayo, Van Otterloo's KOS position worth?

Accepted Answer

As of its Q2 2026 13F, Grantham, Mayo, Van Otterloo's KOS position is worth $25M.

Question 4

Is Grantham, Mayo, Van Otterloo buying or selling KOS?

Accepted Answer

In Q2 2026, Grantham, Mayo, Van Otterloo reduced its KOS position by 6,457,594 shares (-35.3%).

Question 5

When did Grantham, Mayo, Van Otterloo first buy KOS?

Accepted Answer

Grantham, Mayo, Van Otterloo first reported KOS in its Q2 2020 13F and has listed it in 25 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	11.9M	-35.3%	$25M	0.1%	$2.11	0
2026-Q1	Decreased	18.3M	-47.4%	$50.9M	0.1%	$2.78	0
2025-Q4	Increased	34.8M	+0.1%	$31.6M	0.1%	$0.91	29
2025-Q3	Decreased	34.8M	-5.5%	$57.7M	0.2%	$1.66	0
2025-Q2	Decreased	36.8M	-7.7%	$63.3M	0.2%	$1.72	0
2025-Q1	Increased	39.9M	+22.3%	$90.9M	0.3%	$2.28	43
2024-Q4	Increased	32.6M	+22.1%	$111.6M	0.4%	$3.42	43
2024-Q3	Increased	26.7M	+5.9%	$107.7M	0.3%	$4.03	38