Question 1

How many shares of KOS does Grantham, Mayo, Van Otterloo & Co. LLC own?

Accepted Answer

As of 2026-Q2, Grantham, Mayo, Van Otterloo & Co. LLC holds 11.9M shares of KOS (KOSMOS ENERGY LTD).

Question 2

What is Grantham, Mayo, Van Otterloo & Co. LLC's KOS position worth?

Accepted Answer

As of 2026-Q2, Grantham, Mayo, Van Otterloo & Co. LLC's KOS position is worth $25M.

Question 3

Is Grantham, Mayo, Van Otterloo & Co. LLC buying or selling KOS?

Accepted Answer

In 2026-Q2, Grantham, Mayo, Van Otterloo & Co. LLC decreased their KOS position (-35.3% change in shares).

Question 4

When did Grantham, Mayo, Van Otterloo & Co. LLC first buy KOS?

Accepted Answer

Based on available 13F filings, Grantham, Mayo, Van Otterloo & Co. LLC first reported a position in KOS in 2024-Q3. They have held the position across 25 quarters.

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%	$2.57	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%	$1.67	0
2025-Q2	Decreased	36.8M	-7.7%	$63.3M	0.2%	$1.83	0
2025-Q1	Increased	39.9M	+22.3%	$90.9M	0.3%	$2.22	43
2024-Q4	Increased	32.6M	+22.1%	$111.6M	0.4%	$3.36	43
2024-Q3	Increased	26.7M	+5.9%	$107.7M	0.3%	$3.96	38