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Grantham, Mayo, Van Otterloo & Co. LLC

Position in KOS — Kosmos Energy Ltd.

CIK 1352662 Boston, MA

Position in KOS

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$50,895,456
+$19,223,528 QoQ
Shares Held
18,307,718
-47.4% QoQ
Ownership
3.09%
of shares outstanding
% of Portfolio
0.13%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2020
24 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in KOS Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas E&P

Energy · as of Mar 31, 2026

Grantham, Mayo, Van Otterloo & Co. LLC holds $477,102,407 across 19 Oil & Gas E&P names. KOS ranks #5 (10.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 KOS
Kosmos Energy Ltd.
This page
18,307,718 $50,895,456

All Filings in KOS

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26 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $50,895,456 18,307,718
2026-03-31 $50,895,456 18,307,718
2025-12-31 $31,671,928 34,804,317
2025-09-30 $57,736,405 34,780,967
2025-09-30 $57,736,405 34,780,967
2025-06-30 $63,330,859 36,820,267
2025-03-31 $90,944,247 39,887,828
2024-12-31 $111,586,279 32,627,567
2024-09-30 $107,687,068 26,721,357
2024-06-30 $139,792,626 25,233,326
2024-03-31 $139,496,893 23,405,519
2023-12-31 $155,230,347 23,134,180
2023-09-30 $182,725,281 22,338,054
2023-06-30 $117,689,794 19,647,712
2023-03-31 $139,502,432 18,750,327
2022-12-31 $136,182,488 21,412,341
2022-09-30 $112,366,542 21,734,341
2022-06-30 $118,986,909 19,222,441
2022-03-31 $166,776,133 23,195,568
2021-12-31 $97,318,257 28,126,664
2021-09-30 $84,893,770 28,680,328
2021-06-30 $72,684,725 21,007,146
2021-03-31 $59,159,821 19,270,300
2020-12-31 $47,778,973 20,331,478
2020-09-30 $12,265,254 12,515,566
2020-06-30 $2,437,102 1,468,134