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RHUMBLINE ADVISERS

Position in KOS — Kosmos Energy Ltd.

CIK 1115418 BOSTON, MA

Position in KOS

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$1,513,287
-$127,191 QoQ
Shares Held
717,198
+21.5% QoQ
Ownership
0.120%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#62
of 265 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 19% Shared 0% None 81%

Common Shares in KOS Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas E&P

Energy · as of Jun 30, 2026

RHUMBLINE ADVISERS holds $982,743,753 across 47 Oil & Gas E&P names. KOS ranks #26 (0.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in KOS

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,513,287 717,198
2026-03-31 $1,640,478 590,100
2025-12-31 $557,797 612,964
2025-09-30 $1,175,572 708,176
2025-06-30 $1,236,600 718,954
2025-03-31 $1,518,945 666,204
2024-12-31 $1,986,243 580,773
2024-09-30 $2,440,036 605,468
2024-06-30 $3,724,054 672,212
2024-03-31 $3,888,739 652,473
2023-12-31 $4,304,391 641,489
2023-09-30 $5,248,746 641,656
2023-06-30 $3,751,105 626,228
2023-03-31 $4,562,341 613,218
2022-12-31 $3,820,547 600,715
2022-09-30 $2,951,889 570,965
2022-06-30 $3,248,561 524,808
2022-03-31 $3,620,582 503,558
2021-12-31 $1,614,211 466,535
2021-09-30 $1,658,055 560,154
2021-06-30 $1,425,973 412,131
2021-03-31 $1,945,836 633,823
2020-12-31 $1,579,500 672,128
2020-09-30 $570,762 582,411
2020-06-30 $1,111,628 669,656
2020-03-31 $311,956 346,618