HARBOR CAPITAL ADVISORS, INC.

Position in KOS — Kosmos Energy Ltd.

CIK 1039128 CHICAGO, IL

Position in KOS

as of Jun 30, 2026 · filed Aug 7, 2026 Compact

Position Value

$1,413,269

-$403,238 QoQ

Shares Held

669,796

+2.5% QoQ

Ownership

0.112%

of shares outstanding

% of Portfolio

0.11%

of 13F equity value

Holder Rank

#66

of 267 holders

Holding Since

Jun 2023

13 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Energy · as of Jun 30, 2026

HARBOR CAPITAL ADVISORS, INC. holds $17,905,501 across 26 Oil & Gas E&P names. KOS ranks #7 (7.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MGY	Magnolia Oil & Gas Corp	110,051	$2,815,104
2	MUR	Murphy Oil Corp	85,591	$2,786,842
3	MTDR	Matador Resources Co	44,729	$2,226,609
4	CRC	California Resources Corp	40,677	$2,150,592
5	VTS	Vitesse Energy, Inc.	122,783	$1,936,287
6	APA	APA Corp	58,660	$1,910,556
7	KOS	Kosmos Energy Ltd. This page	669,796	$1,413,269
8	OXY	Occidental Petroleum Corp /De/	20,290	$985,485

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,413,269	669,796	+2.5%	Shares	Sole	2026-08-07
2026-03-31	$1,816,507	653,420	+166.7%	Shares	Sole	2026-04-28
2025-12-31	$222,980	245,034	+9.8%	Shares	Sole	2026-01-20
2025-09-30	$370,410	223,139	-76.1%	Shares	Sole	2025-10-15
2025-06-30	$1,603,602	932,327	-29.3%	Shares	Sole	2025-07-09
2025-03-31	$3,008,466	1,319,503	-1.8%	Shares	Sole	2025-04-14
2024-12-31	$4,593,617	1,343,163	+4.0%	Shares	Sole	2025-01-10
2024-09-30	$5,204,599	1,291,464	+81.5%	Shares	Sole	2024-10-29
2024-06-30	$3,942,291	711,605	+74.1%	Shares	Sole	2024-07-09
2024-03-31	$2,436,358	408,785	+109.9%	Shares	Sole	2024-05-13
2023-12-31	$1,306,698	194,739	+14.1%	Shares	Sole	2024-01-08
2023-09-30	$1,395,761	170,631	-19.3%	Shares	Sole	2023-10-20
2023-06-30	$1,266,333	211,408	—	Shares	Sole	2023-07-11
No filing history on record for this holder in this stock.