Harbor Capital Advisors’s Kosmos Energy KOS Stock Holding History

Harbor Capital Advisors’s Portfolio KOS Stock Details KOS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$1.41M	Buy	669,796 +16,376	+3%	+$45.6K	0.1%	285
2026 Q1	$1.82M	Buy	653,420 +408,386	+167%	+$768K	0.15%	209
2025 Q4	$222K	Buy	245,034 +21,895	+10%	+$28.9K	0.02%	603
2025 Q3	$370K	Sell	223,139 -709,188	-76%	-$1.33M	0.03%	544
2025 Q2	$1.6M	Sell	932,327 -387,176	-29%	-$701K	0.07%	357
2025 Q1	$3.01M	Sell	1,319,503 -23,660	-2%	-$69.8K	0.14%	219
2024 Q4	$4.59M	Buy	1,343,163 +51,699	+4%	+$197K	0.2%	152
2024 Q3	$5.21M	Buy	1,291,464 +579,859	+81%	+$2.82M	0.23%	136
2024 Q2	$3.94M	Buy	711,605 +302,820	+74%	+$1.77M	0.3%	80
2024 Q1	$2.44M	Buy	408,785 +214,046	+110%	+$1.29M	0.32%	57
2023 Q4	$1.31M	Buy	194,739 +24,108	+14%	+$169K	0.25%	100
2023 Q3	$1.4M	Sell	170,631 -40,777	-19%	-$289K	0.3%	84
2023 Q2	$1.27M	Buy	+211,408	New	+$1.38M	0.25%	97

Other funds holding KOS

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

EPIM

Equinox Partners Investment Management Stamford, Connecticut $212M AUM 153.42% 1-Year Est. Return

Hotchkis & Wiley Capital Management Los Angeles, California $34.3B AUM 22.63% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Grantham, Mayo, Van Otterloo & Co (GMO) Boston, Massachusetts $44.4B AUM 36.05% 1-Year Est. Return

Harbor Capital Advisors's KOS Position: Q2 2026 in Review

Harbor Capital Advisors increased its Kosmos Energy (KOS) stake by 2.5% in Q2 2026, buying an estimated $45.6K and bringing the position to 669,796 shares worth $1.41M. The position accounts for 0.1% of the portfolio, ranked #285.

Harbor Capital Advisors first reported a position in KOS in Q2 2023 and has held it in 13 quarters since. The position peaked at $5.21M in Q3 2024. 268 funds tracked by Wall St. Rank hold KOS as of Q2 2026.

Harbor Capital Advisors held 669,796 shares of Kosmos Energy worth $1.41M as of Q2 2026.
Harbor Capital Advisors bought 16,376 Kosmos Energy shares in Q2 2026, an estimated $45.6K.
Kosmos Energy made up 0.1% of Harbor Capital Advisors's portfolio in Q2 2026, its #285 holding.
Harbor Capital Advisors first reported a position in Kosmos Energy in Q2 2023 and has held it in 13 quarters since.
Harbor Capital Advisors's Kosmos Energy position peaked at $5.21M in Q3 2024.
268 funds tracked by Wall St. Rank held Kosmos Energy as of Q2 2026.

Based on Harbor Capital Advisors's 13F filing for Q2 2026, filed 7 Aug 2026.