Aventail Capital Group’s Kosmos Energy KOS Stock Holding History

Aventail Capital Group’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	–	Sell	-500,000	Closed	-$1.39M	–	182
2026 Q1	$1.39M	Buy	+500,000	New	+$940K	0.07%	164
2024 Q2	–	Sell	-500,000	Closed	-$2.98M	–	102
2024 Q1	$2.98M	Sell	500,000 -1,587,461	-76%	-$9.55M	0.23%	56
2023 Q4	$14M	Buy	2,087,461 +1,917,955	+1,131%	+$13.4M	1.19%	27
2023 Q3	$1.39M	Buy	+169,506	New	+$1.2M	0.1%	57
2023 Q2	–	Sell	-1,315,000	Closed	-$9.78M	–	62
2023 Q1	$9.78M	Buy	1,315,000 +815,000	+163%	+$5.97M	0.83%	28
2022 Q4	$3.18M	Buy	+500,000	New	+$3.12M	0.38%	33

Other funds holding KOS

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

State Street Boston, Massachusetts $3.37T AUM 44.26% 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

Aventail Capital Group's KOS Position: Q2 2026 in Review

Aventail Capital Group sold out of Kosmos Energy (KOS) in Q2 2026, closing a stake of 500,000 shares — an estimated $1.39M sold.

Aventail Capital Group first reported a position in KOS in Q4 2022 and held it in 6 quarters. The position peaked at $14M in Q4 2023. 267 funds tracked by Wall St. Rank hold KOS as of Q2 2026.

Aventail Capital Group reported no remaining Kosmos Energy position as of Q2 2026 after selling out during the quarter.
Aventail Capital Group sold 500,000 Kosmos Energy shares in Q2 2026, an estimated $1.39M.
Aventail Capital Group first reported a position in Kosmos Energy in Q4 2022 and held it in 6 quarters.
Aventail Capital Group's Kosmos Energy position peaked at $14M in Q4 2023.
267 funds tracked by Wall St. Rank held Kosmos Energy as of Q2 2026.

Based on Aventail Capital Group's 13F filing for Q2 2026, filed 14 Aug 2026.