O'Brien Greene & Co’s Kosmos Energy KOS Stock Holding History

O'Brien Greene & Co’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	$190K	Buy	+90,000	New	+$251K	0.05%	136

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

O'Brien Greene & Co's KOS Position: Q2 2026 in Review

O'Brien Greene & Co opened a new position in Kosmos Energy (KOS) in Q2 2026: 90,000 shares worth $190K. The stake represents 0.05% of the portfolio and ranks #136 among its holdings.

266 funds tracked by Wall St. Rank hold KOS as of Q2 2026.

O'Brien Greene & Co held 90,000 shares of Kosmos Energy worth $190K as of Q2 2026.
Kosmos Energy was a new O'Brien Greene & Co position in Q2 2026.
Kosmos Energy made up 0.05% of O'Brien Greene & Co's portfolio in Q2 2026, its #136 holding.
266 funds tracked by Wall St. Rank held Kosmos Energy as of Q2 2026.

Based on O'Brien Greene & Co's 13F filing for Q2 2026, filed 6 Aug 2026.