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Jefferies Financial Group’s Kosmos Energy KOS Stock Holding History

Jefferies Financial 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
Q1 		– Sell
-150,000
Closed -$136K – 1992
2025
Q4 		$136K Buy
+150,000
New +$198K ﹤0.01% 1670
2025
Q2 		– Sell
-1,644,133
Closed -$3.75M – 1588
2025
Q1 		$3.75M Buy
+1,644,133
New +$4.85M 0.03% 380
2024
Q4 		– Sell
-398,970
Closed -$1.61M – 1705
2024
Q3 		$1.61M Buy
+398,970
New +$1.94M 0.01% 654

Other funds holding KOS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
EPIM
Equinox Partners Investment Management Stamford, Connecticut $245M AUM 225.58% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
Hotchkis & Wiley Capital Management
Hotchkis & Wiley Capital Management Los Angeles, California $32.4B AUM 17.21% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
Grantham, Mayo, Van Otterloo & Co (GMO)
Grantham, Mayo, Van Otterloo & Co (GMO) Boston, Massachusetts $39.1B AUM 28.69% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Jefferies Financial Group's KOS Position: Q1 2026 in Review

Jefferies Financial Group sold out of Kosmos Energy (KOS) in Q1 2026, closing a stake of 150,000 shares — an estimated $136K sold.

Jefferies Financial Group first reported a position in KOS in Q3 2024 and held it in 3 quarters. The position peaked at $3.75M in Q1 2025. 262 funds tracked by Wall St. Rank hold KOS as of Q1 2026.

  • Jefferies Financial Group reported no remaining Kosmos Energy position as of Q1 2026 after selling out during the quarter.
  • Jefferies Financial Group sold 150,000 Kosmos Energy shares in Q1 2026, an estimated $136K.
  • Jefferies Financial Group first reported a position in Kosmos Energy in Q3 2024 and held it in 3 quarters.
  • Jefferies Financial Group's Kosmos Energy position peaked at $3.75M in Q1 2025.
  • 262 funds tracked by Wall St. Rank held Kosmos Energy as of Q1 2026.

Based on Jefferies Financial Group's 13F filing for Q1 2026, filed 8 May 2026.