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Atom Investors’s Kosmos Energy KOS Stock Holding History

Atom Investors’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
-231,275
Closed -$210K – 753
2025
Q4 		$210K Buy
+231,275
New +$305K 0.02% 498
2022
Q4 		– Sell
-15,997
Closed -$83K – 273
2022
Q3 		$83K Buy
+15,997
New +$96.9K 0.03% 246
2021
Q1 		– Sell
-62,987
Closed -$148K – 342
2020
Q4 		$148K Sell
62,987
-36,423
-37% -$57.7K 0.01% 336
2020
Q3 		$97K Buy
+99,410
New +$146K 0.01% 478

Other funds holding KOS

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 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

Atom Investors's KOS Position: Q1 2026 in Review

Atom Investors sold out of Kosmos Energy (KOS) in Q1 2026, closing a stake of 231,275 shares — an estimated $210K sold.

Atom Investors first reported a position in KOS in Q3 2020 and held it in 4 quarters. The position peaked at $210K in Q4 2025. 262 funds tracked by Wall St. Rank hold KOS as of Q1 2026.

  • Atom Investors reported no remaining Kosmos Energy position as of Q1 2026 after selling out during the quarter.
  • Atom Investors sold 231,275 Kosmos Energy shares in Q1 2026, an estimated $210K.
  • Atom Investors first reported a position in Kosmos Energy in Q3 2020 and held it in 4 quarters.
  • Atom Investors's Kosmos Energy position peaked at $210K in Q4 2025.
  • 262 funds tracked by Wall St. Rank held Kosmos Energy as of Q1 2026.

Based on Atom Investors's 13F filing for Q1 2026, filed 15 May 2026.