Jim Simons
KOS icon

Jim Simons’s Kosmos Energy KOS Stock Holding History

Jim Simons’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 		$14.8M Buy
5,339,638
+3,691,800
+224% +$6.94M 0.02% 775
2025
Q4 		$1.5M Buy
1,647,838
+1,347,585
+449% +$1.78M ﹤0.01% 2050
2025
Q3 		$498K Buy
+300,253
New +$562K ﹤0.01% 2791
2024
Q3 		– Sell
-1,462,835
Closed -$8.1M – 3724
2024
Q2 		$8.1M Buy
1,462,835
+4,395
+0.3% +$25.6K 0.01% 1043
2024
Q1 		$8.69M Buy
1,458,440
+1,430,302
+5,083% +$8.6M 0.01% 1071
2023
Q4 		$189K Buy
+28,138
New +$197K ﹤0.01% 3147
2023
Q2 		– Sell
-736,038
Closed -$5.48M – 4103
2023
Q1 		$5.48M Buy
+736,038
New +$5.39M 0.01% 1422
2021
Q3 		– Sell
-788,816
Closed -$2.73M – 3662
2021
Q2 		$2.73M Buy
+788,816
New +$2.44M ﹤0.01% 2038
2020
Q2 		– Sell
-197,938
Closed -$177K – 3616
2020
Q1 		$177K Sell
197,938
-844,700
-81% -$3.36M ﹤0.01% 3122
2019
Q4 		$5.94M Buy
+1,042,638
New +$6.29M ﹤0.01% 1746
2018
Q1 		– Sell
-233,638
Closed -$1.6M – 3471
2017
Q4 		$1.6M Sell
233,638
-211,000
-47% -$1.61M ﹤0.01% 2465
2017
Q3 		$3.54M Buy
+444,638
New +$3.07M ﹤0.01% 1968
2016
Q1 		– Sell
-324,869
Closed -$1.69M – 3449
2015
Q4 		$1.69M Sell
324,869
-141,361
-30% -$938K ﹤0.01% 2211
2015
Q3 		$2.6M Buy
466,230
+202,642
+77% +$1.4M 0.01% 1831
2015
Q2 		$2.22M Buy
+263,588
New +$2.35M 0.01% 1998
2014
Q3 		– Sell
-640,633
Closed -$7.19M – 2873
2014
Q2 		$7.19M Buy
+640,633
New +$6.85M 0.02% 1030
2014
Q1 		– Sell
-112,338
Closed -$1.26M – 2925
2013
Q4 		$1.26M Sell
112,338
-296,900
-73% -$3.18M ﹤0.01% 1970
2013
Q3 		$4.21M Buy
+409,238
New +$4.29M 0.01% 1264

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 $1.88T AUM 44.46% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Jim Simons's KOS Position: Q1 2026 in Review

Jim Simons increased its Kosmos Energy (KOS) stake by 224% in Q1 2026, buying an estimated $6.94M and bringing the position to 5,339,638 shares worth $14.8M. The position accounts for 0.02% of the portfolio, ranked #775.

Jim Simons first reported a position in KOS in Q3 2013 and has held it in 18 quarters since. 262 funds tracked by Wall St. Rank hold KOS as of Q1 2026.

  • Jim Simons held 5,339,638 shares of Kosmos Energy worth $14.8M as of Q1 2026.
  • Jim Simons bought 3,691,800 Kosmos Energy shares in Q1 2026, an estimated $6.94M.
  • Kosmos Energy made up 0.02% of Jim Simons's portfolio in Q1 2026, its #775 holding.
  • Jim Simons first reported a position in Kosmos Energy in Q3 2013 and has held it in 18 quarters since.
  • 262 funds tracked by Wall St. Rank held Kosmos Energy as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.