Citadel Advisors’s Kosmos Energy KOS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$12.4M Sell
4,450,077
-1,106,175
-20% -$2.08M ﹤0.01% 2950
2025
Q4
$5.04M Sell
5,556,252
-1,069,269
-16% -$1.41M ﹤0.01% 4277
2025
Q3
$11M Sell
6,625,521
-2,824,810
-30% -$5.28M ﹤0.01% 3138
2025
Q2
$16.3M Buy
9,450,331
+4,446,871
+89% +$8.05M ﹤0.01% 2397
2025
Q1
$11.4M Buy
5,003,460
+1,753,101
+54% +$5.17M ﹤0.01% 2682
2024
Q4
$11.1M Buy
+3,250,359
New +$12.4M ﹤0.01% 2847
2024
Q3
Sell
-1,177,442
Closed -$5.74M 14788
2024
Q2
$6.52M Sell
1,177,442
-688,071
-37% -$4.01M ﹤0.01% 3361
2024
Q1
$11.1M Buy
1,865,513
+1,743,161
+1,425% +$10.5M ﹤0.01% 2811
2023
Q4
$821K Sell
122,352
-115,848
-49% -$811K ﹤0.01% 7080
2023
Q3
$1.95M Sell
238,200
-1,905,467
-89% -$13.5M ﹤0.01% 5263
2023
Q2
$12.8M Buy
2,143,667
+1,945,390
+981% +$12.7M ﹤0.01% 2361
2023
Q1
$1.48M Sell
198,277
-201,672
-50% -$1.48M ﹤0.01% 5943
2022
Q4
$2.54M Sell
399,949
-2,448,891
-86% -$15.3M ﹤0.01% 5037
2022
Q3
$14.7M Sell
2,848,840
-56,603
-2% -$343K ﹤0.01% 2246
2022
Q2
$18M Buy
2,905,443
+1,673,526
+136% +$12.1M ﹤0.01% 1957
2022
Q1
$8.86M Buy
1,231,917
+661,099
+116% +$3.37M ﹤0.01% 3147
2021
Q4
$1.98M Buy
570,818
+406,176
+247% +$1.46M ﹤0.01% 6271
2021
Q3
$487K Sell
164,642
-672,775
-80% -$1.64M ﹤0.01% 9937
2021
Q2
$2.9M Buy
837,417
+778,007
+1,310% +$2.41M ﹤0.01% 5689
2021
Q1
$183K Sell
59,410
-166,348
-74% -$486K ﹤0.01% 11808
2020
Q4
$531K Buy
225,758
+165,670
+276% +$262K ﹤0.01% 8036
2020
Q3
$59K Sell
60,088
-38,879
-39% -$57.1K ﹤0.01% 9539
2020
Q2
$164K Sell
98,967
-2,355,451
-96% -$3.78M ﹤0.01% 8677
2020
Q1
$2.2M Buy
2,454,418
+2,178,658
+790% +$8.66M ﹤0.01% 3987
2019
Q4
$1.57M Sell
275,760
-1,715,237
-86% -$10.3M ﹤0.01% 4803
2019
Q3
$12.4M Sell
1,990,997
-1,157,344
-37% -$7.11M 0.01% 1972
2019
Q2
$19.7M Buy
3,148,341
+1,015,296
+48% +$6.48M 0.01% 1440
2019
Q1
$13.3M Buy
2,133,045
+808,639
+61% +$4.49M 0.01% 1737
2018
Q4
$5.39M Sell
1,324,406
-697,813
-35% -$4.31M ﹤0.01% 2675
2018
Q3
$18.9M Buy
2,022,219
+720,976
+55% +$6.09M 0.01% 1443
2018
Q2
$10.8M Buy
1,301,243
+1,287,264
+9,209% +$9.4M 0.01% 1861
2018
Q1
$88K Sell
13,979
-316,941
-96% -$1.99M ﹤0.01% 7752
2017
Q4
$2.27M Sell
330,920
-400,180
-55% -$3.05M ﹤0.01% 3465
2017
Q3
$5.82M Sell
731,100
-567,260
-44% -$3.92M ﹤0.01% 2138
2017
Q2
$8.32M Buy
+1,298,360
New +$8.23M 0.01% 1602
2017
Q1
Sell
-698,941
Closed -$4.9M 7770
2016
Q4
$4.9M Buy
698,941
+239,624
+52% +$1.36M ﹤0.01% 2027
2016
Q3
$2.94M Sell
459,317
-1,111,084
-71% -$6.48M ﹤0.01% 2518
2016
Q2
$8.56M Buy
1,570,401
+1,202,658
+327% +$6.8M 0.01% 1361
2016
Q1
$2.14M Sell
367,743
-2,831,304
-89% -$13.4M ﹤0.01% 2569
2015
Q4
$16.6M Buy
3,199,047
+880,458
+38% +$5.84M 0.02% 944
2015
Q3
$12.9M Sell
2,318,589
-299,786
-11% -$2.08M 0.01% 1174
2015
Q2
$22.1M Buy
2,618,375
+629,557
+32% +$5.6M 0.02% 930
2015
Q1
$15.7M Buy
1,988,818
+197,622
+11% +$1.66M 0.01% 1128
2014
Q4
$15M Buy
1,791,196
+42,930
+2% +$383K 0.01% 1125
2014
Q3
$17.4M Buy
1,748,266
+144,830
+9% +$1.45M 0.02% 986
2014
Q2
$18M Buy
1,603,436
+249,303
+18% +$2.67M 0.02% 874
2014
Q1
$14.9M Buy
1,354,133
+40,204
+3% +$431K 0.02% 1022
2013
Q4
$14.7M Buy
1,313,929
+1,018,418
+345% +$10.9M 0.02% 977
2013
Q3
$3.04M Sell
295,511
-2,956,066
-91% -$31M ﹤0.01% 2018
2013
Q2
$33M Buy
+3,251,577
New +$35.2M 0.06% 406

Other funds holding KOS

Citadel Advisors's KOS Position: Q1 2026 in Review

Citadel Advisors reduced its Kosmos Energy (KOS) stake by 20% in Q1 2026, selling an estimated $2.08M and leaving 4,450,077 shares worth $12.4M. The position accounts for ﹤0.01% of the portfolio, ranked #2950.

Citadel Advisors first reported a position in KOS in Q2 2013 and has held it in 50 quarters since. The position peaked at $33M in Q2 2013. 262 funds tracked by Wall St. Rank hold KOS as of Q1 2026.

  • Citadel Advisors held 4,450,077 shares of Kosmos Energy worth $12.4M as of Q1 2026.
  • Citadel Advisors sold 1,106,175 Kosmos Energy shares in Q1 2026, an estimated $2.08M.
  • Kosmos Energy made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #2950 holding.
  • Citadel Advisors first reported a position in Kosmos Energy in Q2 2013 and has held it in 50 quarters since.
  • Citadel Advisors's Kosmos Energy position peaked at $33M in Q2 2013.
  • 262 funds tracked by Wall St. Rank held Kosmos Energy as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.