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
$3.2M Buy
1,151,500
+859,100
+294% +$1.61M ﹤0.01% 5136
2025
Q4
$265K Sell
292,400
-70,200
-19% -$92.5K ﹤0.01% 10413
2025
Q3
$602K Sell
362,600
-59,800
-14% -$112K ﹤0.01% 8675
2025
Q2
$727K Sell
422,400
-123,900
-23% -$224K ﹤0.01% 7762
2025
Q1
$1.25M Buy
546,300
+409,900
+301% +$1.21M ﹤0.01% 6477
2024
Q4
$466K Buy
136,400
+112,500
+471% +$428K ﹤0.01% 8713
2024
Q3
$96.3K Sell
23,900
-19,700
-45% -$96K ﹤0.01% 11160
2024
Q2
$242K Sell
43,600
-44,200
-50% -$258K ﹤0.01% 9555
2024
Q1
$523K Sell
87,800
-82,800
-49% -$498K ﹤0.01% 8294
2023
Q4
$1.14M Buy
170,600
+36,300
+27% +$254K ﹤0.01% 6415
2023
Q3
$1.1M Buy
134,300
+72,400
+117% +$513K ﹤0.01% 6368
2023
Q2
$371K Sell
61,900
-77,600
-56% -$505K ﹤0.01% 8571
2023
Q1
$1.04M Sell
139,500
-196,900
-59% -$1.44M ﹤0.01% 6703
2022
Q4
$2.14M Buy
336,400
+206,100
+158% +$1.29M ﹤0.01% 5345
2022
Q3
$674K Sell
130,300
-84,400
-39% -$511K ﹤0.01% 7820
2022
Q2
$1.33M Buy
214,700
+151,300
+239% +$1.09M ﹤0.01% 6389
2022
Q1
$456K Buy
63,400
+15,000
+31% +$76.5K ﹤0.01% 9608
2021
Q4
$167K Buy
48,400
+21,600
+81% +$77.5K ﹤0.01% 12126
2021
Q3
$79K Sell
26,800
-9,100
-25% -$22.2K ﹤0.01% 13079
2021
Q2
$124K Buy
+35,900
New +$111K ﹤0.01% 12712
2020
Q4
Sell
-23,400
Closed -$23K 11237
2020
Q3
$23K Buy
23,400
+900
+4% +$1.32K ﹤0.01% 9830
2020
Q2
$37K Buy
+22,500
New +$36.1K ﹤0.01% 9412
2019
Q2
Sell
-15,300
Closed -$95K 9533
2019
Q1
$95K Buy
15,300
+100
+0.7% +$555 ﹤0.01% 8578
2018
Q4
$62K Buy
+15,200
New +$93.9K ﹤0.01% 8430
2018
Q3
Sell
-18,300
Closed -$151K 9488
2018
Q2
$151K Buy
+18,300
New +$134K ﹤0.01% 8065
2017
Q4
Sell
-11,000
Closed -$88K 8228
2017
Q3
$88K Buy
+11,000
New +$76K ﹤0.01% 7068
2016
Q1
Sell
-2,400
Closed -$12K 7392
2015
Q4
$12K Sell
2,400
-10,400
-81% -$69K ﹤0.01% 8205
2015
Q3
$71K Buy
12,800
+3,200
+33% +$22.2K ﹤0.01% 7287
2015
Q2
$81K Sell
9,600
-640,400
-99% -$5.7M ﹤0.01% 7290
2015
Q1
$5.14M Sell
650,000
-1,600
-0.2% -$13.4K ﹤0.01% 2010
2014
Q4
$5.47M Buy
651,600
+649,500
+30,929% +$5.79M 0.01% 1899
2014
Q3
$21K Buy
+2,100
New +$21K ﹤0.01% 7389

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.