Wellington Management Group
KOS icon

Wellington Management Group’s Kosmos Energy KOS Stock Holding History

Wellington Management 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 		$207K Buy
+74,323
New +$140K ﹤0.01% 1837
2025
Q4 		– Sell
-47,443
Closed -$78.8K – 2004
2025
Q3 		$78.8K Buy
+47,443
New +$88.7K ﹤0.01% 1965
2022
Q2 		– Sell
-153,964
Closed -$1.11M – 2141
2022
Q1 		$1.11M Buy
+153,964
New +$785K ﹤0.01% 1716
2021
Q3 		– Sell
-1,723,329
Closed -$5.96M – 2210
2021
Q2 		$5.96M Sell
1,723,329
-11,602,815
-87% -$36M ﹤0.01% 1458
2021
Q1 		$40.9M Sell
13,326,144
-981,553
-7% -$2.87M 0.01% 860
2020
Q4 		$33.6M Buy
14,307,697
+2,527,160
+21% +$4M 0.01% 895
2020
Q3 		$11.5M Sell
11,780,537
-969,482
-8% -$1.42M ﹤0.01% 1069
2020
Q2 		$21.2M Buy
12,750,019
+313,021
+3% +$502K ﹤0.01% 911
2020
Q1 		$11.1M Sell
12,436,998
-23,308,603
-65% -$92.6M ﹤0.01% 1015
2019
Q4 		$204M Buy
35,745,601
+8,113,363
+29% +$49M 0.04% 402
2019
Q3 		$172M Buy
27,632,238
+1,031,515
+4% +$6.33M 0.04% 419
2019
Q2 		$167M Buy
26,600,723
+4,422,139
+20% +$28.2M 0.04% 413
2019
Q1 		$138M Buy
22,178,584
+8,317,708
+60% +$46.1M 0.03% 467
2018
Q4 		$56.4M Buy
13,860,876
+8,218,102
+146% +$50.8M 0.01% 681
2018
Q3 		$52.8M Buy
5,642,774
+5,560,214
+6,735% +$47M 0.01% 783
2018
Q2 		$682K Sell
82,560
-11,741
-12% -$85.7K ﹤0.01% 1962
2018
Q1 		$594K Buy
94,301
+39,119
+71% +$245K ﹤0.01% 1991
2017
Q4 		$378K Sell
55,182
-6,010
-10% -$45.8K ﹤0.01% 2091
2017
Q3 		$487K Sell
61,192
-51,389
-46% -$355K ﹤0.01% 2044
2017
Q2 		$722K Buy
112,581
+45,302
+67% +$287K ﹤0.01% 1964
2017
Q1 		$448K Buy
+67,279
New +$423K ﹤0.01% 2092
2015
Q2 		– Sell
-56,844
Closed -$449K – 2179
2015
Q1 		$449K Buy
+56,844
New +$477K ﹤0.01% 2008

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

Wellington Management Group's KOS Position: Q1 2026 in Review

Wellington Management Group opened a new position in Kosmos Energy (KOS) in Q1 2026: 74,323 shares worth $207K. The stake represents ﹤0.01% of the portfolio and ranks #1837 among its holdings. This is a return to the name: Wellington Management Group previously reported a position in KOS as recently as Q3 2025.

Wellington Management Group first reported a position in KOS in Q1 2015 and has held it in 22 quarters since. The position peaked at $204M in Q4 2019. 262 funds tracked by Wall St. Rank hold KOS as of Q1 2026.

  • Wellington Management Group held 74,323 shares of Kosmos Energy worth $207K as of Q1 2026.
  • Kosmos Energy was a new Wellington Management Group position in Q1 2026.
  • Kosmos Energy made up ﹤0.01% of Wellington Management Group's portfolio in Q1 2026, its #1837 holding.
  • Wellington Management Group first reported a position in Kosmos Energy in Q1 2015 and has held it in 22 quarters since.
  • Wellington Management Group's Kosmos Energy position peaked at $204M in Q4 2019.
  • 262 funds tracked by Wall St. Rank held Kosmos Energy as of Q1 2026.

Based on Wellington Management Group's 13F filing for Q1 2026, filed 15 May 2026.