Ticker · CUSIP 500688106

KOS

KOSMOS ENERGY LTD

Energy·Oil & Gas E&P

···Share

Holders (tracked)

Combined shares

69,124,036

Combined value

$62.72M

Last close

$2.48

Quarter

2025Q4

Price is +173.3% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$2.48+0.69 (+38.55%)H $3.10 · L $0.87 · Avg Vol 15.4M

Tracked holders · last 8 quarters

-1 vs previous quarter over the last 8.

SEC event timeline

21 events

D.E. Shaw & Co. added2026-02-17
+4,044,309 shares · 2025Q4
Position
Ken Griffin (Citadel Advisors) trimmed2026-02-17
−1,069,269 shares · 2025Q4
Position
Two Sigma Investments added2026-02-17
+2,130,152 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) trimmed2026-02-17
−1,351,482 shares · 2025Q4
Position
Steve Cohen (Point72) opened position2026-02-17
+621,106 shares · 2025Q4
Position
T. Rowe Price trimmed2026-02-17
−108,630 shares · 2025Q4
Position
Wellington Management exited2026-02-17
−47,443 shares · 2025Q4
Position
Jeremy Grantham (GMO) added2026-02-17
+23,350 shares · 2025Q4
Position
AQR Capital Management added2026-02-17
+353,220 shares · 2025Q4
Position
Renaissance Technologies added2026-02-12
+1,347,585 shares · 2025Q4
Position
First Eagle Investment Management exited2026-02-04
−2,747,831 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) added2025-11-14
+8,517,109 shares · 2025Q3
Position
Steve Cohen (Point72) exited2025-11-14
−478,080 shares · 2025Q3
Position
Wellington Management opened position2025-11-14
+47,443 shares · 2025Q3
Position
Two Sigma Investments added2025-11-14
+367,079 shares · 2025Q3
Position
AQR Capital Management trimmed2025-11-14
−70,607 shares · 2025Q3
Position
D.E. Shaw & Co. added2025-11-14
+1,464,678 shares · 2025Q3
Position
T. Rowe Price trimmed2025-11-14
−27,686 shares · 2025Q3
Position
Jeremy Grantham (GMO) trimmed2025-11-13
−2,039,300 shares · 2025Q3
Position
Renaissance Technologies opened position2025-11-13
+300,253 shares · 2025Q3
Position
First Eagle Investment Management added2025-11-12
+698,740 shares · 2025Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for KOS →

Follow-the-investor returns

If you'd copied each holder of KOS…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
Ken Griffin (Citadel Advisors)	2019Q1	$0.95	+161.8%	$13.8M
Ken Griffin (Citadel Advisors)	2019Q1	$0.95	+161.8%	$13.8M
Ken Griffin (Citadel Advisors)	2019Q1	$0.95	+161.8%	$13.8M
D.E. Shaw & Co.	2018Q4	$1.20	+106.5%	$14.8M
Two Sigma Investments	2018Q4	$1.29	+93.0%	$9.6M
Renaissance Technologies	2019Q4	$1.82	+36.2%	$4.1M
Steve Cohen (Point72)	2018Q4	$2.07	+20.1%	$1.5M
AQR Capital Management	2019Q1	$2.07	+20.1%	$1.3M
Izzy Englander (Millennium Mgmt)	2018Q4	$2.21	+12.2%	$36.8M
Jeremy Grantham (GMO)	2020Q2	$3.32	-25.2%	$86.3M
T. Rowe Price	2018Q4	$6.81	-63.6%	$695K

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions1

Steve Cohen (Point72)
+621,106
$564K

Added to5

D.E. Shaw & Co.
+4,044,309
$3.7M
Two Sigma Investments
+2,130,152
$1.9M
Renaissance Technologies
+1,347,585
$1.2M
AQR Capital Management
+353,220
$321K
Jeremy Grantham (GMO)
+23,350
$21K

Trimmed3

Izzy Englander (Millennium Mgmt)
−1,351,482
$1.2M
Ken Griffin (Citadel Advisors)
−1,069,269
$970K
T. Rowe Price
−108,630
$98

Exited2

First Eagle Investment Management
−2,747,831
$4.6M
Wellington Management
−47,443
$79K

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	12	87,823,394	$631.5M	—
2022Q2	12	78,100,836	$483.4M	—
2022Q3	13	73,274,948	$378.8M	+1
2022Q4	12	80,322,176	$510.8M	-1
2023Q1	12	83,719,043	$622.9M	—
2023Q2	10	91,504,395	$548.1M	-2
2023Q3	11	94,805,077	$775.5M	+1
2023Q4	11	94,773,090	$635.9M	—
2024Q1	12	105,807,008	$630.6M	+1
2024Q2	12	99,464,959	$551.0M	—
2024Q3	11	52,842,056	$213.0M	-1
2024Q4	9	47,138,870	$161.2M	-2
2025Q1	10	54,710,506	$124.7M	+1
2025Q2	11	59,819,650	$102.9M	+1
2025Q3	12	65,757,469	$109.2M	+1
2025Q4	11	69,124,036	$62.7M	-1

Who owns KOS

11 super-investors · 2025Q4

Tracked stake

69.12M

Combined value

$63M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New1Added5Trim5

#	Manager	Shares	Value	% of book	Last action
1	Jeremy Grantham GMO	34.80M	$32M	0.1%	Added+23.4K
2	Izzy Englander Millennium Mgmt	14.83M	$13M	0.0%	Trim−1.35M
3	D.E. Shaw & Co.	5.97M	$5M	0.0%	Added+4.04M
4	Ken Griffin Citadel Advisors	5.56M	$5M	0.0%	Trim−1.07M
5	Two Sigma Investments	3.86M	$3M	0.0%	Added+2.13M
6	Renaissance Technologies	1.65M	$1M	0.0%	Added+1.35M
7	Ken Griffin Citadel Advisors	736.3K	$668K	0.0%	Trim−1.07M
8	Steve Cohen Point72	621.1K	$564K	0.0%	New+621.1K
9	AQR Capital Management	536.3K	$487K	0.0%	Added+353.2K
10	Ken Griffin Citadel Advisors	292.4K	$265K	0.0%	Trim−1.07M
11	T. Rowe Price	280.4K	$253K	0.0%	Trim−108.6K

Recent moves

20 transactions

ADDAQR Capital Management
+353,220 · 2025Q4
ADDJeremy Grantham (GMO)
+23,350 · 2025Q4
TRIMIzzy Englander (Millennium Mgmt)
−1,351,482 · 2025Q4
TRIMT. Rowe Price
−108,630 · 2025Q4
NEWSteve Cohen (Point72)
+621,106 · 2025Q4
TRIMKen Griffin (Citadel Advisors)
−1,069,269 · 2025Q4
ADDTwo Sigma Investments
+2,130,152 · 2025Q4
SOLDWellington Management
−47,443 · 2025Q4
ADDD.E. Shaw & Co.
+4,044,309 · 2025Q4
ADDRenaissance Technologies
+1,347,585 · 2025Q4
SOLDFirst Eagle Investment Management
−2,747,831 · 2025Q4
SOLDSteve Cohen (Point72)
−478,080 · 2025Q3
ADDD.E. Shaw & Co.
+1,464,678 · 2025Q3
ADDIzzy Englander (Millennium Mgmt)
+8,517,109 · 2025Q3
TRIMT. Rowe Price
−27,686 · 2025Q3
NEWWellington Management
+47,443 · 2025Q3
TRIMAQR Capital Management
−70,607 · 2025Q3
ADDTwo Sigma Investments
+367,079 · 2025Q3
TRIMJeremy Grantham (GMO)
−2,039,300 · 2025Q3
NEWRenaissance Technologies
+300,253 · 2025Q3

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