What is the 13F Pro Quality Score for KOS?

13F Pro ranks Kosmos Energy Ltd. (KOS) on the 13F Pro Quality Score, a 0–100 composite of 32 fundamental signals including return on invested capital, free cash flow consistency, balance-sheet strength, earnings quality, growth durability, and valuation discipline. The score refreshes after each 10-K and 10-Q filing on SEC EDGAR. View KOS's current score at https://13fpro.ai/research/KOS (free sign-up required for the full ranking).

Which hedge funds own the most KOS stock?

Based on the most recent Form 13F-HR filings on SEC EDGAR, the largest reported institutional holders of KOS include BlackRock,, STATE STREET, Equinox Partners Investment Management. Holdings are reported quarterly within 45 days of quarter-end and updated on https://13fpro.ai/research/KOS as soon as new 13F filings post.

Where does 13F Pro source KOS data?

All Kosmos Energy Ltd. fundamentals and ownership data come directly from SEC EDGAR. Kosmos Energy Ltd. files with the SEC under CIK 1509991. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

What sector is KOS in?

Kosmos Energy Ltd. (KOS) is classified in the Energy sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/energy.

How often is KOS research updated on 13F Pro?

KOS's fundamentals refresh within hours of each new 10-K or 10-Q filing on SEC EDGAR. Institutional ownership updates after each quarterly 13F filing window. Insider transactions update after each Form 4 filing. The 13F Pro Quality Score recalculates after every fundamentals refresh.

Kosmos Energy Ltd.(KOS)Stock Analysis

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13F Pro Quality Score

Not in ranked universe

Pending next ranking run

This company passes all size and coverage filters but hasn't been included in the latest quarterly ranking run. Rankings refresh on Jan 1, Apr 1, Jul 1, Oct 1.

Financial data, filings, and institutional holdings below are still tracked in full — only the proprietary quality composite is unavailable for this name.

KOS Stock Analysis & AI Quality Score

AI stock analysis and institutional research for Kosmos Energy Ltd. (KOS), a Energy sector company. KOS is not currently included in 13F Pro's AI-ranked quality universe — this company passes all size and coverage filters but hasn't been included in the latest quarterly ranking run. rankings refresh on jan 1, apr 1, jul 1, oct 1. Based on the latest XBRL financial filings (Q1 2026), Kosmos Energy Ltd. reports quarterly revenue of $370.7M, net income of $-225.6M, free cash flow of $106.6M. Top institutional holders of KOS by reported 13-F value include BlackRock,, STATE STREET, Equinox Partners Investment Management, based on the most recent SEC filings. KOS trades on the NYSE exchange and files with the SEC under CIK 1509991. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate KOS daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for Kosmos Energy Ltd. directly from SEC EDGAR. Kosmos Energy Ltd.'s 13F Pro composite quality score has ranged between 44 and 77 since 2024, currently 43.5 — a declining long-term trajectory across 8 quarterly and live scoring snapshots.

Revenue

Q1 2026

$370.7M

Net Income

Q1 2026

$-225.6M

Free Cash Flow

Q1 2026

$106.6M

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro+

Revenue

-23.1% YoY

$1.29BFY 2025

FY22 $2.25BFY23 $1.70BFY24 $1.68BFY25 $1.29B

Net Income

-468.6% YoY

$-699.8MFY 2025

FY22 $226.6MFY23 $213.5MFY24 $189.9MFY25 $-699.8M

EPS (Diluted)

-467.5% YoY

$-1.47FY 2025

FY22 $0.48FY23 $0.44FY24 $0.40FY25 $-1.47

Total Assets

-11.5% YoY

$4.70BFY 2025

FY22 $4.58BFY23 $4.94BFY24 $5.31BFY25 $4.70B

Total Debt

+16.0% YoY

$3.18BFY 2025

FY22 $2.26BFY23 $2.39BFY24 $2.74BFY25 $3.18B

Op. Cash Flow

-80.2% YoY

$134.0MFY 2025

FY22 $1.13BFY23 $765.2MFY24 $678.2MFY25 $134.0M

Metric	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021	FY 2020
Revenue	$1.29B -23.1%	$1.68B -1.5%	$1.70B -24.2%	$2.25B +68.6%	$1.33B +65.7%	$804.0M
Net Income	$-699.8M -468.6%	$189.9M -11.1%	$213.5M -5.8%	$226.6M +391.1%	$-77.8M +81.1%	$-411.6M
EPS (Diluted)	$-1.47 -467.5%	$0.40 -9.1%	$0.44 -8.3%	$0.48 +352.6%	$-0.19 +81.4%	$-1.02
Total Assets	$4.70B -11.5%	$5.31B +7.5%	$4.94B +7.8%	$4.58B -7.3%	$4.94B +27.7%	$3.87B
Total Debt	$3.18B +16.0%	$2.74B +14.8%	$2.39B +6.0%	$2.26B -14.9%	$2.65B +25.1%	$2.12B
Operating Cash Flow	$134.0M -80.2%	$678.2M -11.4%	$765.2M -32.3%	$1.13B +202.0%	$374.3M +90.9%	$196.1M

AI Insight: KOS Ratio Trends

Kosmos Energy deteriorated sharply from profitable operations in mid-2024 to massive losses, with operating margin collapsing from 30.0% in Q2 2024 to -65.0% in Q1 2026.

• Operating margin collapsed from 30.0% in Q2 2024 to -65.0% in Q1 2026.

• Net profit margin plunged from 13.3% in Q2 2024 to -60.9% in Q1 2026.

• ROIC deteriorated from 14.5% in Q2 2024 to -28.0% in Q1 2026.

• Debt-to-equity ratio more than doubled from 2.27 in Q2 2024 to 5.68 in Q1 2026.

⚠ Operating margin hit -125.7% in Q4 2025, the worst quarterly performance in the dataset.

⚠ Leverage spike above 5x debt-to-equity signals potential financial distress.

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Available Research

13F Pro tracks comprehensive data for Kosmos Energy Ltd. including:

SEC EDGAR filings (10-K, 10-Q, 8-K)

XBRL financial facts (revenue, EPS, margins)

Insider transactions (Form 4)

Institutional 13F holdings

Quality rankings (32 signals)

AI analyst debates & daily meetings

Historical financial trends

Peer comparison & sector analysis

Top Institutional Holders of KOS

BlackRock, Inc.
$131.9M47,463,094 sh
STATE STREET CORP
$78.5M28,247,797 sh
Equinox Partners Investment Management LLC
$57.5M20,678,033 sh
D. E. Shaw & Co., Inc.
$56.7M20,385,745 sh
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC
$55.7M20,051,601 sh
TWO SIGMA INVESTMENTS, LP
$51.9M18,680,328 sh
Grantham, Mayo, Van Otterloo & Co. LLC
$50.9M18,307,718 sh
LMR Partners LLP
$44.8M58,970,000 sh
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
$39.3M14,135,448 sh
FMR LLC
$36.0M46,145,000 sh

Fund	Value	Shares
BlackRock, Inc.	$131.9M	47,463,094
STATE STREET CORP	$78.5M	28,247,797
Equinox Partners Investment Management LLC	$57.5M	20,678,033
D. E. Shaw & Co., Inc.	$56.7M	20,385,745
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	$55.7M	20,051,601
TWO SIGMA INVESTMENTS, LP	$51.9M	18,680,328
Grantham, Mayo, Van Otterloo & Co. LLC	$50.9M	18,307,718
LMR Partners LLP	$44.8M	58,970,000
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	$39.3M	14,135,448
FMR LLC	$36.0M	46,145,000

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Is KOS a good stock to buy?

13F Pro's AI-powered analysis of Kosmos Energy Ltd. (KOS) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Energy sector (listed on NYSE). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for KOS are available on the KOS stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing.

Which hedge funds own KOS?

Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling KOS. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of Kosmos Energy Ltd.'s investment landscape.