What is the 13F Pro Quality Score for KEX?

13F Pro ranks KIRBY CORP (KEX) 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 KEX's current score at https://13fpro.ai/research/KEX (free sign-up required for the full ranking).

Which hedge funds own the most KEX stock?

Based on the most recent Form 13F-HR filings on SEC EDGAR, the largest reported institutional holders of KEX include BlackRock,, GOLDMAN SACHS GROUP, MORGAN STANLEY. Holdings are reported quarterly within 45 days of quarter-end and updated on https://13fpro.ai/research/KEX as soon as new 13F filings post.

Where does 13F Pro source KEX data?

All KIRBY CORP fundamentals and ownership data come directly from SEC EDGAR. KIRBY CORP files with the SEC under CIK 56047. 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 KEX in?

KIRBY CORP (KEX) is classified in the Industrials sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/industrials.

How often is KEX research updated on 13F Pro?

KEX'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.

KIRBY CORP(KEX)Stock Analysis

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13F Pro Quality Score

64.1/100

Rank #655 of 2,879 stocksTOP 25%

View Industrials peers →

Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Aug 14, 2026.

Revenue Growth

47.5/100

Profitability

69.4/100

Balance Sheet

73.7/100

Earnings Quality

70.1/100

Free Cash Flow

52.6/100

Institutional Flow

74.9/100

Revenue Scale

71.9/100

Dilution Risk

74.1/100

KEX Stock Analysis & AI Quality Score

AI stock analysis and institutional research for KIRBY CORP (KEX), a Industrials sector company. 13F Pro's AI-powered ranking engine scores KEX at 64.1/100 on a 32-signal composite quality model, placing it at rank #655 of 2,879 stocks — the top 25% of the AI-ranked universe. Based on the latest XBRL financial filings (Q1 2026), KIRBY CORP reports quarterly revenue of $844.1M, net income of $81.2M, an operating margin of 12.8%. Top institutional holders of KEX by reported 13-F value include BlackRock,, GOLDMAN SACHS GROUP, MORGAN STANLEY, based on the most recent SEC filings. KEX trades on the NYSE exchange and files with the SEC under CIK 56047. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate KEX 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 KIRBY CORP directly from SEC EDGAR. KIRBY CORP's 13F Pro composite quality score has ranged between 8 and 77 since 2021, currently 64.1 — an improving long-term trajectory across 56 quarterly and live scoring snapshots.

✦

Fun facts about KIRBY CORP

Quirks, history, and lore behind KEX — the kind of stuff that makes a stock memorable.

1
The Basics
U.S. industrials company · mid-cap · listed on NYSE · headquartered in Houston, Texas.
2
The Numbers
Annual revenue in the range of $3–4 billion, built almost entirely on moving things through America's inland waterways — the Mississippi, Ohio, and Gulf Coast system.
3
The History
Founded in the 1920s, it grew by consolidating a fragmented barge industry and became one of the largest inland marine transportation operators in the United States.
4
The Secret
It also runs a sizable diesel engine distribution and marine services business on the side — so when the boats break, it fixes them too.
5
The Lore
Its towboats and tank barges haul bulk commodities like petrochemicals, black oil, and agricultural products — quietly keeping the heartland economy moving while nobody watches.
6
The Giveaway
Ticker KEX, named after a certain vacuum-cleaner-sharing cat — this Houston barge giant is the dominant force on America's inland waterway network.

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Revenue

Q1 2026

$844.1M

Net Income

Q1 2026

$81.2M

Free Cash Flow

Q1 2026

$49.4M

Operating Margin

Q1 2026

12.8%

D/E Ratio

Q1 2026

0.29

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro+

Revenue

+8.8% YoY

$3.36BFY 2025

FY19 $2.84BFY20 $2.17BFY23 $3.09BFY25 $3.36B

Net Income

+59.0% YoY

$354.6MFY 2025

FY19 $142.3MFY20 $-272.5MFY23 $222.9MFY25 $354.6M

Operating Income

+48.1% YoY

$496.3MFY 2025

FY19 $242.0MFY20 $-420.8MFY23 $335.1MFY25 $496.3M

EPS (Diluted)

+70.2% YoY

$6.33FY 2025

FY19 $2.37FY20 $-4.55FY23 $3.72FY25 $6.33

Total Assets

+5.0% YoY

$6.01BFY 2025

FY19 $6.08BFY20 $5.92BFY23 $5.72BFY25 $6.01B

Total Debt

-9.6% YoY

$919.3MFY 2025

FY19 $1.37BFY20 $1.47BFY23 $1.02BFY25 $919.3M

Op. Cash Flow

+24.1% YoY

$670.2MFY 2025

FY19 $511.8MFY20 $444.9MFY23 $540.2MFY25 $670.2M

Metric	FY 2025	FY 2023	FY 2020	FY 2019	FY 2018	FY 2017
Revenue	$3.36B +8.8%	$3.09B +42.4%	$2.17B -23.5%	$2.84B -4.5%	$2.97B +34.2%	$2.21B
Net Income	$354.6M +59.0%	$222.9M +181.8%	$-272.5M -291.5%	$142.3M +81.4%	$78.5M -75.0%	$313.2M
Operating Income	$496.3M +48.1%	$335.1M +179.6%	$-420.8M -273.8%	$242.0M +55.9%	$155.3M +65.9%	$93.6M
EPS (Diluted)	$6.33 +70.2%	$3.72 +181.8%	$-4.55 -292.0%	$2.37 +80.9%	$1.31 -76.7%	$5.62
Total Assets	$6.01B +5.0%	$5.72B -3.4%	$5.92B -2.5%	$6.08B +3.5%	$5.87B +14.5%	$5.13B
Total Debt	$919.3M -9.6%	$1.02B -30.8%	$1.47B +7.2%	$1.37B -2.9%	$1.41B +42.1%	$992.4M
Operating Cash Flow	$670.2M +24.1%	$540.2M +21.4%	$444.9M -13.1%	$511.8M +47.5%	$347.0M -1.8%	$353.4M

AI Insight: KEX Financial Trends

Operating cash flow showed extreme quarterly volatility, ranging from $37M to $312M across eight quarters despite stable revenue around $800-870M.

• Revenue remained relatively stable, fluctuating between $786M and $871M over the two-year period.

• Total debt declined from $1,048M in Q2 2024 to $983M in Q1 2026, showing deleveraging progress.

• Operating income recovered from Q4 2024 low of $50M to $108M-$132M range in recent quarters.

⚠ Operating cash flow swung dramatically from $312M in Q4 2025 to just $98M in Q1 2026.

⚠ Net income dropped from $94M in Q2 2025 to $81M in Q1 2026 despite stable operating performance.

AI Insight: KEX Ratio Trends

Kirby Corp shows strong profitability recovery after Q4 2024 seasonal dip, though Q1 2026 margins softened from prior quarter highs.

• Operating margin recovered from 6.2% trough in Q4 2024 to 15.2% in Q4 2025, demonstrating strong operational resilience.

• ROIC bounced back from 4.8% in Q4 2024 to 12.1% in Q4 2025, indicating improved capital efficiency.

• Debt-to-equity ratio improved from 0.33 in Q1-Q2 2025 to 0.27 in Q4 2025, strengthening balance sheet.

⚠ Operating margin declined from 15.2% in Q4 2025 to 12.8% in Q1 2026, breaking improving trend.

⚠ ROIC dropped from 12.1% in Q4 2025 to 9.8% in Q1 2026, reversing recent gains.

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Available Research

13F Pro tracks comprehensive data for KIRBY CORP 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 KEX

BlackRock, Inc.
$701.2M5,277,159 sh
GOLDMAN SACHS GROUP INC
$375.8M2,827,971 sh
MORGAN STANLEY
$354.8M2,670,163 sh
VANGUARD PORTFOLIO MANAGEMENT LLC
$353.6M2,661,025 sh
DIMENSIONAL FUND ADVISORS LP
$347.8M2,617,538 sh
VANGUARD CAPITAL MANAGEMENT LLC
$319.9M2,407,527 sh
Neuberger Berman Group LLC
$230.6M1,735,388 sh
STATE STREET CORP
$217.8M1,638,974 sh
WELLINGTON MANAGEMENT GROUP LLP
$209.4M1,575,493 sh
KING LUTHER CAPITAL MANAGEMENT CORP
$207.4M1,560,791 sh

Fund	Value	Shares
BlackRock, Inc.	$701.2M	5,277,159
GOLDMAN SACHS GROUP INC	$375.8M	2,827,971
MORGAN STANLEY	$354.8M	2,670,163
VANGUARD PORTFOLIO MANAGEMENT LLC	$353.6M	2,661,025
DIMENSIONAL FUND ADVISORS LP	$347.8M	2,617,538
VANGUARD CAPITAL MANAGEMENT LLC	$319.9M	2,407,527
Neuberger Berman Group LLC	$230.6M	1,735,388
STATE STREET CORP	$217.8M	1,638,974
WELLINGTON MANAGEMENT GROUP LLP	$209.4M	1,575,493
KING LUTHER CAPITAL MANAGEMENT CORP	$207.4M	1,560,791

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Is KEX a good stock to buy?

13F Pro's AI-powered analysis of KIRBY CORP (KEX) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Industrials sector (listed on NYSE). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for KEX are available on the KEX 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 KEX?

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 KEX. 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 KIRBY CORP's investment landscape.