Kirby Corporation

KEX • NYSE

Kirby Corporation is a marine shipping company in the industrials sector on NYSE, led by Christian G. O'Neil, with a market cap of $6.1B. As of Q3 2025, 98% of shares are held by 388 institutional investors, with VANGUARD GROUP INC as the largest holder at 10.16%.

Chief Executive OfficerChristian G. O'Neil

Market Cap$6.1B

Marine Shipping

Industrials

Employees5.5K

Websitekirbycorp.com

Country

United States of America

Overview

Overview of institutional ownership in KEX as of Q3 2025 with a market cap of $4.7B

All Institutions

Institutions: 388
Value Held: $4.6B
Shares Held: 54.8M
Avg Position: $11.8M
Median Position: $1.1M

Hedge Funds

Hedge Funds: 60
Value Held: $674.2M
Shares Held: 8.1M
Avg Position: $11.2M
Median Position: $4.0M

Ownership Breakdown

Institutional (non-HF)

83.71%

$3.9B

Hedge Funds

14.48%

$674.2M

Retail & Other

1.81%

$84.3M

Based on market cap of $4.7B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in KEX as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
VANGUARD GROUP INC Institution	Salim Ramji CEO	$473.0M 0.01% of portfolio	10.16% 5.7M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
B BlackRock, Inc. Institution	-	$424.5M 0.01% of portfolio	9.12% 5.1M shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	$296.3M 0.02% of portfolio	6.36% 3.6M shares	≤ Q2 2013 Held for 12y 5m+	$1.65T
DIMENSIONAL FUND ADVISORS LP Long Only Manager	Gerard Kieran O'Reilly CEO	$199.5M 0.04% of portfolio	4.28% 2.4M shares	≤ Q2 2013 Held for 12y 5m+	$466.32B
N Neuberger Berman Group LLC Institution	-	$190.3M 0.14% of portfolio	4.09% 2.3M shares	Q1 2021 Held for 4y 8m	$136.94B
WELLINGTON MANAGEMENT CO LLP Long Only Manager	Edmund Wellington Iii President	$146.3M 0.03% of portfolio	3.14% 1.8M shares	Q2 2016 Held for 9y 5m	$571.21B
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$134.6M 0.00% of portfolio	2.89% 1.6M shares	≤ Q2 2013 Held for 12y 5m+	$2.88T
KING LUTHER CAPITAL MANAGEMENT CORP Long Only Manager	John Luther King CEO	$131.0M 0.54% of portfolio	2.81% 1.6M shares	≤ Q2 2013 Held for 12y 5m+	$24.3B
ALLIANCEBERNSTEIN L.P. Long Only Manager	Seth Perry Bernstein CEO	$130.9M 0.04% of portfolio	2.81% 1.6M shares	≤ Q2 2013 Held for 12y 5m+	$317.45B
Encompass Capital Advisors LLC Hedge Fund•Long/Short	Todd Jason Kantor Managing Partner	$115.7M 5.18% of portfolio	2.48% 1.4M shares	Q4 2021 Held for 3y 11m	$2.2B

Net Capital Flow

Institutional buying and selling activity for KEX in Q3 2025

Net Flow: −$322.5M
Buyers: 143
Sellers: 212
Total Bought: +$567.8M
Total Sold: −$890.2M
Avg Position: $11.0M

Biggest Buyers

Institution	Net Bought	Current Position
GOLDMAN SACHS GROUP INC Institution	+$71.8M +859.9K shares	$113.5M 1.4M shares
Appian Way Asset Management LP Hedge Fund•Market Neutral	+$43.4M +520.5K shares	$56.4M 675.5K shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$36.4M +436.7K shares	$70.1M 839.7K shares
MORGAN STANLEY RIA/Wealth	+$19.2M +230.1K shares	$296.3M 3.6M shares
A AMERICAN CENTURY COMPANIES INC Institution	+$18.5M +221.1K shares	$22.7M 271.5K shares
B BlackRock, Inc. Institution	+$17.0M +203.2K shares	$424.5M 5.1M shares
J JANE STREET GROUP, LLC Institution	+$16.9M +202.5K shares	$19.5M 234.0K shares
CAPSTONE INVESTMENT ADVISORS, LLC Hedge Fund•Multi-Strategy	+$16.9M +202.1K shares	$33.4M 400.5K shares
HITE Hedge Asset Management LLC Hedge Fund•Long/Short	+$16.8M +200.9K shares	$22.8M 273.3K shares
UBS Group AG Institution	+$15.1M +180.8K shares	$22.1M 265.0K shares

Biggest Sellers

Institution	Net Sold	Current Position
Select Equity Group, L.P. Hedge Fund•Multi-Strategy	−$169.3M −2.0M shares	$11.4M 137.0K shares
VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. Long Only Manager	−$81.0M −714.1K shares	Sold Off 0 shares
ALLIANCEBERNSTEIN L.P. Long Only Manager	−$59.6M −714.0K shares	$130.9M 1.6M shares
Park West Asset Management LLC Hedge Fund•Multi-Strategy	−$52.2M −625.0K shares	$10.4M 125.0K shares
A Artemis Investment Management LLP Institution	−$31.7M −279.3K shares	Sold Off 0 shares
J J. Goldman & Co LP Hedge Fund•Multi-Strategy	−$28.3M −249.2K shares	Sold Off 0 shares
ING INVESTMENT MANAGEMENT LLC Insurance Manager	−$28.2M −337.6K shares	$6.3M 75.8K shares
Hood River Capital Management LLC Long Only Manager	−$27.2M −325.5K shares	$27.1M 325.1K shares
FMR LLC Institution	−$27.0M −323.9K shares	$39.7M 475.2K shares
AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$23.7M −284.3K shares	$28.5M 341.9K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited KEX in Q3 2025

New Positions: 23
New Value: $22.2M
Exited Positions: 74
Exited Value: $270.0M

New Positions

Institution	Position Value
Cinctive Capital Management LP Hedge Fund•Multi-Strategy	$5.8M 70.1K shares
COHEN & STEERS INC Institution	$5.3M 63.6K shares
Burkehill Global Management, LP Hedge Fund•Event Driven	$4.2M 50.0K shares
O OSSIAM Institution	$3.9M 46.3K shares
OCCUDO QUANTITATIVE STRATEGIES LP Hedge Fund•Market Neutral	$752.1K 9.0K shares
Point72 Ltd RIA/Wealth	$390.6K 4.7K shares
S Sender Co & Partners, Inc. Institution	$360.3K 4.3K shares
E EVERGREEN CAPITAL MANAGEMENT LLC Institution	$330.2K 4.0K shares
COMMERCE BANK RIA/Wealth	$281.6K 3.4K shares
H Hartree Partners, LP Institution	$208.6K 2.5K shares

Exited Positions

Institution	Previous Position
VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. Long Only Manager	$81.0M 714.1K shares
A Artemis Investment Management LLP Institution	$31.7M 279.3K shares
J J. Goldman & Co LP Hedge Fund•Multi-Strategy	$28.3M 249.2K shares
Marshall Wace LLP Institution	$23.4M 206.2K shares
Davidson Kempner Capital Management LP Hedge Fund•Multi-Strategy	$18.7M 165.0K shares
NGAM ADVISORS, L.P. Long Only Manager	$14.9M 131.8K shares
SummitTX Capital, L.P. Hedge Fund•Multi-Strategy	$14.5M 127.5K shares
M MOORE CAPITAL MANAGEMENT, LP Hedge Fund•Global Macro	$8.6M 75.5K shares
OBERWEIS ASSET MANAGEMENT INC/ Long Only Manager	$7.7M 67.6K shares
A AXIOM INTERNATIONAL INVESTORS LLC /DE Long Only Manager	$7.1M 62.4K shares

Options Activity

Institutions with the largest Call and Put options positions in KEX as of Q3 2025

Call Positions: 3
Call Value: $1.9M
Put Positions: 3
Put Value: $2.5M

Call Positions

Institution	Position Value
A Aventail Capital Group, LP Hedge Fund•Long/Short	$1.2M 142.0 contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$467.3K 56.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$225.3K 27.0 contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$2.1M 252.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$375.5K 45.0 contracts
BANK OF AMERICA CORP /DE/ Institution	$8.3K 1.0 contracts

Most Committed Institutions

Institutions with KEX as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
Appian Way Asset Management LP Hedge Fund•Market Neutral	Andrew Christopher Byington CIO	12.26% $56.4M	1.21% 675.5K shares	Q4 2024 Held for 11 months	$460.0M
LUMINUS MANAGEMENT LLC Hedge Fund•Sector	Jonathan Dan Barrett CEO	8.77% $9.8M	0.21% 117.0K shares	Q1 2025 Held for 8 months	$111.3M
12th Street Asset Management Company, LLC Hedge Fund•Value	Michael Gerard Okeefe Member	5.87% $36.8M	0.79% 441.4K shares	Q1 2024 Held for 1y 8m	$628.0M
Encompass Capital Advisors LLC Hedge Fund•Long/Short	Todd Jason Kantor Managing Partner	5.18% $115.7M	2.48% 1.4M shares	Q4 2021 Held for 3y 11m	$2.2B
VELA Investment Management, LLC Long Only Manager	Roderick Hadley Dillon CEO	3.86% $13.4M	0.29% 160.5K shares	Q4 2021 Held for 3y 11m	$347.1M
Mountaineer Partners Management, LLC Hedge Fund•Long/Short	Mark M Lee Managing Partner	3.18% $5.5M	0.12% 65.4K shares	Q2 2025 Held for 5 months	$171.9M
S Sapience Investments, LLC Long Only Manager	Samir (Nmn) Sikka CEO	2.26% $577.6K	0.01% 6.9K shares	Q2 2020 Held for 5y 5m	$25.5M
LATHROP INVESTMENT MANAGEMENT CORP RIA/Wealth	Gregory Colin Lathrop Chairman	2.06% $10.8M	0.23% 129.7K shares	Q1 2017 Held for 8y 8m	$524.6M
H Hound Partners, LLC Hedge Fund•Long/Short	Douglas Edward Marks CFO	1.61% $11.1M	0.24% 132.8K shares	Q3 2025 Held for 2 months	$689.2M
P Pullen Investment Management, LLC Institution	-	1.60% $3.0M	0.06% 35.5K shares	Q1 2024 Held for 1y 8m	$184.7M

Hedge Fund Spotlight

Discover hedge funds investing in KEX

OCCUDO QUANTITATIVE STRATEGIES LP

Hedge Fund • Market Neutral

Portfolio ManagerRicky Xiaoxiao Shi

Portfolio Value: $821.7M
Positions: 644
Last Reported: Q3 2025

Sector Allocation

Position in Kirby Corporation

Market Value: $752.1K
Shares Held: 9.0K
Portfolio Weight: 0.09%
Owned Since: 2025-Q3

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