KIRBY CORP (KEX): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in KEX · Industrials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
26
13F filers
Aggregate Value
$578.7M
Across holders
Last Price
$138.72
2026-08-24
Sector
Industrials
GICS
Quarterly fund activity12 increased13 reduced6 exited
Full exits: Verition Fund Management LLC, CAXTON ASSOCIATES LLP, Squarepoint Ops LLC, Rokos Capital Management LLP, Walleye Capital LLC, Ancora Advisors, LLC
Institutional Holders of KEX
26 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund884K$120.2M20.8%0.0%Added+$117.9MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund672K$91.3M15.8%0.0%Added+$68.4MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund417K$56.7M9.8%0.1%Added+$19.6MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund338K$46.0M7.9%0.0%Reduced+$41.3MQ2 2026
Select Equity Group, L.P.
CIK 0001592643
Hedge Fund304K$41.3M7.1%0.2%Reduced$-9.8MQ2 2026
PRIMECAP MANAGEMENT CO/CA/
CIK 0000763212
Institutional Manager253K$34.4M6.0%0.0%Reduced$-1.4MQ2 2026
Gotham Asset Management, LLC
CIK 0001510387
Hedge Fund202K$27.5M4.7%0.1%Added+$3.3MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund168K$22.8M3.9%0.0%Reduced$-20.5MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund163K$22.2M3.8%0.0%Added+$3.5MQ2 2026
ArrowMark Colorado Holdings LLC
CIK 0001483859
Hedge Fund162K$22.1M3.8%0.9%Reduced$-41.9MQ2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$120.2M· 20.8% of total· 0.0% port· 884K sh· +$117.9M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$91.3M· 15.8% of total· 0.0% port· 672K sh· +$68.4M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$56.7M· 9.8% of total· 0.1% port· 417K sh· +$19.6M QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$46.0M· 7.9% of total· 0.0% port· 338K sh· +$41.3M QoQ· Q2 2026
Select Equity Group, L.P.Reduced
Hedge Fund
$41.3M· 7.1% of total· 0.2% port· 304K sh· $-9.8M QoQ· Q2 2026
PRIMECAP MANAGEMENT CO/CA/Reduced
Institutional Manager
$34.4M· 6.0% of total· 0.0% port· 253K sh· $-1.4M QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$27.5M· 4.7% of total· 0.1% port· 202K sh· +$3.3M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$22.8M· 3.9% of total· 0.0% port· 168K sh· $-20.5M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$22.2M· 3.8% of total· 0.0% port· 163K sh· +$3.5M QoQ· Q2 2026
ArrowMark Colorado Holdings LLCReduced
Hedge Fund
$22.1M· 3.8% of total· 0.9% port· 162K sh· $-41.9M QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$18.9M· 3.3% of total· 0.0% port· 139K sh· +$16.6M QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$14.2M· 2.5% of total· 0.0% port· 105K sh· $-4.8M QoQ· Q2 2026
Bridgewater Associates, LPReduced
Hedge Fund
$11.7M· 2.0% of total· 0.0% port· 86K sh· $-6.0M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPReduced
Hedge Fund
$11.6M· 2.0% of total· 0.0% port· 86K sh· $-31.1M QoQ· Q2 2026
Davidson Kempner Capital Management LPAdded
Hedge Fund
$10.2M· 1.8% of total· 0.1% port· 75K sh· QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCReduced
Hedge Fund
$6.3M· 1.1% of total· 0.0% port· 46K sh· +$6.3M QoQ· Q2 2026
Schonfeld Strategic Advisors LLCReduced
Hedge Fund
$6.0M· 1.0% of total· 0.0% port· 44K sh· $-13.9M QoQ· Q2 2026
Hudson Bay Capital Management LPReduced
Hedge Fund
$4.4M· 0.8% of total· 0.0% port· 32K sh· $-5.8M QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$3.6M· 0.6% of total· 0.0% port· 26K sh· +$2.4M QoQ· Q2 2026
Magnetar Financial LLCAdded
Hedge Fund
$2.1M· 0.4% of total· 0.0% port· 16K sh· QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$1.9M· 0.3% of total· 0.0% port· 14K sh· QoQ· Q2 2026
Holocene Advisors, LPReduced
Hedge Fund
$1.2M· 0.2% of total· 0.0% port· 9K sh· $-3.1M QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCReduced
Hedge Fund
$800K· 0.1% of total· 0.0% port· 6K sh· $-35.0M QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$675K· 0.1% of total· 0.0% port· 5K sh· QoQ· Q2 2026
Clearbridge Investments, LLCUnchanged
Hedge Fund
$272K· 0.0% of total· 0.0% port· 2K sh· +$0 QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$220K· 0.0% of total· 0.0% port· 2K sh· $-350K QoQ· Q2 2026
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