Kirby Corporation (KEX) Holders & Ownership

Kirby Corporation (KEX) ownership: insiders 1% · institutions 104% (13F 2026-03-31). Insider activity, 90 days: 0 sales, 0 open-market buys. 1 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.

Top Institutional Holders (13F, rolled up by parent)

Source: SEC Form 13F
HolderSharesMarket Value% OutstandingReported
Vanguard5457168.00$725.15M10.2%2026-03-31
BlackRock5277159.00$701.23M9.9%2026-03-31
Goldman Sachs2827971.00$375.78M5.3%2026-03-31
Morgan Stanley2670163.00$354.81M5.0%2026-03-31
Dimensional Fund Advisors2617538.00$347.83M4.9%2026-03-31
Neuberger Berman1735388.00$230.60M3.2%2026-03-31
State Street1638974.00$217.79M3.1%2026-03-31
Wellington Management1575493.00$209.35M2.9%2026-03-31

Insider Trading Activity (Form 4)

Source: SEC Form 4
InsiderTransactionValueDate
Sellnull2026-08-05
Sellnull2026-08-05
Sellnull2026-08-05
Sellnull2026-05-15
Sellnull2026-05-15
Sellnull2026-05-15
Sellnull2026-05-15
Sellnull2026-05-15

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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.