# KIRBY CORP COM

KIRBY CORP COM is a security (CUSIP 497266106) tracked across SEC portfolio filings. 462 institutional managers reported $6.7B on Form 13F as of 2026-06-30; 42 registered fund positions totaling $705.7M via N-PORT as of 2026-05-31.

## Summary

- Issuer: KIRBY CORP
- Class: COM
- CUSIP: 497266106
- Asset category: EC
- 13F holders: 462
- 13F value: $6.7B
- 13F period: 2026-06-30
- N-PORT fund positions: 42
- N-PORT value: $705.7M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 462 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $701.2M | 5,277,159 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $598.1M | 5,428,313 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $375.8M | 2,827,971 |
| MORGAN STANLEY | NEW YORK, NY | $354.8M | 2,670,163 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $347.8M | 2,617,538 |
| NEUBERGER BERMAN GROUP LLC | NEW YORK, NY | $230.6M | 1,735,388 |
| STATE STREET CORP | BOSTON, MA | $217.8M | 1,638,974 |
| WELLINGTON MANAGEMENT GROUP LLP | BOSTON, MA | $209.4M | 1,575,493 |
| [KING LUTHER CAPITAL MANAGEMENT CORP](https://search.stillhousedata.com/firm/110093) | FORT WORTH, TX | $207.4M | 1,560,791 |
| FIRST TRUST ADVISORS LP | Wheaton, IL | $186.7M | 1,404,714 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $135.8M | 1,021,904 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $123.4M | 928,701 |
| [ALLIANCEBERNSTEIN L.P.](https://search.stillhousedata.com/firm/108477) | NASHVILLE, TN | $122.9M | 1,115,740 |
| [JENNISON ASSOCIATES LLC](https://search.stillhousedata.com/firm/107959) | NEW YORK, NY | $117.6M | 865,097 |
| FMR LLC | BOSTON, MA | $105.6M | 794,553 |

## Top fund holders (N-PORT)

_Showing 15 of 42 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| State Street SPDR S&P MidCap 400SM ETF Trust | SPDR S&P MIDCAP 400 ETF TRUST | $217.1M | 89.66% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $172.6M | 79.28% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $80.4M | 9.86% |
| [PGIM Jennison Small Company Fund](https://search.stillhousedata.com/fund/S000004629) | Prudential Jennison Small Co Fund, Inc. | $44.4M | 139.39% |
| [VANGUARD STRATEGIC EQUITY FUND](https://search.stillhousedata.com/fund/S000002593) | VANGUARD HORIZON FUNDS | $39.4M | 38.91% |
| [Fidelity Advisor Stock Selector Mid Cap Fund](https://search.stillhousedata.com/fund/S000005114) | Fidelity Advisor Series I | $35.7M | 140.35% |
| [Bridge Builder Tax Managed Small/Mid Cap Fund](https://search.stillhousedata.com/fund/S000076295) | Bridge Builder Trust | $19.8M | 65.27% |
| [MFS New Discovery Value Fund](https://search.stillhousedata.com/fund/S000032712) | MFS SERIES TRUST XIII | $16.1M | 64.67% |
| [LORD ABBETT BOND DEBENTURE FUND INC](https://search.stillhousedata.com/fund/S000006820) | LORD ABBETT BOND DEBENTURE FUND INC | $12.6M | 5.53% |
| [Optimum Small-Mid Cap Growth Fund](https://search.stillhousedata.com/fund/S000002424) | Optimum Fund Trust | $9.8M | 129.20% |
| [VELA SMALL CAP FUND](https://search.stillhousedata.com/fund/S000069564) | VELA Funds | $8.4M | 507.23% |
| [Columbia Mid Cap Index Fund](https://search.stillhousedata.com/fund/S000010826) | COLUMBIA FUNDS SERIES TRUST | $5.4M | 21.42% |
| [AB Small Cap Value Portfolio](https://search.stillhousedata.com/fund/S000045542) | AB CAP FUND, INC. | $5.2M | 87.92% |
| [Large Cap Index Master Portfolio](https://search.stillhousedata.com/fund/S000033023) | Master Investment Portfolio | $4.6M | 1.27% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $4.0M | 0.68% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/497266106.md)
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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.