KIRBY CORP (KEX) Top Institutional Shareholders
KIRBY CORP (KEX) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $6.77B in KEX holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of KEX tracked by InsiderSet, reporting ownership valued at approximately $701.23M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $739.96M, representing an estimated gain of +5.52% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 49% of the total disclosed KEX value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Goldman Sachs Group Inc, Morgan Stanley, and several other long-term asset managers with concentrated positions in KIRBY CORP (KEX).
This page ranks the largest institutional KEX shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
426
Total Reported Value
$6.77B
Largest Holder
Blackrock, Inc.
Largest Position
$701.23M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
72
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 5,277,159 | $701,228,826 | $739,963,235 | +$38,734,409 | +5.52% | |
| Goldman Sachs Group Inc | 0.05% | 2,827,971 | $375,780,753 | $396,538,094 | +$20,757,341 | +5.52% | |
| Morgan Stanley | 0.02% | 2,670,163 | $354,811,698 | $374,410,256 | +$19,598,558 | +5.52% | |
| Vanguard Portfolio Management Llc | 0.02% | 2,661,025 | $353,597,002 | $373,128,926 | +$19,531,924 | +5.52% | |
| Dimensional Fund Advisors Lp | 0.07% | 2,617,538 | $347,828,792 | $367,031,178 | +$19,202,386 | +5.52% | |
| Vanguard Capital Management Llc | 0.01% | 2,407,527 | $319,912,188 | $337,583,436 | +$17,671,248 | +5.52% | |
| Neuberger Berman Group Llc | 0.18% | 1,735,388 | $230,598,358 | $243,336,105 | +$12,737,747 | +5.52% | |
| State Street Corp | 0.01% | 1,638,974 | $217,786,865 | $229,816,934 | +$12,030,069 | +5.52% | |
| Wellington Management Group Llp | 0.04% | 1,575,493 | $209,351,510 | $220,915,628 | +$11,564,118 | +5.52% | |
| King Luther Capital Management Corp | 0.90% | 1,560,791 | $207,397,908 | $218,854,114 | +$11,456,206 | +5.52% | |
| First Trust Advisors Lp | 0.13% | 1,404,714 | $186,658,212 | $196,968,997 | +$10,310,785 | +5.52% | |
| Geode Capital Management, Llc | 0.01% | 1,021,904 | $135,832,083 | $143,291,379 | +$7,459,296 | +5.49% | |
| American Century Companies Inc | 0.06% | 928,701 | $123,405,789 | $130,222,454 | +$6,816,665 | +5.52% | |
| Alliancebernstein L.P. | 0.04% | 1,115,740 | $122,932,233 | $156,449,063 | +$33,516,830 | +27.26% | |
| Fmr Llc | 0.01% | 794,553 | $105,580,189 | $111,412,222 | +$5,832,033 | +5.52% | |
| Jennison Associates Llc | 0.07% | 758,029 | $100,726,893 | $106,290,826 | +$5,563,933 | +5.52% | |
| Ameriprise Financial Inc | 0.02% | 731,343 | $97,180,858 | $102,548,915 | +$5,368,057 | +5.52% | |
| Charles Schwab Investment Management Inc | 0.01% | 697,817 | $92,725,923 | $97,847,900 | +$5,121,977 | +5.52% | |
| Frontier Capital Management Co Llc | 0.88% | 644,329 | $85,618,420 | $90,347,812 | +$4,729,392 | +5.52% | |
| Citadel Advisors Llc | 0.06% | 625,614 | $83,131,588 | $87,723,595 | +$4,592,007 | +5.52% | |
| Congress Asset Management Co | 0.60% | 625,542 | $83,122,021 | $87,713,499 | +$4,591,478 | +5.52% | |
| Barrow Hanley Mewhinney & Strauss Llc | 0.26% | 605,986 | $80,523,419 | $84,971,357 | +$4,447,938 | +5.52% | |
| Aqr Capital Management Llc | 0.03% | 534,172 | $70,980,775 | $74,901,598 | +$3,920,823 | +5.52% | |
| Nomura Asset Management International Inc. | 0.12% | 523,407 | $69,550,000 | $73,392,130 | +$3,842,130 | +5.52% | |
| Arrowmark Colorado Holdings Llc | 1.66% | 470,548 | $62,526,418 | $65,980,241 | +$3,453,823 | +5.52% | |
| Encompass Capital Advisors Llc | 2.54% | 469,611 | $62,401,910 | $65,848,854 | +$3,446,944 | +5.52% | |
| Hood River Capital Management Llc | 0.62% | 464,322 | $61,699,107 | $65,107,231 | +$3,408,124 | +5.52% | |
| Northern Trust Corp | 0.01% | 459,960 | $61,119,484 | $64,495,591 | +$3,376,107 | +5.52% | |
| Select Equity Group, L.P. | 0.27% | 375,897 | $49,949,193 | $52,708,277 | +$2,759,084 | +5.52% | |
| Schroder Investment Management Group | 0.04% | 360,234 | $48,336,198 | $50,512,011 | +$2,175,813 | +4.50% | |
| Bank Of America Corp | 0.00% | 345,623 | $45,926,384 | $48,463,257 | +$2,536,873 | +5.52% | |
| Deutsche Bank Ag\ | 0.01% | 338,952 | $45,039,942 | $47,527,849 | +$2,487,907 | +5.52% | |
| Bank Of New York Mellon Corp | 0.01% | 337,835 | $44,891,501 | $47,371,224 | +$2,479,723 | +5.52% | |
| Vanguard Fiduciary Trust Co | 0.01% | 336,504 | $44,714,652 | $47,184,591 | +$2,469,939 | +5.52% | |
| Millennium Management Llc | 0.03% | 318,346 | $42,301,816 | $44,638,476 | +$2,336,660 | +5.52% | |
| Arrowstreet Capital, Limited Partnership | 0.02% | 314,458 | $41,785,179 | $44,093,301 | +$2,308,122 | +5.52% | |
| 12Th Street Asset Management Company, Llc | 6.33% | 291,138 | $38,686,448 | $40,823,370 | +$2,136,922 | +5.52% | |
| Assenagon Asset Management S.A. | 0.06% | 281,505 | $37,406,384 | $39,472,631 | +$2,066,247 | +5.52% | |
| Victory Capital Management Inc | 0.02% | 275,681 | $36,632,491 | $38,655,990 | +$2,023,499 | +5.52% | |
| Qube Research & Technologies Ltd | 0.05% | 272,874 | $36,259,497 | $38,262,392 | +$2,002,895 | +5.52% | |
| Primecap Management Co/Ca/ | 0.03% | 263,803 | $35,054,143 | $36,990,457 | +$1,936,314 | +5.52% | |
| Capstone Investment Advisors, Llc | 0.29% | 263,609 | $35,028,364 | $36,963,254 | +$1,934,890 | +5.52% | |
| Atlantic Investment Management | Alex Roepers | 19.89% | 257,000 | $34,150,160 | $36,036,540 | +$1,886,380 | +5.52% |
| Allspring Global Investments Holdings, Llc | 0.05% | 219,435 | $29,584,227 | $30,769,176 | +$1,184,949 | +4.01% | |
| Sei Investments Co | 0.03% | 221,757 | $29,467,138 | $31,094,767 | +$1,627,629 | +5.52% | |
| Fil Ltd | 0.02% | 219,500 | $29,167,160 | $30,778,290 | +$1,611,130 | +5.52% | |
| Park West Asset Management Llc | 2.49% | 212,510 | $28,238,329 | $29,798,152 | +$1,559,823 | +5.52% | |
| Federated Hermes, Inc. | 0.04% | 201,861 | $26,823,290 | $28,304,949 | +$1,481,659 | +5.52% | |
| Davenport & Co Llc | 0.15% | 199,506 | $26,768,061 | $27,974,731 | +$1,206,670 | +4.51% | |
| Westwood Holdings Group Inc | 0.19% | 192,482 | $25,577,008 | $26,989,826 | +$1,412,818 | +5.52% |
Frequently asked questions about KEX
Who owns the most KEX stock?
The largest holders of KEX are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for KIRBY CORP (KEX).
Is KEX widely held by superinvestors?
Many widely followed stocks like KEX appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly KEX is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.