KIRBY CORP (KEX) 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 June 30, 2026. The institutional investors covered on this page collectively reported approximately $7.15B 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 $733.27M in its June 30, 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 $746.33M, representing an estimated gain of +1.78% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 46% of the total disclosed KEX value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Dimensional Fund Advisors Lp, Vanguard Portfolio Management Llc, 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
456
Total Reported Value
$7.15B
Largest Holder
Blackrock, Inc.
Largest Position
$733.27M
Insider Transactions (90d)
2
Latest Filing Quarter
Q2 2026
New Institutional Positions
57
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% | 5,392,912 | $733,274,177 | $746,325,092 | +$13,050,915 | +1.78% | |
| Dimensional Fund Advisors Lp | 0.07% | 2,759,885 | $375,268,767 | $381,940,485 | +$6,671,718 | +1.78% | |
| Vanguard Portfolio Management Llc | 0.02% | 2,689,551 | $365,698,250 | $372,206,963 | +$6,508,713 | +1.78% | |
| Goldman Sachs Group Inc | 0.04% | 2,656,007 | $361,137,238 | $367,564,809 | +$6,427,571 | +1.78% | |
| Morgan Stanley | 0.02% | 2,432,658 | $330,769,003 | $336,655,541 | +$5,886,538 | +1.78% | |
| Vanguard Capital Management Llc | 0.01% | 2,415,730 | $328,466,808 | $334,312,875 | +$5,846,067 | +1.78% | |
| State Street Corp | 0.01% | 1,648,286 | $224,117,447 | $228,106,300 | +$3,988,853 | +1.78% | |
| First Trust Advisors Lp | 0.13% | 1,618,865 | $220,116,718 | $224,034,727 | +$3,918,009 | +1.78% | |
| King Luther Capital Management Corp | 0.81% | 1,457,920 | $198,233,382 | $201,761,549 | +$3,528,167 | +1.78% | |
| Neuberger Berman Group Llc | 0.11% | 1,262,228 | $171,625,141 | $174,679,733 | +$3,054,592 | +1.78% | |
| Geode Capital Management, Llc | 0.01% | 1,190,344 | $161,894,395 | $164,731,706 | +$2,837,311 | +1.75% | |
| Wellington Management Group Llp | 0.03% | 1,150,107 | $156,380,049 | $159,163,308 | +$2,783,259 | +1.78% | |
| American Century Companies Inc | 0.06% | 936,109 | $127,282,741 | $129,548,125 | +$2,265,384 | +1.78% | |
| Fmr Llc | 0.01% | 917,664 | $124,774,791 | $126,995,521 | +$2,220,730 | +1.78% | |
| Aqr Capital Management Llc | 0.04% | 883,760 | $120,164,847 | $122,303,546 | +$2,138,699 | +1.78% | |
| Jennison Associates Llc | 0.07% | 865,097 | $117,627,240 | $119,720,774 | +$2,093,534 | +1.78% | |
| Alliancebernstein L.P. | 0.04% | 881,640 | $117,152,323 | $122,010,160 | +$4,857,837 | +4.15% | |
| Congress Asset Management Co | 0.59% | 703,728 | $95,685,896 | $97,388,918 | +$1,703,022 | +1.78% | |
| Norges Bank | 0.01% | 683,912 | $92,991,515 | $94,646,582 | +$1,655,067 | +1.78% | |
| Charles Schwab Investment Management Inc | 0.01% | 677,254 | $92,086,226 | $93,725,181 | +$1,638,955 | +1.78% | |
| D. E. Shaw & Co., Inc. | 0.06% | 671,706 | $91,331,865 | $92,957,393 | +$1,625,528 | +1.78% | |
| Frontier Capital Management Co Llc | 0.84% | 666,554 | $90,631,405 | $92,244,408 | +$1,613,003 | +1.78% | |
| Invesco Ltd. | 0.01% | 573,902 | $78,033,453 | $79,422,298 | +$1,388,845 | +1.78% | |
| Ameriprise Financial Inc | 0.01% | 539,856 | $73,404,218 | $74,710,672 | +$1,306,454 | +1.78% | |
| Jpmorgan Chase & Co | 0.00% | 525,769 | $72,584,618 | $72,761,172 | +$176,554 | +0.24% | |
| Barrow Hanley Mewhinney & Strauss Llc | 0.21% | 510,102 | $69,358,569 | $70,593,016 | +$1,234,447 | +1.78% | |
| Hood River Capital Management Llc | 0.49% | 497,476 | $67,641,812 | $68,845,704 | +$1,203,892 | +1.78% | |
| Nomura Asset Management International Inc. | 0.10% | 489,909 | $66,613,000 | $67,798,507 | +$1,185,507 | +1.78% | |
| Bank Of America Corp | 0.00% | 460,019 | $62,548,837 | $63,662,029 | +$1,113,192 | +1.78% | |
| Northern Trust Corp | 0.01% | 448,414 | $60,970,852 | $62,056,013 | +$1,085,161 | +1.78% | |
| Price T Rowe Associates Inc | 0.01% | 434,924 | $59,137,000 | $60,189,132 | +$1,052,132 | +1.78% | |
| Qube Research & Technologies Ltd | 0.06% | 416,819 | $56,674,879 | $57,683,581 | +$1,008,702 | +1.78% | |
| Vanguard Fiduciary Trust Co | 0.01% | 338,214 | $45,986,958 | $46,805,435 | +$818,477 | +1.78% | |
| Citadel Advisors Llc | 0.03% | 337,989 | $45,956,365 | $46,774,298 | +$817,933 | +1.78% | |
| Victory Capital Management Inc | 0.03% | 335,380 | $45,601,618 | $46,413,238 | +$811,620 | +1.78% | |
| Deutsche Bank Ag\ | 0.01% | 330,837 | $44,983,908 | $45,784,532 | +$800,624 | +1.78% | |
| Bank Of New York Mellon Corp | 0.01% | 316,545 | $43,040,581 | $43,806,663 | +$766,082 | +1.78% | |
| Fil Ltd | 0.03% | 304,697 | $41,429,651 | $42,167,018 | +$737,367 | +1.78% | |
| Select Equity Group, L.P. | 0.22% | 304,102 | $41,348,749 | $42,084,676 | +$735,927 | +1.78% | |
| 12Th Street Asset Management Company, Llc | 5.67% | 292,564 | $39,779,959 | $40,487,932 | +$707,973 | +1.78% | |
| Schroder Investment Management Group | 0.03% | 283,543 | $38,967,314 | $39,239,516 | +$272,202 | +0.70% | |
| Assenagon Asset Management S.A. | 0.05% | 270,376 | $36,763,025 | $37,417,335 | +$654,310 | +1.78% | |
| Encompass Capital Advisors Llc | 1.56% | 265,609 | $36,114,856 | $36,757,630 | +$642,774 | +1.78% | |
| Mackenzie Financial Corp | 0.04% | 261,650 | $35,576,551 | $36,209,744 | +$633,193 | +1.78% | |
| Primecap Management Co/Ca/ | 0.02% | 253,353 | $34,448,408 | $35,061,522 | +$613,114 | +1.78% | |
| Sei Investments Co | 0.03% | 248,216 | $33,749,995 | $34,350,612 | +$600,617 | +1.78% | |
| Boston Partners | 0.03% | 207,362 | $28,389,327 | $28,696,827 | +$307,500 | +1.08% | |
| Gotham Asset Management, Llc | 0.06% | 201,961 | $27,460,637 | $27,949,383 | +$488,746 | +1.78% | |
| Hrt Financial Lp | 0.05% | 191,820 | $26,081,000 | $26,545,970 | +$464,970 | +1.78% | |
| Atlantic Investment Management | Alex Roepers | 13.22% | 186,700 | $25,385,599 | $25,837,413 | +$451,814 | +1.78% |
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.