What does CUSIP 497266106 represent in this 13F holders report?

CUSIP 497266106 is the security identifier for KEX - Kirby Corp - Common Stock used to aggregate holder disclosures.

How many institutions held KEX - Kirby Corp - Common Stock in Q4 2020?

235 institutional investors reported KEX - Kirby Corp - Common Stock for Q4 2020. Use the holders table for investor-level position and value details.

Kirby Corp - Common Stock (KEX)

CUSIP: 497266106

Q4 2020 13F Holders as of 31 Dec 2020

Type / Class: Equity / Common Stock
Shares outstanding: 53,723,230
Total 13F shares: 56,528,214
Share change: +1,612,082
Total reported value: $2,931,064,441
Put/Call ratio: 104%
Price per share: $51.83
Number of holders: 235
Value change: +$178,253,771
Number of buys: 105
Number of sells: 117

Quarterly Holders Quick Answers

What is CUSIP 497266106?
CUSIP 497266106 identifies KEX - Kirby Corp - Common Stock in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2021
Previous quarter: Q3 2020

Recent filing periods for CUSIP 497266106:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of KEX - Kirby Corp - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
BlackRock Finance, Inc.	13F	Company	9.9%	5,305,998	$191,919,000	—	30 Sep 2020	13F
VANGUARD GROUP INC	13F	Company	9.2%	4,918,737	$177,911,000	—	30 Sep 2020	13F
ATLANTA CAPITAL MANAGEMENT CO L L C	13F	Company	8.3%	4,470,687	$161,705,000	—	30 Sep 2020	13F
DIAMOND HILL CAPITAL MANAGEMENT INC	13F	Company	6.4%	3,422,477	$123,791,000	—	30 Sep 2020	13F
BAILLIE GIFFORD & CO	13F	Company	5.9%	3,192,941	$115,488,000	—	30 Sep 2020	13F
ArrowMark Colorado Holdings LLC	13F	Company	5.9%	3,157,797	$114,218,000	—	30 Sep 2020	13F
Hound Partners, LLC	13F	Company	4.5%	2,441,136	$88,296,000	—	30 Sep 2020	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	3.2%	1,735,935	$62,787,000	—	30 Sep 2020	13F
STATE STREET CORP	13F	Company	2.7%	1,447,537	$52,357,000	—	30 Sep 2020	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	2.4%	1,315,019	$47,565,000	—	30 Sep 2020	13F
MACQUARIE GROUP LTD	13F	Company	2.4%	1,309,829	$47,376,000	—	30 Sep 2020	13F
Slate Path Capital LP	13F	Company	2.4%	1,296,000	$46,876,000	—	30 Sep 2020	13F
D. E. Shaw & Co., Inc.	13F	Company	2.2%	1,196,419	$43,275,000	—	30 Sep 2020	13F
Invesco Ltd.	13F	Company	2.1%	1,126,278	$40,737,000	—	30 Sep 2020	13F
BANK OF AMERICA CORP /DE/	13F	Company	1.7%	891,841	$32,258,000	—	30 Sep 2020	13F
FEDERATED HERMES, INC.	13F	Company	1.6%	835,712	$30,227,000	—	30 Sep 2020	13F
Artisan Partners Limited Partnership	13F	Company	1.4%	759,540	$27,473,000	—	30 Sep 2020	13F
CRAMER ROSENTHAL MCGLYNN LLC	13F	Company	1.3%	716,552	$25,918,000	—	30 Sep 2020	13F
StackLine Partners LP	13F	Company	1.3%	699,580	$25,304,000	—	30 Sep 2020	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.2%	655,109	$23,695,000	—	30 Sep 2020	13F
VAN ECK ASSOCIATES CORP	13F	Company	1.2%	646,470	$23,383,000	—	30 Sep 2020	13F
NORTHERN TRUST CORP	13F	Company	1.2%	619,914	$22,422,000	—	30 Sep 2020	13F
Bank of New York Mellon Corp	13F	Company	1%	563,300	$20,375,000	—	30 Sep 2020	13F
NORGES BANK	13F	Company	1%	556,828	$20,140,000	—	30 Sep 2020	13F
ROYCE & ASSOCIATES LP	13F	Company	0.94%	507,064	$18,341,000	—	30 Sep 2020	13F
Select Equity Group, L.P.	13F	Company	0.9%	481,433	$17,413,432	—	30 Sep 2020	13F
KING LUTHER CAPITAL MANAGEMENT CORP	13F	Company	0.84%	452,978	$16,384,000	—	30 Sep 2020	13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F	Company	0.72%	387,800	$14,027,000	—	30 Sep 2020	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	0.66%	356,257	$12,886,000	—	30 Sep 2020	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.62%	331,128	$11,977,000	—	30 Sep 2020	13F
Granite Investment Partners, LLC	13F	Company	0.59%	315,908	$11,426,000	—	30 Sep 2020	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.56%	300,095	$10,854,000	—	30 Sep 2020	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.54%	288,400	$10,431,000	—	30 Sep 2020	13F
Sapience Investments, LLC	13F	Company	0.51%	272,915	$9,871,000	—	30 Sep 2020	13F
CITADEL ADVISORS LLC	13F	Company	0.49%	265,752	$9,612,000	—	30 Sep 2020	13F
Cubist Systematic Strategies, LLC	13F	Company	0.48%	255,984	$9,259,000	—	30 Sep 2020	13F
Rubric Capital Management LP	13F	Company	0.47%	250,000	$9,043,000	—	30 Sep 2020	13F
Nuveen Asset Management, LLC	13F	Company	0.45%	239,197	$8,651,000	—	30 Sep 2020	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.44%	236,243	$8,544,000	—	30 Sep 2020	13F
KENNEDY CAPITAL MANAGEMENT LLC	13F	Company	0.43%	229,980	$8,318,000	—	30 Sep 2020	13F
PRUDENTIAL FINANCIAL INC	13F	Company	0.41%	220,272	$7,967,000	—	30 Sep 2020	13F
Squarepoint Ops LLC	13F	Company	0.37%	196,512	$7,108,000	—	30 Sep 2020	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.36%	195,051	$7,055,000	—	30 Sep 2020	13F
Mitsubishi UFJ Trust & Banking Corp	13F	Company	0.34%	179,990	$6,510,000	—	30 Sep 2020	13F
LOOMIS SAYLES & CO L P	13F	Company	0.32%	171,947	$6,219,000	—	30 Sep 2020	13F
Advantage Alpha Capital Partners LP	13F	Company	0.32%	171,351	$6,198,000	—	30 Sep 2020	13F
BANK OF MONTREAL /CAN/	13F	Company	0.3%	163,339	$6,000,000	—	30 Sep 2020	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.3%	162,805	$5,889,000	—	30 Sep 2020	13F
RHUMBLINE ADVISERS	13F	Company	0.29%	157,610	$5,701,000	—	30 Sep 2020	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.27%	145,229	$5,253,000	—	30 Sep 2020	13F

Institutional Holders of Kirby Corp - Common Stock (KEX) as of Q4 2020

As of 31 Dec 2020, Kirby Corp - Common Stock (KEX) was held by 235 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 56,528,214 shares. The largest 10 holders included BlackRock Inc., VANGUARD GROUP INC, ATLANTA CAPITAL MANAGEMENT CO L L C, FMR LLC, DIAMOND HILL CAPITAL MANAGEMENT INC, ArrowMark Colorado Holdings LLC, DIMENSIONAL FUND ADVISORS LP, Hound Partners, LLC, THUNDERBIRD PARTNERS LLP, and STATE STREET CORP. This page lists 236 institutional shareholders reporting positions in this security for the Q4 2020 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2020 vs Q3 2020 Across Filers

Q3 2020 holders

221

Q4 2020 holders

235

Holder diff

Investor	Q3 2020 Shares	Q4 2020 Shares	Share Diff	Share Chg %	Q3 2020 Value $	Q4 2020 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.