Kirby Corp: which funds bought and sold

Institutions that bought and sold Kirby shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.

Between March 31, 2026 and June 30, 2026, 241 institutions that filed 13F reports for both quarters added to or opened positions in Kirby, and 189 cut or closed them. Together they sold a net 531K shares, −1.0% on what they held at the start of the quarter. Active managers and hedge funds on our list were net sellers of 1.4M shares (−7.9%); index fund managers were net buyers of 298K shares (+2.0%). 73 opened a new position and 44 sold out entirely.

Bought, Q2 2026 241 institutions, 73 of them new holders Sold, Q2 2026 189 institutions, 44 of them sold out

Net change, all compared −531K shares (−1.0%)

Net change, active managers −1.4M shares (−7.9%), 36 bought, 38 sold

Buyers versus sellers

institutions compared, 499

241 bought 69 189 sold

Active managers and hedge funds 36 bought · 38 sold · −1.4M

Index fund managers 8 bought · 4 sold · +298K

Other institutions 197 bought · 147 sold · +556K

Biggest buyers

by change in shares held

Biggest buyers
Institution	Change in shares	Shares June 30, 2026	Value
D. E. Shaw & Co., Inc. Hedge fund	+503K +298.6%	672K	$91.3M
Invesco Ltd.	+466K +431.8%	574K	$78M
AQR Capital Management LLC Hedge fund	+350K +65.4%	884K	$120M
Jpmorgan Chase & Co	+328K +166.3%	526K	$72.6M
Assenagon Asset Management S.A.	+259K +92.1%	541K	$73.5M
Mackenzie Financial Corp	+221K +541.3%	262K	$35.6M
First Trust Advisors LP	+214K +15.2%	1.6M	$220M
Boston Partners Active manager	+207K New position	207K	$28.4M
HRT Financial LP	+177K +1180.3%	192K	$26.1M
Geode Capital Management, LLC Index funds	+168K +16.5%	1.2M	$162M
Qube Research & Technologies Ltd Hedge fund	+144K +52.8%	417K	$56.7M
Dimensional Fund Advisors LP	+142K +5.4%	2.8M	$375M
FMR LLC Active manager	+123K +15.5%	918K	$125M
Point72 Asset Management, L.P. Hedge fund	+122K +724.5%	139K	$18.9M
Blackrock, Inc. Index funds	+116K +2.2%	5.4M	$733M
Bank Of America Corp	+114K +33.1%	460K	$62.5M
Jennison Associates LLC Active manager	+107K +14.1%	865K	$118M
Lodge Hill Capital, LLC	+105K New position	105K	$14.3M
Price T Rowe Associates Inc Active manager	+94K +27.5%	435K	$59.1M
Fil Ltd Active manager	+85K +38.8%	305K	$41.4M

Biggest buyers, active managers and hedge funds
Institution	Change in shares	Shares June 30, 2026	Value
D. E. Shaw & Co., Inc. Hedge fund	+503K +298.6%	672K	$91.3M
AQR Capital Management LLC Hedge fund	+350K +65.4%	884K	$120M
Boston Partners Active manager	+207K New position	207K	$28.4M
Qube Research & Technologies Ltd Hedge fund	+144K +52.8%	417K	$56.7M
FMR LLC Active manager	+123K +15.5%	918K	$125M
Point72 Asset Management, L.P. Hedge fund	+122K +724.5%	139K	$18.9M
Jennison Associates LLC Active manager	+107K +14.1%	865K	$118M
Price T Rowe Associates Inc Active manager	+94K +27.5%	435K	$59.1M
Fil Ltd Active manager	+85K +38.8%	305K	$41.4M
Congress Asset Management Co Active manager	+78K +12.5%	704K	$95.7M

Biggest sellers

by change in shares held

Biggest sellers
Institution	Change in shares	Shares June 30, 2026	Value
Neuberger Berman Group LLC Active manager	−473K −27.3%	1.3M	$172M
Wellington Management Group LLP Active manager	−425K −27.0%	1.2M	$156M
Arrowmark Colorado Holdings LLC	−308K −65.5%	162K	$22.1M
Citadel Advisors LLC Hedge fund	−288K −46.0%	338K	$46M
Capstone Investment Advisors, LLC Hedge fund	−258K −97.8%	5,881	$799,640
Morgan Stanley	−238K −8.9%	2.4M	$331M
Alliancebernstein L.P. Active manager	−234K −21.0%	882K	$117M
Arrowstreet Capital, Limited Partnership Hedge fund	−229K −72.8%	86K	$11.6M
Van Eck Associates Corp	−224K Sold out	0	—
Park West Asset Management LLC Hedge fund	−213K Sold out	0	—
Encompass Capital Advisors LLC	−204K −43.4%	266K	$36.1M
Ameriprise Financial Inc	−191K −26.2%	540K	$73.4M
Goldman Sachs Group Inc	−172K −6.1%	2.7M	$361M
Summittx Capital, L.P.	−166K Sold out	0	—
Yaupon Capital Management LP Hedge fund	−166K Sold out	0	—
Millennium Management LLC Hedge fund	−150K −47.3%	168K	$22.8M
Lord, Abbett & Co. LLC	−125K Sold out	0	—
Squarepoint Ops LLC Hedge fund	−123K Sold out	0	—
King Luther Capital Management Corp Active manager	−103K −6.6%	1.5M	$198M
Schonfeld Strategic Advisors LLC Hedge fund	−102K −69.7%	44K	$6M

Biggest sellers, active managers and hedge funds
Institution	Change in shares	Shares June 30, 2026	Value
Neuberger Berman Group LLC Active manager	−473K −27.3%	1.3M	$172M
Wellington Management Group LLP Active manager	−425K −27.0%	1.2M	$156M
Citadel Advisors LLC Hedge fund	−288K −46.0%	338K	$46M
Capstone Investment Advisors, LLC Hedge fund	−258K −97.8%	5,881	$799,640
Alliancebernstein L.P. Active manager	−234K −21.0%	882K	$117M
Arrowstreet Capital, Limited Partnership Hedge fund	−229K −72.8%	86K	$11.6M
Park West Asset Management LLC Hedge fund	−213K Sold out	0	—
Yaupon Capital Management LP Hedge fund	−166K Sold out	0	—
Millennium Management LLC Hedge fund	−150K −47.3%	168K	$22.8M
Squarepoint Ops LLC Hedge fund	−123K Sold out	0	—

New positions

largest by value

Institution	Shares	Value June 30, 2026
Boston PartnersActive manager	207K	$28.4M
Lodge Hill Capital, LLC	105K	$14.3M
1060 Capital, LLC	50K	$6.8M
Quantbot Technologies LPHedge fund	36K	$4.9M
Twinbeech Capital LP	30K	$4.1M
Jacobs Levy Equity Management, IncActive manager	28K	$3.8M
Entropy Technologies, LP	24K	$3.3M
Trexquant Investment LPHedge fund	23K	$3.2M
Y-Intercept (Hong Kong) Ltd	21K	$2.9M
Moran Wealth Management, LLC	20K	$2.8M

Sold out

largest by value

Institution	Shares	Value March 31, 2026
Van Eck Associates Corp	224K	$29.8M
Park West Asset Management LLCHedge fund	213K	$28.2M
Summittx Capital, L.P.	166K	$22.1M
Yaupon Capital Management LPHedge fund	166K	$22M
Lord, Abbett & Co. LLC	125K	$16.6M
Squarepoint Ops LLCHedge fund	123K	$16.4M
Mountaineer Partners Management, LLC	89K	$11.8M
Rokos Capital Management LLPHedge fund	75K	$9.9M
Verition Fund Management LLCHedge fund	58K	$7.7M
Burkehill Global Management, LPHedge fund	50K	$6.6M

Who holds the shares

13F holdings at June 30, 2026

Institutions reporting: 465
Ten largest holders: 45.6%
Index fund managers: 28.0%
Active managers and hedge funds: 30.5%

Buying and selling by type of institution, March 31, 2026 to June 30, 2026
Type	Bought	Sold	New	Sold out	Net change in shares	Net %
Active managers and hedge funds	36	38	13	13	−1.4M	−7.9%
Index fund managers	8	4	0	0	+298K	+2.0%
Other institutions	197	147	60	31	+556K	+2.7%

Active managers and hedge funds: a list we maintain of about 400 well-known stock-picking firms and hedge funds, matched by SEC registration number (CIK) and checked against the filer names each quarter. Index fund managers: the large index houses, such as BlackRock, Vanguard, State Street, Geode and Northern Trust. Every other filer (banks, brokers, wealth managers, pension funds, insurers and firms not on the list) counts as another institution. A firm that files under several SEC registrations appears once for each.

What these filings can and cannot tell you

Form 13F lists the long positions in US-listed shares held by investment managers with more than $100 million in such holdings. Managers file it up to 45 days after each quarter ends, so this page shows what funds held at the end of each quarter, not what they are doing now: a position may have changed since. Short positions, most derivatives and smaller managers are not included, and a cut can mean a fund lost clients or rebalanced rather than a view on Kirby.

Only managers that filed a holdings report for both quarters are compared (499 here). 19 other holders are left out: first-time or late filers, firms that changed their SEC registration, and filings that withheld positions under confidential treatment, any of which would otherwise look like a new position or a sale. Figures are as reported by each manager in the SEC's quarterly 13F data sets; option positions are excluded.

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