13F filing recap · Q1 2026

What did Weitz Investment Management buy in Q1 2026?

Reported stock-position changes between this filing and the previous one.

Stock value

$1.43B

Positions

Estimated turnover

14.0%

Turnover is a proxy: verified trade-origin share changes valued at period-end and divided by average reported stock value. SEC holdings reports do not disclose execution dates or prices. Corporate actions and unreconciled activity are excluded.

Quarter in review

Weitz Investment Management opened new positions in Ingersoll Rand, ASML Holding, Taiwan Semiconductor Manufacturing, Nvidia, Pool Corporation, Repligen, Ferguson Enterprises, and Amphenol, while exiting Diageo, Gartner, and Roper Technologies. The firm also trimmed Old Dominion Freight Line, CDW, Comcast, and Fortive substantially, and reduced Idex, Bio-Techne, Analog Devices, Global Payments, and CoStar Group. Microsoft and Heico were added to, and MercadoLibre was increased sharply.

New positions

IRIngersoll Rand Inc.$10.67Mreported value+133.2K shares ASMLAsml Holding N.v.$7.26Mreported value+5.5K shares TSMTaiwan Semiconductor Manufacturing$6.76Mreported value+20.0K shares NVDANvidia Corp$6.10Mreported value+35.0K shares POOL

Increased positions

MSFTMicrosoft Corporation$62.73Mreported value+23.5K shares+16.1%VMCVulcan Materials Company$58.33Mreported value+4.0K shares+1.9%HEI.AHeico Corporation$39.89Mreported value+26.2K shares+16.1%ACNAccenture Plc$33.85Mreported value+9.8K shares

Reduced positions

BRK.BBerkshire Hathaway Inc$133.62Mreported value-8.0K shares-2.8%GOOGAlphabet Inc.$93.73Mreported value-21.1K shares-6.1%DHRDanaher Corporation$90.58Mreported value-36.2K shares-7.0%VVisa Inc.$80.19Mreported value-5.3K shares

Exited positions

ROPRoper Technologies Inc$16.27Mprior reported value-36.5K shares-100.0%ITGartner, Inc.$6.16Mprior reported value-24.4K shares-100.0%DEODiageo Plc$2.05Mprior reported value-23.8K shares-100.0%