13F filing recap · Q1 2025

What did Weitz Investment Management buy in Q1 2025?

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

Stock value

$1.88B

Positions

Estimated turnover

20.4%

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 a new position in Idexx Laboratories and exited Fidelity National Information Services, Honeywell International, and Liberty Global. The firm trimmed Berkshire Hathaway, Aon, Alphabet, Meta Platforms, Charter Communications, and Amazon.com, while adding to Danaher, Idex Corp, Equifax, Vulcan Materials, and Accenture. It also substantially increased Gartner and sharply boosted Microsoft, Bio-Techne, Adobe, and Comcast, while substantially reducing Labcorp Holdings, Veralto, and S&P Global.

New positions

IDXXIdexx Laboratories Inc /de$25.32Mreported value+60.3K shares

Increased positions

DHRDanaher Corporation$101.81Mreported value+93.4K shares+23.2%IEXIdex Corp$72.61Mreported value+70.7K shares+21.4%CSGPCostar Group, Inc.$72.23Mreported value+21.7K shares+2.4%TMOThermo Fisher Scientific Inc.$62.77Mreported value+6.0K shares

Reduced positions

BRK.BBerkshire Hathaway Inc$152.77Mreported value-36.4K shares-11.2%VVisa Inc.$113.62Mreported value-22.5K shares-6.5%MAMastercard Inc$98.15Mreported value-8.0K shares-4.3%AONAon Plc$85.19Mreported value-47.5K shares

Exited positions

FISFidelity National Information Services, Inc.$22.01Mprior reported value-272.5K shares-100.0%LBTYKLiberty Global Ltd.$10.42Mprior reported value-792.9K shares-100.0%HONHoneywell International Inc$2.55Mprior reported value-11.3K shares-100.0%