MondegarAI
WEITZ INVESTMENT MANAGEMENT, INC.

Q1 2026 · 13F-HR

WEITZ INVESTMENT MANAGEMENT, INC.holdings as filed

Filed 2026-05-14 · accession 0001821268-26-000087

$1.43B
Reported value
49
Positions
2026-03-31
Period end
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The Brief · WEITZ INVESTMENT MANAGEMENT, INC. · Q1 2026

AI · grounded in 13F

WEITZ INVESTMENT MANAGEMENT, INC. closed its position in Roper Technologies Inc ROP, reducing its exposure by $16.27M. The fund established a new position in Ingersoll Rand Inc IR worth $10.67M and added ASML Hldg NV ASML for $7.26M. Other notable activity includes new stakes in Taiwan Semiconductor Manuf TSM and Nvidia Corporation NVDA, alongside a 116.22% increase in shares of MercadoLibre Inc MELI.

Holdings as filed

CUSIPTickerIssuerValue% port.SharesClassVoting
084670702BRK/BBERKSHIRE HATHAWAY INC DEL$133.6M9.33%278,850CommonSOLE
02079K107GOOGALPHABET INC$93.7M6.54%326,750CommonSOLE
235851102DHRDANAHER CORPORATION$90.6M6.32%477,750CommonSOLE
92826C839VVISA INC$80.2M5.60%265,330CommonSOLE
57636Q104MAMASTERCARD INCORPORATED$73.5M5.13%147,000CommonSOLE
G0403H108AONAON PLC$69.0M4.82%213,860CommonSOLE
594918104MSFTMICROSOFT CORP$62.7M4.38%169,450CommonSOLE
30303M102METAMETA PLATFORMS INC$60.5M4.22%105,710CommonSOLE
883556102TMOTHERMO FISHER SCIENTIFIC INC$59.5M4.15%121,000CommonSOLE
929160109VMCVULCAN MATLS CO$58.3M4.07%214,200CommonSOLE
45167R104IEXIDEX CORP$50.1M3.50%264,300CommonSOLE
023135106AMZNAMAZON COM INC$46.3M3.23%222,500CommonSOLE
422806208HEI/AHEICO CORP NEW$39.9M2.78%188,979CommonSOLE
09073M104TECHBIO-TECHNE CORP$34.1M2.38%653,200CommonSOLE
G1151C101ACNACCENTURE PLC IRELAND$33.8M2.36%170,700CommonSOLE
032654105ADIANALOG DEVICES INC$33.8M2.36%106,350CommonSOLE
294429105EFXEQUIFAX INC$33.8M2.36%187,605CommonSOLE
882508104TXNTEXAS INSTRS INC$31.1M2.17%160,100CommonSOLE
829933100SIRISIRIUSXM HOLDINGS INC$29.8M2.08%1,293,000CommonSOLE
530307305LBRDKLIBERTY BROADBAND CORP$29.0M2.02%576,000CommonSOLE
504922105LHLABCORP HOLDINGS INC$26.4M1.84%99,050CommonSOLE
679580100ODFLOLD DOMINION FREIGHT LINE IN$25.8M1.80%132,000CommonSOLE
573284106MLMMARTIN MARIETTA MATLS INC$23.4M1.63%39,775CommonSOLE
37940X102GPNGLOBAL PMTS INC$22.5M1.57%335,000CommonSOLE
22160N109CSGPCOSTAR GROUP INC$20.9M1.46%517,025CommonSOLE
45168D104IDXXIDEXX LABS INC$19.8M1.38%35,300CommonSOLE
79466L302CRMSALESFORCE COM INC$15.2M1.06%81,500CommonSOLE
004498101ACIWACI WORLDWIDE INC$15.1M1.05%367,700CommonSOLE
58733R102MELIMERCADOLIBRE INC$13.8M0.97%8,000CommonSOLE
71385M107PRMPERIMETER SOLUTIONS INC$12.4M0.87%509,400CommonSOLE
501889208LKQLKQ CORP$12.0M0.84%408,000CommonSOLE
45687V106IRINGERSOLL RAND INC$10.7M0.74%133,200CommonSOLE
298736109EEFTEURONET WORLDWIDE INC$10.6M0.74%160,000CommonSOLE
68389X105ORCLORACLE CORP$8.1M0.56%55,000CommonSOLE
N07059210ASMLASML HLDG NV$7.3M0.51%5,500CommonSOLE
874039100TSMTAIWAN SEMICONDUCTOR MANUFAC$6.8M0.47%20,000CommonSOLE
530307107LBRDALIBERTY BROADBAND CORP$6.5M0.46%130,000CommonSOLE
67066G104NVDANVIDIA CORPORATION$6.1M0.43%35,000CommonSOLE
12514G108CDWCDW CORP$4.4M0.31%36,250CommonSOLE
G54950103LINLINDE PLC$3.6M0.25%7,200CommonSOLE
92338C103VLTOVERALTO CORP$3.5M0.25%40,000CommonSOLE
73278L105POOLPOOL CORP$3.0M0.21%15,000CommonSOLE
759916109RGENREPLIGEN CORP$3.0M0.21%25,500CommonSOLE
78409V104SPGIS&P GLOBAL INC$3.0M0.21%7,050CommonSOLE
20030N101CMCSACOMCAST CORP NEW$1.3M0.09%47,000CommonSOLE
34959J108FTVFORTIVE CORP$1.2M0.09%22,500CommonSOLE
31488V107FERGFERGUSON ENTERPRISES INC$1.2M0.08%5,200CommonSOLE
032095101APHAMPHENOL CORP$1.2M0.08%9,200CommonSOLE
16119P108CHTRCHARTER COMMUNICATIONS INC$140,3220.01%650CommonSOLE

Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.