Weitz Investment Management

Managed by Wally Weitz
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Portfolio value
$1.44B
Holdings
49
Top 5 weight
33.9%
Latest filing

Portfolio

Reported 13F holdings, largest positions first
49holdings
BRK.B 9.41%GOOGL 6.56%DHR 6.45%V 6.3%MA 5.17%Other 66.1%
Company% PortfolioSharesValue
MELIMERCADOLIBRE INC1.08%9,200$15.60MACNACCENTURE PLC1.03%119,700$14.90MIRINGERSOLL RAND INC0.92%161,700$13.30MCSGPCOSTAR GROUP INC0.83%423,200$12.00MEEFTEURONET WORLDWIDE INC0.81%160,000$11.70MASMLASML HOLDING NV0.75%5,500$10.90MLKQLKQ CORP0.74%408,000$10.70MNFLXNETFLIX INC0.73%147,200$10.50MTSMTAIWAN SEMICONDUCTOR MANUFACTURING CO LTD0.66%20,000$9.60MORCLORACLE CORP0.56%55,000$8.10MCOFCAPITAL ONE FINANCIAL CORP0.55%40,000$8.00MCRMSALESFORCE INC0.53%49,300$7.70MNVDANVIDIA CORP0.48%35,000$7.00MVLTOVERALTO CORP0.48%77,500$6.90MRGENREPLIGEN CORP0.39%40,800$5.60MLINLINDE PLC0.26%7,100$3.70MMTDMETTLER TOLEDO INTERNATIONAL INC0.23%2,500$3.30MPOOLPOOL CORP0.22%15,000$3.20MSPGIS&P GLOBAL INC0.2%7,200$2.90MAPHAMPHENOL CORP0.11%9,200$1.60MFTVFORTIVE CORP0.09%21,800$1.30MCMCSACOMCAST CORP0.08%47,000$1.20MFERGFERGUSON ENTERPRISES INC0.08%5,200$1.20MCHTRCHARTER COMMUNICATIONS INC0.01%700$100.00K
From the fund's Q2 '26 13F filingWhat is a 13F?

Activity

Buys and sells, quarter by quarter
Filing quarter

filing - 35 moves · 13 buy-side · 22 sell-side

CompanyChangeValue
BRK.BBERKSHIRE HATHAWAY INC3%$135.90MGOOGLALPHABET INC18%$94.70MDHRDANAHER CORP2%$93.20MMAMASTERCARD INC1%$74.70MVMCVULCAN MATERIALS CO5%$60.10MMETAMETA PLATFORMS INC3%$58.00MTMOTHERMO FISHER SCIENTIFIC INC5%$57.80MIEXIDEX CORP5%$57.30MMSFTMICROSOFT CORP10%$57.10MHEIHEICO CORP8%$52.70MAMZNAMAZON COM INC2%$51.80MTECHBIO-TECHNE CORP17%$38.40MSIRISIRIUS XM HOLDINGS INC8%$35.10MADIANALOG DEVICES INC20%$33.80MEFXEQUIFAX INC2%$30.50MMLMMARTIN MARIETTA MATERIALS INC19%$27.30MODFLOLD DOMINION FREIGHT LINE INCSold$25.80MGPNGLOBAL PAYMENTS INC4%$25.40M
LBRDALBRDA1%$23.30M
TXNTEXAS INSTRUMENTS INC51%$23.20MPRMPERIMETER SOLUTIONS INC12%$16.10MMELIMERCADOLIBRE INC15%$15.60MACNACCENTURE PLC30%$14.90MIRINGERSOLL RAND INC21%$13.30MCSGPCOSTAR GROUP INC18%$12.00M

filing - 44 moves · 14 buy-side · 30 sell-side

CompanyChangeValue
BRK.BBERKSHIRE HATHAWAY INC3%$133.60MGOOGLALPHABET INC6%$93.70MDHRDANAHER CORP7%$90.60MVVISA INC2%$80.20MMAMASTERCARD INC6%$73.50MAONAON PLC2%$69.00MMSFTMICROSOFT CORP16%$62.70MMETAMETA PLATFORMS INC3%$60.50MTMOTHERMO FISHER SCIENTIFIC INC10%$59.50MVMCVULCAN MATERIALS CO2%$58.30MIEXIDEX CORP32%$50.10MHEIHEICO CORP16%$39.90M
LBRDALBRDA11%$35.50M
TECHBIO-TECHNE CORP19%$34.10MACNACCENTURE PLC6%$33.80MADIANALOG DEVICES INC20%$33.80MEFXEQUIFAX INC13%$33.80MTXNTEXAS INSTRUMENTS INC3%$31.10MSIRISIRIUS XM HOLDINGS INC7%$29.80MLHLABCORP HOLDINGS INC1%$26.40MODFLOLD DOMINION FREIGHT LINE INC37%$25.80MMLMMARTIN MARIETTA MATERIALS INC4%$23.40MGPNGLOBAL PAYMENTS INC34%$22.50MCSGPCOSTAR GROUP INC28%$20.90MROPROPER TECHNOLOGIES INCSold$16.30M

filing - 34 moves · 13 buy-side · 21 sell-side

CompanyChangeValue
DHRDANAHER CORP2%$117.70MGOOGLALPHABET INC21%$109.20MTMOTHERMO FISHER SCIENTIFIC INC10%$78.20MAONAON PLC2%$77.20MMSFTMICROSOFT CORP5%$70.60MIEXIDEX CORP4%$69.70MVMCVULCAN MATERIALS CO1%$60.00MTECHBIO-TECHNE CORP0%$47.20MEFXEQUIFAX INC0%$46.60MACNACCENTURE PLC0%$43.20MGPNGLOBAL PAYMENTS INC8%$39.10M
LBRDALBRDA23%$38.40M
ADIANALOG DEVICES INC5%$36.00MODFLOLD DOMINION FREIGHT LINE INC0%$32.70MKMXCARMAX INCSold$29.10MTXNTEXAS INSTRUMENTS INC0%$28.60MLHLABCORP HOLDINGS INC29%$25.00MIDXXIDEXX LABORATORIES INC38%$23.90MACIWACI WORLDWIDE INC0%$17.60MROPROPER TECHNOLOGIES INC16%$16.30MPRMPERIMETER SOLUTIONS INC32%$14.00M
CCRDCCRDSold$13.90M
LKQLKQ CORP17%$13.30MEEFTEURONET WORLDWIDE INCNew$12.20MCDWCDW CORP58%$7.70M

filing - 26 moves · 13 buy-side · 13 sell-side

CompanyChangeValue
GOOGLALPHABET INC1%$107.30MVVISA INC9%$92.40MMAMASTERCARD INC6%$88.70MMETAMETA PLATFORMS INC6%$79.80MMSFTMICROSOFT CORP19%$79.80MIEXIDEX CORP0%$66.20MVMCVULCAN MATERIALS CO0%$65.40MCSGPCOSTAR GROUP INC6%$60.70MEFXEQUIFAX INC2%$55.10MGPNGLOBAL PAYMENTS INC2%$45.70MHEIHEICO CORP0%$41.40MLHLABCORP HOLDINGS INC1%$40.10MACNACCENTURE PLC29%$39.60MIDXXIDEXX LABORATORIES INC6%$36.30MADIANALOG DEVICES INC1%$34.20MCHTRCHARTER COMMUNICATIONS INC9%$28.20MITGARTNER INC22%$28.20MORCLORACLE CORP59%$19.70MACIWACI WORLDWIDE INC20%$19.40MPRMPERIMETER SOLUTIONS INC62%$16.70MLKQLKQ CORP17%$16.30MMELIMERCADOLIBRE INCNew$8.60MCDWCDW CORPNew$5.70MGLIBALIBERTY CAPITAL CORPNew$4.80MFTVFORTIVE CORP2%$2.30M

filing - 22 moves · 6 buy-side · 16 sell-side

CompanyChangeValue
VVISA INC8%$105.80MDHRDANAHER CORP6%$104.10MMAMASTERCARD INC8%$92.80MMETAMETA PLATFORMS INC4%$85.40MIEXIDEX CORP1%$71.30MMSFTMICROSOFT CORP4%$64.40M
LBRDALBRDA4%$62.90M
CSGPCOSTAR GROUP INC16%$61.60MTMOTHERMO FISHER SCIENTIFIC INC19%$61.00MGPNGLOBAL PAYMENTS INC3%$44.80MKMXCARMAX INC19%$43.60MTECHBIO-TECHNE CORP1%$41.30MCHTRCHARTER COMMUNICATIONS INC18%$38.60MACNACCENTURE PLC11%$37.30MLHLABCORP HOLDINGS INC7%$37.10MTXNTEXAS INSTRUMENTS INC3%$34.20MSIRISIRIUS XM HOLDINGS INC6%$31.80MADBEADOBE INCSold$31.60MPRMPERIMETER SOLUTIONS INC5%$27.30MACIWACI WORLDWIDE INC14%$14.00MFTVFORTIVE CORP12%$2.40MRALRALLIANT CORPNew$700.00K

filing - 34 moves · 15 buy-side · 19 sell-side

CompanyChangeValue
BRK.BBERKSHIRE HATHAWAY INC11%$152.80MVVISA INC6%$113.60MDHRDANAHER CORP23%$101.80MMAMASTERCARD INC4%$98.20MAONAON PLC18%$85.20MIEXIDEX CORP21%$72.60MCSGPCOSTAR GROUP INC2%$72.20MGOOGLALPHABET INC14%$69.60MMETAMETA PLATFORMS INC24%$69.60MTMOTHERMO FISHER SCIENTIFIC INC5%$62.80MKMXCARMAX INC2%$62.70MGPNGLOBAL PAYMENTS INC2%$56.80MEFXEQUIFAX INC12%$51.20MMSFTMICROSOFT CORP193%$50.50MVMCVULCAN MATERIALS CO11%$49.40MTECHBIO-TECHNE CORP108%$46.40MACNACCENTURE PLC31%$43.60MCHTRCHARTER COMMUNICATIONS INC15%$42.50MAMZNAMAZON COM INC10%$42.30MITGARTNER INC36%$36.90MLHLABCORP HOLDINGS INC36%$35.20MODFLOLD DOMINION FREIGHT LINE INC10%$34.50MADBEADOBE INC106%$31.60MIDXXIDEXX LABORATORIES INCNew$25.30MORCLORACLE CORP18%$23.80M

filing - 27 moves · 8 buy-side · 19 sell-side

CompanyChangeValue
VVISA INC3%$109.60MGOOGLALPHABET INC9%$98.80MMAMASTERCARD INC8%$98.50MMETAMETA PLATFORMS INC5%$92.90MDHRDANAHER CORP15%$92.60MIEXIDEX CORP17%$69.20MKMXCARMAX INC2%$67.50MGPNGLOBAL PAYMENTS INC3%$66.10MCSGPCOSTAR GROUP INC0%$63.70MAMZNAMAZON COM INC2%$54.30MLHLABCORP HOLDINGS INC0%$54.20MVMCVULCAN MATERIALS CO0%$49.20MEFXEQUIFAX INC7%$48.00MORCLORACLE CORP3%$34.60MODFLOLD DOMINION FREIGHT LINE INC10%$33.50MSIRISIRIUS XM HOLDINGS INC16%$33.40MTECHBIO-TECHNE CORP708%$27.50MPRMPERIMETER SOLUTIONS INC9%$26.90MSPGIS&P GLOBAL INC13%$23.50MFISFIDELITY NATIONAL INFORMATION SERVICES INC34%$22.00MMCHPMICROCHIP TECHNOLOGY INCSold$20.80MMSFTMICROSOFT CORP12%$19.30MGWREGUIDEWIRE SOFTWARE INCSold$17.70MLKQLKQ CORP0%$16.80MROPROPER TECHNOLOGIES INC53%$16.30M

filing - 20 moves · 4 buy-side · 16 sell-side

CompanyChangeValue
METAMETA PLATFORMS INC11%$95.70MGOOGLALPHABET INC8%$94.80MTMOTHERMO FISHER SCIENTIFIC INC4%$74.40MKMXCARMAX INC2%$65.40MGPNGLOBAL PAYMENTS INC15%$62.50MIEXIDEX CORP19%$60.60MLHLABCORP HOLDINGS INC2%$52.80MCHTRCHARTER COMMUNICATIONS INC5%$43.90MFISFIDELITY NATIONAL INFORMATION SERVICES INC6%$34.50MPRMPERIMETER SOLUTIONS INC35%$31.30MFWONALIBERTY MEDIA CORPSold$31.00MSIRISIRIUS XM HOLDINGS INCNew$29.80MLBTYALIBERTY GLOBAL LTD3%$29.10MSPGIS&P GLOBAL INC21%$28.00MACIWACI WORLDWIDE INC4%$18.20MGWREGUIDEWIRE SOFTWARE INC5%$17.70MVRSNVERISIGN INC27%$12.00MTECHBIO-TECHNE CORP7%$3.80MRWTDBTREDWOOD TRUST INC72%$3.40MLLYVALIBERTY LIVE HOLDINGS INCSold$2.90M
Changes are share-count changes vs. the prior quarter