Asset Manager · CIK 0000883965

Wally Weitz

Weitz Investment

Mid-Size Fund

Wally Weitz runs Weitz Investment, an asset manager overseeing $1.69B in disclosed equity holdings (SEC CIK 0000883965). The latest portfolio (2025Q4) discloses 44 positions across 9 sectors, with the largest positions in BRK.B, DHR and GOOG. On a mark-to-market basis the tracked portfolio has returned 8.5% over the past year. OpenStocks tracks 40 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.

Track Wally's filings View holdings

Portfolio

$1.69B

Positions

Quarter

2025Q4

Filings tracked

1Y+8.5%Since filing+159.3%Full performance →

Quarter

2025Q4 2025Q3 2025Q2 2025Q1 2024Q4 2024Q3 2024Q2 2024Q1 2023Q4 2023Q3 2023Q2 2023Q1

Holdings

Sorted by value · 2025Q3

Sector48 positions

BRK.BBERKSHIRE HATHAWAY INC DEL

7.83%

of portfolio

Number of shares

286,850 sh

Holdings current value

$144.21M

Avg closing price

$142.98

+231.9%

Last action

Trimmed 11.2%

2025Q1

Current $474.58

GOOGALPHABET INC

Communication Services·Internet Content & Information

5.82%

of portfolio

Number of shares

440,600 sh

Holdings current value

$107.31M

Avg closing price

$130.47

+160.1%

Last action

Trimmed 17.4%

2025Q4

Current $339.40

DHRDANAHER CORPORATION

Healthcare·Diagnostics & Research

5.67%

of portfolio

Number of shares

526,950 sh

Holdings current value

$104.47M

Avg closing price

$192.53

+1.2%

Last action

Trimmed 2.4%

2025Q4

Current $194.75

VVISA INC

Financial Services·Credit Services

5.01%

of portfolio

Number of shares

270,580 sh

Holdings current value

$92.37M

Avg closing price

$87.59

+261.9%

Last action

Trimmed 9.2%

2025Q3

Current $317.02

MAMASTERCARD INCORPORATED

Financial Services·Credit Services

4.81%

of portfolio

Number of shares

155,900 sh

Holdings current value

$88.68M

Avg closing price

$112.97

+361.5%

Last action

Trimmed 5.6%

2025Q3

Current $521.30

METAMETA PLATFORMS INC

Communication Services·Internet Content & Information

4.33%

of portfolio

Number of shares

108,710 sh

Holdings current value

$79.83M

Avg closing price

$186.51

+269.2%

Last action

Trimmed 6.0%

2025Q3

Current $688.55

MSFTMICROSOFT CORP

Technology·Software - Infrastructure

4.33%

of portfolio

Number of shares

153,975 sh

Holdings current value

$79.75M

Avg closing price

$359.37

+17.6%

Last action

Trimmed 4.9%

2025Q4

Current $422.79

G0403H108AON PLC

4.13%

of portfolio

Number of shares

213,450 sh

Holdings current value

$76.11M

Avg closing price

$246.82

Last action

Added 2.5%

2025Q4

Current —

TMOTHERMO FISHER SCIENTIFIC INC

Healthcare·Diagnostics & Research

3.96%

of portfolio

Number of shares

150,450 sh

Holdings current value

$72.97M

Avg closing price

$340.43

+54.7%

Last action

Trimmed 9.3%

2025Q4

Current $526.60

IEXIDEX CORP

Industrials·Specialty Industrial Machinery

3.59%

of portfolio

Number of shares

406,475 sh

Holdings current value

$66.16M

Avg closing price

$190.15

+8.3%

Last action

Trimmed 3.6%

2025Q4

Current $205.92

VMCVULCAN MATLS CO

Basic Materials·Building Materials

3.55%

of portfolio

Number of shares

212,700 sh

Holdings current value

$65.43M

Avg closing price

$123.95

+135.4%

Last action

Trimmed 1.2%

2025Q4

Current $291.71

CSGPCOSTAR GROUP INC

Real Estate·Real Estate Services

3.30%

of portfolio

Number of shares

719,850 sh

Holdings current value

$60.73M

Avg closing price

$107.99

-63.2%

Last action

Trimmed 6.0%

2025Q3

Current $39.72

EFXEQUIFAX INC

Industrials·Consulting Services

2.99%

of portfolio

Number of shares

214,600 sh

Holdings current value

$55.05M

Avg closing price

$203.43

-3.5%

Last action

Added 0.1%

2025Q4

Current $196.22

AMZNAMAZON COM INC

Consumer Cyclical·Internet Retail

2.65%

of portfolio

Number of shares

222,500 sh

Holdings current value

$48.85M

Avg closing price

$170.60

+46.9%

Last action

Trimmed 10.1%

2025Q1

Current $250.56

GPNGLOBAL PMTS INC

Industrials·Specialty Business Services

2.48%

of portfolio

Number of shares

550,000 sh

Holdings current value

$45.69M

Avg closing price

$114.33

-36.7%

Last action

Trimmed 7.6%

2025Q4

Current $72.37

TECHBIO-TECHNE CORP

Healthcare·Biotechnology

2.42%

of portfolio

Number of shares

802,150 sh

Holdings current value

$44.62M

Avg closing price

$64.91

-8.7%

Last action

Added 0.1%

2025Q4

Current $59.23

HEI/AHEICO CORP NEW

2.24%

of portfolio

Number of shares

162,779 sh

Holdings current value

$41.36M

Avg closing price

$67.36

Last action

Trimmed 0.1%

2025Q3

Current —

LHLABCORP HOLDINGS INC

Healthcare·Diagnostics & Research

2.18%

of portfolio

Number of shares

139,750 sh

Holdings current value

$40.12M

Avg closing price

$203.51

+33.0%

Last action

Trimmed 22.3%

2025Q4

Current $270.68

G1151C101ACCENTURE PLC IRELAND

2.15%

of portfolio

Number of shares

160,550 sh

Holdings current value

$39.59M

Avg closing price

$206.94

Last action

Added 0.2%

2025Q4

Current —

IDXXIDEXX LABS INC

Healthcare·Diagnostics & Research

1.97%

of portfolio

Number of shares

56,800 sh

Holdings current value

$36.29M

Avg closing price

$419.95

+40.3%

Last action

Trimmed 27.5%

2025Q4

Current $589.25

ADIANALOG DEVICES INC

Technology·Semiconductors

1.86%

of portfolio

Number of shares

139,300 sh

Holdings current value

$34.23M

Avg closing price

$95.12

+290.5%

Last action

Trimmed 4.5%

2025Q4

Current $371.45

SIRISIRIUSXM HOLDINGS INC

Communication Services·Entertainment

1.75%

of portfolio

Number of shares

1,384,000 sh

Holdings current value

$32.21M

Avg closing price

$23.53

+8.3%

Last action

Trimmed 5.6%

2025Q2

Current $25.48

LBRDKLIBERTY BROADBAND CORP

Communication Services·Telecom Services

1.73%

of portfolio

Number of shares

500,500 sh

Holdings current value

$31.80M

Avg closing price

$69.97

-21.1%

Last action

Added 43.0%

2025Q4

Current $55.23

TXNTEXAS INSTRS INC

Technology·Semiconductors

1.64%

of portfolio

Number of shares

164,575 sh

Holdings current value

$30.24M

Avg closing price

$59.73

+284.7%

Last action

Added 0.3%

2025Q4

Current $229.82

ODFLOLD DOMINION FREIGHT LINE IN

Industrials·Trucking

1.59%

of portfolio

Number of shares

208,500 sh

Holdings current value

$29.35M

Avg closing price

$168.79

+29.0%

Last action

Added 0.1%

2025Q4

Current $217.76

KMXCARMAX INC

Consumer Cyclical·Auto & Truck Dealerships

1.58%

of portfolio

Number of shares

649,400 sh

Holdings current value

$29.14M

Avg closing price

$76.99

-46.9%

Last action

Exited

2025Q4

Current $40.88

CHTRCHARTER COMMUNICATIONS INC N

Communication Services·Telecom Services

1.53%

of portfolio

Number of shares

102,605 sh

Holdings current value

$28.23M

Avg closing price

$317.79

-25.5%

Last action

Trimmed 49.8%

2025Q4

Current $236.62

ITGARTNER INC

Technology·Information Technology Services

1.53%

of portfolio

Number of shares

107,375 sh

Holdings current value

$28.23M

Avg closing price

$315.17

-50.9%

Last action

Trimmed 43.6%

2025Q4

Current $154.62

MLMMARTIN MARIETTA MATLS INC

Basic Materials·Building Materials

1.41%

of portfolio

Number of shares

41,275 sh

Holdings current value

$26.01M

Avg closing price

$194.06

+220.5%

Last action

Added 1.5%

2025Q1

Current $622.02

CRMSALESFORCE COM INC

Technology·Software - Application

1.13%

of portfolio

Number of shares

87,500 sh

Holdings current value

$20.74M

Avg closing price

$143.42

+27.0%

Last action

Trimmed 7.9%

2025Q1

Current $182.14

ORCLORACLE CORP

Technology·Software - Infrastructure

1.07%

of portfolio

Number of shares

70,000 sh

Holdings current value

$19.69M

Avg closing price

$48.45

+261.3%

Last action

Trimmed 58.8%

2025Q3

Current $175.06

ACIWACI WORLDWIDE INC

Technology·Software - Infrastructure

1.05%

of portfolio

Number of shares

366,800 sh

Holdings current value

$19.36M

Avg closing price

$31.77

+40.0%

Last action

Added 0.2%

2025Q4

Current $44.47

PRMPERIMETER SOLUTIONS INC

Basic Materials·Specialty Chemicals

0.91%

of portfolio

Number of shares

744,972 sh

Holdings current value

$16.68M

Avg closing price

$12.78

+117.5%

Last action

Trimmed 24.0%

2025Q4

Current $27.80

LKQLKQ CORP

Consumer Cyclical·Auto Parts

0.89%

of portfolio

Number of shares

534,000 sh

Holdings current value

$16.31M

Avg closing price

$32.63

-4.6%

Last action

Trimmed 14.8%

2025Q4

Current $31.12

ROPROPER TECHNOLOGIES INC

Technology·Software - Application

0.85%

of portfolio

Number of shares

31,425 sh

Holdings current value

$15.67M

Avg closing price

$450.91

-19.6%

Last action

Added 19.5%

2025Q4

Current $362.44

CMCSACOMCAST CORP NEW

Communication Services·Telecom Services

0.77%

of portfolio

Number of shares

451,500 sh

Holdings current value

$14.19M

Avg closing price

$37.95

-21.9%

Last action

Trimmed 44.8%

2025Q4

Current $29.63

35YCORECARD CORPORATION

0.75%

of portfolio

Number of shares

515,000 sh

Holdings current value

$13.86M

Avg closing price

$4.46

Last action

Exited

2025Q4

Current —

LBRDALIBERTY BROADBAND CORP

Communication Services·Telecom Services

0.48%

of portfolio

Number of shares

140,000 sh

Holdings current value

$8.87M

Avg closing price

$82.04

-32.8%

Last action

Trimmed 26.3%

2023Q3

Current $55.13

MELIMERCADOLIBRE INC

Consumer Cyclical·Internet Retail

0.47%

of portfolio

Number of shares

3,700 sh

Holdings current value

$8.65M

Avg closing price

$2337

-20.6%

Last action

New holding

2025Q3

Current $1856

CDWCDW CORP

Technology·Information Technology Services

0.31%

of portfolio

Number of shares

35,650 sh

Holdings current value

$5.68M

Avg closing price

$150.83

-11.2%

Last action

Added 136.9%

2025Q4

Current $133.96

VLTOVERALTO CORP

Industrials·Pollution & Treatment Controls

0.22%

of portfolio

Number of shares

37,500 sh

Holdings current value

$4.00M

Avg closing price

$82.49

+10.3%

Last action

Added 1.4%

2025Q4

Current $90.98

GLIBKGCI LIBERTY INC

Communication Services·Telecom Services

0.20%

of portfolio

Number of shares

100,100 sh

Holdings current value

$3.73M

Avg closing price

$37.27

+0.8%

Last action

Exited

2025Q4

Current $37.56

RWT 5.75 10/01/25RWT HLDGS INC

0.19%

of portfolio

Number of shares

3,500,000 sh

Holdings current value

$3.51M

Avg closing price

$0.95

Last action

Exited

2025Q4

Current —

SPGIS&P GLOBAL INC

Financial Services·Financial Data & Stock Exchanges

0.19%

of portfolio

Number of shares

7,140 sh

Holdings current value

$3.48M

Avg closing price

$262.76

+68.4%

Last action

Trimmed 84.9%

2025Q1

Current $442.57

G54950103LINDE PLC

0.18%

of portfolio

Number of shares

6,900 sh

Holdings current value

$3.28M

Avg closing price

$358.40

Last action

Added 4.5%

2025Q4

Current —

DEODIAGEO PLCADR

Consumer Defensive·Beverages - Wineries & Distilleries

0.15%

of portfolio

Number of shares

28,300 sh

Holdings current value

$2.70M

Avg closing price

$137.06

-40.3%

Last action

Trimmed 13.7%

2025Q4

Current $81.88

FTVFORTIVE CORP

Technology·Scientific & Technical Instruments

0.12%

of portfolio

Number of shares

46,400 sh

Holdings current value

$2.27M

Avg closing price

$58.38

+3.7%

Last action

Trimmed 2.1%

2025Q4

Current $60.52

GLIBAGCI LIBERTY INC

0.06%

of portfolio

Number of shares

28,000 sh

Holdings current value

$1.05M

Avg closing price

$37.55

+0.7%

Last action

Exited

2025Q4

Current $37.83

Portfolio heatmap

Box size = % of portfolio · color = return since filing

Sector exposure

Share of dollar value across the latest reported portfolio. Unclassified positions excluded.

Communication Services8 pos$306.2M20.1%
Healthcare5 pos$298.5M19.6%
Technology10 pos$255.8M16.8%
Industrials5 pos$200.3M13.2%
Financial Services3 pos$184.5M12.1%
Basic Materials3 pos$108.1M7.1%
Consumer Cyclical4 pos$102.9M6.8%
Real Estate1 pos$60.7M4.0%
Consumer Defensive1 pos$2.7M0.2%

(17.5% unclassified, excluded from %)