Warren Buffett 29 Bill Ackman 11 Charlie Munger 4 MB Michael Burry Q3 2025 Carl Icahn 12 JG Joel Greenblatt 1791 Seth Klarman 23 Howard Marks 54 DE David Einhorn Q4 2023 David Tepper 27 SD Stanley Druckenmiller 90 DL Dan Loeb 39 MP Mohnish Pabrai 4 LL Li Lu 8 Prem Watsa 32 CC Chase Coleman 46 PL Philippe Laffont 66 Cliff Asness 3896 MG Mario Gabelli 916 BM Bill Miller 56 TG Tom Gayner 130 CA Chuck Akre 19 RB Ron Baron 345 BN Bill Nygren 161 John Rogers 106 SM Stephen Mandel 34 AH Andreas Halvorsen 90 LA Lee Ainslie 177 Tom Steyer 85 JE Jean-Marie Eveillard 424 BB Bruce Berkowitz 13 TB Tweedy, Browne 91 D& Dodge & Cox 222 MH Mason Hawkins 47 DA David Abrams 11 MM Mason Morfit 18 BR Barry Rosenstein 10 MW Marty Whitman 55 SB Sardar Biglari 12 RP Richard Pzena 161 PM PRIMECAP Management 324 HC Hersh Cohen 698 BC Boykin Curry 56 CB Charles Brandes 193 RD Ric Dillon 186 MS Murray Stahl 351 EW Ed Wachenheim 28 DY Donald Yacktman 74 SR Steven Romick 72 AW Andrew Wellington 41 RC Ruane, Cunniff & Goldfarb 54 DS Donald Smith 66 LR Larry Robbins 44 BS Bill Smead 32 GG Glenn Greenberg 40 MM Mark Massey 8 AR Andrew Redleaf 487 CF C.T. Fitzpatrick 36 FR Francois Rochon 51 WN Will Nasgovitz 244 DI David Iben 30 EM Eric Marshall 223 WW Wallace Weitz 50 SS Sean Stannard-Stockton Q3 2024 JP Jay Petschek 164 TK Thomas Kahn 48 RR Robert Robotti 61 CD Charles de Vaulx Q4 2020 DR David Rolfe 18 AW Adam Wyden 8 GW Glenn Welling 9 LP Larry Pitkowsky 24 BL Bryan Lawrence 9 FC Francis Chou 31 AR Alex Roepers 12 MB Mark Boyar 77 Warren Lichtenstein 9 JR James Roumell Q2 2024 RO Robert Olstein 1 TB Tom Bancroft 1
WW
Wallace Weitz
Weitz Investment Management
Portfolio value
$1,444,222,377
Stocks
50
Period
Q2 2026
Filed
12 Aug 2026
Holdings Activity HistoryPRO Analytics Across all investors →

Patient value investor focused on owner-operated businesses.

✦

Cut Texas Instruments Inc 51.3%, added 94% to Veralto Corp and opened 3 new positions, the largest NFLX at 0.7%. Unknown is still the biggest weight in the book at 23.0%. The top five names are 34% of it.

Sector exposure
Unknown 23.0%
Financial Services 17.1%
Communication Services 13.8%
Technology 12.3%
Healthcare 10.5%
Industrials 9.5%
Basic Materials 7.4%
Consumer Cyclical 5.4%
Real Estate 0.8%
Portfolio return
Time-weighted · held at window start
Stock % Portfolio Recent Activity Shares Reported Price Value
BRK/B — Berkshire Hathaway Inc-Cl B 9.41% Reduce 2.60% 271,600 $500.39 $135,905,924 ↗ ◎
GOOG — Alphabet Inc Cl C 6.56% Reduce 17.95% 268,100 $353.33 $94,727,773 ↗ ◎
DANAHER ORD 6.46% 489,500 $190.48 $93,239,960
V — Visa Inc-Class A Shares 6.30% 265,330 $343.09 $91,032,070 ↗ ◎
MA — Mastercard Inc - A 5.17% Reduce 1.12% 145,350 $513.60 $74,651,760 ↗ ◎
AON — Aon Plc 4.91% 213,860 $331.69 $70,935,223 ↗ ◎
VMC — Vulcan Materials Co 4.16% Reduce 4.86% 203,800 $295.01 $60,123,038 ↗ ◎
META — Meta Platforms Inc 4.02% Reduce 2.60% 102,960 $563.29 $57,996,338 ↗ ◎
TMO — Thermo Fisher Scientific Inc. 4.00% Reduce 4.79% 115,200 $501.36 $57,756,672 ↗ ◎
IEX — Idex Corp 3.97% Reduce 4.50% 252,400 $226.95 $57,282,180 ↗ ◎
MSFT — Microsoft Corp 3.96% Reduce 9.59% 153,200 $373.02 $57,146,664 ↗ ◎
HEI/A — Heico Corp-Class A 3.65% Add 8.20% 204,479 $257.91 $52,737,179 ↗ ◎
AMZN — Amazon Com Inc 3.59% Reduce 2.25% 217,500 $238.34 $51,838,950 ↗ ◎
TECH — Bio-Techne Corp 2.66% Reduce 16.84% 543,200 $70.65 $38,377,080 ↗ ◎
SIRI — Sirius Xm Holdings Inc 2.43% Reduce 8.12% 1,188,000 $29.54 $35,093,520 ↗ ◎
ADI — Analog Devices Inc 2.34% Reduce 19.86% 85,225 $397.17 $33,848,813 ↗ ◎
EFX — Equifax Inc 2.11% Add 2.33% 191,980 $158.72 $30,471,066 ↗ ◎
LH — Labcorp Holdings Inc 1.92% 99,050 $280.00 $27,734,000 ↗ ◎
MLM — Martin Marietta Materials 1.89% Add 19.09% 47,370 $576.70 $27,318,279 ↗ ◎
GPN — Global Payments Inc 1.76% Add 4.48% 350,000 $72.56 $25,396,000 ↗ ◎
TXN — Texas Instruments Inc 1.61% Reduce 51.34% 77,900 $298.07 $23,219,653 ↗ ◎
LBRDK — Liberty Broadband-C 1.33% 576,000 $33.26 $19,157,760 ↗ ◎
IDXX — Idexx Laboratories Inc 1.29% 35,300 $526.44 $18,583,332 ↗ ◎
ACIW — Aci Worldwide Inc 1.28% 367,700 $50.29 $18,491,633 ↗ ◎
PRM — Perimeter Solutions Inc 1.11% Reduce 11.50% 450,817 $35.65 $16,071,626 ↗ ◎
MELI — Mercadolibre Inc 1.08% Add 15.00% 9,200 $1697.39 $15,615,988 ↗ ◎
ACCENTURE CL A ORD 1.03% 119,700 $124.44 $14,895,468
IR — Ingersoll Rand Inc. 0.92% Add 21.37% 161,670 $81.99 $13,255,323 ↗ ◎
CSGP — Costar Group Inc 0.83% Reduce 18.15% 423,181 $28.32 $11,984,486 ↗ ◎
EEFT — Euronet Worldwide Inc 0.81% 160,000 $73.19 $11,710,400 ↗ ◎
ASML HOLDING ADR REP ORD 0.76% 5,500 $1989.44 $10,941,920
LKQ — Lkq Corp 0.74% 408,000 $26.33 $10,742,640 ↗ ◎
NFLX — Netflix Inc 0.73% New 147,200 $71.40 $10,510,080 ↗ ◎
TSM — Taiwan Semiconductor-Sp Adr 0.66% 20,000 $477.57 $9,551,400 ↗ ◎
ORCL — Oracle Corp 0.56% 55,000 $146.55 $8,060,250 ↗ ◎
COF — Capital One Financial Corp 0.56% New 40,000 $200.62 $8,024,800 ↗ ◎
CRM — Salesforce Inc 0.54% Reduce 39.51% 49,300 $156.66 $7,723,338 ↗ ◎
NVDA — Nvidia Corp 0.48% 35,000 $200.09 $7,003,150 ↗ ◎
VLTO — Veralto Corp 0.48% Add 93.75% 77,500 $88.68 $6,872,700 ↗ ◎
RGEN — Repligen Corp 0.39% Add 60.00% 40,800 $136.44 $5,566,752 ↗ ◎
LBRDA — Liberty Broadband-A 0.28% Reduce 4.81% 123,750 $33.28 $4,118,400 ↗ ◎
LIN — Linde Plc 0.26% Reduce 1.39% 7,100 $518.94 $3,684,474 ↗ ◎
MTD — Mettler-Toledo International 0.23% New 2,550 $1277.51 $3,257,651 ↗ ◎
POOL — Pool Corp 0.22% 15,000 $214.90 $3,223,500 ↗ ◎
SPGI — S&p Global Inc. 0.20% Add 1.42% 7,150 $407.26 $2,911,909 ↗ ◎
AMPHENOL CL A ORD 0.11% 9,200 $176.32 $1,622,144
FTV — Fortive Corp 0.09% Reduce 3.33% 21,750 $61.09 $1,328,708 ↗ ◎
FERG — Ferguson Enterprises Inc 0.09% 5,200 $237.33 $1,234,116 ↗ ◎
CMCSA — Comcast Corp-Class A 0.08% 47,000 $24.55 $1,153,850 ↗ ◎
CHTR — Charter Communications Inc-A 0.01% 650 $142.21 $92,437 ↗ ◎