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Weitz Investment Management, Inc.

CIK 883965 · latest 13F filed 12 August 2026 · Read the filing on EDGAR

Weitz Investment Management, Inc. reported 50 US-listed holdings worth $1.44 billion in its 13F for the quarter ended 30 June 2026, filed 12 August 2026. Its largest: Berkshire Hathaway Inc. Class B (9.4%), Alphabet Inc. (6.6%) and Danaher Corp. (6.5%). Against the quarter before, it opened 3 positions, added to 10, trimmed 20 and sold out of 2.

Reported holdings$1.44B+0.8% on Q1 2026
Positions50+1 on Q1 2026
The largest ten55.0%of its reported holdings
Latest 13FQ2 2026filed 12 August 2026
Where the money is
Added toHeldTrimmed
BRKB9.4%GOOG6.6%DHR6.5%V6.3%MA5.2%AON4.9%VMC4.2%META4.0%TMO4.0%IEX4.0%MSFT4.0%HEIA3.7%AMZN3.6%TECH36 more31.2%

The 14 largest of its 50 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q1 2026.

Reported holdings, quarter by quarter
Q3 2024: $2.03 billion in 50 positions$2.03BQ3 24Q4 2024: $1.94 billion in 47 positions$1.94BQ4 24Q1 2025: $1.88 billion in 45 positions$1.88BQ1 25Q2 2025: $1.86 billion in 45 positions$1.86BQ2 25Q3 2025: $1.84 billion in 48 positions$1.84BQ3 25Q4 2025: $1.69 billion in 44 positions$1.69BQ4 25Q1 2026: $1.43 billion in 49 positions$1.43BQ1 26Q2 2026: $1.44 billion in 50 positions$1.44BQ2 26

What the fund reported holding at each quarter's end; hover a bar for the number of positions

What it did on the quarter

Opened 3Added 10Held 17Trimmed 20Sold out 2
Opened: 3Added: 10Held: 17Trimmed: 20Sold out: 2

Its positions against its 13F for the quarter to 31 March 2026; a change under 0.1% of a position counts as held

Opened 3

  1. Netflix Inc. NFLX$10.5 million
  2. Capital One Financial Corp. COF$8.0 million
  3. Mettler Toledo International Inc. MTD$3.3 million

Added to 10

  1. Martin Marietta Materials Inc. MLM+7,595 shares · +19%
  2. Heico Corp. New HEIA+15,500 shares · +8%
  3. Veralto Corp. VLTO+37,500 shares · +94%
  4. Ingersoll Rand Inc. IR+28,470 shares · +21%
  5. Danaher Corp. DHR+11,750 shares · +2%
  6. Repligen Corp. RGEN+15,300 shares · +60%
  7. MercadoLibre, Inc. MELI+1,200 shares · +15%
  8. Global Payments Inc. GPN+15,000 shares · +4%

and 2 more in the table below

Trimmed 20

  1. Texas Instruments Inc. TXN-82,200 shares · -51%
  2. Alphabet Inc. GOOG-58,650 shares · -18%
  3. Analog Devices Inc. ADI-21,125 shares · -20%
  4. Bio-Techne Corp. TECH-110,000 shares · -17%
  5. Accenture plc ACN-51,000 shares · -30%
  6. Microsoft Corp. MSFT-16,250 shares · -10%
  7. Salesforce, Inc. CRM-32,200 shares · -40%
  8. Berkshire Hathaway Inc. Class B BRKB-7,250 shares · -3%

and 12 more in the table below

Sold out of 2

  1. Old Dominion Freight Line, Inc. ODFL$25.8 million last quarter
  2. CDW Corp. CDW$4.4 million last quarter

What it holds

CompanySharesValueOf its bookChange in shares
Berkshire Hathaway Inc. Class B BRKB271,600$135.9 million9.41%-7,250
Alphabet Inc. GOOG268,100$94.7 million6.56%-58,650
Danaher Corp. DHR489,500$93.2 million6.46%+11,750
Visa Inc. V265,330$91.0 million6.30%no change
Mastercard Inc. MA145,350$74.7 million5.17%-1,650
Aon plc AON213,860$70.9 million4.91%no change
Vulcan Materials Co. VMC203,800$60.1 million4.16%-10,400
Meta Platforms, Inc. META102,960$58.0 million4.02%-2,750
Thermo Fisher Scientific Inc. TMO115,200$57.8 million4.00%-5,800
Idex Corp. IEX252,400$57.3 million3.97%-11,900
Microsoft Corp. MSFT153,200$57.1 million3.96%-16,250
Heico Corp. New HEIA204,479$52.7 million3.65%+15,500
Amazon.com Inc. AMZN217,500$51.8 million3.59%-5,000
Bio-Techne Corp. TECH543,200$38.4 million2.66%-110,000
Siriusxm Holdings Inc. SIRI1,188,000$35.1 million2.43%-105,000
Analog Devices Inc. ADI85,225$33.8 million2.34%-21,125
Equifax Inc. EFX191,980$30.5 million2.11%+4,375
Labcorp Holdings Inc. LH99,050$27.7 million1.92%no change
Martin Marietta Materials Inc. MLM47,370$27.3 million1.89%+7,595
Global Payments Inc. GPN350,000$25.4 million1.76%+15,000
Texas Instruments Inc. TXN77,900$23.2 million1.61%-82,200
Liberty Broadband Corp. LBRDK576,000$19.2 million1.33%no change
IDEXX Laboratories Inc. IDXX35,300$18.6 million1.29%no change
ACI Worldwide, Inc. ACIW367,700$18.5 million1.28%no change
Perimeter Solutions Inc PRM450,817$16.1 million1.11%-58,583
MercadoLibre, Inc. MELI9,200$15.6 million1.08%+1,200
Accenture plc ACN119,700$14.9 million1.03%-51,000
Ingersoll Rand Inc. IR161,670$13.3 million0.92%+28,470
Costar Group, Inc. CSGP423,181$12.0 million0.83%-93,844
Euronet Worldwide, Inc. EEFT160,000$11.7 million0.81%no change
ASML Holding N.V. ASML5,500$10.9 million0.76%no change
LKQ Corp. LKQ408,000$10.7 million0.74%no change
Netflix Inc. NFLX147,200$10.5 million0.73%new
Taiwan Semiconductor Manufacturing Company Limited TSM20,000$9.6 million0.66%no change
Oracle Corp. ORCL55,000$8.1 million0.56%no change
Capital One Financial Corp. COF40,000$8.0 million0.56%new
Salesforce, Inc. CRM49,300$7.7 million0.53%-32,200
NVIDIA Corp. NVDA35,000$7.0 million0.48%no change
Veralto Corp. VLTO77,500$6.9 million0.48%+37,500
Repligen Corp. RGEN40,800$5.6 million0.39%+15,300
Liberty Broadband Corp. LBRDA123,750$4.1 million0.29%-6,250
Linde plc LIN7,100$3.7 million0.26%-100
Mettler Toledo International Inc. MTD2,550$3.3 million0.23%new
Pool Corp. POOL15,000$3.2 million0.22%no change
S&P Global Inc. SPGI7,150$2.9 million0.20%+100
Amphenol Corp. APH9,200$1.6 million0.11%no change
Fortive Corp. FTV21,750$1.3 million0.09%-750
Ferguson Enterprises Inc. FERG5,200$1.2 million0.09%no change
Comcast Corp. CMCSA47,000$1.2 million0.08%no change
Charter Communications, Inc. CHTR650$92,4370.01%no change
Every US-listed position in the fund's 13F for the quarter ended 30 June 2026, by the value it reported.
Read moreChange is shares against its 13F for the quarter before; the 2 it sold out of are in the box above.