Institutional Manager · CIK 0000883965
WEITZ INVESTMENT MANAGEMENT, INC.
Omaha, NE · File #028-03062
Latest AUM
$1.69B
Positions
44
Top-10 Concentration
54.7%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| EXITED | CARMAX INC | 143130102 | -649,400 | -$29.1M | $0 |
| REDUCE | ALPHABET INC | GOOG | -92,700 | -$29.1M | +$31.0M |
| REDUCE | CHARTER COMMUNICATIONS INC | 16119P108 | -101,955 | -$21.3M | -$6.8M |
| REDUCE | GARTNER INC | IT | -82,950 | -$20.9M | -$1.1M |
| REDUCE | IDEXX LABS INC | 45168D104 | -21,500 | -$14.5M | +$2.1M |
| EXITED | CORECARD CORPORATION | 45816D100 | -515,000 | -$13.9M | $0 |
| NEW | EURONET WORLDWIDE INC | EEFT | +160,000 | +$12.2M | $0 |
| REDUCE | COMCAST CORP NEW | CCZ | -366,500 | -$11.0M | -$690,795 |
| REDUCE | LABCORP HOLDINGS INC | LH | -40,000 | -$10.0M | -$5.1M |
| REDUCE | THERMO FISHER SCIENTIFIC INC | TMO | -15,500 | -$9.0M | +$14.2M |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202544 pos · $1.69B
- 13F HOLDINGS REPORTQ/E Sep 202548 pos · $1.84B
- 13F HOLDINGS REPORTQ/E Jun 202545 pos · $1.86B
- 13F HOLDINGS REPORTQ/E Mar 202545 pos · $1.88B
- 13F HOLDINGS REPORTQ/E Dec 202447 pos · $1.94B
- 13F HOLDINGS REPORTQ/E Sep 202450 pos · $2.03B
- 13F HOLDINGS REPORTQ/E Jun 202453 pos · $1.91B
- 13F HOLDINGS REPORTQ/E Mar 202454 pos · $1.98B
- 13F HOLDINGS REPORTQ/E Dec 202353 pos · $1.82B
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 286,850 | $144.2M | 8.55% |
| 2 | DANAHER CORPORATION | 235851102 | 513,950 | $117.7M | 6.98% |
| 3 | ALPHABET INC | GOOG | 347,900 | $109.2M | 6.47% |
| 4 | VISA INC | V | 270,580 | $94.9M | 5.63% |
| 5 | MASTERCARD INCORPORATED | MA | 155,900 | $89.0M | 5.28% |
| 6 | THERMO FISHER SCIENTIFIC INC | TMO | 134,950 | $78.2M | 4.64% |
| 7 | AON PLC | AON | 218,735 | $77.2M | 4.58% |
| 8 | META PLATFORMS INC | META | 108,710 | $71.8M | 4.25% |
| 9 | MICROSOFT CORP | MSFT | 145,975 | $70.6M | 4.19% |
| 10 | IDEX CORP | 45167R104 | 391,475 | $69.7M | 4.13% |
| 11 | VULCAN MATLS CO | 929160109 | 210,200 | $60.0M | 3.55% |
| 12 | AMAZON COM INC | AMZN | 222,500 | $51.4M | 3.05% |
| 13 | COSTAR GROUP INC | CSGP | 719,850 | $48.4M | 2.87% |
| 14 | BIO-TECHNE CORP | TECH | 802,950 | $47.2M | 2.80% |
| 15 | EQUIFAX INC | EFX | 214,880 | $46.6M | 2.76% |
| 16 | ACCENTURE PLC IRELAND | ACN | 160,900 | $43.2M | 2.56% |
| 17 | HEICO CORP NEW | HEI-A | 162,779 | $41.1M | 2.44% |
| 18 | GLOBAL PMTS INC | 37940X102 | 505,000 | $39.1M | 2.32% |
| 19 | ANALOG DEVICES INC | ADI | 132,800 | $36.0M | 2.14% |
| 20 | OLD DOMINION FREIGHT LINE IN | ODFL | 208,800 | $32.7M | 1.94% |