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Weitz Investment Management 13F Holdings and Portfolio Changes
Weitz Investment Management reported $1.44B in 13F securities for Q2 2026, with 50 positions. Values are as of the report date; option positions, when present, use underlying-security values. This is not complete fund assets or investment performance.
Open interactive portfolioLatest 13F portfolio changes
New or increased positions include DANAHER ORD (DHR), HEICO CL A ORD (HEI-A), EQUIFAX ORD (EFX), and MARTIN MARIETTA MATERIALS ORD (MLM). Reduced or exited positions include Berkshire Hathaway (BRK-B), Alphabet (GOOG), MASTERCARD CL A ORD (MA), and VULCAN MATERIALS ORD (VMC). These are comparisons between reported positions, not a record of execution dates, prices or cash traded.
Latest filing metadata: quarter Q2 2026; report date 2026-06-30; filing date 2026-08-12; disclosure source SEC 13F.
Reported holdings and concentration
Weitz Investment Management's Q2 2026 13F report contains 50 positions valued at $1.44B. The largest reported holdings include Berkshire Hathaway, Alphabet, DANAHER ORD, VISA CL A ORD, and MASTERCARD CL A ORD.
The three largest positions in the holdings table account for approximately 22.4% of reported 13F value. The largest reported sector exposure is Financials at 26.6% of the disclosed portfolio.
The filing metadata lists report date 2026-06-30, filing date 2026-08-12, SEC accession 0001821268-26-000133. SEC 13F reports are normally published up to 45 days after quarter end, so the data is best used to understand institutional positioning after the fact rather than to infer today's exact portfolio.
Weitz Investment Management portfolio analytics
the top five positions account for 33.9% of disclosed value; the largest sector exposure is Financials at 26.6%.
Top reported holdings
| Holding | Reported value | Weight | Quarter change |
|---|---|---|---|
| BRK-B whale holders BERKSHIRE HATHAWAY CL B ORD | $135.9M | 9.4% | Reduced |
| GOOG whale holders ALPHABET CL C ORD | $94.7M | 6.6% | Reduced |
| DHR whale holders DANAHER ORD | $93.2M | 6.5% | Increased |
| V whale holders VISA CL A ORD | $91.0M | 6.3% | Held |
| MA whale holders MASTERCARD CL A ORD | $74.7M | 5.2% | Reduced |
| AON whale holders AON CL A ORD | $70.9M | 4.9% | Held |
| VMC whale holders VULCAN MATERIALS ORD | $60.1M | 4.2% | Reduced |
| META whale holders META PLATFORMS CL A ORD | $58.0M | 4.0% | Reduced |
| TMO whale holders THERMO FISHER SCIENTIFIC ORD | $57.8M | 4.0% | Reduced |
| IEX whale holders IDEX ORD | $57.3M | 4.0% | Reduced |
New and increased positions
Largest reported position values among additions; not amounts spent buying.
- DHR whale holders — DANAHER ORD ($93.2M)
- HEI-A whale holders — HEICO CL A ORD ($52.7M)
- EFX whale holders — EQUIFAX ORD ($30.5M)
- MLM whale holders — MARTIN MARIETTA MATERIALS ORD ($27.3M)
- GPN whale holders — GLOBAL PAYMENTS ORD ($25.4M)
- MELI whale holders — MERCADOLIBRE ORD ($15.6M)
Reduced and exited positions
Sorted by reported position value; exits use the prior report. These are not sale proceeds.
- BRK-B whale holders — BERKSHIRE HATHAWAY CL B ORD ($135.9M)
- GOOG whale holders — ALPHABET CL C ORD ($94.7M)
- MA whale holders — MASTERCARD CL A ORD ($74.7M)
- VMC whale holders — VULCAN MATERIALS ORD ($60.1M)
- META whale holders — META PLATFORMS CL A ORD ($58.0M)
- TMO whale holders — THERMO FISHER SCIENTIFIC ORD ($57.8M)
Allocation
- Financials: 26.6%
- Other: 16.6%
- Communication Services: 13.0%
- Information Technology: 12.0%
- Health Care: 12.0%
- Industrials: 7.8%
- Materials: 6.3%
- Consumer Discretionary: 4.9%
Data notes
Report date: 2026-06-30
Disclosure source: SEC 13F
Read the original SEC filing (0001821268-26-000133)
SEC 13F filings are delayed public disclosures and do not include every asset class, short positions, or real-time trades.
Related investor portfolios
Profiles with the same disclosure type, ordered by overlap among their top 20 reported holdings.
- Egerton Capital 13F holdings and portfolio changes — Egerton Capital
- AKO Capital 13F holdings and portfolio changes — AKO Capital
- Markel Group 13F holdings and portfolio changes — Markel Group
- Vulcan Value Partners 13F holdings and portfolio changes — Vulcan Value Partners
- Triple Frond Partners 13F holdings and portfolio changes — Triple Frond Partners
- Pershing Square Capital 13F holdings and portfolio changes — Pershing Square Capital
- Gardner Russo & Quinn 13F holdings and portfolio changes — Gardner Russo & Quinn
- First Pacific Advisors 13F holdings and portfolio changes — First Pacific Advisors
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Questions about this 13F filing
What does Weitz Investment Management report for Q2 2026?
The filing reports 50 positions and $1.44B in 13F securities. The holdings table shows reported values and weights; option values follow the filing's reporting conventions.
What changed between filings?
New or increased positions include DANAHER ORD (DHR), HEICO CL A ORD (HEI-A), EQUIFAX ORD (EFX), and MARTIN MARIETTA MATERIALS ORD (MLM). Reduced or exited positions include Berkshire Hathaway (BRK-B), Alphabet (GOOG), MASTERCARD CL A ORD (MA), and VULCAN MATERIALS ORD (VMC).
Do these amounts show how much was bought or sold?
No. The change lists are ranked by reported position value. Exited positions use their value in the prior report. These amounts are not execution prices, cash invested or sale proceeds.
Is this the current portfolio?
No. Form 13F is a quarter-end snapshot, generally filed within 45 days of quarter end. It excludes short positions and does not cover every asset. Compare the report date and filing date before using the data.