Graham Holdings Co Master Retirement Trust
In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 15, 2026), Graham Holdings Co Master Retirement Trust reported 2 stock positions worth $706.4 million. Its top holding was Berkshire Hathaway Class A (BRK.A) at 84.3% of the portfolio, followed by Markel (MKL, 15.7%). Its holdings were unchanged from Q4 2025.
- Most Recent 13F
- Q2 2026
- Location
- ARLINGTON, VA
- CIK
- 0001912699
- Portfolio Value
- $706.4M (Q1 2026)
- SEC Filing
- 0001628280-26-035588 ↗ filed May 15, 2026
Holdings Value
Holdings 2 stocks · $706.4M
Portfolio Sells Q4 2025 → Q1 2026
| None this quarter. | |||
Portfolio Buys Q4 2025 → Q1 2026
| None this quarter. | |||
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 2 | $734.1M | BRK.A, MKL |
| Q1 2026 | 2 | $706.4M | BRK.A, MKL |
| Q4 2025 | 2 | $750.4M | BRK.A, MKL |
| Q3 2025 | 2 | $736.1M | BRK.A, MKL |
| Q2 2025 | 2 | $720.0M | BRK.A, MKL |
| Q1 2025 | 2 | $770.4M | BRK.A, MKL |
| Q4 2024 | 2 | $664.6M | BRK.A, MKL |
| Q3 2024 | 2 | $664.0M | BRK.A, MKL |
| Q2 2024 | 2 | $598.9M | BRK.A, MKL |
| Q1 2024 | 2 | $614.2M | BRK.A, MKL |