Graham Holdings Co
In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 14, 2025), Graham Holdings Co reported 6 stock positions worth $998.8 million. Its top holding was Berkshire Hathaway Class A (BRK.A) at 31.9% of the portfolio, followed by Alphabet Class C (GOOG, 27.7%) and Berkshire Hathaway Class B (BRK.B, 24.3%). Compared with Q2 2025, it opened 1 new position and reduced 1. The biggest buy was a new position in Cable One (CABO) and the biggest sale Berkshire Hathaway Class B (BRK.B, shares −0%).
- Most Recent 13F
- Q2 2026
- Location
- ARLINGTON, VA
- CIK
- 0000104889
- Portfolio Value
- $998.8M (Q3 2025)
- SEC Filing
- 0001628280-25-052369 ↗ filed Nov 14, 2025
Holdings Value
Holdings 6 stocks · $998.8M
| BRK.A Berkshire Hathaway Inc. Class A | 31.87% | 422 | $318.3M | No change |
| GOOG Alphabet Inc. Class C | 27.69% | 1,135,490 | $276.5M | No change |
| BRK.B Berkshire Hathaway Inc. Class B | 24.26% | 481,920 | $242.3M | Reduce -0.2% |
| MKL Markel Group Inc. | 10.61% | 55,430 | $105.9M | No change |
| CABO Cable One Inc. | 3.23% | 182,439 | $32.3M | New |
| PUBM Pubmatic Inc. Class A | 2.35% | 2,831,462 | $23.4M | No change |
Portfolio Sells Q2 2025 → Q3 2025
| BRK.B Berkshire Hathaway Inc. Class B | Reduce -0.2% | 24.26% | −2.12 |
Portfolio Buys Q2 2025 → Q3 2025
| CABO Cable One Inc. | New | 3.23% | +3.23 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 6 | $1.1B | GOOG, BRK.A, BRK.B, MKL, PUBM |
| Q1 2026 | 6 | $966.7M | BRK.A, GOOG, BRK.B, MKL, PUBM |
| Q4 2025 | 6 | $1.1B | GOOG, BRK.A, BRK.B, MKL, PUBM |
| Q3 2025 | 6 | $998.8M | BRK.A, GOOG, BRK.B, MKL, CABO |
| Q2 2025 | 5 | $889.5M | BRK.A, BRK.B, GOOG, MKL, PUBM |
| Q1 2025 | 5 | $901.1M | BRK.A, BRK.B, GOOG, MKL, PUBM |
| Q4 2024 | 5 | $852.4M | BRK.A, BRK.B, GOOG, MKL, PUBM |
| Q3 2024 | 5 | $825.4M | BRK.A, BRK.B, GOOG, MKL, PUBM |
| Q2 2024 | 5 | $813.4M | BRK.A, GOOG, BRK.B, MKL, PUBM |
| Q1 2024 | 5 | $794.3M | BRK.A, BRK.B, GOOG, MKL, PUBM |