Institutional Manager · CIK 0001912699
Graham Holdings Co Master Retirement Trust
ARLINGTON, VA · File #028-22321
Latest AUM
$750,426
Positions
2
Top-10 Concentration
100.0%
Filings
12
Sector Allocation
Filing History
View all filings →- 13F HOLDINGS REPORTQ/E Dec 20252 pos · $750,426
- 13F HOLDINGS REPORTQ/E Sep 20252 pos · $736,106
- 13F HOLDINGS REPORTQ/E Jun 20252 pos · $720,038
- 13F HOLDINGS REPORTQ/E Mar 20252 pos · $770,360
- 13F HOLDINGS REPORTQ/E Dec 20242 pos · $664,618
- 13F HOLDINGS REPORTQ/E Sep 20242 pos · $663,978
- 13F HOLDINGS REPORTQ/E Jun 20242 pos · $598,949
- 13F HOLDINGS REPORTQ/E Mar 20242 pos · $614,209
- 13F HOLDINGS REPORTQ/E Dec 20232 pos · $526,010
- 13F HOLDINGS REPORTQ/E Sep 20232 pos · $509,500
- 13F HOLDINGS REPORTQ/E Jun 20231 pos · $385,982
- 13F HOLDINGS REPORTQ/E Mar 20231 pos · $388,561
Top 2 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 829 | $625,729 | 83.38% |
| 2 | MARKEL GROUP INC | MKL | 58,008 | $124,697 | 16.62% |