Filed: 11/14/2025ACC: 0001628280-25-052369
📋 What this filing means
GRAHAM HOLDINGS CO filed this quarterly 13F‑HR report disclosing 6 equity positions with a total reported market value of $998.8K. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
6
Positions
$998.8K
Total AUM (reported)
4.69M
Total Shares
Allocation by class
CL A$318.3K31.9%
CAP STK CL C$276.5K27.7%
CL B NEW$242.3K24.3%
COM$138.2K13.8%
COM CL A$23.4K2.3%
Portfolio Concentration
Top 3$837.1K83.8%
4–10$161.7K16.2%
Top 3 weight
83.8%
Top 10 weight
100.0%
Voting Authority Distribution
Total shares with voting rights: 4.69M
Sole
Full voting authority
4.69M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole6
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings6
Rows:
BERKSHIRE HATHAWAY INC DEL
SOLEShares422.00
TypeSH
Market value$318.3K
31.87%
Sole
422.00
Shared
0.00
None
0.00
ALPHABET INC
SOLEShares1.14M
TypeSH
Market value$276.5K
27.69%
Sole
1.14M
Shared
0.00
None
0.00
BERKSHIRE HATHAWAY INC DEL
SOLEShares481.92K
TypeSH
Market value$242.3K
24.26%
Sole
481.92K
Shared
0.00
None
0.00
MARKEL GROUP INC
SOLEShares55.43K
TypeSH
Market value$105.9K
10.61%
Sole
55.43K
Shared
0.00
None
0.00
CABLE ONE INC
SOLEShares182.44K
TypeSH
Market value$32.3K
3.23%
Sole
182.44K
Shared
0.00
None
0.00
PUBMATIC INC
SOLEShares2.83M
TypeSH
Market value$23.4K
2.35%
Sole
2.83M
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
BERKSHIRE HATHAWAY INC DELSOLE | CL A | 422.00 | SH | $318.3K 31.87% | 422.00 | 0.00 | 0.00 |
ALPHABET INCSOLE | CAP STK CL C | 1.14M | SH | $276.5K 27.69% | 1.14M | 0.00 | 0.00 |
BERKSHIRE HATHAWAY INC DELSOLE | CL B NEW | 481.92K | SH | $242.3K 24.26% | 481.92K | 0.00 | 0.00 |
MARKEL GROUP INCSOLE | COM | 55.43K | SH | $105.9K 10.61% | 55.43K | 0.00 | 0.00 |
CABLE ONE INCSOLE | COM | 182.44K | SH | $32.3K 3.23% | 182.44K | 0.00 | 0.00 |
PUBMATIC INCSOLE | COM CL A | 2.83M | SH | $23.4K 2.35% | 2.83M | 0.00 | 0.00 |