Question 1

What is Graham Holdings Co Master Retirement Trust's portfolio value?

Accepted Answer

As of Q4 2025, Graham Holdings Co Master Retirement Trust manages $124.6M across 2 reported positions in their SEC 13F filing.

Question 2

What are Graham Holdings Co Master Retirement Trust's top holdings?

Accepted Answer

Graham Holdings Co Master Retirement Trust's largest 13F positions include MKL, BRK-B, representing approximately 100.0% of the reported portfolio.

Question 3

How many stocks does Graham Holdings Co Master Retirement Trust hold?

Accepted Answer

Graham Holdings Co Master Retirement Trust holds 2 reported positions as of their Q4 2025 13F filing.

Question 4

When did Graham Holdings Co Master Retirement Trust last file a 13F?

Accepted Answer

The most recent 13F filing from Graham Holdings Co Master Retirement Trust reports positions as of Q4 2025. 13F filings are required within 45 days of each calendar quarter end.

Rank	Stock	Shares	Value	% of Portfolio
1	MKL MARKEL GROUP INC	58,008	$124.0M	99.50%
2	BRK-B BERKSHIRE HATHAWAY INC DEL	829	$625K	0.50%

Sector	# Holdings	Value	%
Financial Services	1	$124.0M	99.5%
Unknown	1	$625K	0.5%

Graham Holdings Co Master Retirement Trust

Top 10 Holdings

Sector Breakdown