CHECK CAPITAL MANAGEMENT INC/CA
CIK 0001032814 · COSTA MESA, CA · Quarter end: 2026-06-30 · Filed on: 2026-08-05 · Open the SEC source ↗
Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$3.78B
2026 Q2
Positions
53
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
93.8%
Est. Net Flow (Q)
—
2026 Q2
Top Holdings
BRK-BCALL
Berkshire Hathaway
53.2%
BRK-B
Berkshire Hathaway
14.8%
38259P706
Alphabet
6.2%
BN
Brookfield Corp.
5.0%
MKL
Markel
4.1%
AER
AerCap Holdings
3.1%
FCNCA
First Citizens
2.4%
SIRI
Sirius XM
2.3%
New / Increased
No prior quarter data
Reduced / Exited
No prior quarter data
Read the 2026-Q2 quarterly report · 13F Filing Calendar
13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.