Broad Run Investment Management disclosed 24 US equity positions worth $538.5m in its Q4 2025 13F filing. Its largest position is ASTS at 21.2% of the reported book, followed by BN and MKL. Versus Q3 2025 it opened 1 new position, added to 3, reduced 8 and exited 1.
$538m
Reported equity book
Sum of the long US equity positions in the filing, at the values filed. Options are excluded.
24
Positions
Distinct securities in the equity book with a reported value above zero. Options are excluded.
21.2%
Largest position
The largest single position as a share of the reported equity book.
76.2%
Top 10 weight
The ten largest positions together, as a share of the reported equity book.
11
Effective positions
1 / HHI of portfolio weights: the number of equal-weight positions the book behaves like.
55
Quarters on file since Q4 2012
Quarters for which this manager's 13F holdings are on record.