What smart money is saying about Summit Materials, Inc.
SUM
No fund has written a full thesis on Summit Materials, Inc. in our archive, but 2 fund letters report a position in it — most recently AMG River Road Small Mid Cap Value Fund in June 2025.
Get an email when a fund writes about it
2
Reported positions
0
Bought
2
Sold
2
Letters
Position history
Every position in Summit Materials, Inc. on record in the archive was reported in Q2 2025, across 2 fund letters — 2 trimmed or exited.
| Quarter | Letters | Bought | Sold | Theses |
|---|---|---|---|---|
| Q2 2025 | 2 | 0 | 2 | 0 |
Fund activity · 2 positions · 2 moves
- June 2025
Listed in AMG River Road Small Mid Cap Value Fund’s reported holdings.
Summit Materials, Inc. - June 2025
Listed in AMG River Road Mid Cap Value Fund’s reported holdings.
Summit Materials, Inc.
Read the letters behind these Summit Materials, Inc. positions
Every quote above comes from a fund letter in our archive. Get unlimited access to the letters themselves — and to Warren AI, which reads all of them for you.
View plans→Share this ledger