Summit Materials Inc. Class ASUM
13F holders, Q2 2025 (June 30)2holders −5
0new positions
5sold out
$36.78avg. 13F price*
At the end of Q2 2025, 2 institutions reported holding Summit Materials Inc. Class A (SUM) in their 13F filings, down 5 from Q1 2025. 0 opened new positions and 5 sold out. The largest holders were WFA Asset Management Corp ($7K) and Huntington National Bank ($105).
- Company
- Summit Materials Inc. Class A
- CUSIP
- 86614U100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 0 | $0 |
| Exits | 5 | $296K |
All 13F filers, Q1 2025 → Q2 2025: 6,941 shares sold, net −6,941 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 2 holders
| WFA Asset Management Corp | 0.00% | No change | 188 | $7K |
| Huntington National Bank | 0.00% | No change | 2 | $105 |
"% of holder's portfolio" is SUM's weight in each manager's 13F, not the share of Summit Materials Inc. Class A the manager owns.