Summit Materials Inc. Class ASUM
13F holders, Q1 2025 (March 31)7holders −389
1new positions
386sold out
$42.68avg. 13F price*
At the end of Q1 2025, 7 institutions reported holding Summit Materials Inc. Class A (SUM) in their 13F filings, down 389 from Q4 2024. 1 opened new positions and 386 sold out. The largest holders were Strengthening Families & Communities, LLC ($118K), Principal Securities, Inc. ($97K) and DekaBank Deutsche Girozentrale ($78K).
- Company
- Summit Materials Inc. Class A
- CUSIP
- 86614U100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $0 |
| Exits | 386 | $6.0B |
All 13F filers, Q4 2024 → Q1 2025: 5 shares bought and 118,628,007 shares sold, net −118,628,002 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 7 holders
| Strengthening Families & Communities, LLC | 0.07% | Reduce -91.9% | 3,223 | $118K |
| Principal Securities, Inc. | 0.00% | No change | 1,922 | $97K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 1,753 | $78K |
| WFA Asset Management Corp | 0.00% | No change | 188 | $8K |
| IFP Advisors, Inc | 0.00% | No change | 38 | $3K |
| Huntington National Bank | 0.00% | Reduce -99.3% | 2 | $105 |
| Avion Wealth | 0.00% | New | 5 | $0 |
"% 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.