SUM — Summit Materials Inc Institutional Holders · Q2 2026
Who owns Summit Materials Inc (SUM)? 1 institutions reported holding $105 in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Huntington National Bank ($105).
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | HUNTINGTON NATIONAL BANK | $105 | 2 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30