GSTRF — Glenstar Minerals Inc Institutional Holders · Q2 2026
Who owns Glenstar Minerals Inc (GSTRF)? 1 institutions reported holding $532 in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Winch Advisory Services, LLC ($532).
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Winch Advisory Services, LLC | $532 | 4,000 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30