RSMC — Tidal Trust III Institutional Holders · Q3 2026
Who owns Tidal Trust III (RSMC)? 1 institutions reported holding $498,611 in SEC 13F filings for Q3 2026 (period ended 2026-09-30). Largest holders: Harpswell Capital Advisors, LLC ($498,611).
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Harpswell Capital Advisors, LLC | $498,611 | 18,234 | New |
Source: SEC Form 13F filings · as of 2026-09-30