1 institutions reported holding $23 of GUINNESS ATKINSON FDS (IASMX) in SEC 13F filings for 2026-03-31. Largest institutional holders: UBS Group AG ($23). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | UBS Group AG | $23 | 1 | New |
Source: SEC Form 13F filings · as of 2026-03-31