2 institutions reported holding $79,088 of MAASE INC. (MAAS) in SEC 13F filings for 2026-03-31. Largest institutional holders: CITADEL ADVISORS LLC ($76,510), UBS Group AG ($2,578). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $76,510 | 13,146 | New |
| 2 | UBS Group AG | $2,578 | 443 | Added |
Source: SEC Form 13F filings · as of 2026-03-31