3 institutions reported holding $1.5M of UBS AG LONDON BRANCH (MLPR) in SEC 13F filings for 2026-03-31. Largest institutional holders: JANE STREET GROUP, LLC ($942,543), IMC-Chicago, LLC ($524,521), UBS Group AG ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | JANE STREET GROUP, LLC | $942,543 | 13,346 | Added |
| 2 | IMC-Chicago, LLC | $524,521 | 7,427 | New |
| 3 | UBS Group AG | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31