2 institutions reported holding $549,677 of BLACKROCK CALIFORNIA MUNI OPPS INSTL (MACMX) in SEC 13F filings for 2026-06-30. Largest institutional holders: LIBERTY WEALTH MANAGEMENT LLC ($342,714), Westside Investment Management, Inc. ($206,963). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | LIBERTY WEALTH MANAGEMENT LLC | $342,714 | 29,093 | Hold |
| 2 | Westside Investment Management, Inc. | $206,963 | 17,175 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30