3 institutions reported holding $3.2M of BLACKROCK CALIFORNIA MUNICIPAL OPPORTUNITIES FUND INSTITUTIONAL CLASS (MACMX) in SEC 13F filings for 2026-03-31. Largest institutional holders: McIlrath & Eck, LLC ($2.6M), LIBERTY WEALTH MANAGEMENT LLC ($342,714), Westside Investment Management, Inc. ($202,841). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | McIlrath & Eck, LLC | $2.6M | 222,414 | New |
| 2 | LIBERTY WEALTH MANAGEMENT LLC | $342,714 | 29,093 | New |
| 3 | Westside Investment Management, Inc. | $202,841 | 17,175 | Hold |
Source: SEC Form 13F filings · as of 2026-03-31