BlackRock California Municipal Opportunities Fund is a registered fund series of BlackRock California Municipal Series Trust (series S000004030). Net assets $2.4B as of 2026-05-31.
Showing 15 of 200 holdings by value.
| Holding | Ticker | Value | % of fund |
|---|---|---|---|
| United States Treasury | — | $114.8M | 469.66% |
| California Community Choice Financing Authority | — | $64.8M | 265.23% |
| California Community Choice Financing Authority | — | $53.8M | 220.20% |
| California Housing Finance Agency | — | $50.0M | 204.47% |
| iShares California Muni Bond ETF | — | $49.3M | 201.73% |
| California Community Choice Financing Authority | — | $48.4M | 197.82% |
| California State Public Works Board | — | $44.5M | 181.87% |
| County of Sacramento CA Airport System Revenue | — | $38.0M | 155.51% |
| California State University | — | $34.8M | 142.33% |
| City of San Francisco CA Public Utilities Commission Water Revenue | — | $32.7M | 133.58% |
| Regents of the University of California Medical Center Pooled Revenue | — | $29.6M | 121.16% |
| California Community Choice Financing Authority | — | $29.3M | 119.87% |
| City of Los Angeles Department of Airports | — | $28.2M | 115.34% |
| California Infrastructure & Economic Development Bank | — | $28.0M | 114.57% |
| San Francisco City & County Public Utilities Commission Wastewater Revenue | — | $27.8M | 113.51% |
| Report date | Net assets |
|---|---|
| 2026-05-31 | $2.4B |
| 2026-02-28 | $2.5B |
| 2025-11-30 | $2.4B |
| 2025-08-31 | $2.3B |
| 2025-05-31 | $2.3B |
| 2025-02-28 | $2.4B |
| 2024-11-30 | $2.4B |
| 2024-08-31 | $2.4B |