BlackRock California Municipal Series Trust

BlackRock California Municipal Series Trust (CIK 765199) is an SEC-registered fund company with 1 reporting fund series and $2.4B in net assets as of 2026-05-31.

Registrant

Fund series (1)

SeriesNet assets
BlackRock California Municipal Opportunities Fund$2.4B

Largest reported holdings (across all series)

HoldingValue
United States Treasury$114.8M
California Community Choice Financing Authority$64.8M
California Community Choice Financing Authority$53.8M
California Housing Finance Agency$50.0M
iShares California Muni Bond ETF$49.3M
California Community Choice Financing Authority$48.4M
California State Public Works Board$44.5M
County of Sacramento CA Airport System Revenue$38.0M
California State University$34.8M
City of San Francisco CA Public Utilities Commission Water Revenue$32.7M
Regents of the University of California Medical Center Pooled Revenue$29.6M
California Community Choice Financing Authority$29.3M
City of Los Angeles Department of Airports$28.2M
California Infrastructure & Economic Development Bank$28.0M
San Francisco City & County Public Utilities Commission Wastewater Revenue$27.8M

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