MACMX Mutual Fund

NAV$11.80

AUM$1.8B

TER0.47%

Holdings248

See how much of MACMX you already own

Just $25 once·$69/mo·Download sample

X-ray my portfolio free

MACMX Mutual Fund

NAV$11.80

BlackRock California Municipal Opportunities Fund Institutional Class

AUM$1.8B

TER0.47%

Holdings248

See how much of MACMX you already own

Just $25 once·$69/mo·Download sample

X-ray my portfolio free

Overview Performance Chart Dividends Top Holdings All Holdings Sectors Geography Similar Compare Overlap

Showing top 50 of 224 holdings · as of Feb 28, 2026

MACMX holdings, by weight
#	Ticker	Name	Weight	Cumulative	Shares	Mkt value	Sector	Industry
1	Debt	Treasury Bill Jun 04, 2026	8.13%	8.1%	-	$199.84M	-	-
2	—	California Cmnty Choice Fing A Ccedev 10/56 Adjustable Var	2.73%	10.9%	-	$67.20M	-	-
3	—	California Community Choice Fi Ccedev 02/54 Adjustable Var 5 02-01-2054Financials · Diversified Financial Services	2.24%	13.1%	-	$55.16M	Financials	Diversified Financial Services
4	MCSXX	Blackrock Liquidity Funds Municash Portfolio, Institutional SharesFinancials · Capital Markets	2.21%	15.3%	54,243,642	$54.25M	Financials	Capital Markets
5	—	California Cmnty Choice Fing A 5% Nov 01, 2035Financials · Diversified Financial Services	2.03%	17.3%	-	$49.98M	Financials	Diversified Financial Services
6	Debt	County Of Sacramento Ca Airport System RevenueIndustrials · Transportation Infrastructure	1.56%	18.9%	-	$38.36M	Industrials	Transportation Infrastructure
7	—	San Francisco Calif City &cnty Arpts Commn International Arpt Rev	1.50%	20.4%	-	$36.86M	-	-
8	Debt	San Fran ArptIndustrials · Transportation Infrastructure	1.46%	21.9%	-	$35.95M	Industrials	Transportation Infrastructure
9	—	Golden St Tobacco Securitizati Gldgen 06/38 Fixed 3.115	1.35%	23.2%	-	$33.10M	-	-
10	—	Regents Of The University Of California Medical Center 05/15/2047Health Care · Healthcare Services	1.22%	24.4%	-	$29.90M	Health Care	Healthcare Services
11	Debt	San Francisco City & County Public Utilities Commission Wastewater Revenue	1.13%	25.6%	-	$27.74M	-	-
12	—	California Cmnty Choice Fing A Ccedev 12/35 Fixed 5	1.12%	26.7%	-	$27.59M	-	-
13	—	California Infrastructure & Ec 12% Nov 02, 2026	1.10%	27.8%	-	$27.01M	-	-
14	Debt	California Community Choice Financing AuthorityFinancials · Diversified Financial Services	1.07%	28.9%	-	$26.37M	Financials	Diversified Financial Services
15	Debt	San Diego Unified School District/Ca	1.07%	29.9%	-	$26.22M	-	-
16	Debt	San Diego Public Facilities Financing Authority	1.04%	31.0%	-	$25.68M	-	-
17	Debt	San Mateo Cnty Ca Cmnty Clg DistFinancials · Banks	1.02%	32.0%	-	$24.94M	Financials	Banks
18	Debt	Mt San Antonio Community College District	1.02%	33.0%	-	$25.00M	-	-
19	Debt	Los Angeles Ca	1.00%	34.0%	-	$24.67M	-	-
20	—	Coast Cmnty College Dist Calif 0% Aug 01, 2030Financials · Thrifts	0.97%	35.0%	-	$23.86M	Financials	Thrifts
21	—	Univ Of California Ca Revenues Unvhgr 11/41 Fixed 5.25	0.97%	35.9%	-	$23.74M	-	-
22	—	Regents Of The University Of Calif 5% Nov 15, 2041 5 2041-11-15	0.95%	36.9%	-	$23.25M	-	-
23	Debt	California Cmnty Choice Fing A Ccedev 02/55 Adjustable VarFinancials · Diversified Financial Services	0.91%	37.8%	-	$22.25M	Financials	Diversified Financial Services
24	—	Fremont Calif Un High Sch Dist 4% Aug 01, 2048Consumer Disc. · Diversified Consumer Services	0.91%	38.7%	-	$22.45M	Consumer Disc.	Diversified Consumer Services
25	—	San Jose Ca Unif Sch Dist Santa Clara Cnty 0 2031-06-01Consumer Disc. · Diversified Consumer Services	0.90%	39.6%	-	$22.15M	Consumer Disc.	Diversified Consumer Services
26	Debt	State Of California Department Of Water Resources	0.90%	40.5%	-	$22.04M	-	-
27	—	Puerto Rico CmwlthFinancials · Diversified Financial Services	0.87%	41.4%	-	$21.29M	Financials	Diversified Financial Services
28	—	Sacramento (city Of), Ca Municipal Utility District, Series 2020 H, RbUtilities · Multi-Utilities	0.85%	42.2%	-	$20.81M	Utilities	Multi-Utilities
29	—	San Diego County Regional Airport Authority 5.25 2050-07-01	0.81%	43.0%	-	$19.87M	-	-
30	Debt	California State University Systemwide RevenueFinancials · Thrifts	0.77%	43.8%	-	$18.85M	Financials	Thrifts
31	—	City Of Los Angeles Ca Wastewater System Revenue,5.25,2050-06-01Financials · Banks	0.76%	44.6%	-	$18.75M	Financials	Banks
32	Debt	San Francisco City & County Airport Comm-San Francisco International Airport	0.76%	45.3%	-	$18.55M	-	-
33	—	Golden State Tobacco Securitization Corp 2051-06-01Financials · Diversified Financial Services	0.75%	46.1%	-	$18.34M	Financials	Diversified Financial Services
34	—	San Diego Cnty 5% 07/48	0.71%	46.8%	-	$17.43M	-	-
35	—	California Cmnty Choice Fing A Ccedev 01/56 Adjustable Var	0.71%	47.5%	-	$17.46M	-	-
36	—	San Francisco City & County Public Utilities Commission Wastewater Revenuesan Francisco City & Cnty Ca Public Utils Commission WstwtrUtilities · Water Utilities	0.69%	48.2%	-	$16.97M	Utilities	Water Utilities
37	—	San Francisco Airports Commission, California, Revenue Bonds, San Francisco International Airport, Second Series 2018d	0.69%	48.9%	-	$16.87M	-	-
38	—	California Cmnty Choice Fing A Ccedev 11/33 Fixed 5	0.68%	49.6%	-	$16.60M	-	-
39	—	San Diego Ca Public Facs Fing Auth Lease Revenue 5 51058 2039-10-15	0.66%	50.2%	-	$16.27M	-	-
40	—	California Cmnt Frn 10/54Financials · Diversified Financial Services	0.64%	50.9%	-	$15.73M	Financials	Diversified Financial Services
41	Debt	Chabot-Las Positas Community College District, Series CFinancials · Diversified Financial Services	0.63%	51.5%	-	$15.45M	Financials	Diversified Financial Services
42	Debt	Puerto Rico Sales Tax Financing Corp SaFinancials · Diversified Financial Services	0.62%	52.1%	-	$15.31M	Financials	Diversified Financial Services
43	—	W Vly-Mission Ca Cmnty Clg Dist 4 2044-08-01Financials · Diversified Financial Services	0.61%	52.7%	-	$15.04M	Financials	Diversified Financial Services
44	Debt	San Bernardino Community College DistrictConsumer Disc. · Diversified Consumer Services	0.60%	53.3%	-	$14.75M	Consumer Disc.	Diversified Consumer Services
45	Debt	San Marcos Unified School DistrictConsumer Disc. · Diversified Consumer Services	0.59%	53.9%	-	$14.46M	Consumer Disc.	Diversified Consumer Services
46	—	Desert Cmnty Clg Dist Ca Deshgr 08/51 Fixed 5	0.58%	54.5%	-	$14.28M	-	-
47	—	California Hsg Fin Agy Affordable Hsg Revenue	0.55%	55.0%	-	$13.57M	-	-
48	—	California Public Fin Auth Senior Living Revenue	0.55%	55.6%	-	$13.49M	-	-
49	—	Tamalpais Ca Union High Sch Dist	0.55%	56.1%	-	$13.61M	-	-
50	—	Los Gatos Ca Union Sch Dist	0.53%	56.7%	-	$13.07M	-	-
More holdings · Pro

Not reported for this fund: share changes.

FundXLS Pro

See the other 174 holdings of MACMX

X-ray every fund you own at once, ETFs and mutual funds that hold stocks directly, and see how much of your money lands on the same stocks twice.

Unlock FundXLS Pro$45/quarter Pro · Cancel anytime

MACMX Mutual Fund All Holdings

MACMX holdings total 248 positions. The top 10 holdings account for 24.4% of the fund, led by Treasury Bill Jun 04, 2026 at 8.1%, California Cmnty Choice Fing A Ccedev 10/56 Adjustable Var at 2.7%, California Community Choice Fi Ccedev 02/54 Adjustable Var 5 02-01-2054 at 2.2%.

MACMX portfolio concentration is well-diversified, with the top 10 representing 24.4% of total assets. The largest sector exposure is Financials at 26.4%.

MACMX sectors provide a detailed breakdown. MACMX overlap shows how holdings compare to other funds in your portfolio.