Showing top 50 of 433 holdings · as of Sep 30, 2026
FSBXX holdings, by weight
#
Ticker
Name
Weight
Cumulative
Shares
Mkt value
Sector
Industry
1
—
Fidelity Municipal Cash Central FundFinancials · Capital Markets
12.77%
12.8%
907,165,547
$907.35M
Financials
Capital Markets
2
—
California Go 2.950000%
3.23%
16.0%
229,300,000
$229.30M
-
-
3
—
San Diego Calif Hsg Auth Variable Rt Demand Rev Bds 2017a
1.86%
17.9%
132,385,000
$132.38M
-
-
4
—
San Fran Ca Arpt 26D L=Ba V7@
1.54%
19.4%
109,135,000
$109.14M
-
-
5
Debt
County Of Los Angeles Ca
1.53%
20.9%
107,370,000
$108.37M
-
-
6
—
Bay Area Toll Au Ca Bridge Rev 3.04% 2059-04-01
1.38%
22.3%
97,985,000
$97.98M
-
-
7
—
San Fran Ca Arpt 26E L=Bc V7@
1.35%
23.7%
95,900,000
$95.90M
-
-
8
—
San Francisco Ca Mshg Mariposa Apts 2024-Miz9199 E-Bam(Mz)/Mz D1
1.34%
25.0%
95,250,000
$95.25M
-
-
9
—
San Fran Ca Arpt 26C1 L=Wf V7@
1.33%
26.3%
94,390,000
$94.39M
-
-
10
—
Ca Commonspirit Hlth Bc23-007 Bc/Bc D7, 4.02% 2042/03/01
1.17%
27.5%
83,140,000
$83.14M
-
-
11
Debt
University CA Revs
1.14%
28.6%
81,000,000
$80.88M
-
-
12
—
University Of California, Series 2013 Al-4 2.60000178 05/15/2048
1.13%
29.8%
80,000,000
$80.00M
-
-
13
—
Wells Fargo Stage Trust Variou
1.06%
30.8%
75,000,000
$75.00M
-
-
14
—
Los Angeles Calif Uni Sch Dist 07/01/2027
0.99%
31.8%
69,425,000
$70.19M
-
-
15
—
Riverside Ctfs. of Prtn., 0.62% (riverside Renaissance Proj.) Series 2008, Loc Bank of America Na Vrdn
0.88%
32.7%
62,390,000
$62.39M
-
-
16
—
San Francisco Ca City &Cnty Ar
0.79%
33.5%
56,000,000
$56.00M
-
-
17
Debt
San Francisco, Ca City & County Airport Commission, Tender Option Bond Trust Receipts (Series 2025-Xf8106), 2.250%, 5/1/2028
0.77%
34.3%
54,495,000
$54.49M
-
-
18
—
Bay Area Toll Auth 3.02% 2059-04-01
0.76%
35.0%
54,225,000
$54.23M
-
-
19
—
Santa Clara Cnty Calif Fing Au 2.34% May 15, 2035
0.75%
35.8%
53,500,000
$53.50M
-
-
20
—
Santa Clara Valley Water District 2.500000%
0.75%
36.5%
53,575,000
$53.47M
-
-
21
—
Los Angeles Ca Mfh Wilshire Station 2024-Miz9189 Mz/Mz Dr35
0.74%
37.3%
52,800,000
$52.80M
-
-
22
—
River Islands Ca Pfa 2024-Miz9191 Mz/Mz D35
0.73%
38.0%
51,700,000
$51.70M
-
-
23
—
San Francisco Airport Commission 2.52% 2026-12-02
0.70%
38.7%
50,000,000
$49.93M
-
-
24
—
Toll Bridge Rb Series 2008E1 0.900000%
0.68%
39.4%
48,065,000
$48.06M
-
-
25
—
River Islands Ca Pfa Cmnty Facs Dist 2024-Miz9188 Mz/Mz D35
0.67%
40.0%
47,500,000
$47.50M
-
-
26
—
San Francisco Calif City & Cnty Pub Utils Commn Rev Iam Coml Paper Nts 3/A2 12/01/2026
0.66%
40.7%
47,202,000
$47.12M
-
-
27
Debt
State Of California
0.65%
41.3%
45,690,000
$46.26M
-
-
28
—
Ca Cmnty Choice 2026-Xm1359-All Jp/Jp D1 - For Cash 2036-03-01
0.64%
42.0%
45,460,000
$45.46M
-
-
29
—
Riverside Cnty Ca Teeter Oblig Riv 10/26 Fixed 2.55
0.61%
42.6%
43,275,000
$43.26M
-
-
30
—
San Diego Ca Mshg Scripps Mesa Apts 2024-Miz9198 Mz/Mz D35
0.60%
43.2%
42,395,000
$42.40M
-
-
31
—
Refunding Rb (stanford Hospital) Series 2008b2-1 0.920%
0.59%
43.8%
42,050,000
$41.97M
-
-
32
Debt
State of California
0.58%
44.4%
41,495,000
$41.45M
-
-
33
—
Riverside Cnty Calif 56/30/2027
0.58%
44.9%
40,555,000
$40.93M
-
-
34
—
Bay Area Ca Toll Auth Toll Bri
0.58%
45.5%
41,150,000
$41.15M
-
-
35
—
Bay Area Toll Auth 3.04% 2059-04-01
0.56%
46.1%
40,000,000
$40.00M
-
-
36
—
Bay Area Toll Auth 4.4% 2059-04-01
0.55%
46.6%
39,155,000
$39.16M
-
-
37
—
California Poll. Cont. Fing. Auth. Solid Waste Disp. Rev., 1.02% (recology, Inc. Proj.) Series 2018 A, Loc Wells Fargo Bank Na Vrdn
0.52%
47.2%
36,915,000
$36.91M
-
-
38
—
San Fran Ca Arpt 2026-Xl0746-All Q=Ba D1@ 2055-05-01
0.51%
47.7%
35,975,000
$35.98M
-
-
39
—
Ca Mhsg Harbor Park Apts 2024-Miz9190 Mz/Mz D35 10-08-2027
0.47%
48.1%
33,250,000
$33.25M
-
-
40
—
San Diego Ca Arpt 2025-Xx1390-Inv Q=Bc D1@
0.47%
48.6%
33,580,000
$33.58M
-
-
41
—
Ca Stwd Cmnty Dev Auth Iac Proj 2001-w2 Loc Wells Fargo ***amt***@
0.45%
49.1%
32,000,000
$32.00M
-
-
42
—
Miami-Dade County, Fl Ida (Florida Power & Light Co.) , (Series 2024B), 2.400%, 5/1/2054
0.44%
49.5%
31,400,000
$31.40M
-
-
43
—
Central Vly Engy Ca 2025-Xm1303-All Jp/Jp D1 0 2055-12-01
0.44%
49.9%
31,320,000
$31.32M
-
-
44
—
San Joaquin Vly Ca Clean Engy 2026-Xm1358-All Jp/Jp D1
0.43%
50.4%
30,330,000
$30.33M
-
-
45
Debt
State of California
0.43%
50.8%
30,460,000
$30.42M
-
-
46
—
Ca Cmnty Choice 2025-Xm1279-All Jp/Jp D1 - For Cash 03/01/2056
0.43%
51.2%
30,270,000
$30.27M
-
-
47
—
M/F Housing Rb (Bay St Apts) Series 2002A 0.980%
0.42%
51.6%
30,000,000
$30.00M
-
-
48
—
California Health Facilities Financing Authority 3.87% 2047-09-01
0.42%
52.1%
30,000,000
$30.00M
-
-
49
Debt
University Of California (The Regents Of), Tender Option Bond Trust Certificates (Series 2023-Zf3164), 2.180%, 5/15/2052
0.42%
52.5%
30,000,000
$30.00M
-
-
50
—
Sub Refunding Rb Series 2025A&B 2.000000% 05/06/2033
0.42%
52.9%
29,625,000
$29.63M
-
-
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FSBXX Mutual Fund All Holdings
FSBXX holdings total 445 positions. The top 10 holdings account for 27.5% of the fund, led by Fidelity Municipal Cash Central Fund at 12.8%, California Go 2.950000% at 3.2%, San Diego Calif Hsg Auth Variable Rt Demand Rev Bds 2017a at 1.9%.
FSBXX portfolio concentration is well-diversified, with the top 10 representing 27.5% of total assets. The largest sector exposure is Financials at 13.4%.
FSBXX sectors provide a detailed breakdown. FSBXX overlap shows how holdings compare to other funds in your portfolio.