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Bridge Builder Municipal Bond Fund (BBMUX)

SEC CIK 1567101 · Series S000050632 · Portfolio as of 2026-03-31

Net assets
$20.14B
Holdings
5724
Snapshots
27
History since
2019-09-30

Top holdings

SecurityValueWeight
FIDELITY INV MMKT GOVT-INST · FRGXX$545.3M2.73%
SOUTHEAST ENERGY A 5% 10/01/30 · AL SEEPWR 5 10/01/2030$125.8M0.63%
KENTUCKY ST PUBLI V/R 01/01/55 · KY KYSPWR 01/01/2055$77.7M0.39%
CALIFORNIA CMNTY V/R 01/01/55 · CA CCEDEV 01/01/2055$60.4M0.30%
PUERTO RICO SA 4.329% 07/01/40 · PR PRCGEN 4.33 07/01/2040$56.4M0.28%
MIAMI-DADE CNTY FL 5% 10/01/32 · FL MIATRN 5 10/01/2032$54.8M0.28%
CHICAGO IL BRD OF 6% 04/01/46 · IL CHIEDU 6 04/01/2046$53.6M0.27%
TENNESSEE ST ENERG 5% 12/01/35 · TN TNSUTL 5 12/01/2035$49.8M0.25%
HARRIS CNTY TX CU V/R 12/01/60 · TX HAREDU 12/01/2060$49.2M0.25%
SOUTHEAST ENERGY V/R 10/01/55 · AL SEEPWR 10/01/2055$46.8M0.23%

Sector exposure

fixed income
97.2%
other
2.8%

Recent monthly returns

2025-10
+1.02%
2025-11
+0.31%
2025-12
+0.21%
2026-01
+1.01%
2026-02
+1.18%
2026-03
-2.25%

From N-PORT Part B, units verified by net-asset reconciliation.

Get this data via API

curl "https://api.fundlens.io/v1/funds/BBMUX/holdings" \
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Full holdings, every historical snapshot, point-in-time queries, monthly returns and flows — free tier available, no card required.

Source: SEC EDGAR Form N-PORT. Data is quarterly with a regulatory filing lag; this page shows the most recent public filing. Not investment advice.