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Bridge Builder Municipal Bond Fund (BBMUX)

SEC CIK 1567101 · Series S000050632 · Portfolio as of 2026-06-30

Net assets
$20.79B
Holdings
5793
Snapshots
28
History since
2019-09-30

Top holdings

SecurityValueWeight
FIDELITY INV MMKT GOVT-INST · FRGXX$195.6M0.95%
SOUTHEAST ENERGY A 5% 10/01/30 · AL SEEPWR 5 10/01/2030$94.7M0.46%
KENTUCKY ST PUBLI V/R 01/01/55 · KY KYSPWR 01/01/2055$77.6M0.38%
CALIFORNIA CMNTY V/R 01/01/55 · CA CCEDEV 01/01/2055$60.9M0.30%
PUERTO RICO SA 4.329% 07/01/40 · PR PRCGEN 4.33 07/01/2040$57.3M0.28%
MIAMI-DADE CNTY FL 5% 10/01/32 · FL MIATRN 5 10/01/2032$54.8M0.27%
CHICAGO IL BRD OF 6% 04/01/46 · IL CHIEDU 6 04/01/2046$53.6M0.26%
MAIN STREET ENERGY 5% 10/01/33 · GA MSEPWR 5 10/01/2033$51.6M0.25%
BLACK BELT ENERGY 5% 11/01/36 · AL BBEUTL 5 11/01/2036$50.6M0.25%
UNIV OF TEXAS TX V/R 08/01/56 · TX UNIHGR 08/01/2056$50.0M0.24%

Sector exposure

fixed income
99.1%
other
0.9%

Recent monthly returns

2026-01
+1.01%
2026-02
+1.18%
2026-03
-2.25%
2026-04
+1.01%
2026-05
+0.41%
2026-06
+0.60%

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.