MF · holdings as filed 2026-03-31
What's inside BBMUX?
Bridge Builder Municipal Bond Fund
- Holdings
- 5,724
- positions in the fund
- Top 10
- 6%
- of fund assets
- Expense ratio
- 0.12%
- net, per year
- Fund size
- $20B
- total net assets
Top 20 holdings
| Rank | Logo | Ticker / Name | Weight | |
|---|---|---|---|---|
| 1 | F  | FRGXXFIDELITY INV MMKT GOVT-INST | 2.73% | |
| 2 | A  | AL SEEPWR 5 10.01.2030SOUTHEAST ENERGY-E | 0.63% | |
| 3 | K  | KY KYSPWR 01.01.2055KY PUB ENERGY AUTH-B- | 0.39% | |
| 4 | C  | CA CCEDEV 01.01.2055CA CMNTY CHOICE-B | 0.30% | |
| 5 | P  | PR PRCGEN 4.33 07.01.2040RESTRUCTURED-SER A-2 | 0.28% | |
| 6 | F  | FL MIATRN 5 10.01.2032MIAMI-DADE CO-A-AMT | 0.27% | |
| 7 | I  | IL CHIEDU 6 04.01.2046CHICAGO IL BRD OF EDU | 0.27% | |
| 8 | T  | TN TNSUTL 5 12.01.2035TN ENERGY ACQ CORP-A | 0.25% | |
| 9 | T  | TX HAREDU 12.01.2060HARRIS CO CULTURAL-A | 0.25% | |
| 10 | A  | AL SEEPWR 10.01.2055SE ENERGY AUTH-C | 0.23% | |
| 11 | T  | TX TAREDU 11.15.2051TARRANT CULTURAL-C-2 | 0.23% | |
| 12 | G  | GA MSEPWR 5 12.01.2033MAIN STREET ENERGY-D | 0.22% | |
| 13 | C  | CA SFOAPT 5 05.01.2033SAN FRANCISCO-C-REF | 0.22% | |
| 14 | G  | GA MAIUTL 12.01.2053MAIN ST NAT GAS-E-2 | 0.22% | |
| 15 | N  | NV LVVWTR 5 06.01.2039LAS VEGAS VLY WTR DT | 0.21% | |
| 16 | N  | NY NYTTRN 5 07.01.2046NEW YORK TRANSPRTN-A | 0.21% | |
| 17 | A  | AL BBEUTL 5 10.01.2035BLACK BELT GAS DT-B | 0.21% | |
| 18 | T  | TX PPATRN 04.01.2040PT PORT ARTHUR NAV-C | 0.21% | |
| 19 | T  | TX TXSUTL 01.01.2055TEXAS GAS ACQ & SPLY | 0.20% | |
| 20 | A  | AL SOUUTL 08.01.2054S E ALABAMA ST GAS SP | 0.20% |
Top holdings — Bonds & Fixed Income
Your 10 largest positions in this sector
1
A
AL SEEPWR 5 10.01.2030SOUTHEAST ENERGY-E
0.63%2
K
KY KYSPWR 01.01.2055KY PUB ENERGY AUTH-B-
0.39%3
C
CA CCEDEV 01.01.2055CA CMNTY CHOICE-B
0.30%4
P
PR PRCGEN 4.33 07.01.2040RESTRUCTURED-SER A-2
0.28%5
F
FL MIATRN 5 10.01.2032MIAMI-DADE CO-A-AMT
0.27%6
I
IL CHIEDU 6 04.01.2046CHICAGO IL BRD OF EDU
0.27%7
T
TN TNSUTL 5 12.01.2035TN ENERGY ACQ CORP-A
0.25%8
T
TX HAREDU 12.01.2060HARRIS CO CULTURAL-A
0.25%9
A
AL SEEPWR 10.01.2055SE ENERGY AUTH-C
0.23%10
T
TX TAREDU 11.15.2051TARRANT CULTURAL-C-2
0.23%Top holdings — United States
Your 10 largest positions in this country
1
F
FRGXXFIDELITY INV MMKT GOVT-INST
2.73%2
A
AL SEEPWR 5 10.01.2030SOUTHEAST ENERGY-E
0.63%3
K
KY KYSPWR 01.01.2055KY PUB ENERGY AUTH-B-
0.39%4
C
CA CCEDEV 01.01.2055CA CMNTY CHOICE-B
0.30%5
P
PR PRCGEN 4.33 07.01.2040RESTRUCTURED-SER A-2
0.28%6
F
FL MIATRN 5 10.01.2032MIAMI-DADE CO-A-AMT
0.27%7
I
IL CHIEDU 6 04.01.2046CHICAGO IL BRD OF EDU
0.27%8
T
TN TNSUTL 5 12.01.2035TN ENERGY ACQ CORP-A
0.25%9
T
TX HAREDU 12.01.2060HARRIS CO CULTURAL-A
0.25%10
A
AL SEEPWR 10.01.2055SE ENERGY AUTH-C
0.23%Geography reflects each issuer's registered business address per SEC EDGAR filings where available, falling back to the exchange or listing where no SEC filing exists — not necessarily where a company's stock is primarily listed (e.g. TSMC is classified as Taiwan even though its ADR trades on the NYSE).
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Data source: official SEC Form N-PORT filings (as of 2026-03-31); expense ratio from SEC prospectus (risk/return) filings. Fund holdings are disclosed quarterly and may reflect a 60-day reporting delay.
Informational and educational only — not investment advice.
Informational and educational only — not investment advice.