Bridge Builder Municipal Bond Fund

Asset mix

DBT: 97.7% · ABS-CBDO: 1.5% · STIV: 1.1% · ABS-MBS: 0.0% · DE: 0.0%

Financial position

Total assets: $21.1B
Total liabilities: $326M
Net assets: $20.8B
Assets attributable to miscellaneous securities: $0
Assets invested in controlled foreign corporations: $0
Borrowings payable within one year: $0
Payable to controlled companies within one year: $0
Payable to other affiliates within one year: $0
Other liabilities payable within one year: $0
Borrowings payable after one year: $0
Payable to controlled companies after one year: $0
Payable to other affiliates after one year: $0
Other liabilities payable after one year: $0
Payables for delayed-delivery investments: $0
Payables for standby commitments: $0
Liquidation preference of outstanding preferred stock: $0
Cash not reported in Parts C or D: $44.4M

Monthly flows and gains

	Month 1	Month 2	Month 3
Sales	$645M	$513M	$655M
Reinvestment	$64.1M	$60.8M	$63.5M
Redemptions	$863M	$462M	$247M
Net realized gain (non-derivative)	$-444K	$304K	$-703K
Net unrealized appreciation (non-derivative)	$135M	$20.8M	$64.5M

The three months of the reporting period, as filed; month 3 ends June 30, 2026.

Credit spread risk (change in value per 1bp spread move)

Tenor	Investment grade	Non-investment grade
3 months	$526K	$843
1 year	$677K	$14K
5 years	$4.51M	$64.4K
10 years	$5.21M	$63.9K
30 years	$247K	$18.8K

Filing details

Registrant: Bridge Builder Trust
Registrant CIK: 1567101
Registrant LEI: 549300MZGMJ1KD5SOK80
Series: Bridge Builder Municipal Bond Fund
Series ID: S000050632
Series LEI: 5493003VPO8RCMPVYN16
SEC file number: 811-22811
Address: 12555 Manchester Road, NULL, St. Louis, US-MO, 63131, US
Phone: 314-515-2000
Form: NPORT-P
Filed: August 26, 2026
Report period ends: June 30, 2026
Report month ends: June 30, 2026
Accession number: 000100371526003062

Holding	Value	% of net assets
Fidelity Inv Mmkt Govt-inst STIV	$196M	0.94%
Southeast Energy A 5% 10/01/30 DBT	$94.7M	0.46%
Kentucky St Publi V/r 01/01/55 DBT	$77.6M	0.37%
California Cmnty V/r 01/01/55 DBT	$60.9M	0.29%
Puerto Rico Sa 4.329% 07/01/40 DBT	$57.3M	0.28%
Miami-dade Cnty Fl 5% 10/01/32 DBT	$54.8M	0.26%
Chicago Il Brd Of 6% 04/01/46 DBT	$53.6M	0.26%
Main Street Energy 5% 10/01/33 DBT	$51.6M	0.25%
Black Belt Energy 5% 11/01/36 DBT	$50.6M	0.24%
Univ Of Texas Tx V/r 08/01/56 DBT	$50M	0.24%
Tennessee St Energ 5% 12/01/35 DBT	$49.7M	0.24%
Harris Cnty Tx Cu V/r 12/01/60 DBT	$49.2M	0.24%
Southeast Energy V/r 10/01/55 DBT	$46.7M	0.22%
Tarrant Cnty Tx C V/r 11/15/51 DBT	$46.1M	0.22%
San Francisco Ca C 5% 05/01/33 DBT	$44.4M	0.21%
Main Street Natur V/r 12/01/53 DBT	$43.2M	0.21%
Energy S E Al A Co 5% 11/01/33 DBT	$43.2M	0.21%
Las Vegas Vly Nv W 5% 06/01/39 DBT	$42.8M	0.21%
Texas St Muni Gas V/r 01/01/55 DBT	$42.3M	0.20%
New York St Transp 5% 07/01/46 DBT	$42.3M	0.20%
Port Of Port Arth V/r 04/01/40 DBT	$41.4M	0.20%
S E Alabama St Ga V/r 08/01/54 DBT	$40.1M	0.19%
Main Street Natur V/r 09/01/53 DBT	$40.1M	0.19%
S E Alabama St Ga V/r 06/01/49 DBT	$39.8M	0.19%
National Fin A 4.216% 11/20/42 ABS-CBDO	$38.9M	0.19%
Univ Of Califor 5.25% 11/15/39 DBT	$38.7M	0.19%
Main Street Natur V/r 05/01/55 DBT	$36.8M	0.18%
Kentucky St Proper 5% 11/01/26 DBT	$36.8M	0.18%
Main Street Natur V/r 05/01/54 DBT	$36.5M	0.18%
Patriots Energy G V/r 02/01/54 DBT	$36.3M	0.17%
Main Street Energy 5% 12/01/33 DBT	$35.9M	0.17%
Black Belt Energy V/r 10/01/52 DBT	$35.8M	0.17%
Centrl Plains Ene V/r 08/01/55 DBT	$35.3M	0.17%
Lower Al Gas Dist 5% 12/01/33 DBT	$35.1M	0.17%
Tennessee St Energ 5% 11/01/34 DBT	$35M	0.17%
Black Belt Energy 5% 12/01/35 DBT	$34.8M	0.17%
Tarrant Cnty Tx C V/r 11/15/64 DBT	$34.7M	0.17%
Black Belt Energy V/r 12/01/55 DBT	$34.1M	0.16%
Black Belt Energy 5% 01/01/34 DBT	$33.9M	0.16%
Pefa Inc Ia Gas Pr 5% 04/01/35 DBT	$33.5M	0.16%
Black Belt Energy 5% 10/01/33 DBT	$33.3M	0.16%
New York Ny V/r 04/01/42 DBT	$33.2M	0.16%
Southeast Energy A 5% 09/01/35 DBT	$32.8M	0.16%
Illinois St 5% 09/01/38 DBT	$32.6M	0.16%
Main Street Natur V/r 07/01/52 DBT	$32.6M	0.16%
Kentucky St Publi V/r 06/01/55 DBT	$32.4M	0.16%
California Hsg Fi V/r 07/01/56 DBT	$31.8M	0.15%
Minnesota Muni Gas 5% 09/01/35 DBT	$31.7M	0.15%
Black Belt Energy 5% 10/01/35 DBT	$31.3M	0.15%
Arkansas Dev Fin V/r 09/01/46 DBT	$31.2M	0.15%
Black Belt Energy 5% 12/01/34 DBT	$30.4M	0.15%
New Jersey St E 5.25% 09/01/26 DBT	$30.1M	0.14%
California Cmnty C 5% 02/01/31 DBT	$29.5M	0.14%
Energy S E Al A C V/r 07/01/54 DBT	$29.3M	0.14%
California Cmnty V/r 08/01/55 DBT	$29.3M	0.14%
Puerto Rico Cmwlt V/r 11/01/51 DBT	$29.3M	0.14%
Illinois St Toll H 5% 01/01/38 DBT	$28.8M	0.14%
Texas St Transprtn 5% 10/01/40 DBT	$28.3M	0.14%
New Jersey St Hlth 5% 07/01/29 DBT	$28.2M	0.14%
New York City Ny V/r 11/01/65 DBT	$27.6M	0.13%

Showing top 60 of 5793 holdings.