Bridge Builder Municipal High-Income Bond Fund

Asset mix

DBT: 91.7% · ABS-CBDO: 3.8% · DIR: 2.4% · STIV: 2.1% · EC: 0.0%

Financial position

Total assets: $6.53B
Total liabilities: $102M
Net assets: $6.43B
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: $17M

Monthly flows and gains

	Month 1	Month 2	Month 3
Sales	$199M	$169M	$177M
Reinvestment	$24.4M	$24M	$25.1M
Redemptions	$254M	$67.8M	$95.4M
Net realized gain (non-derivative)	$-568K	$131K	$-1.82M
Net unrealized appreciation (non-derivative)	$57.9M	$27.9M	$50.9M

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	$227K	$6.35K
1 year	$152K	$49K
5 years	$554K	$116K
10 years	$897K	$300K
30 years	$307K	$153K

Filing details

Registrant: Bridge Builder Trust
Registrant CIK: 1567101
Registrant LEI: 549300MZGMJ1KD5SOK80
Series: Bridge Builder Municipal High-Income Bond Fund
Series ID: S000079794
Series LEI: 549300WUJYU3AUMIZ279
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: 000100371526003059

Holding	Value	% of net assets
Fidelity Inv Mmkt Govt-inst STIV	$140M	2.18%
F/c Us 2yr Note (cbt) Sep26 DIR	$105M	1.63%
Buckeye Oh Tobacco 5% 06/01/55 DBT	$57.8M	0.90%
F/c Us 5yr Note (cbt) Sep26 DIR	$51.4M	0.80%
Puerto Rico Cmwlt V/r 11/01/51 DBT	$45.9M	0.71%
Puerto Rico Cmwlt V/r 11/01/43 ABS-CBDO	$44.4M	0.69%
Puerto Rico Sal 4.75% 07/01/53 DBT	$35.4M	0.55%
Puerto Rico Sales Zcp 07/01/46 DBT	$31.2M	0.49%
Puerto Rico Sales 5% 07/01/58 DBT	$28M	0.44%
Public Fin Auth 5.75% 12/31/65 DBT	$24.1M	0.37%
Tobacco Settlement 5% 06/01/46 DBT	$23M	0.36%
California St Muni 5% 12/31/43 DBT	$20.8M	0.32%
California Stwd 5.25% 12/01/56 DBT	$18.7M	0.29%
Puerto Rico Sa 4.329% 07/01/40 DBT	$18.7M	0.29%
Tobacco Settlement 5% 06/01/47 DBT	$18M	0.28%
Puerto Rico Cmwlth 4% 07/01/42 DBT	$17.9M	0.28%
Puerto Rico Cmwlth 5% 07/01/30 DBT	$17.1M	0.27%
New York St Transp 6% 06/30/59 DBT	$16.6M	0.26%
Velocity Met Dis 5.5% 12/01/48 DBT	$16.5M	0.26%
Puerto Rico Cmwlth 4% 07/01/41 DBT	$16.5M	0.26%
Louisiana St Loc 3.5% 11/01/32 DBT	$16.4M	0.26%
Puerto Rico Sa 4.784% 07/01/58 DBT	$16.1M	0.25%
Puerto Rico Cmwlt V/r 11/01/51 ABS-CBDO	$15.8M	0.25%
Wshfc 2024-1 A V/r 03/20/40 ABS-CBDO	$15.7M	0.24%
Connecticut St Hl V/r 07/01/57 DBT	$15.3M	0.24%
Black Belt Energy 5% 06/01/36 DBT	$14.7M	0.23%
Berks Cnty Pa Muni 0% 06/30/44 DBT	$13.6M	0.21%
Wshfc 2021-1 A 3.5% 12/20/35 ABS-CBDO	$13.4M	0.21%
Louisiana Pub F 5.75% 09/01/64 DBT	$13.2M	0.21%
Denver City & Cnty 5% 10/01/32 DBT	$13.2M	0.21%
Cuyahoga Cnty Oh 5.5% 02/15/52 DBT	$13.2M	0.20%
New York Ny V/r 04/01/42 DBT	$13M	0.20%
Capital Trust Agy 5% 07/01/56 DBT	$13M	0.20%
Puerto Rico Cmwlth 5% 07/01/35 DBT	$12.6M	0.20%
Matching Fund Spl 5% 10/01/39 DBT	$12.6M	0.20%
Hm Met Dist #2 Co 0% 12/01/51 DBT	$12.6M	0.20%
Public Fin Auth W V/r 07/01/60 DBT	$12.5M	0.19%
Black Belt Energy 5% 12/01/35 DBT	$12.4M	0.19%
Houston Tx Arpt Sy 4% 07/15/41 DBT	$12.4M	0.19%
Virginia Small Bus 5% 12/31/56 DBT	$12.3M	0.19%
Ohio St Air Quali V/r 11/01/39 DBT	$12.3M	0.19%
Build Nyc Resource 5% 06/15/51 DBT	$12.2M	0.19%
Indiana Fin Aut 4.25% 11/01/30 DBT	$12.2M	0.19%
Valdez Alaska V/r 12/1/33 DBT	$12.2M	0.19%
Public Fin Auth 4.25% 07/01/54 DBT	$12.1M	0.19%
Massachusetts St 5.5% 12/01/56 DBT	$11.7M	0.18%
California Cmnty H 5% 08/01/49 DBT	$11.6M	0.18%
Mobile Cnty Al Ind 5% 06/01/54 DBT	$11.3M	0.18%
Nfa 2025-1 A1 V/r 01/20/41 ABS-CBDO	$11.3M	0.18%
California Cmnty H 4% 02/01/56 DBT	$11.3M	0.18%
Rockdale Cnty Ga D 4% 01/01/38 DBT	$11.2M	0.17%
Cscda Cmnty Impt A 4% 08/01/56 DBT	$11.1M	0.17%
Puerto Rico Cmwlth 4% 07/01/42 DBT	$11M	0.17%
Cleveland-cuyaho 5.5% 12/01/53 DBT	$10.8M	0.17%
Illinois St 5% 09/01/41 DBT	$10.7M	0.17%
Virginia St Small 4% 01/01/48 DBT	$10.7M	0.17%
Chandler Az Indl V/r 09/01/52 DBT	$10.6M	0.17%
Ohio St Air Qualit 5% 07/01/49 DBT	$10.6M	0.17%
Houston Tx Arpt 5.5% 07/15/39 DBT	$10.6M	0.16%
Selma Al Indl De 4.2% 05/01/34 DBT	$10.6M	0.16%

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