American Century Intermediate-Term Tax-Free Bond Fund Y Class ATBYX

Medalist Rating as of Sep 30, 2026 See American Century Investment Hub

NAV / 1-Day Return$10.51 / −0.28%
Fund Size$4.8B
Adjusted Expense Ratio0.240%
Net Expense Ratio0.240%
Fee Level: DistributionLow
Share Class TypeInstitutional
Morningstar CategoryMuni National Intermediate
Fixed-Income Style Box (Funds)Medium/Moderate
Minimum Initial Investment$0
Investment StatusOpen
TTM Yield3.69%
Average Effective Duration5.83 yrs

NAV and 1-Day Return as of Nov 14, 2026, 1:11:02 AM

Will ATBYX outperform in the future?

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Process Pillar
The Process Pillar is our assessment of how sensible, clearly defined, and repeatable ATBYX’s performance objective and investment process is for both security selection and portfolio construction.
People Pillar
The People Pillar is our evaluation of the ATBYX management team’s experience and ability. We find that high-quality management teams deliver superior performance relative to their benchmarks and/or peers.
Parent Pillar
The Parent Pillar is our rating of ATBYX’s parent organization’s priorities and whether they’re in line with investors’ interests.

Morningstar Automated Analysis

Summary

American Century IntermTrm Tx-Fr Bd Y holds a quantitatively derived Silver Morningstar Medalist Rating. The rating reflects that it has scored well on factors Morningstar research associates with future outperformance relative to category peers.

by Morningstar Automated Analysis

Rated on Sep 30, 2026 Published on Oct 27, 2026

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Portfolio Holdings ATBYX

More ATBYX Holdings

Current Portfolio DateSep 30, 2026
Equity Holdings—
Bond Holdings—
Other Holdings—
% Assets in Top 10 Holdings6.6

Top 10 Holdings	% Portfolio Weight	Market Value USD	Sector
Port Of Morrow Or Ptm 10/29 Fixed Oid 4	0.88	44M	municipal
BLACK BELT ENERGY GAS DIST ALA GAS PROJ REV 5%	0.77	38M	municipal
VanEck High Yield Muni ETF	0.77	38M	—
CENTRAL PLAINS ENERGY PROJ NEB GAS PROJ REV 5%	0.72	36M	municipal
PEFA INC IOWA GAS PROJ REV 5%	0.68	34M	municipal
ILLINOIS ST 5%	0.67	33M	municipal
NEBRASKA PUB PWR DIST REV 5%	0.61	31M	municipal
QUINCY MASS 5%	0.51	25M	municipal
ALABAMA ST TOLL ROAD BRIDGE ATRTRN 10/32 FIXED 5	0.50	25M	municipal
BUILD NYC RESOURCE CORP N Y REV 5%	0.50	25M	municipal

American Century Intermediate-Term Tax-Free Bond Fund Y Class ATBYX

Morningstar’s Analysis ATBYX

Will ATBYX outperform in the future?

Process Pillar

People Pillar

Parent Pillar

Summary

Portfolio Holdings ATBYX

Port Of Morrow Or Ptm 10/29 Fixed Oid 4

BLACK BELT ENERGY GAS DIST ALA GAS PROJ REV 5%

VanEck High Yield Muni ETF

CENTRAL PLAINS ENERGY PROJ NEB GAS PROJ REV 5%

PEFA INC IOWA GAS PROJ REV 5%

ILLINOIS ST 5%

NEBRASKA PUB PWR DIST REV 5%

QUINCY MASS 5%

ALABAMA ST TOLL ROAD BRIDGE ATRTRN 10/32 FIXED 5

BUILD NYC RESOURCE CORP N Y REV 5%

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