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ETF · holdings as filed 2026-05-31

What's inside SDSI?

American Century Short Duration Strategic Income ETF
Holdings
388
positions in the fund
Top 10
32%
of fund assets
Expense ratio
0.32%
net, per year
Fund size
$218M
total net assets

Top 20 holdings

RankLogoTicker / NameWeight
1
G
GVMXXSTATE ST INST US GOV MM-PREM
10.99%
2
BOND
US Treasury Note4% · May 2028
9.53%
3
BOND
US Treasury Note3.875% · May 2029
3.27%
4
BOND
US Treasury Note3.75% · Dec 2028
3.06%
5
BOND
US Treasury Note4.375% · Dec 2029
2.07%
6
?
—State Street Navigator Securities Lending Trust - State Street Navigator Securities Lending Government Money Market Portfolio
0.65%
7
BOND
Build Nyc Resource-C
0.52%
8
BOND
Cms Energy (floating)4.75% · Jun 2050
0.50%
9
P
PMTLT 2025-CNF1 A8PMTLT 2025-CNF1 A8
0.49%
10
BOND
Northern Trust (floating)3.375% · May 2032
0.49%
11
BOND
Global Atlantic Fin4.4% · Oct 2029
0.46%
12
B
BNP V8.5 PERP 144ABNP PARIBAS
0.46%
13
BOND
Expand Energy5.375% · Mar 2030
0.46%
14
BOND
United Airlines4.625% · Apr 2029
0.46%
15
BOND
Standard Industri Inc/Ny4.75% · Jan 2028
0.45%
16
BOND
Aust & Nz Banking Group (floating)2.57% · Nov 2035
0.45%
17
BOND
Enterprise Products Oper (floating)5.25% · Aug 2077
0.44%
18
BOND
Herc Holdings7% · Jun 2030
0.44%
19
H
HSBC V6.5 PERPHSBC HOLDINGS PLC
0.44%
20
BOND
American Airlines7.25% · Feb 2028
0.44%
Sectors tap a row to see its top 10 holdings
Top holdings — Bonds & Fixed Income
Your 10 largest positions in this sector
1
BOND
US Treasury Note4% · May 2028
9.53%
2
BOND
US Treasury Note3.875% · May 2029
3.27%
3
BOND
US Treasury Note3.75% · Dec 2028
3.06%
4
BOND
US Treasury Note4.375% · Dec 2029
2.07%
5
BOND
Build Nyc Resource-C
0.52%
6
BOND
Cms Energy (floating)4.75% · Jun 2050
0.50%
7
BOND
Northern Trust (floating)3.375% · May 2032
0.49%
8
BOND
Global Atlantic Fin4.4% · Oct 2029
0.46%
9
BOND
Expand Energy5.375% · Mar 2030
0.46%
10
BOND
United Airlines4.625% · Apr 2029
0.46%
Geography tap a row to see its top 10 holdings
Top holdings — United States
Your 10 largest positions in this country
1
G
GVMXXSTATE ST INST US GOV MM-PREM
10.99%
2
BOND
US Treasury Note4% · May 2028
9.53%
3
BOND
US Treasury Note3.875% · May 2029
3.27%
4
BOND
US Treasury Note3.75% · Dec 2028
3.06%
5
BOND
US Treasury Note4.375% · Dec 2029
2.07%
6
BOND
Build Nyc Resource-C
0.52%
7
BOND
Cms Energy (floating)4.75% · Jun 2050
0.50%
8
P
PMTLT 2025-CNF1 A8PMTLT 2025-CNF1 A8
0.49%
9
BOND
Northern Trust (floating)3.375% · May 2032
0.49%
10
BOND
Global Atlantic Fin4.4% · Oct 2029
0.46%
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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Funds similar to SDSI
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52% overlap
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ASIEXMultisector Income Fund
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ACSKXShort Duration Fund
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ACSNXShort Duration Fund
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ASDOXShort Duration Fund
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Data source: official SEC Form N-PORT filings (as of 2026-05-31); 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.