Total Holdings
418
As of Oct 4, 2026
American Century Short Duration Strategic Income ETF
SDSINASDAQAmerican Century InvestmentsFixed Income
$50.51Today:- (-)1Y −2.62%
As of Oct 16, 2026 close
- Assets (AUM)
- $305.40M
- Expense ratio
- 0.32%
- Dividend yield
- 4.79%
- Holdings
- 418
- 52-week range
- $50.37$52.04
- Volume (live)
- -
- Avg. volume (3M)
- 57.86K
SDSI ETF Holdings: American Century Short Duration Strategic Income ETF
Every listed position with its portfolio weight, plus sector breakdown and geographic exposure for this Fixed Income ETF. Analyze fund diversification and concentration.
Top 10 Holdings
17.8%
Share of fund assets
Assets (AUM)
$305.40M
Total fund assets
Expense Ratio
0.32%
Annual management fee
Portfolio Allocations
Distribution breakdown by sector, asset type, and geographic region. Understand the fund's diversification strategy across markets and asset classes.
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Top 22 of 418 SDSI Holdings by Portfolio Weight
Holdings as of Oct 4, 2026. Ticker, name, asset type and portfolio weight for each position. Fund disclosures available to us list the largest 22 positions.
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| # | Symbol | Name | Type | Weight |
|---|---|---|---|---|
| 1 | T.4.75 09.30.28 | US TREASURY N/B 09/28 4.75 | Stock | 12.80% |
| 2 | ANZ.V2.57 11.25.35 144A | Australia & New Zealand Banking Group Ltd. 2.57% | Stock | 0.60% |
| 3 | CHTR.5 02.01.28 144A | CCO Holdings, LLC/ CCO Holdings Capital Corp. 5% | Stock | 0.59% |
| 4 | GBLATL.4.4 10.15.29 144A | Global Atlantic Finance Co. 4.4% | Stock | 0.57% |
| 5 | T.3.625 08.31.27 | United States Treasury Notes 3.625% | Stock | 0.56% |
| 6 | AAL.7.25 02.15.28 144A | American Airlines, Inc. 7.25% | Stock | 0.56% |
| 7 | T.4.625 06.15.27 | United States Treasury Notes 4.625% | Stock | 0.56% |
| 8 | HRI.7 06.15.30 144A | Herc Holdings Inc 7% | Stock | 0.52% |
| 9 | EXE.5.375 03.15.30 | Expand Energy Corp. 5.375% | Stock | 0.52% |
| 10 | SWEDA.V7.75 PERP | Swedbank AB (publ) 7.75% | Stock | 0.51% |
| 11 | MEDIND.6.25 04.01.29 144A | Medline Borrower LLP / Medline Co-Issuer Inc. 6.25% | Stock | 0.51% |
| 12 | CCI.4.9 09.01.29 | Crown Castle Inc. 4.9% | Stock | 0.49% |
| 13 | UAL.4.625 04.15.29 144A | United Air Lines, Inc. 4.625% | Stock | 0.49% |
| 14 | BLURAC.7 07.15.29 144A | Blue Racer Midstream, LLC / Blue Racer Finance Corp 7% | Stock | 0.49% |
| 15 | PR.5.875 07.01.29 144A | Permian Resources Operating, LLC 5.875% | Stock | 0.48% |
| 16 | VENLNG.7 01.15.30 144A | Venture Global LNG Inc. 7% | Stock | 0.48% |
| 17 | AAT.3.375 02.01.31 | American Assets Trust L P 3.375% | Stock | 0.46% |
| 18 | SAN.2025-NQM3 A2 | SANTANDER MORTGAGE ASSET RECEIVABLE TRUST 2025-NQM3 5.852% | Stock | 0.46% |
| 19 | BA.6.298 05.01.29 | Boeing Co. 6.298% | Stock | 0.46% |
| 20 | CHASE.2026-9 A6 | CHASE HOME LENDING MORTGAGE TRUST 2026-9 5.5% | Stock | 0.45% |
| 21 | GNL.4.5 09.30.28 144A | Global Net Lease Inc / Global Net Lease Operating Partnership LP 4.5% | Stock | 0.45% |
| 22 | CVECN.4.65 03.20.31 | Cenovus Energy Inc 4.65% | Stock | 0.45% |
Source: Fund holdings disclosures. Data as of Oct 4, 2026. Data sources and methodology
Frequently Asked Questions About American Century Short Duration Strategic Income ETF Holdings
What are the top holdings in SDSI?
As of Oct 4, 2026, American Century Short Duration Strategic Income ETF (SDSI) holds 418 securities. The largest are US TREASURY N/B 09/28 4.75 (12.80%), Australia & New Zealand Banking Group Ltd. 2.57% (0.60%), CCO Holdings, LLC/ CCO Holdings Capital Corp. 5% (0.59%). The holdings table lists each position by portfolio weight with its ticker, name and asset type.
How concentrated is SDSI's portfolio?
As of Oct 4, 2026, the 10 largest positions make up 17.8% of SDSI's assets. A concentrated portfolio has fewer large positions with higher individual weights, while a diversified portfolio distributes holdings more evenly.
What is SDSI's sector allocation?
The Sector Allocation chart shows how SDSI distributes investments across different industries like Technology, Healthcare, Financials, and more. This sector exposure helps understand the fund's industry diversification strategy.
What countries does SDSI invest in?
SDSI's geographic exposure is shown in the Countries tab under Portfolio Allocations. This reveals the fund's international diversification and exposure to different regions and global markets.
How diversified is SDSI ETF?
SDSI's diversification can be assessed by reviewing its 418 holdings (as of Oct 4, 2026), sector allocation, and geographic exposure. A well-diversified ETF spreads investments across multiple securities, sectors, and regions to reduce concentration risk.