---
ticker: "SDSI"
name: "American Century Short Duration Strategic Income ETF"
url: "https://etf.net/etf/SDSI"
grade: "B"
score: 66
graded_at: "2026-10-12"
category: "Global Aggregate Bond (Unhedged)"
category_rank: "9 of 29"
methodology: "https://etf.net/methodology"
---

# SDSI: American Century Short Duration Strategic Income ETF

Grade **B**, Score 66 of 100. Rank 9 of 29 in Global Aggregate Bond (Unhedged).

Graded Oct 12, 2026.

## Grade pillars

| Pillar | Score | Category rank |
| --- | --- | --- |
| Cost | 75 | 7 of 29 |
| Mission | 59 | 26 of 27 |
| Risk | 84 | 2 of 29 |
| Tradability | 57 | 10 of 29 |
| Holdings | 60 | 15 of 29 |
| Durability | 49 | 19 of 29 |

## Top holdings

The fund holds 421 positions. These are the largest 30, by weight.

| # | Ticker | Name | Weight |
| --- | --- | --- | --- |
| 1 | — | Us Treasury N/B 09/28 4.75 | 15.12% |
| 2 | — | Ssc Government Mm Gvmxx | 0.63% |
| 3 | — | Cco Hldgs Llc/Cap Corp Sr Unsecured 144A 02/28 5 | 0.62% |
| 4 | — | Global Atlantic Fin Co Company Guar 144A 10/29 4.4 | 0.60% |
| 5 | — | Aust & Nz Banking Group Subordinated 144A 11/35 Var | 0.59% |
| 6 | — | American Airlines Inc Sr Secured 144A 02/28 7.25 | 0.58% |
| 7 | — | Herc Holdings Inc Company Guar 144A 06/30 7 | 0.55% |
| 8 | — | Us Treasury N/B 06/27 4.625 | 0.55% |
| 9 | — | Expand Energy Corp Company Guar 03/30 5.375 | 0.55% |
| 10 | — | Us Treasury N/B 08/27 3.625 | 0.54% |
| 11 | — | Medline Borrower/Medl Co Sr Secured 144A 04/29 6.25 | 0.54% |
| 12 | — | Blue Racer Mid Llc/Finan Sr Unsecured 144A 07/29 7 | 0.52% |
| 13 | — | Permian Resourc Optg Llc Company Guar 144A 07/29 5.875 | 0.51% |
| 14 | — | Crown Castle Inc Sr Unsecured 09/29 4.9 | 0.51% |
| 15 | — | United Airlines Inc Sr Secured 144A 04/29 4.625 | 0.50% |
| 16 | — | Swedbank Ab Jr Subordina Regs 12/99 Var | 0.50% |
| 17 | — | Venture Global Lng Inc Sr Secured 144A 01/30 7 | 0.50% |
| 18 | — | Boeing Co/The Sr Unsecured 05/29 6.298 | 0.49% |
| 19 | — | Cenovus Energy Inc Sr Unsecured 03/31 4.65 | 0.48% |
| 20 | — | Global Net Lease Inc Company Guar 144A 09/28 4.5 | 0.48% |
| 21 | — | American Assets Trust Lp Company Guar 02/31 3.375 | 0.47% |
| 22 | — | Societe Generale Jr Subordina 144A 12/99 Var | 0.46% |
| 23 | — | Santander Mortgage Asset Recei San 2025 NQM3 A2 144A | 0.45% |
| 24 | — | Fedex Freight Holding Co Company Guar 144A 03/31 4.65 | 0.44% |
| 25 | — | Chase Mortgage Finance Corpora Chase 2026 9 A6 144A | 0.44% |
| 26 | — | Advance Auto Parts Company Guar 144A 08/30 7 | 0.43% |
| 27 | — | Applovin Corp Sr Unsecured 12/29 5.125 | 0.43% |
| 28 | — | Acadia Healthcare Co Inc Company Guar 144A 04/29 5 | 0.43% |
| 29 | — | Chase Mortgage Finance Corpora Chase 2026 9 A4A 144A | 0.42% |
| 30 | — | Citigroup Inc Jr Subordina 12/99 Var | 0.42% |

Source: etf.net, https://etf.net/etf/SDSI. Please cite the page URL.