---
ticker: "FUSI"
name: "American Century Ultrashort Income ETF"
url: "https://etf.net/etf/FUSI"
grade: "B"
score: 63
graded_at: "2026-10-12"
category: "Collateralized Loan Obligations (CLO)"
category_rank: "9 of 34"
methodology: "https://etf.net/methodology"
---

# FUSI: American Century Ultrashort Income ETF

Grade **B**, Score 63 of 100. Rank 9 of 34 in Collateralized Loan Obligations (CLO).

Graded Oct 12, 2026.

## Grade pillars

| Pillar | Score | Category rank |
| --- | --- | --- |
| Cost | 83 | 1 of 34 |
| Mission | Not scored | — |
| Risk | 67 | 11 of 33 |
| Tradability | 33 | 26 of 34 |
| Holdings | 55 | 20 of 34 |
| Durability | 50 | 22 of 34 |

## Top holdings

The fund holds 160 positions. These are the largest 30, by weight.

| # | Ticker | Name | Weight |
| --- | --- | --- | --- |
| 1 | — | Us Treasury Frn 01/27 Var | 11.94% |
| 2 | — | Lcm Ltd Partnership Lcm 35A Br 144A | 1.51% |
| 3 | — | Kkr Financial Clo Ltd Kkr 2025 61A A1R 144A | 1.14% |
| 4 | — | Atlas Senior Loan Fund Ltd Atclo 2021 17A B1 144A | 1.14% |
| 5 | — | Oak Hill Credit Oakc 2024 17RA A1 144A | 1.13% |
| 6 | — | Goldentree Loan Management Us Glm 2024 19A Ar 144A | 1.13% |
| 7 | — | Fannie Mae Fnr 2025 35 Hf | 0.96% |
| 8 | — | Ssc Government Mm Gvmxx | 0.86% |
| 9 | — | Freddie Mac Stacr Stacr 2025 HQA1 M1 144A | 0.83% |
| 10 | — | Firstkey Homes Trust Fkh 2022 SFR2 A 144A | 0.82% |
| 11 | — | Extended Stay America Trust Esa 2025 Esh B 144A | 0.80% |
| 12 | — | Fannie Mae Cas Cas 2022 R09 2M1 144A | 0.78% |
| 13 | — | Acres PLC Acres 2025 FL3 C 144A | 0.76% |
| 14 | — | Upstart Securitization Trust Upst 2024 1 B 144A | 0.76% |
| 15 | — | Dwight 2025 FL1 Issuer Llc Dwight 2025 FL1 A 144A | 0.76% |
| 16 | — | Apidos Clo Apid 2026 58A A1 144A | 0.76% |
| 17 | — | Brant Point Clo Ltd Brtpt 2023 1A Br 144A | 0.76% |
| 18 | — | Magnetite Clo Ltd Magne 2024 47A C 144A | 0.76% |
| 19 | — | Freddie Mac Stacr Stacr 2025 DNA2 M2 144A | 0.76% |
| 20 | — | Fs Rialto Issuer Ltd Fsria 2024 FL9 A 144A | 0.76% |
| 21 | — | Symphony Clo Ltd Symp 2022 31A Cr 144A | 0.76% |
| 22 | — | Madison Park Funding Ltd Mdpk 2019 34A Crr 144A | 0.76% |
| 23 | — | Diameter Capital Clo Dclo 2024 7A A1R 144A | 0.76% |
| 24 | — | Babson Clo Ltd Babsn 2019 1A BR2 144A | 0.76% |
| 25 | — | Anchorage Capital Clo Ltd Anchc 2016 9A BR4 | 0.76% |
| 26 | — | Bsprt Issuer, Ltd. Bsprt 2025 FL12 A 144A | 0.76% |
| 27 | — | Benefit Street Partners Clo Lt Bsp 2022 26A Arr 144A | 0.76% |
| 28 | — | Bx Trust Bx 2026 Csmo A 144A | 0.76% |
| 29 | — | Santander Drive Auto Receivabl Sdart 2026 SRT1 B 144A | 0.76% |
| 30 | — | Madison Park Funding Ltd Mdpk 2019 36A B1RR 144A | 0.76% |

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