Sustainable fixed income solutions

中文标题

可持续固定收益解决方案

State Street09/04/2026updated 10/17/2026

Multiple economies

Citable research brief

Core conclusion · Tlines extraction

State Street Investment Management's report demonstrates its capabilities in delivering customized sustainable fixed income solutions for institutional investors, highlighting four case studies that showcase climate-themed strategies with carbon reduction targets, exclusion screenings, and green bond overweights, all tailored to client-specific objectives.

Institution: State Street
Published: 09/04/2026
Research topic: Climate Metrics · US Corporate Bonds · Climate Objectives
Time horizon: long · medium · short

Key arguments

Custom Portfolio Solutions offer high flexibility and customization, allowing integration of multiple data sources while achieving low tracking error to benchmarks.
The Systematic Corporate Bond Tilted Beta Strategy can be customized to include carbon reduction targets, forward-looking metrics, and green bond overweights.
Case studies show successful implementations with specific carbon reduction percentages (e.g., 30%, 50%) and year-on-year decarbonization pathways.
Risk management and monitoring are integral, with sustainability risk ratings maintained equal to or better than benchmarks.
Low tracking error is achievable, with Case Study 4 achieving around 12 basis points tracking error volatility.

Key numbers

Case Study 1 initial investment: €650 million
Case Study 1 carbon reduction target: 30% by 31 December 2024
Case Study 1 decarb path: 7.6% YoY
Case Study 2 carbon intensity reduction: 50% Scope 1 & 2
Case Study 2 temperature rise target: ≤2°C
Case Study 2 tracking error tolerance: 50 bps
Case Study 3 carbon reduction: 40%
Case Study 4 carbon reduction: 50%

Main risks

Sustainable investing strategies may underperform the broader market due to exclusions and specific criteria.
Carbon reduction targets are estimates based on assumptions and are not guaranteed.
Forward-looking metrics rely on data that may be incomplete or inaccurate.
investments in emerging markets involve higher volatility and political risks.
Fixed income securities are subject to interest rate, credit, and liquidity risks.

Corresponding source evidence

Climate — 50% Scope 1 & 2 carbon intensity reduction versus the benchmark with annual 7.6% YoY reduction kicking in from 2030 — Minimize fossil fuel reserves & brown revenue — Implied temperature rise target of ≤2°C — Carbon risk rating assessment · long
Climate 40% carbon intensity reduction versus the benchmark. 2 Exclusion List A client-specific custom exclusion list. · medium
To bring the standard indexed strategy in line with the new custom climate framework required an approximately 30% turnover over 5 days, bringing the current mandate into line with our upgraded climate framework, ensuring best execution, minimizing trading costs and staying well within the 50 basis points tracking-error tolerance level. · short

Conditions / invalidation

When transitioning to the new climate framework
If sustainability criteria lead to exclusions

Context: the conclusion is Tlines' automated extraction, not the institution's wording. Quoted evidence is publisher wording. Scope and date must travel with the conclusion.