---
title: "Active Bond ETF Boom Continues With Two New Funds Targeting Bloomberg Aggregate"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/291008796.md"
description: "Natixis Investment Managers and Loomis Sayles launched two new active bond ETFs, LSTB and LSCP, to outperform the Bloomberg U.S. Aggregate Bond Index. This expansion reflects growing investor demand for actively managed fixed income funds offering tax efficiency and liquidity. The funds leverage established mutual fund strategies with $25 billion in assets, joining a category seeing significant inflows from competitors like PIMCO and JPMorgan."
datetime: "2026-06-26T20:40:21.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/291008796.md)
  - [en](https://longbridge.com/en/news/291008796.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/291008796.md)
generator: "portal-rs"
---

# Active Bond ETF Boom Continues With Two New Funds Targeting Bloomberg Aggregate

**Natixis Investment Managers** and **Loomis Sayles & Company** have expanded their actively managed ETF lineup with the launch of two fixed income funds: the **Natixis Loomis Sayles Total Return Bond ETF (NYSE:LSTB)** and the **Natixis Loomis Sayles Dynamic Core Plus ETF (NYSE:LSCP)**.

Both funds began trading on Wednesday.

The launches come as investor appetite for actively managed bond ETFs continues to accelerate, with managers increasingly packaging established mutual fund strategies into ETF wrappers that offer greater tax efficiency, transparency, and intraday liquidity. 

### Key Features

-   **Expense ratio:** **0.39%** for both funds
-   **Objective:** Seek to outperform the **Bloomberg U.S. Aggregate Bond Index**.
-   **Benchmark exposure:** The index tracks the U.S. investment-grade bond market, including U.S. Treasuries, corporate bonds, and asset-backed securities
-   **LSTB strategy:** Invests across multiple fixed income sectors, maturities, and credit ratings to pursue total return through capital appreciation and income
-   **Research approach:** Focuses on identifying undervalued bonds using proprietary issuer credit research, with macro and interest rate views serving as secondary considerations
-   **LSCP strategy:** Maintains an effective duration within about 1.5 years of the benchmark to manage interest rate sensitivity
-   **Portfolio construction:** Combines benchmark sectors with out-of-benchmark “Plus” sectors using top-down macroeconomic analysis for sector allocation, duration, and liquidity, alongside bottom-up fundamental security selection
-   **Built on proven strategies:** Based on flagship Loomis Sayles mutual funds managing roughly **$25 billion** in combined assets

Loomis Sayles said the new ETFs build on two flagship mutual fund strategies with approximately $25 billion in combined assets, extending the firm’s long-standing active fixed income expertise to ETF investors. 

The category has attracted significant flows this year, led by the **PIMCO Multisector Bond Active ETF (NYSE:PYLD)** with **$4.4 billion** in inflows, according to ETFDb, and the **JPMorgan Core Plus Bond ETF (NYSE:JCPB)** with **$4.1 billion**.

 **Read Also: Software ETFs Are Finally Catching An AI Tailwind** 

*Photo: Shutterstock*

### Related Stocks

- [LSCP.US](https://longbridge.com/en/quote/LSCP.US.md)
- [LSTB.US](https://longbridge.com/en/quote/LSTB.US.md)
- [PYLD.US](https://longbridge.com/en/quote/PYLD.US.md)
- [JCPB.US](https://longbridge.com/en/quote/JCPB.US.md)

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> **Disclaimer: This article is for reference only and does not constitute any investment advice.**