NERNX — Loomis Sayles Core Plus Bond Fund
Data updated: 2026-05-29
NERNX — Loomis Sayles Core Plus Bond Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Total / Aggregate Bond · $7.90B AUM · 0.39% expense ratio · 5.0% 1-yr return. From SEC regulatory filings.
NERNX Fund Overview
NERNX — Loomis Sayles Core Plus Bond Fund is a US mutual fund managed by Natixis Funds Trust I, categorised as Long Total / Aggregate Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Natixis Funds Trust I
- Category: Long Total / Aggregate Bond
- Assets under management: $7.90B
- 1-year return: 5.0%
- Ticker: NERNX
- SEC CIK: 0000770540
- SEC series ID: S000006660
- Share class ID: C000125481
NERNX Holdings
Top 10 holdings of Loomis Sayles Core Plus Bond Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| United States Treasury | 4.06% |
| United States Treasury | 2.82% |
| United States Treasury | 2.29% |
| United States Treasury | 2.13% |
| United States Treasury | 2.04% |
| United States Treasury | 1.77% |
| United States Treasury | 1.73% |
| United States Treasury | 1.61% |
| United States Treasury | 1.56% |
| Fannie Mae | 1.33% |
NERNX Portfolio Allocation
Asset-class allocation of Loomis Sayles Core Plus Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 67.4% |
| Securitized | 32.4% |
| Cash & Equivalents | 2.5% |
NERNX Performance
Total returns for NERNX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.0% |
| 1 year | 5.0% |
| 3 years (annualised) | 3.7% |
| 5 years (annualised) | 0.6% |
NERNX Risk Information
Risk metrics for NERNX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 3.8%
NERNX Costs and Fees
NERNX costs about $39 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.39%
- Gross expense ratio: 0.39%
- Portfolio turnover: 164%
- Brokerage commissions: 0.14 bps of average net assets (SEC N-CEN)
NERNX Cashflows
Over the 12 months to 2026-03, Loomis Sayles Core Plus Bond Fund had net outflows of $22.43M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | $1.06M |
| 2026-02 | $49.84M |
| 2026-01 | $77.68M |
| 2025-12 | $63.93M |
| 2025-11 | $49.24M |
| 2025-10 | $106.93M |
NERNX Debt Constituents
Largest debt holdings of Loomis Sayles Core Plus Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury | 4.06% |
| United States Treasury | 2.82% |
| United States Treasury | 2.29% |
| United States Treasury | 2.13% |
| United States Treasury | 2.04% |
| United States Treasury | 1.77% |
| United States Treasury | 1.73% |
| United States Treasury | 1.61% |
| United States Treasury | 1.56% |
| United States Treasury | 1.31% |
NERNX Prospectus and SEC Filings
Official Loomis Sayles Core Plus Bond Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Long Total / Aggregate Bond funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.