# EDGAR Filing Document

**Accession Number:** 0000701039
**File Stem:** 0001133228-26-001777
**Filing Date:** 2026-2
**Character Count:** 7997
**Document Hash:** a14754cac34d08b5cad98c734932e269
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001133228-26-001777.hdr.sgml**: 20260220

**ACCESSION NUMBER**: 0001133228-26-001777

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260220

**DATE AS OF CHANGE**: 20260220

**EFFECTIVENESS DATE**: 20260220

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Calvert Fund
- **CENTRAL INDEX KEY:** 0000701039

**ORGANIZATION NAME:**
- **EIN:** 526228948
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 0930

**FILING VALUES:**
- **FORM TYPE:** 497K
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-76510
- **FILM NUMBER:** 26659873

**BUSINESS ADDRESS:**
- **STREET 1:** 2050 M STREET NW
- **CITY:** WASHINGTON
- **STATE:** DC
- **ZIP:** 20036
- **BUSINESS PHONE:** 8002256265

**MAIL ADDRESS:**
- **STREET 1:** 2050 M STREET NW
- **CITY:** WASHINGTON
- **STATE:** DC
- **ZIP:** 20036

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CALVERT FUND
- **DATE OF NAME CHANGE:** 19920703

## Series and Classes Contracts Data

### Calvert Mortgage Access Fund (Series ID: S000076002)

| Class ID   | Class Name                            | Ticker Symbol   |
|:---|:---|:---|
| C000235421 | Calvert Mortgage Access Fund Class R6 | CMMRX           |
| C000235422 | Calvert Mortgage Access Fund Class A  | CMMAX           |
| C000235423 | Calvert Mortgage Access Fund Class C  | CMMCX           |
| C000235424 | Calvert Mortgage Access Fund Class I  | CMMIX           |

**EATON VANCE CALVERT MORTGAGE ACCESS FUND**

**(the "Fund")**

**Supplement to Summary Prospectus, Statutory Prospectus and**

**Statement of Additional Information ("SAI") dated February 1, 2026**

**as may be supplemented and/or revised from time to time**

**The following changes are effective immediately:**

**1. The following replaces "Portfolio Managers" under "Management" in "Fund Summary" in the Fund's Summary Prospectus and Statutory Prospectus:**

**Portfolio Managers**

---

| | | |
|:---|:---|:---|
| Name | Title | Date Began Managing Fund |
| Gregory A. Finck | Managing Director of Morgan Stanley and Vice President of CRM | February 2026 |
| Tara O'Brien | Executive Director of Morgan Stanley and Vice President of CRM | February 2026 |
| Andrew Szczurowski, CFA | Managing Director of Morgan Stanley and Vice President of CRM | April 2022 |

---

**2. The following replaces the sixteenth paragraph under "Mortgage Access Fund" under "Management." in "Management and Organization" in the Fund's Statutory Prospectus:**

**Mortgage Access Fund.** Pursuant to its investment advisory agreement for the Fund, CRM receives a monthly advisory fee equal to 0.28% annually of the Fund's average daily net assets. For the fiscal year ended September 30, 2025, the effective annual rate of advisory fee paid to CRM was 0.28% of average daily net assets. The portfolio managers of the Fund are Gregory A. Finck (since February 2026), Tara O'Brien (since February 2026) and Andrew Szczurowski, CFA (since inception). Messrs. Finck and Szczurowski are Managing Directors of Morgan Stanley and Vice Presidents of CRM. Ms. O'Brien is an Executive Director of Morgan Stanley and Vice President of CRM. Messrs. Finck and Szczurowski and Ms. O'Brien have been employees of the Morgan Stanley organization for more than five years and currently manage other funds and portfolios.

**3. The following tables replace the tables under "Portfolio Managers." in "Investment Advisory and Administrative Services" in the Fund's SAI:**

---

| | | | | |
|:---|:---|:---|:---|:---|
| | **Number of**<br> **All Accounts** | **Total Assets of**<br> **All Accounts** | **Number of Accounts**<br> **Paying a Performance Fee** | **Total Assets of Accounts**<br> **Paying a Performance Fee** |
| Justin H. Bourgette, CFA |  |  |  |  |
| Registered Investment Companies<sup>1</sup> | 12 | $39208.4 | 0 | $0 |
| Other Pooled Investment Vehicles | 19 | $4472.9 | 0 | $0 |
| Other Accounts | 17 | $10179.8 | 1 | $312.6 |
| Stephen C. Concannon, CFA |  |  |  |  |
| Registered Investment Companies<sup>1</sup> | 7 | $10227.7 | 0 | $0 |
| Other Pooled Investment Vehicles | 9 | $2701.5 | 0 | $0 |
| Other Accounts | 17 | $10017.0 | 0 | $0 |

---

---

| | | | | |
|:---|:---|:---|:---|:---|
| | **Number of**<br> **All Accounts** | **Total Assets of**<br> **All Accounts** | **Number of Accounts**<br> **Paying a Performance Fee** | **Total Assets of Accounts**<br> **Paying a Performance Fee** |
| Brian S. Ellis, CFA |  |  |  |  |
| Registered Investment Companies<sup>1</sup> | 19 | $26645.8 | 0 | $0 |
| Other Pooled Investment Vehicles | 4 | $1195.2 | 0 | $0 |
| Other Accounts | 26 | $8810.2 | 0 | $0 |
| Gregory A. Finck<sup>2</sup> |  |  |  |  |
| Registered Investment Companies<sup>1</sup> | 4 | $5130.5 | 0 | $0 |
| Other Pooled Investment Vehicles | 7 | $408.0 | 0 | $0 |
| Other Accounts | 8 | $3999.9 | 1 | $392.2 |
| Bo Hunt |  |  |  |  |
| Registered Investment Companies<sup>1</sup> | 8 | $11843.4 | 0 | $0 |
| Other Pooled Investment Vehicles | 14 | $3943.4 | 0 | $0 |
| Other Accounts | 18 | $10329.6 | 1 | $312.6 |
| Vishal Khanduja, CFA |  |  |  |  |
| Registered Investment Companies<sup>1</sup> | 14 | $24620.8 | 0 | $0 |
| Other Pooled Investment Vehicles | 15 | $10001.1 | 0 | $0 |
| Other Accounts | 43 | $10907.0 | 5 | $2387.2 |
| Tara O'Brien<sup>2</sup> |  |  |  |  |
| Registered Investment Companies<sup>1</sup> | 1 | $2238.3 | 0 | $0 |
| Other Pooled Investment Vehicles | 0 | $0 | 0 | $0 |
| Other Accounts | 0 | $0 | 0 | $0 |
| Andrew Szczurowski<sup>3</sup> |  |  |  |  |
| Registered Investment Companies<sup>1</sup> | 10 | $35387.2 | 0 | $0 |
| Other Pooled Investment Vehicles | 1 | $163.8 | 0 | $0 |
| Other Accounts | 0 | $0 | 0 | $0 |

---

**<sup>1</sup>** Includes the Fund.

**<sup>2</sup>** As of December 31, 2025.

**<sup>3</sup>** This portfolio manager serves as portfolio manager of one or more registered investment companies and/or pooled investment vehicles that invest or may invest in one or more underlying registered investment companies and/or separate pooled investment vehicles in the Eaton Vance family of funds. The underlying investment companies may be managed by this portfolio manager or another portfolio manager.

The following table shows the dollar range of equity securities beneficially owned (or held notionally through IMAP) in a Fund by its portfolio manager(s) as of the Funds' most recent fiscal year ended September 30, 2025 and in the Calvert family of funds as of December 31, 2025.

---

| | | |
|:---|:---|:---|
| **Fund Name and Portfolio Managers** | **Dollar Range of Equity Securities**<br> **Beneficially Owned in the Fund** | **Aggregate Dollar Range of Equity**<br> **Securities Beneficially Owned in**<br> **the Calvert Family of Funds** |
| **Bond Fund** | | |
| Brian S. Ellis, CFA | $10001 - $50000 | $100001 - $500000 |
| Vishal Khanduja, CFA | $10001 - $50000 | Over $1,000,000 |
| **Core Bond Fund** |  |  |
| Brian S. Ellis, CFA | $1 - $10000 | $100001 - $500000 |
| Vishal Khanduja, CFA | $1 - $10000 | Over $1,000,000 |
| **Green Bond Fund** |  |  |
| Brian S. Ellis, CFA | $1 - $10000 | $100001 - $500000 |
| Vishal Khanduja, CFA | $1 - $10000 | Over $1,000,000 |
| **High Yield Bond Fund** |  |  |
| Justin H. Bourgette, CFA |  | $100001 - $500000 |
| Stephen C. Concannon, CFA |  |  |
| Bo Hunt |  |  |
| **Income Fund** |  |  |
| Brian S. Ellis, CFA | $50001-$100000 | $100001 - $500000 |
| Vishal Khanduja, CFA | $10001 - $50000 | Over $1,000,000 |
| **Mortgage Access Fund** |  |  |
| Gregory A. Finck<sup>1</sup> |  |  |
| Tara O'Brien<sup>1</sup> |  | $1 - $10000 |
| Andrew Szczurowski, CFA | $100001 - $500000 | $100001 - $500000 |
| **Short Duration Income Fund** |  |  |
| Brian S. Ellis, CFA | $50001 - $100000 | $100001 - $500000 |
| Vishal Khanduja, CFA | $50001 - $100000 | Over $1,000,000 |

---

**<sup>1</sup>** As of December 31, 2025.

---

| | |
|:---|:---|
| &nbsp;&nbsp;**February 20, 2026** | **48670-00 2.20.26** |

---