# EDGAR Filing Document

**Accession Number:** 0001105076
**File Stem:** 0001104659-25-094837
**Filing Date:** 2025-9
**Character Count:** 2871
**Document Hash:** 70194755ede3ff73681cb6bfbbed1b3b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-25-094837.hdr.sgml**: 20250930

**ACCESSION NUMBER**: 0001104659-25-094837

**CONFORMED SUBMISSION TYPE**: 497J

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250930

**DATE AS OF CHANGE**: 20250930

**EFFECTIVENESS DATE**: 20250930

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ARBITRAGE FUNDS
- **CENTRAL INDEX KEY:** 0001105076

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0531

**FILING VALUES:**
- **FORM TYPE:** 497J
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-30470
- **FILM NUMBER:** 251358919

**BUSINESS ADDRESS:**
- **STREET 1:** C/O WATER ISLAND CAPITAL, LLC
- **STREET 2:** 104 FIFTH AVENUE, 9TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10011
- **BUSINESS PHONE:** 800-560-8210

**MAIL ADDRESS:**
- **STREET 1:** C/O WATER ISLAND CAPITAL, LLC
- **STREET 2:** 104 FIFTH AVENUE, 9TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10011

## Series and Classes Contracts Data

### ARBITRAGE FUND (Series ID: S000006440)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000017637 | Class R      | ARBFX           |
| C000017638 | Class I      | ARBNX           |
| C000115401 | Class C      | ARBCX           |
| C000127228 | Class A      | ARGAX           |

### WATER ISLAND EVENT-DRIVEN FUND (Series ID: S000030113)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000092484 | Class R      | AEDFX           |
| C000092485 | Class I      | AEDNX           |
| C000127229 | Class A      | AGEAX           |

### WATER ISLAND CREDIT OPPORTUNITIES FUND (Series ID: S000039281)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000120977 | Class R      | ARCFX           |
| C000120978 | Class I      | ACFIX           |
| C000127230 | Class A      | AGCAX           |

September 30, 2025

U.S. Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

VIA EDGAR

RE: The Arbitrage Funds (the "Trust") <br> (<u>File Nos. 333-30470; 811-09815</u>)

Ladies and Gentlemen:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended, we are transmitting for filing via EDGAR on behalf of the Trust this letter as certification that the Prospectus and Statement of Additional Information for The Arbitrage Funds, each dated September 26, 2025, do not differ from those contained in Post Effective Amendment No. 53 to the Trust's Registration Statement on Form N-1A that was filed electronically via EDGAR on September 26, 2025 (Accession #0001104659-25-093809).

Should you have any questions or comments regarding this filing, please contact the undersigned at (617) 662-1504.

Very truly yours,

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| |
|:---|
| /s/ Brian Link |
| Brian Link |
| Managing Director and Managing Counsel |
| State Street Bank and Trust Company |

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