Company: ETY
Filing Date: 2025-02-14
Form Type: N-2ASR
Source: 0001193125-25-026876
Chunk: 1

Company: Eaton Vance Tax-Managed Diversified Equity Income Fund
Filing Date: 2025-02-14
Form: N-2ASR
Chunk 1
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 | This post-effective amendment designates a new effective date for a previously filed registration statement. |

| ☐ | This form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act and the Securities Act registration statement number of the earlier effective registration statement for the same offering is ________. |

| ☐ | This Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, and the Securities Act registration statement number of the earlier effective registration statement for the same offering is________. |

| ☐ | This Form is a post-effective amendment filed pursuant to Rule 462(d) under the Securities Act, and the Securities Act registration statement number of the earlier effective registration statement for the same offering is________. |

Check each box that appropriately characterizes the Registrant:

| ☑ | Registeredclosed-endfund(closed-endcompany that is registered under the Investment Company Act of 1940 (“Investment Company Act”)). |

| ☐ | Business development company(closed-endcompany that intends or has elected to be regulated as a business development company under the Investment Company Act). |

| ☐ | Interval fund (RegisteredClosed-EndFund or a Business Development Company that makes periodic repurchase offers under Rule23c-3under the Investment Company Act). |

| ☑ | A.2 Qualified (qualified to register securities pursuant to General Instruction A.2 of this Form). |

| ☑ | Well-Known Seasoned Issuer (as defined by Rule 405 under the Securities Act). |

| ☐ | Emerging Growth Company (as defined by Rule12b-2under the Securities Exchange Act of 1934 (“Exchange Act”). |

| ☐ | If an Emerging Growth Company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of Securities Act. |

| ☐ | New Registrant (registered or regulated under the Investment Company Act for less than 12 calendar months preceding this filing). |

BASE PROSPECTUS Up to 16,705,649 Shares Eaton Vance Tax-ManagedDiversified Equity Income Fund Common Shares Investment Objectives and Policies.Eaton Vance Tax-ManagedDiversified Equity Income Fund (the “Fund”) is a diversified, closed-endmanagement investment company that commenced operations on November 27, 2006. The Fund’s primary investment objective is to provide current income and gains, with