Form 8-A12B VANGUARD FIXED INCOME

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-A

FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES

PURSUANT TO SECTION 12(b) OR (g) OF THE

SECURITIES EXCHANGE ACT OF 1934

VANGUARD FIXED INCOME SECURITIES

FUNDS

(Exact name of registrant as specified in its charter)

STATE OF DELAWARE		SEE BELOW
(State or other jurisdiction of incorporation or organization)		(I.R.S. Employer Identification No.)
C/O VANGUARD FIXED INCOME SECURITIES FUNDS
P.O. BOX 2600
VALLEY FORGE, PA	19482
(Address of principal executive offices)		(Zip Code)

Securities to be registered pursuant to Section 12(b) of the Act:

Title of each class is	Exchange	I.R.S. Employer
to be registered		Identification No.
Vanguard High-Yield Active ETF	Cboe BZX Exchange, Inc.	39-2999372

If this form relates to the registration of a class of securities pursuant to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c) or (e), check the following box. x

If this form relates to the registration of a class of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d) or (e), check the following box. ¨

If this form relates to the registration of a class of securities concurrently with a Regulation A offering, check the following box. ¨

Securities Act registration statement file number to which this form relates: 2-47371

Securities to be registered pursuant to Section 12(g) of the Act: None.

INFORMATION REQUIRED IN REGISTRATION STATEMENT

Item 1. Description of Registrant’s Securities to be Registered.

Reference is made to the Trust’s Registration Statement on Form N-1A (Securities Act file number 2- 47371 and Investment Company Act file number 811-02368, respectively (collectively, the "Registration Statement"), which is incorporated herein by reference.

Item 2. Exhibits.

1.Registrant's Declaration of Trust is filed herewith.

2.Registrant's By-Laws are filed herewith.

3.Form of Global Certificate for the Registrant's Securities is filed herewith.

SIGNATURE

Pursuant to the requirements of Section l2 of the Securities Exchange Act of 1934, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereto duly authorized.

Registrant:	VANGUARD FIXED INCOME SECURITIES FUNDS
Date:	September 3, 2025
By:	/s/ John E. Schadl
	John E. Schadl
	Assistant Secretary