UNITED STATES SECURITIES AND EXCHANGE COMMISSION ~~Washington, DC 20549~~

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): ~~July 14~~September 1, 2005

Refco Group Ltd., LLC Refco Finance Inc. ~~(Exact name of registrant as specified in its charter)~~

~~Delaware Delaware~~ (~~State~~Exact orname ~~other jurisdiction~~ of ~~incorporation)~~registrant ~~333-119701~~as specified ~~333-119701~~in ~~(Commission~~its ~~File Number~~charter) ~~52-2169014 20-1400416 (IRS Employer Identification No.)~~

One World Financial Center 200 Liberty Street, Tower A New York, New York (Address of principal executive offices) 10281 (Zip Code)

Delaware	333-119701	52-2169014
Delaware	333-119701	20-1400416
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

One World Financial Center 200 Liberty Street, Tower A New York, New York		10281
(Address of principal executive offices)		(Zip Code)

Registrant'’s ~~telephone~~ telephone number, including area code: (212) 693-7000

Not Applicable.
(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o Written communication pursuant to Rule 425 under the Securities ~~Item~~Act ~~7.01. Regulation~~(17 FDCFR ~~Disclosure~~ 230.425)

Ono Soliciting ~~July 14,~~material ~~2005,~~pursuant ~~Refco~~to ~~Group~~Rule ~~Ltd.,~~14a-12 ~~LLC~~under ~~issued~~the aExchange ~~press~~Act (17 ~~release.~~CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under ~~Item~~the ~~9.01. Financial~~Exchange ~~Statements~~Act ~~and~~(17 ~~Exhibits~~ CFR 240.14d-2(b))

2o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01. ~~SIGNATURES~~ Other Events

~~Pursuant~~On September to1, ~~the~~2005, ~~requirements~~Refco ofGroup ~~the~~Ltd., ~~Securities~~LLC, ~~Exchange~~a ~~Act~~wholly-owned subsidiary of ~~1934~~Refco Inc., announced the ~~registrant~~completion ~~has~~of ~~duly caused this report to be signed on~~ its ~~behalf~~acquisition byof the ~~undersigned~~global brokerage ~~hereunto~~operations ~~duly~~of ~~authorized.~~Cargill Investor Services.

		Refco Group Ltd., LLC
Date: July 14, 2005		By:	/s/ PHILLIP R. BENNETT Name: Phillip R. Bennett Title: President and Chief Executive Officer

Item 9.01. Financial Statements and Exhibits

(c)	Exhibits

99.1	Press Release, dated September 1, 2005.

~~SIGNATURES~~ 2

~~Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.~~ SIGNATURES

		Refco Finance Inc.
Date: July 14, 2005		By:	/s/ PHILLIP R. BENNETT Name: Phillip R. Bennett Title: President

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	Refco Group Ltd., LLC

Date: September 1, 2005	By:	/s/ PHILLIP R. BENNETT
		Name: Phillip R. Bennett Title: President and Chief Executive Officer

~~QuickLinks~~3

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	Refco Finance Inc.

Date: September 1, 2005	By:	/s/ PHILLIP R. BENNETT
		Name: Phillip R. Bennett Title: President

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