UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 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): January 612, 2006

S&P Managed Futures Index Fund, LP

(Exact name of registrant as specified in its charter)

Delaware	000-50565	90-0080448
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification Number)
(State or other	(Commission	(IRS Employer
c/o RefcoFund Holdings, LLC One World Financial Center 200 Liberty Street – Tower A New York, New York 10281
jurisdiction	File Number)	Identification
(Address of principal executive offices)
of incorporation)		Number)
	c/o RefcoFund Holdings, LLC
	One World Financial Center 200 Liberty Street – Tower A New York, New York 10281
	(Address of principal executive offices)
(212) 693-7000
(Registrant’s telephone number, including area code)

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:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a- 12) o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a- 12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

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

Item 8.01. Other Events.

Current Status of Fund Operations.

As stated in the notice provided by PlusFunds Group, Inc. (“PlusFunds”), the investment manager of the SPhinX Managed Futures Fund SPC (the “SPhinX Fund”) in, ~~which all or substantially all of~~ the ~~assets of S&P Managed Futures~~ ~~Index~~Bankruptcy ~~Fund,~~Court ~~LP (the “Fund”) are invested,~~ has ~~imposed~~rescheduled ~~restrictions on~~ the ~~payment~~ oftrial ~~any~~date ~~and~~with ~~all~~respect ~~redemption~~to ~~requests, as set forth in~~ the ~~notice to~~preference ~~investors~~action ~~distributed~~against bythe ~~PlusFunds~~SPhinX ~~on January 6, 2006~~Fund. ~~The~~It ~~notice~~ is ~~attached hereto as Exhibit 99.1~~ ~~and~~anticipated ~~is hereby incorporated by reference. The Fund has requested~~ that ~~PlusFunds convert all of~~ the ~~SPhinX~~Judge ~~Fund’s positions~~will toset ~~cash~~a ashearing ~~soon~~date asof ~~possible so as not to subject investors to additional market risk. Until such time as PlusFunds acts~~ on ~~such request,~~ or isabout ~~compelled to act on such request~~March 31, ~~investor money will continue to be subject to certain market risk~~2006. ~~While~~A ~~investors~~copy ~~who requested redemptions as~~ of ~~December 15,~~the ~~2005~~notice ~~currently~~to ~~have their redemption proceeds held in cash but unavailable for distribution by PlusFunds,~~ investors ~~who held shares in the~~ ~~Fund~~distributed ~~as of December 31, 2005 had their market exposure reduced~~ by ~~20% as of January 1, 2006. Pursuant to an agreement between the Fund and~~ PlusFunds, it is ~~expected~~attached ~~that another 20% will be converted to cash~~ as ~~of January~~Exhibit ~~15, 2006, and the balance will be converted to cash as of February~~ 99.1, ~~2006~~hereto.

~~Management~~Due ~~Fee~~to ~~and~~the ~~Operating~~current situation with the PlusFunds and the SPhinX Fund, ~~Administrative~~PlusFunds ~~Expenses~~personnel has not been able to provide specific guidance in regard to the issuance of 2005 tax forms to the Fund. Until PlusFunds advises the Fund as to delivery of this information, the Fund cannot finalize a date for the issuance of 2005 tax forms to investors in the Fund.

Effective January 1, 2006, RefcoFund Holdings, LLC, the general partner of the Fund, determined to eliminate the voluntary expense limitation placed on management fees and operating and administrative expenses so as to be able to pay ongoing operating expenses of the Fund. Management fees and operating and administrative expenses had been limited to 1.70% per annum.

Item 9.01. Financial Statements and Exhibits

(d) Exhibits

99.1 Notice to Investors dated January 612, 2006 by PlusFunds Group, Inc.

SIGNATURE

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 thereunto duly authorized.

	S&P Managed Futures Index Fund, LP By: RefcoFund Holdings, LLC, as General Partner	~~S&P Managed Futures Index Fund, LP By: RefcoFund Holdings, LLC, as General Partner~~
	(Registrant)	~~(Registrant)~~
	By:	~~By:~~/s/ Richard C. Butt	~~/s/ Richard C. Butt~~
Date: January 6, 2006		Name: Richard C. Butt
Date: January 18, 2006	Name: Richard C. Butt
	Title: President and Manager	~~Title: President and Manager~~

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