SCHEDULE 13G

An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G
Under the Securities Exchange Act of 1934

LECROY CORPORATION

(Name of Issuer)

COMMON STOCK, PAR VALUE $0.01 PER SHARE

(Title of Class of Securities)

52324W109

(CUSIP Number)

DECEMBER 31, 2006

(Date of event which requires filing of this statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

þ Rule 13d-1(b)

o Rule 13d-1(c)

o Rule 13d-1(d)

The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).




CUSIP No.	52324W109	SCHEDULE 13G	Page	2	of	10



1	NAMES OF REPORTING PERSONS. I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY). Millenco, L.L.C. 13-3532932
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) o (b) þ
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware



NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	5	SOLE VOTING POWER 1,064,937
	6	SHARED VOTING POWER -0-
	7	SOLE DISPOSITIVE POWER 1,064,937
	8	SHARED DISPOSITIVE POWER -0-



9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,064,937
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES o
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 8.5%
12	TYPE OF REPORTING PERSON OO, BD




CUSIP No.	52324W109	SCHEDULE 13G	Page	3	of	10



1	NAMES OF REPORTING PERSONS. I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY). Millennium Management, L.L.C. 13-3804139
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) o (b) þ
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware



NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	5	SOLE VOTING POWER 1,064,937
	6	SHARED VOTING POWER -0-
	7	SOLE DISPOSITIVE POWER 1,064,937
	8	SHARED DISPOSITIVE POWER -0-



9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,064,937
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES o
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 8.5%
12	TYPE OF REPORTING PERSON OO




CUSIP No.	52324W109	SCHEDULE 13G	Page	4	of	10



1	NAMES OF REPORTING PERSONS. I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY). Israel A. Englander
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) o (b) þ
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States



NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	5	SOLE VOTING POWER 1,064,937
	6	SHARED VOTING POWER -0-
	7	SOLE DISPOSITIVE POWER 1,064,937
	8	SHARED DISPOSITIVE POWER -0-



9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,064,937
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES o
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 8.5%
12	TYPE OF REPORTING PERSON IN




CUSIP No.	52324W109	SCHEDULE 13G	Page	5	of	10



Item 1.
	(a)	Name of Issuer:

		LeCroy Corporation, a Delaware corporation (the "Company").

	(b)	Address of Issuer’s Principal Executive Offices:

		700 Chestnut Ridge Road Chestnut Ridge, New York 10977

Item 2.	(a)	Name of Person Filing:
	(b)	Address of Principal Business Office:
	(c)	Citizenship:

		Millenco, L.L.C. c/o Millennium Management, L.L.C. 666 Fifth Avenue New York, New York 10103 Citizenship: Delaware

		Millennium Management, L.L.C. 666 Fifth Avenue New York, New York 10103 Citizenship: Delaware

		Israel A. Englander c/o Millennium Management, L.L.C. 666 Fifth Avenue New York, New York 10103 Citizenship: United States

	(d)	Title of Class of Securities:

		common stock, par value $0.01 per share ("Common Stock")

	(e)	CUSIP Number:

		52324W109

Item 3. If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b), check whether the person filing is a:



(a)	þ	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);

(b)	o	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);

(c)	o	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);

(d)	o	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);

(e)	o	An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);




CUSIP No.	52324W109	SCHEDULE 13G	Page	6	of	10



(g)	þ	A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G);

(h)	o	A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i)	o	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j)	o	Group, in accordance with §240.13d-1(b)(1)(ii)(J).

Item 4. Ownership

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

(a) Amount Beneficially Owned:

As of the date of this filing, each Reporting Person may be deemed to be the beneficial owner of:

(i) 790,023 shares of Common Stock owned by Millenco, L.L.C., a Delaware limited liability company ("Millenco"), formerly known as Millenco, L.P., a Delaware limited partnership; and

(ii) 274,914 shares of Common Stock currently issuable to Millenco upon the conversion (at a rate of 68.7285 shares per $1,000 in principal amount) of a 4% convertible senior subordinated note due October 15, 2026 in an aggregate principal amount of $4,000,000.

Millennium Management, L.L.C., a Delaware limited liability company ("Millennium Management"), is the manager of Millenco, and consequently may be deemed to have voting control and investment discretion over securities owned by Millenco. Israel A. Englander ("Mr. Englander") is the managing member of Millennium Management. As a result, Mr. Englander may be deemed to be the beneficial owner of any shares deemed to be beneficially owned by Millennium Management. The foregoing should not be construed in and of itself as an admission by Millennium Management or Mr. Englander as to beneficial ownership of the shares owned by Millenco.

Note: Integrated Holding Group, L.P., a Delaware limited partnership ("Integrated Holding Group"), is a non-managing member of Millenco. As a non-managing member, Integrated Holding Group has no investment or voting control over Millenco or its securities positions.

(b) Percent of Class:

8.5% of the Company’s Common Stock (see Item 4(a) above), which percentage was calculated based on 12,197,321 shares of Common Stock outstanding as of February 1, 2007 as reported in the Company’s Quarterly Report on Form 10-Q, dated as February 8, 2007.




CUSIP No.	52324W109	SCHEDULE 13G	Page	7	of	10

(i) Sole power to vote or to direct the vote
   1,064,937

(ii) Shared power to vote or to direct the vote

   -0-

(iii) Sole power to dispose or to direct the disposition of

   1,064,937

(iv) Shared power to dispose or to direct the disposition of

   -0-

Item 5. Ownership of Five Percent or Less of a Class

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the followingo .

Item 6. Ownership of More than Five Percent on Behalf of Another Person.

Not applicable.

Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company.

Not applicable.

Item 8. Identification and Classification of Members of the Group

See Exhibit I.

Item 9. Notice of Dissolution of Group

Not applicable.

Item 10. Certification

By signing below each of the undersigned certifies that, to the best of its knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.




CUSIP No.	52324W109	SCHEDULE 13G	Page	8	of	10

Exhibits:

Exhibit I: Joint Filing Agreement, dated as of February 8, 2007, by and among Millenco, L.L.C., Millennium Management, L.L.C. and Israel A. Englander.

CUSIP No.

52324W109

SCHEDULE 13G
Page
9
of
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SIGNATURE

After reasonable inquiry and to the best of its knowledge and belief, each of the undersigned certifies that the information with respect to it set forth in this statement is true, complete, and correct.

Dated: February 8, 2007

MILLENCO, L.L.C.

By: Millennium Management, L.L.C.
      as manager

By: /s/ Terry Feeney
        Name: Terry Feeney
        Title:   Chief Operating Officer

MILLENNIUM MANAGEMENT, L.L.C.

By: /s/ Terry Feeney
        Name: Terry Feeney
        Title:   Chief Operating Officer

/s/ Israel A. Englander by David Nolan
pursuant to Power of Attorney filed with
the SEC on June 6, 2005
Israel A. Englander




CUSIP No.	52324W109	SCHEDULE 13G	Page	10	of	10

		EXHIBIT I

		JOINT FILING AGREEMENT

This will confirm the agreement by and among the undersigned that the Schedule 13G filed with the Securities and Exchange Commission on or about the date hereof with respect to the beneficial ownership by the undersigned of the shares of Common Stock, par value $0.01 per share of LeCroy Corporation, a Delaware Corporation, is being filed, and all amendments thereto will be filed, on behalf of each of the persons and entities named below in accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended. This Agreement may be executed in two or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument.

Dated: February 8, 2007

MILLENCO, L.L.C.

By: Millennium Management, L.L.C.
       as manager

By: /s/ Terry Feeney
        Name: Terry Feeney
        Title:   Chief Operating Officer

MILLENNIUM MANAGEMENT, L.L.C.

By: /s/ Terry Feeney
        Name: Terry Feeney
        Title:   Chief Operating Officer

/s/ Israel A. Englander by David Nolan
pursuant to Power of Attorney filed with
the SEC on June 6, 2005
Israel A. Englander

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