UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(AMENDMENT NO. 1)

ALYST ACQUISITION CORP.

(Name of Issuer)

(Title of Class of Securities)

02263A105

OCTOBER 31, 2008

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

o		Rule 13d-1(b)
þ		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).

 

 

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** SEE INSTRUCTIONS BEFORE FILLING OUT!

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** SEE INSTRUCTIONS BEFORE FILLING OUT!

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** SEE INSTRUCTIONS BEFORE FILLING OUT!

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** SEE INSTRUCTIONS BEFORE FILLING OUT!

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Explanatory Note:

This amendment is being filed to (i) report the transfer of 7,425 shares held by Millenco LLC to Integrated Core Strategies (US) LLC, each of which is a wholly-owned by the same entity, as a result of which Integrated Core Strategies may be deemed to beneficially own those shares of Common Stock and (ii) to report other changes as set forth in this filing. See Item 4(a) for a description of these entities.

Item 1.

(a) Name of Issuer

     Alyst Acquisition Corp., a Delaware corporation (the “Company”).

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

     233 East 69^th Street, #6J

     New York, New York 10021

Item 2(a). Name of Person Filing

Item 2(b). Address of Principal Business Office

Item 2(c). Citizenship

Integrated Core Strategies (US) LLC
c/o Millennium Management LLC
666 Fifth Avenue
New York, New York 10103
Citizenship: Delaware

Millenco LLC
666 Fifth Avenue
New York, New York 10103
Citizenship: Delaware

Millennium Management LLC
666 Fifth Avenue
New York, New York 10103
Citizenship: Delaware

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

(d) Title of Class of Securities

     common stock, par value $0.0001 per share (“Common Stock”)

(e) CUSIP Number

     02263A105

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)		o		Broker or dealer registered under Section 15 of the Act (15 U.S.C. 78o).

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(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 Rule 13d-1(b) (1) (ii) (E);
(f)		o		An employee benefit plan or endowment fund in accordance with Rule 13d-1(b) (1) (ii) (F);
(g)		o		A parent holding company or control person in accordance with Rule 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 Rule 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, Integrated Core Strategies (US) LLC, a Delaware limited liability company (“Integrated Core Strategies”) is the beneficial owner of 7,425 shares of Common Stock, of which 775 shares are a constituent part of the Company’s units (“Units”). Each Unit consists of one share of Common Stock and one warrant (“Warrant”). Each Warrant entitles the holder to purchase one share of the Company’s Common Stock at a price of $5.00. Each Warrant will become exercisable on the later of the Company’s completion of a business combination and June 29, 2008, and will expire on June 28, 2011, or earlier upon redemption. In addition to the 775 Warrants held by Integrated Core Strategies as a constituent part of the Units, Integrated Core Strategies holds an additional 716,846 Warrants. As of the date of this filing, the Company has not announced the completion of a business combination and therefore, the Warrants are not currently exercisable.

     Also, as of the date of this filing, Millenco LLC, a Delaware limited liability company (“Millenco”) has ceased to be the beneficial owner of any shares of Common Stock.

     Millennium Management LLC, a Delaware limited liability company (“Millennium Management”), is the general partner of Integrated Holding Group LP, a Delaware limited partnership (“Integrated Holding Group”), which is the managing member of Integrated Core Strategies and consequently may be deemed to have shared voting control and investment discretion over securities owned by Integrated Core Strategies. Israel A. Englander (“Mr. Englander”) is the managing member of Millennium Management. As a result, Mr. Englander may be deemed to have shared voting control and investment discretion over securities 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.

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Englander as to beneficial ownership of the shares owned by Integrated Core Strategies.

(b) Percent of Class

     0.1% of the Company’s Common Stock (see Item 4(a) above), which percentage was calculated based on 9,510,600 shares of Common Stock outstanding as of November 4, 2008, as per the Company’s Form 10-Q, dated November 10, 2008.

(c) Number of shares as to which such person has:

	(i)		Sole power to vote or to direct the vote:
			-0-
	(ii)		Shared power to vote or to direct the vote
			7,425
	(iii)		Sole power to dispose or to direct the disposition of
			-0-
	(iv)		Shared power to dispose or to direct the disposition of
			7,425

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 following þ.

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.

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Exhibits:

Exhibit I: Joint Filing Agreement, dated as of November 7, 2008, by and among Integrated Core Strategies (US) LLC, Millenco LLC, Millennium Management LLC and Israel A. Englander.

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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: November 7, 2008

				INTEGRATED CORE STRATEGIES (US) LLC
				By:		Integrated Holding Group LP,
						its managing member
				By:		Millennium Management LLC,
						its general partner
				By:		/s/ David Nolan
						Name: David Nolan
						Title: Co-President
				MILLENCO LLC
				By:		/s/ Mark Meskin
						Name: Mark Meskin
						Title: Chief Executive Officer
				MILLENNIUM MANAGEMENT LLC
				By:		/s/ David Nolan
						Name: David Nolan
						Title: Co-President
				/s/ Israel A. Englander by David Nolan
				pursuant to Power of Attorney
				filed with SEC on June 6, 2005
				Israel A. Englander

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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 $0.0001 per share, of Alyst Acquisition Corp., a Delaware corporation, 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: November 7, 2008

				INTEGRATED CORE STRATEGIES (US) LLC
				By:		Integrated Holding Group LP,
						its managing member
				By:		Millennium Management LLC,
						its general partner
				By:		/s/ David Nolan
						Name: David Nolan
						Title: Co-President
				MILLENCO LLC
				By:		/s/ Mark Meskin
						Name: Mark Meskin
						Title: Chief Executive Officer
				MILLENNIUM MANAGEMENT LLC
				By:		/s/ David Nolan
						Name: David Nolan
						Title: Co-President
				/s/ Israel A. Englander by David Nolan
				pursuant to Power of Attorney
				filed with SEC on June 6, 2005
				Israel A. Englander