UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 10-Q/A

Amendment No. 1

x      QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT of 1934

For the quarterly period ended March 31, 2010

o         TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT of 1934

For the transition period from                  to                 

Commission File Number 000-30833

BRUKER CORPORATION

(Exact name of registrant as specified in its charter)

40 Manning Road, Billerica, MA 01821

 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (978) 663-3660

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  Yes x  No o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).  Yes o  No o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or a smaller reporting company. See the definitions of “accelerated filer, large accelerated filer, smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).  Yes o  No x

Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date.

EXPLANATORY NOTE

This Amendment No.1 on Form 10-Q/A amends Bruker Corporation’s Quarterly Report on Form 10-Q for the period ended March 31, 2010, as initially filed with the Securities and Exchange Commission on May 10, 2010 (the “Report”).  This Amendment No.1 is being filed to amend Part II, Item 6 of the Report to file Exhibit 2.5, which was inadvertently omitted from the original Report.

This amendment does not reflect events after the filing of the original Report and does not modify or update disclosures as originally filed, except as required to reflect the additional information provided herein.

(1) Filed herewith.

(2) Furnished herewith.

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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, thereunto duly authorized.

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