SEC FORM 3

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

GEWIESE BERND

(Last)

(First)

(Middle)

BRUKER CORPORATION

40 MANNING ROAD

(Street)

BILLERICA

01821

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
02/11/2013

3. Issuer Name and Ticker or Trading Symbol
BRUKER CORP [ BRKR ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	President, Bruker BioSpin Corp

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	230	I	By spouse

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Stock option - right to purchase	⁽¹⁾	05/07/2018	Common Stock	50,000	$12.01	D
Stock option - right to purchase	⁽²⁾	03/09/2020	Common Stock	25,000	$13.95	D
Stock option - right to purchase	⁽³⁾	08/19/2021	Common Stock	17,500	$12.73	D

Explanation of Responses:

1. Options to purchase 40,000 shares of common stock are currently vested and exercisable. Options to purchase 10,000 shares vest on May 7, 2013.

2. Options to purchase 10,000 shares of common stock are currently vested and exercisable. Options to purchase 5,000 shares vest on each of March 9, 2013, March 9, 2014 and March 9, 2015.

3. Options to purchase 3,500 shares of common stock are currently vested and exercisable. Options to purchase 3,500 shares vest on each of August 19, 2013, August 19, 2014, August 19, 2015 and August 19, 2016.

Remarks:

Exhibit List:Exhibit 24 - Power of Attorney

	/s/ Constance Andrews, Attorney-in-Fact	02/20/2013
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.