Ownership Submission
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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Busse Falko
 2. Date of Event Requiring Statement (Month/Day/Year)
05/01/2018		 3. Issuer Name and Ticker or Trading Symbol
BRUKER CORP [BRKR]
(Last)
(First)
(Middle)
40 MANNING ROAD		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President, BioSpin Group
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

BILLERICA, MA 01821		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
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 7,239 (1)
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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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 of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock option - right to buy   (2) 08/07/2025 Common Stock 12,000 $ 19.82 D  
Stock option - right to buy   (3) 10/04/2026 Common Stock 7,097 $ 22.19 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Busse Falko
40 MANNING ROAD
BILLERICA, MA 01821		       President, BioSpin Group  

Signatures

/s/ Michael Rich, Attorney-in-Fact 05/10/2018
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) The total shares reported include (a) 557 shares of common stock; (b) 1,672 shares that are represented by restricted stock units which vest in three approximately equal annual installments on each of 10/4/2018, 10/4/2019 and 10/4/2020; and (c) 5,010 shares that are represented by restricted stock units which vest in four approximately equal annual installments on each of 8/10/2018, 8/10/2019, 8/10/2020 and 8/10/2021.
(2) The option award became exercisable as to 3,012 shares on each of 8/7/2016 and 8/7/2017, of which options to purchase 5,975 shares are outstanding and exercisable as of 5/1/2018. The remaining options vest in two approximately equal installments on each of 8/7/2018 and 8/7/2019.
(3) Options to purchase 1,774 shares vested on 10/4/2017 and are currently exercisable. The remaining options vest in three approximately equal installments on each of 10/4/2018, 10/4/2019 and 10/4/2020.

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