Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^*

Herrema Gregory J.

2. Date of Event Requiring Statement (MM/DD/YYYY) 5/17/2017

3. Issuer Name and Ticker or Trading Symbol

THERMO FISHER SCIENTIFIC INC. [TMO]

(Last) (First) (Middle)

168 THIRD AVENUE

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

_____ Director _____ 10% Owner
___ X ___ Officer (give title below) _____ Other (specify below)
Senior Vice President /

(Street)

WALTHAM, MA 02451

(City) (State) (Zip)

5. If Amendment, Date Original Filed (MM/DD/YYYY)

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	37016	D

*Table II - Derivative Securities Beneficially Owned ( e.g.* , puts, calls, warrants, options, convertible securities)**
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		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)
1. Title of Derivate Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Stock Option (Right to Buy)	⁽¹⁾	2/23/2018	Common Stock	56250	$54.97	D
Stock Option (Right to Buy)	⁽²⁾	2/26/2020	Common Stock	15400	$73.24	D
Stock Option (Right to Buy)	⁽³⁾	2/26/2021	Common Stock	18350	$124.28	D
Stock Option (Right to Buy)	⁽⁴⁾	2/25/2022	Common Stock	24300	$131.07	D
Stock Option (Right to Buy)	⁽⁵⁾	2/24/2023	Common Stock	30350	$129.77	D
Stock Option (Right to Buy)	⁽⁶⁾	2/28/2024	Common Stock	27300	$157.68	D

Explanation of Responses:
(1)	The option vested in four equal installments on February 23, 2012, 2013, 2014, and 2015.
(2)	The option vested in four equal installments on February 26, 2014, 2015, 2016, and 2017.
(3)	The option vests in four equal annual installments. The first, second and third installments became exercisable on February 26, 2015, 2016, and 2017, and the fourth installment will become exercisable on February 26, 2018.
(4)	The option vests in four equal annual installments. The first and second installments became exercisable on February 25, 2016, and 2017, and the third and fourth installments will become exercisable on February 25, 2018, and 2019.
(5)	The option is exercisable in four equal annual installments. The first installment became exercisable on February 24, 2017, and the second, third and fourth installments will become exercisable on February 24, 2018, 2019, and 2020.
(6)	The option vests in four equal annual installments beginning on February 28, 2018.

Remarks:
Exhibit List Exhibit 24 - Confirming Statement

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Herrema Gregory J. 168 THIRD AVENUE WALTHAM, MA 02451			Senior Vice President

Signatures
/s/ Barbara J. Lucas, Attorney-in-Fact for Gregory J. Herrema		5/26/2017
^** 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 control number.