Report of Foreign Issuer (6-k)

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 6-K


Report of Foreign Private Issuer
Pursuant to Rule 13a-16 or 15d-16 of the
Securities Exchange Act of 1934

Commission File No. 000-51196

For the month of December, 2015

AIXTRON SE
(Translation of registrant’s name into English)


Dornkaulstr. 2
52134 Herzogenrath
Germany
(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ⊠

Form 40-F ⃞

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes ⃞

No ⊠

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): N/A

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AIXTRON SE: Release according to Article 26, Section 1 of the WpHG [the German Securities Trading Act] with the objective of Europe-wide distribution

Notification of Major Holdings

1. Details of issuer
AIXTRON SE
Dornkaulstraße 2
52134 Herzogenrath
Germany

2. Reason for notification

X	Acquisition/disposal of shares with voting rights
	Acquisition/disposal of instruments
	Change of breakdown of voting rights
	Other reason:

3. Details of person subject to the notification obligation

Name:	City and country of registered office:
Allianz Global Investors GmbH	Bockenheimer Landstraße 42-44, 60323 Frankfurt/Main
	Germany

4. Names of shareholder(s)
holding directly 3% or more voting rights, if different from 3.

5. Date on which threshold was crossed or reached
10.12.2015

6. Total positions

	% of voting rights attached to shares (total of 7.a.)	% of voting rights through instruments (total of 7.b.1 + 7.b.2)	total of both in % (7.a. + 7.b.)	total number of voting rights of issuer
Resulting situation	4.80 %	0.04 %	4.84 %	112720355
Previous notification	6.05 %	%	6.05 %	/

7. Notified details of the resulting situation
a. Voting rights attached to shares (Sec.s 21, 22 WpHG)

ISIN

absolute

in %

	direct	indirect	direct	indirect
	(Sec. 21 WpHG)	(Sec. 22 WpHG)	(Sec. 21 WpHG)	(Sec. 22 WpHG)
DE000A0WMPJ6	0	5409483	0.00 %	4.80 %

Total

5409483

4.80 %

b.1. Instruments according to Sec. 25 Abs. 1 Nr. 1 WpHG

Type of instrument	Expiration or maturity date	Exercise or conversion period	Voting rights absolute	Voting rights in %
Right for redelivery of shares being subject to open overnight securities lending	None	Cancellation possible on each trading day	45899	0.04 %
		Total	45899	0.04 %

b.2. Instruments according to Sec. 25 Abs. 1 Nr. 2 WpHG

Type of instrument	Expiration or maturity date	Exercise or conversion period	Cash or physical settlement	Voting rights absolute	Voting rights in %
					%
			Total		%

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8. Information in relation to the person subject to the notification obligation

	Person subject to the notification obligation is not controlled and does itself not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer (1.).
X	Full chain of controlled undertakings starting with the ultimate controlling natural person or legal entity:

Name	% of voting rights (if at least held 3% or more)	% of voting rights through instruments (if at least held 5% or more)	Total of both (if at least held 5% or more)
Allianz SE	%	%	%
Allianz Asset Management AG	%	%	%
Allianz Global Investors GmbH	4.80 %	%	%

9. In case of proxy voting according to § 22 Abs. 3 WpHG

Date of general meeting:
Holding position after general meeting:	% (equals voting rights)

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SIGNATURE

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, hereunto duly authorized.

			AIXTRON SE
Date:	December 21, 2015		By:	/s/ Martin Goetzeler
			Name:	Martin Goetzeler
			Title:	President and CEO