Trivago N.V. (TRVG): Billionaire Ken Griffin’s Citadel Investment Group Reports 12.2% Stake

Page 2 of 10 – SEC Filing

CUSIP No. 89686D105 13G Page 2 of 10 Pages

1.

NAME OF REPORTING PERSON

S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Citadel Advisors LLC

2.

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a)       ¨

(b)
¨

3.

SEC USE ONLY

4.

CITIZENSHIP OR PLACE OF ORGANIZATION

Delaware

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

5.

SOLE VOTING POWER

0

6.

SHARED VOTING POWER

 

3,188,643 shares

7.

SOLE DISPOSITIVE POWER

0

8.

SHARED DISPOSITIVE POWER

See Row 6 above

9.

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

See Row 6 above

10.

CHECK BOX IF THE AGGREGATE
AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ¨

11.

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

12.2%1

12.

TYPE OF REPORTING PERSON

IA; OO; HC


1 The percentages reported in this Schedule 13G are based upon 26,110,000 Class A shares outstanding as of December 16, 2016
(according to the prospectus supplement filed by the issuer with the Securities and Exchange Commission on December 16, 2016).

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