13G Filing: Point72 Asset Management and Hyatt Hotels Corporation (H)

(8) Shared dispositive power       2,383,023 (see Item 4)

(9) Aggregate amount beneficially owned by each reporting person

2,383,023 (see Item 4)

(10) Check if the aggregate amount in Row (9) excludes certain shares

(see instructions)

(11) Percent of class represented by amount in Row (9)   5.0% (see Item 4)

(12) Type of reporting person (see instructions)     CO

CUSIP No. 448579102

(1) Names of reporting persons    Cubist Systematic Strategies, LLC

(2) Check the appropriate box if a member of a group

(a)

(see instructions)

(b)X

(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              22,803 (see Item 4)

(7) Sole dispositive power           0

(8) Shared dispositive power       22,803 (see Item 4)

(9) Aggregate amount beneficially owned by each reporting person

22,803 (see Item 4)

(10) Check if the aggregate amount in Row (9) excludes certain shares

(see instructions)

(11) Percent of class represented by amount in Row (9)   <0.1% (see Item 4)

(12) Type of reporting person (see instructions)     OO

CUSIP No. 448579102

(1) Names of reporting persons    Point72 Asia (Hong Kong) Limited