13G Filing: D. E. Shaw Inches Up Stake in Delek US Holdings, Inc. (DK)

(b)

Address of Issuer’s Principal Executive Offices

7102 Commerce Way

Brentwood, Tennessee 37027

D. E. Shaw Kalon Portfolios, L.L.C.

D. E. Shaw Heliant Manager, L.L.C.

D. E. Shaw Heliant Adviser, L.L.C.

D. E. Shaw & Co., L.L.C.

D. E. Shaw & Co., L.P.

David E. Shaw

The business address for each reporting person is:

1166 Avenue of the Americas, 9^th Floor

New York, NY 10036

(c)

Citizenship

D. E. Shaw Kalon Portfolios, L.L.C. is a limited liability company
organized under the laws of the state of Delaware.

D. E. Shaw Heliant Manager, L.L.C. is a limited liability company
organized under the laws of the state of Delaware.

D. E. Shaw Heliant Adviser, L.L.C. is a limited liability company
organized under the laws of the state of Delaware.

D. E. Shaw & Co., L.L.C. is a limited liability company
organized under the laws of the state of Delaware.

D. E. Shaw & Co., L.P. is a limited partnership organized
under the laws of the state of Delaware.

David E. Shaw is a citizen of the United States of America.

(d)

Title of Class of Securities

Common stock, $0.01 par value

(e)

CUSIP Number

246647101 

Item 3.

If this statement is filed pursuant to Rule 13d-1(b) or 13d-2(b)
or (c), check whether the person filing is a:

Not Applicable

Ownership

D. E. Shaw Kalon Portfolios, L.L.C.:

4,209,900 shares

D. E. Shaw Heliant Manager, L.L.C.:

5,100,000 shares

This is composed of (i) 4,209,900 shares in the name
of D. E. Shaw Kalon Portfolios, L.L.C. and (ii) 890,100 shares in the name of D. E. Shaw Special Opportunities Portfolios,
L.L.C.

D. E. Shaw Heliant Adviser, L.L.C.:

5,100,000 shares

This is composed of (i) 4,209,900 shares in the name
of D. E. Shaw Kalon Portfolios, L.L.C. and (ii) 890,100 shares in the name of D. E. Shaw Special Opportunities Portfolios,
L.L.C.