13G Filing: Lone Pine Capital and Transunion (TRU)

NAME OF ISSUER

TransUnion (the “Issuer”)

Item 1(b).

ADDRESS OF ISSUER’S PRINCIPAL EXECUTIVE OFFICES

555 West Adams

NAME OF PERSON FILING

This statement is filed by:

Lone Pine Capital LLC, a Delaware limited liability company (“Lone Pine Capital”), which serves as investment manager to Lone Spruce, L.P., a Delaware limited partnership (“Lone Spruce”), Lone Cascade, L.P., a Delaware limited partnership (“Lone Cascade”), Lone Sierra, L.P., a Delaware limited partnership (“Lone Sierra”), Lone Cypress, Ltd., a Cayman Islands exempted company (“Lone Cypress”), Lone Kauri, Ltd., a Cayman Islands exempted company (“Lone Kauri”), and Lone Monterey Master Fund, Ltd., a Cayman Islands exempted company (“Lone Monterey Master Fund”, and together with Lone Spruce, Lone Cascade, Lone Sierra, Lone Cypress, Lone Kauri, and Lone Monterey Master Fund, the “Lone Pine Funds”), with respect to the Common Stock directly held by each of the Lone Pine Funds; and

Stephen F. Mandel, Jr. (“Mr. Mandel”), the managing member of Lone Pine Managing Member LLC, which is the Managing Member of Lone Pine Capital, with respect to the Common Stock directly held by each of the Lone Pine Funds.

The foregoing persons are hereinafter sometimes collectively referred to as the “Reporting Persons”.  Any disclosures herein with respect to persons other than the Reporting Persons are made on information and belief after making inquiry to the appropriate party.

Item 2(b).

ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE

The address of the business office of each of the Reporting Persons is Two Greenwich Plaza, Greenwich, Connecticut 06830.

Item 2(c).

CITIZENSHIP

Lone Pine Capital is a limited liability company organized under the laws of the State of Delaware.  Mr. Mandel is a United States citizen.