13G Filing: Soros Fund Management and Guidance Software Inc. (GUID)

CUSIP NO.  401692108

Page 5 of 12 Pages

Item 1(a).

Name of Issuer:

Guidance Software, Inc. (the “Issuer”).

Item 1(b).

Address of the Issuer’s Principal Executive Offices:

1055 E. Colorado Blvd.

Pasadena, CA 91106-2375

Item 2(a).

Name of Person Filing

The Statement is filed on behalf of each of the following persons (collectively, the “Reporting Persons”):

(i)

Soros Fund Management LLC (“SFM LLC”);

(ii)

George Soros; and

(iii)

Robert Soros.

This statement relates to Shares (as defined herein) held for the account of Quantum Partners LP, a Cayman Islands exempted limited partnership (“Quantum Partners”).  SFM LLC serves as principal investment manager to Quantum Partners.  As such, SFM LLC has been granted investment discretion over portfolio investments, including the Shares, held for the account of Quantum Partners.  George Soros serves as Chairman and Manager of SFM LLC and Robert Soros serves as Manager of SFM LLC.

Item 2(b).

Address of Principal Business Office or, if None, Residence:

The address of the principal business office of each of the Reporting Persons is 250 West 55th Street, 38th Floor, New York, NY 10019.

Item 2(c).

Citizenship:

(i)

SFM LLC is a Delaware limited liability company;

(ii)

George Soros is a United States citizen; and

(iii)

Robert Soros is a United States citizen.

Item 2(d).

Title of Class of Securities:

Common Stock, par value $0.001 per share (the “Shares”).

Item 2(e).

CUSIP Number:

401692108