UNITED STATES
SECURITIES EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
TO RULES 13d-1(b)(c), AND (d) AND AMENDMENTS THERETO FILED
PURSUANT TO RULE 13d-2(b)
(Amendment No. 2)*
Red Hat, Inc.
(Name of Issuer)
Common Stock
(Title of Class of Securities)
756577102
(CUSIP Number)
April 30, 2006
(Date of Event which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to
which this Schedule is filed:
[ X ] Rule 13d-1(b)
[ ] Rule 13d-1(c)
[ ] Rule 13d-1(d)
CUSIP No. 756577102
1.Names of Reporting Persons.
Sands Capital Management, LLC
I.R.S. Identification Nos. of above persons (entities only).
20-2830751
2.Check the Appropriate Box if a Member of a Group
(a) [ ]
(b) [ ]
3.SEC Use Only
4.Citizenship or Place of Organization
Delaware, United States
Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With
5.Sole Voting Power 12,639,889
6.Shared Voting Power None
7.Sole Dispositive Power 17,998,433
8.Shared Dispositive Power None
9.Aggregate Amount Beneficially Owned by Each Reporting Person 17,998,433
10.Check if the Aggregate Amount in Row (9) Excludes Certain Shares [ ]
11.Percent of Class Represented by Amount in Row (9) 10.07%
12.Type of Reporting Person: IA
Item 1(a). Name of Issuer:
Red Hat, Inc.
Item 1(b). Address of Issuer's Principal Executive Offices:
1801 Varsity Drive
Raleigh, NC 27606
United States
Item 2(a). Name of Person Filing
Sands Capital Management, LLC
Item 2(b). Address of Principal Business Office or, if None, Residence
1100 Wilson Blvd.
Suite 3050
Arlington, VA 22209
Item 2(c). Citizenship
Delaware, United States
Item 2(d). Title of Class of Securities:
Common Stock
Item 2(e). CUSIP Number:
756577102
Item 3. If This Statement is Filed Pursuant to 240.13d-1(b) or 240.13d-2(b)
or (c), Check Whether the Person Filing is a:
(a) - Broker or dealer registered under Section 15 of the Act.
(b) - Bank as defined in Section 3(a)(6) of the Act.
(c) - Insurance company as defined in Section 3(a)(19) of the Act.
(d) - Investment company registered under Section 8 of the Investment Company
Act of 1940.
(e) X An investment adviser in accordance with 240.13d-1(b)(1)(ii)(E);
(f) - An employee benefit plan or endowment fund in accordance with
240.13d-1(b)(1)(ii)(F);
(g) - A parent holding company or control person in accordance with 240.13d-
1(b)(1)(ii)(G);
(h) - A savings association as defined in Section 3(b) of the Federal Deposit
Insurance Act;
(i) - A church plan that is excluded from the definition of an investment
company under Section 3(c)(14) of the Investment Company Act of 1940;
(j) - Group, in accordance with 240.13d-1(b)(1)(ii)(J).
Item 4. Ownership:
a. Amount beneficially owned: 17,998,433
b. Percent of Class: 10.07%
c. Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote 12,639,889
(ii) Shared power to vote or to direct the vote None
(iii)Sole power to dispose or to direct the disposition of 17,998,433
(iv) Shared power to dispose or to direct the disposition None
Item 5. Ownership of Five Percent or Less of a Class:
Not applicable
Item 6. Ownership of More than Five Percent on Behalf of Another Person:
[ X ]
Securities reported on this Schedule 13G are beneficially owned by clients
of Sands Capital Management, LLC. Sands Capital Management, LLC clients may
include investment companies registered under the Investment Company Act and/or
employee benefit plans, pension funds, endowment funds or other institutional
clients.
Item 7. Identification and Classification of the Subsidiary Which Acquired the
Security Being Reported on By the Parent Holding Company of Control
Person:
Not applicable.
Item 8. Identification and Classification of Members of the Group:
Not applicable.
Item 9. Notice of Dissolution of Group:
Not applicable.
Item 10.Certification:
By signing below I certify that, to the best of my knowledge and belief, the
securities referred to above were acquired and are held in the ordinary
course of business and were not acquired and are not held for the purpose
of or with the effect of changing or influencing the control of the issuer
of the securities and were not acquired and are not held in connection
with or as a participant in any transaction having that purpose or effect.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.
Date May 4, 2006
By:/s/ Robert C. Hancock
Robert C. Hancock
Title: Chief Operating Officer & Chief Compliance Officer