Schedule 13G Amendment No 1

-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, M+ruCM10j3lumlzimEfD3z4fz+phPUqfu+SoR2qSVx9i8eB9yQ9tpfUeOEyc4GDX bVDPP2uabVotj7qaOiy8mw== 0001193125-10-030426.txt : 20100212 0001193125-10-030426.hdr.sgml : 20100212 20100212145219 ACCESSION NUMBER: 0001193125-10-030426 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20100212 DATE AS OF CHANGE: 20100212 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Riverbed Technology, Inc. CENTRAL INDEX KEY: 0001357326 STANDARD INDUSTRIAL CLASSIFICATION: COMPUTER COMMUNICATIONS EQUIPMENT [3576] IRS NUMBER: 030448754 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-82443 FILM NUMBER: 10598117 BUSINESS ADDRESS: STREET 1: 199 FREMONT STREET CITY: SAN FRANCISCO STATE: CA ZIP: 94105 BUSINESS PHONE: (415) 247-8800 MAIL ADDRESS: STREET 1: 199 FREMONT STREET CITY: SAN FRANCISCO STATE: CA ZIP: 94105 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: RCM CAPITAL MANAGEMENT LLC CENTRAL INDEX KEY: 0000085080 IRS NUMBER: 941753550 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: SUITE 2900 FOUR EMBARCADERO CTR CITY: SAN FRANCISCO STATE: CA ZIP: 94111 BUSINESS PHONE: (949)219-2200 MAIL ADDRESS: STREET 1: 888 SAN CLEMENTE, SUITE 100 CITY: NEWPORT BEACH STATE: CA ZIP: 92660 FORMER COMPANY: FORMER CONFORMED NAME: DRESDNER RCM GLOBAL INVESTORS LLC DATE OF NAME CHANGE: 19980707 FORMER COMPANY: FORMER CONFORMED NAME: RCM CAPITAL MANAGEMENT LLC /CA DATE OF NAME CHANGE: 19961221 FORMER COMPANY: FORMER CONFORMED NAME: ROSENBERG CAPITAL MANAGEMENT DATE OF NAME CHANGE: 19871113 SC 13G/A 1 dsc13ga.htm SCHEDULE 13G AMENDMENT NO 1 Schedule 13G Amendment No 1


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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

INFORMATION STATEMENT 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. 1)*

Riverbed Technology, Inc.

(Name of issuer)

Common Stock

(Title of class of securities)

768573107

(CUSIP number)

December 31, 2009

(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-(c)

¨ Rule 13d-1(d)

*	The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).


CUSIP No. 768573107				13G	Page 2 of 5 Pages
1	Name of reporting person S.S. or I.R.S. IDENTIFICATION OF ABOVE PERSON RCM Capital Management LLC
2	Check the appropriate box if a member of a group (a) ¨ (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 2,397,471
		6	Shared voting power
		7	Sole dispositive power 2,955,001
		8	Shared dispositive power 33,835
9	Aggregate amount beneficially owned by each reporting person 2,988,836
10	Check box if the aggregate amount in row (9) excludes certain shares ¨
11	Percent of class represented by amount in row (9) 4.3%
12	Type of reporting person IA, OO

Item 1

(a)

Name of Issuer:

Riverbed Technology, Inc.

(b)

Address of Issuer’s Principal Executive Offices:

199 Fremont Street

San Francisco, CA 94105

Item 2

(a)

Name of Person Filing:

RCM Capital Management LLC

(b)

Address of Principal Business Office:

555 Mission Street, 17^th Floor

San Francisco, California 94105

(c)

Citizenship:

Delaware

(d)

Title of Class of Securities:

Common Stock

(e)

CUSIP Number:

768573107

Item 3

If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b), 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, as amended (the “Investment Company Act”);

(e)

Investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);

(f)

Employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F);

(g)

Parent holding company or control person, in accordance with 13d-1(b)(ii)(G);

(h)

Savings association as defined in Section 3(b) of the Federal Deposit Insurance Act;

(i)

Church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act;

(j)

A non-U.S. institution in accordance with §240.13d-1(b)(ii)(J);

(k)

Group, in accordance with Rule13d-1(b)(1)(ii)(K).

If filing as a non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J), please specify the type of institution ..


Item 4	Ownership.

	(a)	Amount beneficially owned:

		2,988,836

	(b)	Percent of Class:

		4.3%

	(c)	Number of shares as to which such person has:

		(i)	Sole power to vote or direct the vote:

			2,397,471

		(ii)	Shared power to vote:

			0

		(iii)	Sole power to dispose or direct the disposition of:

			2,955,001

		(iv)	Shared power to dispose or direct the disposition of:

			33,835

	This report is being filed on behalf of RCM Capital Management LLC (“RCM”), a Delaware limited liability company and investment adviser registered under Section 203 of the Investment Advisers Act of 1940, as amended. The securities reported herein are held by certain investment advisory clients or discretionary accounts of which RCM is the investment adviser. Investment advisory contracts grant to RCM voting and/or investment power over the securities held by such clients or in such accounts. As a result, RCM may be deemed to be the beneficial owner of such securities within the meaning of rule 13d-3 under the Act.

Item 5	Ownership of Five Percent or Less of a Class.

	If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following x

Item 6	Ownership of More than Five Percent on Behalf of Another Person.

	RCM’s clients have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of the securities reported herein. No one client account for which RCM is investment adviser holds more than five percent of such securities.

Item 7	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company.

	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: February 3, 2010


By:		/s/ Paul Koo
		Paul Koo
		Chief Compliance Officer
		RCM Capital Management LLC

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