-----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,
 K0cYJim2u6RUy1P0fJ5DHDAAOu1MiGI2aslRRpWd70ou7s49ksJQ45SFk4beFFu3
 Rd8C+DuOfm3WvclztZoCXQ==

<SEC-DOCUMENT>0001079817-10-000032.txt : 20100217
<SEC-HEADER>0001079817-10-000032.hdr.sgml : 20100217
<ACCEPTANCE-DATETIME>20100216193013
ACCESSION NUMBER:		0001079817-10-000032
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20100217
DATE AS OF CHANGE:		20100216

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TELOS CORP
		CENTRAL INDEX KEY:			0000320121
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER INTEGRATED SYSTEMS DESIGN [7373]
		IRS NUMBER:				520880974
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-34123
		FILM NUMBER:		10610732

	BUSINESS ADDRESS:	
		STREET 1:		19886 ASHBURN ROAD
		CITY:			ASHBURN
		STATE:			VA
		ZIP:			20147
		BUSINESS PHONE:		7034716000

	MAIL ADDRESS:	
		STREET 1:		19886 ASHBURN ROAD
		CITY:			ASHBURN
		STATE:			VA
		ZIP:			20147

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	C3 INC
		DATE OF NAME CHANGE:	19920703

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BROWN INVESTMENT ADVISORY & TRUST CO
		CENTRAL INDEX KEY:			0001079817
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		901 SOUTH BOND STREET
		STREET 2:		SUITE 400
		CITY:			BALTIMORE
		STATE:			MD
		ZIP:			21231-3340
		BUSINESS PHONE:		4105375400

	MAIL ADDRESS:	
		STREET 1:		901 SOUTH BOND STREET
		STREET 2:		SUITE 400
		CITY:			BALTIMORE
		STATE:			MD
		ZIP:			21231-3340
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>tlsrp123109.txt
<DESCRIPTION>TELOS 123109
<TEXT>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549


SCHEDULE 13G/A


Under the Securities Exchange Act of 1934
(Amendment No. 2)*



Telos Corporation
(Name of Issuer)

12% Cumulative Exchangable Redeemable Preferred Stock, $0.01 par value
(Title of Class of Securities)

87969B200
(CUSIP Number)

12/31/09
(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)

Check the following box if a fee is being paid with this statement [ ].  A fee
is not required only if the filing person: (1) has a previous statement on file
reporting  beneficial ownership of more than five percent of the class of
securities described in Item 1; and (2) has filed no amendment subsequent
there to reporting beneficial  ownership of five percent or less of such class.
(See Rule 13d-7).

* 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).

1.	NAME OF REPORTING PERSONS.  I.R.S. IDENTIFICATION NOS.
	OF ABOVE PERSONS (ENTITIES ONLY)

	Brown Advisory Holdings Incorporated ("BAHI")

2. 	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a) [ ]
	(b) [ ]

3. 	SEC USE ONLY

4. 	CITIZENSHIP OR PLACE OF ORGANIZATION

	BAHI is a Maryland Corporation.



			5 SOLE VOTING POWER		                    0 shares
NUMBER OF
SHARES
BENEFICIALLY		6 SHARED VOTING POWER	          	 	    0 shares
OWNED BY
EACH
REPORTING		7 SOLE DISPOSITIVE POWER			0 shares
PERSON WITH

			8 SHARED DISPOSITIVE POWER	               4037628 shares


9. 	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

	4037628 shares

10. 	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
	SHARES [   ]

11. 	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

	14.7%

12. 	TYPE OF REPORTING PERSON

        BAHI - HC






Item 1(a). 	Name of Issuer:

Telos Corporation


Item 1(b). 	Address of Issuer's Principal Executive Offices:

19886 Ashburn Road
Ashburn, Virginia  20147-2358

Item 2(a). 	Name of Person Filing:

BCHI

Item 2(b).	Address of Principal Business Office:

901 South Bond Street, Suite 400
Baltimore, Maryland 21231

Item 2(c). 	Citizenship:

BCHI is a Maryland Corporation.

Item 2(d). 	Title of Class of Securities:

12% Cumulative Exchangable Redeemable Pfd Stock $0.01 p v of Telos Corporation

Item 2(e).	CUSIP Number: 87969B200


Item 3. 	If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b),
	check  whether the person filing is a:

(g) [x] 	A parent holding company or control person in accordance with section
	240.13d-1(b)(1)(ii)(G)


Item 4. 	Ownership:

(a) 	Amount of Beneficially Owned:				  4037628 shares

(b) 	Percent of Class:	         				  14.7%

(c) 	Number of shares as to which such person has:
     (i)  Sole power to vote or to direct the vote:	               0 shares

    (ii)  Shared power to vote or to direct the vote: 	       	       0 shares

   (iii)  Sole power to dispose or to direct the disposition of:    1300 shares

    (iv)  Shared power to dispose or to direct the disposition of:4037628 shares




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.

	The securities as to which this Schedule is filed by BAHI, in its capacity
	as a parent holding company, are as follows: 4037628 shares, or 14.7% of the
	total shares outstanding of Telos Corporation owned by clients of
	NSB Advisors LLC, a Broker-Dealer as defined in Section
	15 of the Act and an Investment Advisor registered under section 203 of the
	Investment Advisers Act of 1940.
	Those clients referenced herein have the right
	to receive, or the power to direct the receipt of, dividends from, or the
	proceeds from the sale of, such securities.


Item 7. 	Identification and Classification of the Subsidiary Which Acquired the
	Security Being Reported on by the Parent Holding Company or Control Person.

	This Schedule is being filed pursuant to Rule 13d-1(b)(1)(ii)(G).
	Refer to Exhibit A.


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 in the ordinary course of business
	and were not acquired for the purpose of and do not have the effect of
	changing or influencing the control of the issuer of such securities and were
	not acquired in connection with or as a participant in any transaction having
	such 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:		As of December 31, 2009

	Signature:	Brown Advisory Holdings Incorporated

	By: 		/S/ David M. Churchill

	Title:		Secretary & Treasurer


	Joint Filing Agreement
	----------------------------

	Each party signing below agrees that this statement is submitted as a joint
	filing on behalf of the undersigned.

	Date:		As of December 31, 2009

	Signature:	NSB Advisors LLC

        By: 		/S/ Nancy I. Denney

	Title:		Secretary

Exhibit A

Pursuant to the instructions in Item 7 of this Schedule 13G, the identity
and the Item 3 classification of the relevant subsidiary is: NSB
Advisors LLC an Investment Advisor registered under section 203 of the
Investment Advisers Act of 1940 and BIATC, a Bank as defined in Section 3(a)(6)
of the Act.
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
