Seligman J & W & Co Inc/NY – ‘SC 13G/A’ on 2/13/07 re: Synopsys Inc

On:  Tuesday, 2/13/07, at 1:17pm ET   ·   Accession #:  350440-7-27   ·   File #:  5-43334

in

this entire Filing. an “Entity” Search.

Show

Documents searched

and

each “hit”. the 1st “hit”.

↓↑Hints

Amendment to Statement of Beneficial Ownership   —   Schedule 13G
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: SC 13G/A    12/31/06 13G/A Filing                                  8     27K 

Document Table of Contents

SC 13G/A
1st Page of 8
TOC
↑Top
Previous
Next
↓Bottom
Just 1st
 
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G/A
(Rule 13d-102)  

         INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
       TO RULES 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED
PURSUANT TO 13d-2   

-----------------------------------------------------------------------------   
 DECEMBER 31, 2006

           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)

AMENDMENT NO. 16      

  SYNOPSYS, INC.
-----------------------------------------------------------------------------   
(Name of Issuer)      

COMMON STOCK
-----------------------------------------------------------------------------   
(Title of Class of Securities)

871607107 
-----------------------------------------------------------------------------   
(CUSIP Number)    

SC 13G/A
2nd Page of 8
TOC
1st
Previous
Next
↓Bottom
Just 2nd
CUSIP Number  871607107                                                         
1) NAME OF REPORTING PERSON                                                     
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON                         

J. & W. SELIGMAN & CO. INCORPORATED                       
13-3043476                                                

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                                                  

(5) SOLE VOTING POWER                -0-  
NUMBER OF SHARES                                                                
BENEFICIALLY OWNED (6) SHARED VOTING POWER        12,356,419*                   
BY EACH REPORTING                                                               
PERSON WITH        (7) SOLE DISPOSITIVE POWER           -0-                     

 (8) SHARED DISPOSITIVE POWER    12,356,419*

9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON                 

                                 12,356,419*

10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES  /  /  

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

                                   8.58%

12) TYPE OF REPORTING PERSON                                                    

IA, CO                                                          

* J. & W. Seligman & Co. Incorporated (JWS), as investment adviser for        
Seligman Communications and Information Fund, Inc. (the Fund), may be deemed  
to beneficially own the shares reported herein by the Fund.                   
Accordingly, the shares reported herein by JWS include those shares           
separately reported herein by the Fund.                                       

--------------------------------------------------      

SC 13G/A
3rd Page of 8
TOC
1st
Previous
Next
↓Bottom
Just 3rd
CUSIP Number  871607107                                                         
1) NAME OF REPORTING PERSON                                                     
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON                         

WILLIAM C. MORRIS                                         

2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                             

                                                 (a) /   /
                                                 (b) / x /

3) SEC USE ONLY                                                                 

4) CITIZENSHIP OR PLACE OF ORGANIZATION                                         

UNITED STATES                                             

(5) SOLE VOTING POWER                -0-  
NUMBER OF SHARES                                                                
BENEFICIALLY OWNED (6) SHARED VOTING POWER         12,356,419*                  
BY EACH REPORTING                                                               
PERSON WITH        (7) SOLE DISPOSITIVE POWER           -0-                     

 (8) SHARED DISPOSITIVE POWER    12,356,419*

9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON                 

12,356,419*                                                       

10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES  /  /  

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

                                                         8.58%

12) TYPE OF REPORTING PERSON                                                    

IN                                                              

*  William C. Morris, as the owner of a majority of the outstanding voting      
securities of J. & W. Seligman & Co. Incorporated (JWS), may be deemed to     
beneficially own the shares reported herein by JWS.  Accordingly, the shares  
reported herein by William C. Morris include those shares separately reported 
herein by JWS.                                                                

--------------------------------------------------      

SC 13G/A
4th Page of 8
TOC
1st
Previous
Next
↓Bottom
Just 4th
CUSIP Number  871607107                                                         
1) NAME OF REPORTING PERSON                                                     
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON                         

Seligman Communications & Information Fund, Inc.          
13-31544499                                               

2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                             

                                                 (a) /   /
                                                 (b) / x /

3) SEC USE ONLY                                                                 

4) CITIZENSHIP OR PLACE OF ORGANIZATION                                         

Maryland                                                

(5) SOLE VOTING POWER  -0-                
NUMBER OF SHARES                                                                
BENEFICIALLY OWNED (6) SHARED VOTING POWER  9,000,000                           
BY EACH REPORTING                                                               
PERSON WITH        (7) SOLE DISPOSITIVE POWER  -0-                              

(8) SHARED DISPOSITIVE POWER 9,000,000    

9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON                 

9,000,000                                                           

10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES  /  /  

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

6.25%                                                                   

12) TYPE OF REPORTING PERSON                                                    

IC                                                              

--------------------------------------------------      

SC 13G/A
5th Page of 8
TOC
1st
Previous
Next
↓Bottom
Just 5th
Item 1(a) Name of Issuer:                                                       

SYNOPSYS, INC.                                              

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

700 E. MIDDLEFIELD ROAD                                     
MOUNTAIN VIEW, CA 94043-4033                                

Item 2(a) Name of Person Filing:                                                

(1) J. & W. SELIGMAN & CO. INCORPORATED (JWS)               
(2) WILLIAM C. MORRIS (Mr. Morris)                          
   (3) SELIGMAN COMMUNICATIONS & INFORMATION FUND, INC. (the Fund)

Item 2(b) Address or Principal Business Office or, if none, Residence:          

100 PARK AVENUE                                             
NEW YORK, NEW YORK  10017                                   

Item 2(c) Citizenship:                                                          

(1) DELAWARE CORPORATION                                    
(2) UNITED STATES                                           
(3) MARYLAND                                                

Item 2(d) Title of Class of Securities:                                         

COMMON STOCK                                                

Item 2(e) CUSIP Number:                                                         

871607107                                                   

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

JWS is an investment adviser in accordance with             
     Rule 13d-1(b)(1)(ii)(E). Mr. Morris is a control person of JWS in
      accordance with Rule 13d-1(b)(1)(ii)(G). The Fund is an Investment
    Company registered under Section 8 of the Investment Company Act
of 1940.                                                    

Item 4    Ownership.                                                            

Incorporated by reference to Items (5)-(9) and (11) of the cover page   
pertaining to each reporting person.                                    

  JWS, as investment adviser for the Fund, may be deemed to beneficially own
 the shares reported herein by the Fund.  Accordingly, the shares reported
  herein by JWS include those shares separately reported herein by the Fund.

   Mr. Morris, as the owner of a majority of the outstanding voting securities
    of JWS, may be deemed to beneficially own the shares reported herein by JWS.
  Accordingly, the shares reported herein by Mr. Morris include those shares
separately reported herein by JWS.                                      

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 shares reported herein by JWS include those shares separately
reported herein by the Fund.                                

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                                              

SC 13G/A
6th Page of 8
TOC
1st
Previous
Next
↓Bottom
Just 6th
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: FEBRUARY 13, 2007                                                         

J. & W. SELIGMAN & CO. INCORPORATED                                             

BY  /s/ THOMAS G. ROSE                                                          
-------------------------------------                                     
Name: THOMAS G. ROSE                                                      
Title: CFO                                                                

/s/ Frank J. Nasta                                                          
----------------------------------------                                        
Frank J. Nasta, as                                                              
Attorney-in-fact for William C. Morris                                          

SELIGMAN COMMUNICATIONS & INFORMATION FUND, INC.                                

BY  /s/ THOMAS G. ROSE                                                          
-------------------------------------                                     
Name: THOMAS G. ROSE                                                      
Title: Vice President                                                     

SC 13G/A
7th Page of 8
TOC
1st
Previous
Next
↓Bottom
Just 7th
EXHIBIT                                                                         

7.1      Agreement   of  Joint  Filing  between J. & W. Seligman & Co.          
Incorporated, William C. Morris and Seligman Communications & 
Information Fund, Inc. dated FEBRUARY 13, 2007.               

7.2      Power of Attorney for William C. Morris                                

 EXHIBIT 7.1

 AGREEMENT OF JOINT FILING

J. & W. Seligman & Co. Incorporated, William C. Morris and Seligman             
Communications & Information Fund, Inc. hereby agree that the Statement         
on Schedule 13G to which this agreement is attached as an exhibit, as well as   
all future amendments to such Statement, shall be filed jointly on behalf of    
each of them.  This agreement is intended to satisfy the requirements of        
Rule 13d-1(f)(1)(iii) under the Securities Exchange Act of 1934, as amended.    

Dated:  FEBRUARY 13, 2007                                                       

J. & W. SELIGMAN & CO. INCORPORATED                                             

BY  /s/ THOMAS G. ROSE                                                          
-------------------------------------                                     
Name: THOMAS G. ROSE                                                      
Title: CFO                                                                

/s/ Frank J. Nasta                                                              
----------------------------------------                                        
Frank J. Nasta, as                                                              
Attorney-in-fact for William C. Morris                                          

Seligman Communications & Information Fund, Inc.                                

BY  /s/ THOMAS G. ROSE                                                          
-------------------------------------                                     
Name: THOMAS G. ROSE                                                      
Title: Vice President                                                     

SC 13G/A
Last Page of 8
TOC
1st
Previous
Next
↓Bottom
Just 8th
EXHIBIT 7.2                                   

POWER OF ATTORNEY FOR                               
WILLIAM C. MORRIS                               

KNOWN ALL MEN BY THESE PRESENTS,  that the undersigned hereby appoints
Frank J. Nasta,  attorney-in-fact  and agent, with full power of substitution   
and  resubstitution,  for in name and stead, to sign and file Forms 13D and 13G 
promulgated  under Section 13 of the Securities  Exchange Act of 1934, as       
amended,  or further Amendments  thereto,  and any and all applications or other
documents to be filed with the Securities and Exchange Commission  pertaining   
thereto,  with full power and authority to do and perform all acts and things   
requisite  and necessary to be done on the premises.  This  appointment  shall  
be valid for the sole purpose stated above and shall be in effect and force,    
unless sooner revoked by me in writing.                                         

Executed this 2nd day of February, 1998.                              

         /s/ William C. Morris
              ------------------------------
           William C. Morris

Dates Referenced Herein   and   Documents Incorporated by Reference

				Referenced-On Page
This ‘SC 13G/A’ Filing		Date		First		Last			Other Filings
Filed on:		2/13/07		6		7			13F-HR,  SC 13G,  SC 13G/A
		12/31/06		1					13F-HR
									List all Filings