Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
SINKS PATRICK
   2. Issuer Name and Ticker or Trading Symbol
MGIC INVESTMENT CORP [MTG] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Executive Vice President
(Last)
(First)
(Middle)
MGIC PLAZA, 250 EAST KILBOURN AVENUE		 3. Date of Earliest Transaction (Month/Day/Year)
11/08/2005
(Street)

MILWAUKEE, WI 53202		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 11/08/2005   M   2,000 A $ 46.0625 69,444 D  
Common Stock 11/08/2005   M   4,500 A $ 45.375 73,944 D  
Common Stock 11/08/2005   S   6,500 D $ 61.73 67,444 D  
Common Stock               1,581.082 (1) I By Issuer's Profit Sharing and Savings Plan

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Options (Right to Buy) $ 46.0625 11/08/2005   M     2,000   (2) 05/05/2009 Common Stock 2,000 $ 0 0 D  
Employee Stock Options (Right to Buy) $ 45.375 11/08/2005   M     4,500   (3) 01/26/2010 Common Stock 4,500 $ 0 11,700 D  
Employee Stock Options (Right to Buy) $ 57.88               (4) 01/24/2011 Common Stock 7,500   7,500 D  
Employee Stock Options (Right to Buy) $ 63.8               (5) 01/23/2012 Common Stock 20,000   20,000 D  
Employee Stock Options (Right to Buy) $ 43.7               (6) 01/22/2013 Common Stock 20,000   20,000 D  
Employee Stock Options (Right to Buy) $ 68.2               (7) 01/28/2014 Common Stock 40,000   40,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
SINKS PATRICK
MGIC PLAZA
250 EAST KILBOURN AVENUE
MILWAUKEE, WI 53202		       Executive Vice President  

Signatures

 Dan D. Stilwell   11/08/2005
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Balance as of December 31, 2004.
(2) All of these options are vested and exercisable in full.
(3) Vesting of these options occurs on January 26 of each of the five years beginning in 2001, at a rate equal to the percent by which the Issuer's earnings per share for the prior fiscal year was of $31.2, subject to at least a 10% increase in the Issuer's earnings per share from the prior fiscal year, and with any portion of the option which has not been vested at January 26, 2005 becoming vested on January 26, 2009.
(4) One-fifth of these options vest on January 24 of each of the five years beginning in 2002.
(5) One-fifth of these options vest on January 23 of each of the five years beginning in 2003.
(6) One-fifth of these options vest on January 22 of each of the five years beginning in 2004.
(7) One-fifth of these options vest on January 28 of each of the five years beginning in 2005.
 
Remarks:
The reporting person serves as Executive Vice President - Field Operations of the Issuer's principal operating subsidiary, Mortgage Guaranty Insurance Corporation.  This form is signed by the reporting person's attorney-in-fact pursuant to a previously filed power of attorney.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

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