RDN Radian Group Inc

CUSIP No. 750236101
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1. NAMES OF REPORTING PERSONS
 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

 Frederik W. Mohn

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

3. SEC USE ONLY

4. CITIZENSHIP OR PLACE OF ORGANIZATION

 Norwegian

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH

5. SOLE VOTING POWER

 4,480,084

6. SHARED VOTING POWER

 0

7. SOLE DISPOSITIVE POWER

 4,480,084

8. SHARED DISPOSITIVE POWER

 0

9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 4,480,084

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

 [_]

11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

 5.4%

12. TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

 IN

CUSIP No. 750236101
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Item 1(a). Name of Issuer:

 Radian Group Inc.
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 (b). Address of Issuer's Principal Executive Offices:

 1601 Market Street, Philadelphia, PA 19103
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Item 2(a). Name of Person Filing:

 Frederik W. Mohn
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 (b). Address of Principal Business Office, or if None, Residence:

 P.O. Box 98
 Slatthaug, 5851
 Bergen, Norway
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 (c). Citizenship:

 Norwegian
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 (d). Title of Class of Securities:

 Common Stock, $.001 par value per share
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 (e). CUSIP Number:

 750236101
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Item 3. If This Statement is filed pursuant to ss.240.13d-1(b) or
 240.13d-2(b), or (c), check whether the person filing is a:

 Not applicable.

Item 4. Ownership.

 Provide the following information regarding the aggregate number and
percentage of the class of securities of the issuer identified in Item 1.

 A. Frederik W. Mohn

 (a) Amount beneficially owned: 4,480,084

 (b) Percent of class: 5.4%

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

 (i) Sole power to vote or to direct the vote: 4,480,084

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

 (iii) Sole power to dispose or to direct
 the disposition of: 4,480,084

 (iv) Shared power to dispose or to direct
 the disposition of: 0

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.

 Not applicable.

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