13G Filing: Perella Weinberg Partners and Nanosphere Inc (NSPH)

Item 4.

Ownership.

(a)

Amount beneficially owned:   

See the response(s) to Item 9 on the attached cover page(s).

(b)

Percent of class:   

See the response(s) to Item 11 on the attached cover page(s).

(c)

Number of shares as to which the person has:

(i)

Sole power to vote or to direct the vote:   

See the response(s) to Item 5 on the attached cover page(s).

(ii)

Shared power to vote or to direct the vote:    

See the response(s) to Item 6 on the attached cover page(s).

(iii)

Sole power to dispose or to direct the disposition of:   

See the response(s) to Item 7 on the attached cover page(s).

(iv)

Shared power to dispose or to direct the disposition of:   

See the response(s) to Item 8 on the attached cover page(s).

Item 5.

Ownership of Five Percent or Less of a Class.

o   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

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.

Not Applicable. 

Item 8.

Identification and Classification of Members of the Group.

Not Applicable. 

Item 9.

Notice of Dissolution of Group.

Not Applicable.