SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* A&B Equity Holdings, LLC (Last) (First) (Middle) 2. N. RIVERSIDE PLAZA SUITE 1240 (Street) CHICAGO IL 60606 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 04/01/2014	3. Issuer Name and Ticker or Trading Symbol NANOSPHERE INC [ NSPH ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) X Other (specify below) Member of 10% ownership group	5. If Amendment, Date of 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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	10,182,639(1)	D(2)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. These shares were contributed to A&B Equity Holdings, LLC ("A&B Equity") by Lurie Lending Company, L.L.C. ("Lurie Lending. "). A&B Equity was Lurie Lending's wholly-owned subsidiary at the time of the contribution.

2. After the contribution of the shares by Lurie Lending, the ownership of A&B Equity was transferred to four trusts for which Ann Lurie is the trustee. As reported in the Form 4 filed on April 3, 2014, the shares remain owned indirectly by Ann Lurie. Ann Lurie disclaims beneficial ownership of all shares reported in this Form 3 except to the extent of her pecuniary interest therein.

Remarks:

	A&B Equity Holdings, LLC By: Ann and Bob Trust 1, Manager By: /s/ Ann Lurie, as Trustee	04/08/2014
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (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).
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