SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549

 

SCHEDULE 13G/A

 

Under the Securities Exchange Act of 1934

(Amendment No. 2)*



 

Guggenheim Enhanced Short Duration Bond
(Name of Issuer)

 

 

Exchange Traded Fund
(Title of Class of Securities)

 

 

18383M654
(CUSIP Number)

 

 

November 30, 2012
(Date of Event Which Requires Filing of this Statement)

 

 

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

 

x Rule 13d-1(b)

o Rule 13d-1(c)

o Rule 13d-1(d)

 

 

*The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

 

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

 


 

 

CUSIP No.  18383M654
  SCHEDULE 13G /A
Page 2 of 6 Pages
         
1
NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) 
 
Windhaven Investment Management, Inc.
27-3763801 
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)
(a) o
(b) o
 
3
SEC USE ONLY
 
 
4
CITIZENSHIP OR PLACE OF ORGANIZATION
 
Massachusetts, United States
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
5
SOLE VOTING POWER
 
2,423,410
6
SHARED VOTING POWER
 
0
7
SOLE DISPOSITIVE POWER
 
2,423,410
8
SHARED DISPOSITIVE POWER
 
0
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
2,423,410
10
CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions)
 
 
o
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
 
52.68%
12
TYPE OF REPORTING PERSON (See Instructions)
 
IA

 

 
 

 

CUSIP No.  18383M654
  SCHEDULE 13G /A
Page 3 of  6 Pages

 

Item 1. (a) Name of Issuer

Guggenheim Enhanced Short Duration Bond

(b) Address of Issuer’s Principal Executive Offices

c/o Guggenheim Funds Distributors, Inc.

2455 Corporate West Drive

Lisle, IL 60532

Item 2. (a) Name of Person Filing

Windhaven Investment Management, Inc.

(b) Address of Principal Business Office, or, if none, Residence

One International Place, 33rd Floor

Boston, MA 02110

United States

(c) Citizenship

Please refer to Item 4 on each cover sheet for each filing person  

  (d) Title of Class of Securities

Exchange Traded Fund

  (e) CUSIP No.:

18383M654

 
 

 

CUSIP No.  18383M654
  SCHEDULE 13G /A
Page 4 of 6 Pages