CUSIP No. 67071M104
1. Names of Reporting Persons, I.R.S. Identification Nos.
of above persons (entities only):
First Trust Portfolios L.P.: 36-3768815
First Trust Advisors L.P.: 36-3788904
The Charger Corporation: 36-3772451
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 of each
Reporting Person: Illinois, U.S.A.
Number of 5. Sole Voting Power: 0
Shares Bene-
ficially
Owned by Each 6. Shared Voting Power:
Reporting Such shares are held by the following entities in the
Person With: respective amounts listed:
First Trust Portfolios L.P.: 0
First Trust Advisors L.P.: 0
The Charger Corporation: 0
7. Sole Dispositive Power: 0
8. Shared Dispositive Power:
Such shares are held by the following entities in the
respective amounts listed:
First Trust Portfolios L.P.: 2,309,468
First Trust Advisors L.P.: 2,309,468
The Charger Corporation: 2,309,468
9. Aggregate Amount Beneficially Owned by Each
Reporting Person: 2,309,468
10. Check if the Aggregate Amount in Row (9) Excludes
Certain Shares (See Instructions)
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11. Percent of Class Represented by Amount in Row (9): 15.1%
12. Type of Reporting Person (See Instructions)
First Trust Portfolios L.P. - BD
First Trust Advisors L.P. - IA
The Charger Corporation - HC
ITEM 1.
(a) Name of Issuer: Nuveen Insured California Dividend
Advantage Municipal Fund
(b) Address of issuer's Principal Executive Offices
John Nuveen & Co. Inc.
Attn: Legal Department
333 West Wacker Drive
Chicago, IL 60606
USA
ITEM 2.
(a) Name of Person Filing
First Trust Portfolios L.P.
First Trust Advisors L.P.
The Charger Corporation
(b) Address of Principal Business Office or, if none, Residence
First Trust Portfolios L.P.
120 East Liberty Drive, Suite 400
Wheaton, Illinois 60187
First Trust Advisors L.P.
120 East Liberty Drive, Suite 400
Wheaton, Illinois 60187
The Charger Corporation
120 East Liberty Drive, Suite 400
Wheaton, Illinois 60187
(c) Citizenship of each Reporting Person:
Illinois, U.S.A.
(d) Title of Class of Securities
Common Stock
(e) CUSIP Number 67071M104
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ITEM 3. If this statement is filed pursuant to Sec. 240.13d-1(b) or
240.13d-2(b) or (c), check whether the person filing is a:
(a) x Broker or dealer registered under section 15 of the Act
(15 U.S.C. 78o).
(b) Bank as defined in section 3(a)(6) of the Act
(15 U.S.C. 78c).
(c) Insurance company as defined in section 3(a)(19) of the Act
(15 U.S.C. 78c).
(d) Investment company registered under section 8 of the
Investment Company Act of 1940 (15 U.S.C. 80a-8).
(e) x An investment adviser in accordance with
Sec. 240.13d-1 (b)(1)(ii)(E).
(f) An employee benefit plant or endowment fund in accordance
with Sec. 140.13d-1(b)(1)(ii)(F).
(g) x A parent holding company or control person in accordance
with Sec. 240.13d-1(b)(1)(ii)(G).
(h) A savings associations as defined in Section 3(b) of the
Federal Deposit Insurance Act (12 U.S.C. 1813).
(i) A church plan that is excluded from the definition of an
investment company under section 3(c)(14) of the Investment
Company Act of 1940 (15 U.S.C. 80a-3).
(j) Group, in accordance with Sec. 240.13d-1(b)1(ii)(J).
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) Amount beneficially owned: 2,309,468
(b) Percent of class: 15.1%
(c) Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote: 0
(ii) Shared power to vote or to direct the vote: 0
(iii) Sole power to dispose or to direct the disposition
of: 0
(iv) Shared power to dispose or to direct the disposition
of: 2,309,468
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Instruction. For computations regarding securities which represent a right to
acquire an underlying security see Sec. 204.13d-3(d)(1).
ITEM 5. Ownership of Five Percent or Less of a Class
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 [ ].
Instruction: Dissolution of a group requires a response to this item.
ITEM 6. Ownership of More than Five Percent on Behalf of Another Person
This Schedule 13G filing is jointly filed by The Charger Corporation, First
Trust Portfolios L.P. and First Trust Advisors L.P. pursuant to Rule
13d-1(k)(1). The Charger Corporation is the General Partner of both First Trust
Portfolios L.P. and First Trust Advisors L.P. First Trust Portfolios L.P. acts
as sponsor of certain unit investment trusts which hold shares of the issuer.
The total number of shares of the issuer held by these unit investment trusts
is set forth in Row (8) above with respect to First Trust Portfolios L.P. No
individual unit investment trust sponsored by First Trust Portfolios L.P. holds
more than 3% of any registered investment company issuer's shares. First Trust
Advisors L.P., an affiliate of First Trust Portfolios L.P., acts as portfolio
supervisor of the unit investment trusts sponsored by First Trust Portfolios
L.P., certain of which hold shares of the issuer. Neither First Trust Portfolios
L.P., First Trust Advisors L.P. nor The Charger Corporation have the power to
vote the shares of the issuer held by these unit investment trusts sponsored by
First Trust Portfolios L.P. These shares are voted by the trustee of such unit
investment trusts so as to insure that the shares are voted as closely as
possible in the same manner and in the same general proportion as are the shares
held by owners other than such unit investment trusts. The difference, if any,
between the aggregate amount of shares beneficially owned by each reporting
person, as set forth in Row (9) above, and the number of shares of the issuer
held by the unit investment trusts sponsored by First Trust Portfolios L.P.
represents shares of the issuer which are either held in other registered
investment companies, pooled investment vehicles and/or separately managed
accounts for which First Trust Advisors L.P. serves as investment advisor and/or
investment sub-advisor. Each of First Trust Portfolios L.P., First Trust
Advisors L.P. and The Charger Corporation disclaims beneficial ownership of the
shares of the issuer identified in this filing.
ITEM 7. Identification and Classification of the Subsidiary Which Acquired
the Security Being Reported on By the Parent Holding Company
See Item 6.
ITEM 8. Identification and Classification of Members of the Group
Not Applicable.
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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 acquired and are held in the
ordinary course of business and 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 that
purpose or effect.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete
and correct.
FIRST TRUST PORTFOLIOS L.P.,
FIRST TRUST ADVISORS L.P. and
THE CHARGER CORPORATION
Date: January 10, 2012
By: /s/ Mark R. Bradley
---------------------------
Mark R. Bradley
Chief Financial Officer and
Chief Operating Officer of
First Trust Portfolios L.P. and
First Trust Advisors L.P., and
Treasurer of The Charger Corporation
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