Thrivent exits CHI Series D preferred stake

CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND (CHI) is the issuer of the Mandatory Redeemable Preferred Shares, Series D covered by this Schedule 13G/A (Amendment No. 2).

Rhea-AI Filing Summary

CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND (CHI) is the issuer of the Mandatory Redeemable Preferred Shares, Series D covered by this Schedule 13G/A (Amendment No. 2). Thrivent Financial for Lutherans reports that it now beneficially owns 0 shares of this Series D class, representing 0% of the class.

Thrivent states it has no sole or shared voting or dispositive power over any shares of this security, confirming that it no longer holds a reportable position and now owns 5 percent or less of this class.

Key Figures

Beneficially owned shares: 0 shares Percent of class owned: 0% Sole voting power: 0 shares +3 more

6 metrics

Beneficially owned shares 0 shares Amount beneficially owned in CHI Mandatory Redeemable Preferred Shares, Series D

Percent of class owned 0% Percent of CHI Mandatory Redeemable Preferred Shares, Series D class

Sole voting power 0 shares Shares over which Thrivent has sole power to vote or direct the vote

Shared voting power 0 shares Shares over which Thrivent has shared power to vote or direct the vote

Sole dispositive power 0 shares Shares over which Thrivent has sole power to dispose or direct disposition

Shared dispositive power 0 shares Shares over which Thrivent has shared power to dispose or direct disposition

Key Terms

Mandatory Redeemable Preferred Shares, beneficially owned, dispositive power, fraternal benefit society

4 terms

Mandatory Redeemable Preferred Shares financial

"Title of class of securities: Mandatory Redeemable Preferred Shares, Series D"

A share that pays a fixed return and must be bought back by the issuer at a set time or upon a predetermined event, combining features of stock and a loan. It matters to investors because holders get priority on payments and a promised repayment date—like lending money with a scheduled payback—so these shares limit upside from company growth but reduce risk compared with ordinary shares and can affect a company’s future cash needs.

beneficially owned financial

"Ownership (a) | Amount beneficially owned: 0"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

dispositive power financial

"Sole power to dispose or to direct the disposition of: 0"

Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

fraternal benefit society financial

"Thrivent Financial for Lutherans is a Wisconsin fraternal benefit society"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does this Schedule 13G/A filing mean for CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND (CHI)?

The filing shows that Thrivent Financial for Lutherans now reports 0 shares and 0% beneficial ownership of CHI’s Mandatory Redeemable Preferred Shares, Series D, with no voting or dispositive power over any shares.

Who is the reporting holder in this CHI Schedule 13G/A (Amendment No. 2)?

The reporting holder is Thrivent Financial for Lutherans, described as a Wisconsin fraternal benefit society with its principal office at 901 Marquette Avenue, Suite 2500, Minneapolis, Minnesota 55402.

What security class of CHI is covered by this Schedule 13G/A?

The filing covers CHI’s Mandatory Redeemable Preferred Shares, Series D, identified by CUSIP 1281173*7. Thrivent reports no current beneficial ownership in this specific preferred share series.

What is Thrivent’s reported ownership percentage in CHI’s Series D preferred shares?

Thrivent reports a 0% ownership stake in CHI’s Mandatory Redeemable Preferred Shares, Series D, indicating it now owns 5 percent or less of this class and in fact lists its beneficially owned amount as 0 shares.

Does Thrivent retain any voting or dispositive power over CHI’s Series D preferred shares?

No. Thrivent reports 0 shares with no sole or shared voting power and no sole or shared dispositive power over CHI’s Mandatory Redeemable Preferred Shares, Series D.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/25/2026 - 04:46 PM EDT Accepted by SEC EDGAR 08/25/2026 - 04:45 PM EDT Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 2)

CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND

(Name of Issuer)

Mandatory Redeemable Preferred Shares, Series D

(Title of Class of Securities)

1281173*7

(CUSIP Number)

08/24/2026

(Date of Event Which Requires Filing of this Statement)

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

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 1281173*7

1

Names of Reporting Persons

THRIVENT FINANCIAL FOR LUTHERANS

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

WISCONSIN

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

0.00

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)

0.0 %

12

Type of Reporting Person (See Instructions)

IC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND
(b)	Address of issuer's principal executive offices: 2020 CALAMOS COURT, C/O CALAMOS ADVISORS LLC, NAPERVILLE, ILLINOIS, 60563.
Item 2.
(a)	Name of person filing: Thrivent Financial for Lutherans
(b)	Address or principal business office or, if none, residence: 901 Marquette Avenue, Suite 2500 Minneapolis, Minnesota 55402
(c)	Citizenship: Thrivent Financial for Lutherans is a Wisconsin fraternal benefit society.
(d)	Title of class of securities: Mandatory Redeemable Preferred Shares, Series D
(e)	CUSIP No.: 1281173*7
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	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)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 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)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 0
(b)	Percent of class: 0 %
(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: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 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.

Certifications:

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, other than activities solely in connection with a nomination under § 240.14a-11.

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.

THRIVENT FINANCIAL FOR LUTHERANS

Signature:	/s/ David Royal
Name/Title:	Chief Investment Officer
Date:	08/25/2026