CALAMOS TOTAL RETURN BOND FUND — new fund registration

CALAMOS INVESTMENT TRUST/IL registered 1 new fund series on Form 485APOS, filed 2007-04-11. Featured series: CALAMOS TOTAL RETURN BOND FUND.

Registration

Registrant / trust: CALAMOS INVESTMENT TRUST/IL
CIK: 0000826732
Form: 485APOS
Filed: 2007-04-11
State of incorporation: MA
Accession: 0000950137-07-005423
Reported net assets: $23.5M

Series & classes (5)

Series	Class	Ticker	New
CALAMOS TOTAL RETURN BOND FUND	CLASS A SHARES	CTRAX	Yes
CALAMOS TOTAL RETURN BOND FUND	CLASS B SHARES	—	Yes
CALAMOS TOTAL RETURN BOND FUND	CLASS C SHARES	CTRCX	Yes
CALAMOS TOTAL RETURN BOND FUND	CLASS I SHARES	CTRIX	Yes
CALAMOS TOTAL RETURN BOND FUND	CLASS R SHARES	—	Yes

Fees (from the effective prospectus)

12b-1 fee: 0.25%
Gross expense ratio: 1.26%
Management fee: 0.45%
Net expense ratio: 0.90%
Other expenses: 0.56%

Investment objective

Calamos Total Return Bond Fund's investment objective is to seek total return, consistent with preservation of capital and prudent investment management.

Advisers

Calamos Advisors LLC (Advisor)