INVESTORS FINANCIAL SERVICES CORP

Q: Mar 31 2007

FY: Dec 31 2006

FY: Dec 31 2006

FY: Dec 31 2006

Q: Sep 30 2006

Q: Jun 30 2006

Q: Mar 31 2006

FY: Dec 31 2005

Q: Sep 30 2005

Q: Jun 30 2005

Q: Mar 31 2005

FY: Dec 31 2004

Q: Jun 30 2004

FY: Dec 31 2003

Q: Sep 30 2004

Q: Mar 31 2004

Q: Sep 30 2004

Q: Jun 30 2004

Q: Mar 31 2004

FY: Dec 31 2003

8.01,9.01

2.02,9.01

1.01,9.01

8.01,9.01

2.02,9.01

2.02,9.01

Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers

Results of Operations and Financial Condition

2.02,9.01

8.01

Other Events

1.01

2.02,9.01

5.02

Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers

Results of Operations and Financial Condition

5.02,9.01

2.02,9.01

2.02,9.01

2.02,9.01

Certification of termination of registration of a class of securities (Section 12(g))

Notification of removal from listing and/or registration on a national securities exchange

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

No description available

Prospectus Supplement with Pricing Information

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

No description available

Post-effective amendment to a registration statement

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

No description available

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

LEGG MASON CAPITAL MANAGEMENT INC

ARTISAN PARTNERS LTD PARTNERSHIP

CONDON FRANK B JR

Boyatzi Richard P

MARONEY EDMUND J

OATES JAMES M

SHEEHAN KEVIN J

CONDON FRANK B JR

ROGERS MICHAEL F

SWERSKY PHYLLIS S

HENRY JOHN E

SPINNEY JOHN N JR

MANCUSO ROBERT D

MCDERMOTT THOMAS P

Snow John I III

MARONEY EDMUND J

SPINNEY JOHN N JR

MCDERMOTT THOMAS P

MANCUSO ROBERT D

HENRY JOHN E

Letter from the SEC

Letter from the SEC

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC