Dear Valued Visitor,

We have noticed that you are using an ad blocker software.

Although advertisements on the web pages may degrade your experience, our business certainly depends on them and we can only keep providing you high-quality research based articles as long as we can display ads on our pages.

To view this article, you can disable your ad blocker and refresh this page or simply login.

We only allow registered users to use ad blockers. You can sign up for free by clicking here or you can login if you are already a member.

13D Filing: Blue Harbour Group and Investors Bancorp Inc. (NASDAQ:ISBC)

Page 1 of 8

You can access the original SEC filing by clicking here.

Ownership Summary Table

Name Sole Voting Power Shared Voting Power Sole Dispositive Power Shared Dispositive Power Aggregate Amount Owned Power Percent of Class
Blue Harbour Group 0 29,582,428 0 29,582,428 29,582,428 9.5%
Blue Harbour Holdings 0 29,582,428 0 29,582,428 29,582,428 9.5%
Clifton S. Robbins 0 29,582,428 0 29,582,428 29,582,428 9.5%
Clifton S. Robbins
Clifton S. Robbins
Blue Harbour Group

Page 1 of 8 – SEC Filing

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13D/A
Under the Securities Exchange Act of 1934
(Amendment No. 4)*

Investors
Bancorp, Inc.

(Name of Issuer)

Common Stock,
$0.01 par value

(Title of Class of Securities)

46146L101

(CUSIP Number)

Peter Carlin

Blue Harbour Group, L.P.

646 Steamboat Road

Greenwich, Connecticut 06830

(203) 422-6540

with a copy to:

Eleazer Klein, Esq.

Marc Weingarten, Esq.

Aneliya Crawford, Esq.

Schulte Roth & Zabel LLP

919 Third Avenue

New York, New York 10022

(212) 756-2000

(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)

March 27,
2017

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule
13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(e), Rule
13d-1(f) or Rule 13d-1(g), check the following box. [ ]

(Page 1 of 8 Pages)

______________________________

* 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 on 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).

Follow Investors Bancorp Inc. (NASDAQ:ISBC)
Trade (NASDAQ:ISBC) Now!
Page 1 of 8