Danish Hedge Fund Manager Claus Moller Dumping Forrester Research Inc. (NASDAQ:FORR)

CUSIP No.   346563109

13D

1

Name of Reporting Person.
P2 Capital Master Fund I, L.P.

I.R.S. Identification No. of Above Person (Entities Only).

98-0515452

2

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

 o

(b)

 x

3

SEC Use Only

4

Source of Funds (See Instructions)
WC

5

Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)     o

6

Citizenship or Place of Organization
Cayman Islands, British West Indies

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

7

Sole Voting Power
0

8

Shared Voting Power
261,600

9

Sole Dispositive Power
0

10

Shared Dispositive Power
261,600

11

Aggregate Amount Beneficially Owned by Each Reporting Person
261,600

12

Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)   o

13

Percent of Class Represented by Amount in Row (11)
1.4%

14

Type of Reporting Person (See Instructions)
PN