13D Filing: Shannon River Fund Management and Immersion Corp (IMMR)

1.

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

Shannon River Partners LP

2.

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a)    [ ]

(b)    [ ]

3.

SEC USE ONLY

4.

SOURCE OF FUNDS

WC

5.

CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)      [ ]

6.

CITIZENSHIP OR PLACE OF ORGANIZATION

Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

7.

SOLE VOTING POWER

0

8.

SHARED VOTING POWER

203,828

9.

SOLE DISPOSITIVE POWER

0

10.

SHARED DISPOSITIVE POWER

203,828

11.

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

203,828

12.

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)
EXCLUDES CERTAIN SHARES    [ ]

13.

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

0.69%

14.

TYPE OF REPORTING PERSON

PN