13G Filing: Tiger Management and T2 Biosystems Inc. (TTOO)

CUSIP No

89853L104

1.

NAME OF REPORTING PERSONS

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

Tiger Partners Trading LLC

2.

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

(a)  [_]

(b)  [X]

3.

SEC USE ONLY

4.

CITIZENSHIP OR PLACE OF ORGANIZATION

Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH

5.

SOLE VOTING POWER

0

6.

SHARED VOTING POWER

1,737,085

7.

SOLE DISPOSITIVE POWER

0

8.

SHARED DISPOSITIVE POWER

1,737,085

9.

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

1,737,085

10.

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)

[_]

11.

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

5.68%

12.

TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

OO