13G Filing: Broadfin Capital and Alphatec Holdings Inc. (NASDAQ:ATEC)

CUSIP No

02081G201

1.

NAME OF REPORTING PERSONS

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

Broadfin Capital, 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

1,164,618

7.

SOLE DISPOSITIVE POWER

0

8.

SHARED DISPOSITIVE POWER

1,164,618

9.

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

1,164,618

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)

9.99%

12.

TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

IA, OO