ALPHATEC HLDGS INC

Ticker: ATEC CUSIP: 02081G201 Class: Com

OXFORD ASSET MANAGEMENT LLP's Holding History (CIK: 0001438284)

Note: Option positions (PUT/CALL) are excluded.

Q4 2018

Shares 15,226 Value ($000) $35 Avg Close $2.82 Range $2.02 - $3.38

Q3 2018

Shares 68,092 Value ($000) $231 Avg Close $3.15 Range $2.55 - $3.95

Q2 2018

Shares 21,485 Value ($000) $65 Avg Close $3.55 Range $2.66 - $4.21

Q4 2017

Shares 12,983 Value ($000) $34 Avg Close $3.20 Range $2.25 - $4.27

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	15,226	$35	$2.82	$2.02 - $3.38
Q3 2018	68,092	$231	$3.15	$2.55 - $3.95
Q2 2018	21,485	$65	$3.55	$2.66 - $4.21
Q4 2017	12,983	$34	$3.20	$2.25 - $4.27