TWO SIGMA INVESTMENTS, LP - ALPHATEC HOLDINGS INC ownership

ALPHATEC HOLDINGS INC's ticker is ATEC and the CUSIP is 02081G102. A total of 67 filers reported holding ALPHATEC HOLDINGS INC in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
TWO SIGMA INVESTMENTS, LP ownership history of ALPHATEC HOLDINGS INC
ValueSharesWeighting
Q4 2014$31,000
-66.3%
22,043
-59.5%
0.00%
Q3 2014$92,000
+119.0%
54,379
+111.2%
0.00%
Q2 2014$42,000
+90.9%
25,742
+79.0%
0.00%
Q1 2014$22,000
-68.1%
14,379
-57.8%
0.00%
Q4 2013$69,000
+176.0%
34,051
+162.8%
0.00%
Q3 2013$25,000
-67.5%
12,958
-65.7%
0.00%
-100.0%
Q2 2013$77,00037,7280.00%
Other shareholders
ALPHATEC HOLDINGS INC shareholders Q4 2013
NameSharesValueWeighting ↓
StepStone Group LP 1,344,179$2,016,0001.86%
Waterstone Capital Management, L.P. 825,714$1,239,0000.32%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 3,982,738$5,974,0000.24%
CHUBB CORP 2,302,070$3,453,0000.19%
PARADIGM CAPITAL MANAGEMENT INC/NY 1,335,446$2,003,0000.14%
ESSEX INVESTMENT MANAGEMENT CO LLC 353,334$530,0000.08%
Formidable Asset Management, LLC 67,231$91,0000.06%
PACIFIC ALTERNATIVE ASSET MANAGEMENT COMPANY, LLC 182,060$273,0000.05%
Spark Investment Management LLC 197,400$294,0000.05%
KOPP INVESTMENT ADVISORS LLC 69,145$104,0000.04%
View complete list of ALPHATEC HOLDINGS INC shareholders