TWO SIGMA INVESTMENTS, LP - ALPHATEC HOLDINGS INC ownership

ALPHATEC HOLDINGS INC's ticker is ATEC and the CUSIP is 02081G102. A total of 71 filers reported holding ALPHATEC HOLDINGS INC in Q3 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 Q3 2013
NameSharesValueWeighting ↓
StepStone Group LP 1,344,179$2,097,0000.49%
PARADIGM CAPITAL MANAGEMENT INC/NY 3,442,369$5,852,0000.49%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 3,982,738$6,771,0000.25%
CHUBB CORP 2,302,070$3,914,0000.21%
ESSEX INVESTMENT MANAGEMENT CO LLC 386,674$657,0000.10%
Rotella Capital Management, Inc. 49,787$85,0000.09%
KOPP INVESTMENT ADVISORS LLC 99,055$168,0000.08%
Formidable Asset Management, LLC 37,231$57,0000.04%
Spark Investment Management LLC 142,400$242,0000.04%
C WorldWide Group Holding A/S 1,317,779$2,267,0000.03%
View complete list of ALPHATEC HOLDINGS INC shareholders