GROUP ONE TRADING, L.P. - SYNERGETICS USA INC ownership

SYNERGETICS USA INC's ticker is SURG and the CUSIP is 87160G107. A total of 55 filers reported holding SYNERGETICS USA INC in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of SYNERGETICS USA INC
ValueSharesWeighting
Q3 2015$76,000
+3700.0%
11,500
+2200.0%
0.00%
Q2 2015$2,000
-33.3%
5000.0%0.00%
Q1 2015$3,0000.0%500
-37.5%
0.00%
Q4 2013$3,000
-40.0%
800
-27.3%
0.00%
Q3 2013$5,000
+150.0%
1,100
+83.3%
0.00%
Q2 2013$2,0006000.00%
Other shareholders
SYNERGETICS USA INC shareholders Q4 2013
NameSharesValueWeighting ↓
Pacific Ridge Capital Partners, LLC 435,630$1,485,0000.76%
WHITE PINE CAPITAL LLC 581,200$1,982,0000.68%
MARXE AUSTIN W & GREENHOUSE DAVID M 1,036,727$3,535,0000.48%
Nantahala Capital Management 1,082,792$3,692,0000.45%
PARADIGM CAPITAL MANAGEMENT INC/NY 1,557,400$5,311,0000.44%
NORTHPOINTE CAPITAL LLC 878,572$2,996,0000.32%
Cortina Asset Management, LLC 1,922,536$6,556,0000.28%
ATLANTIC INVESTMENT Co 54,925$187,0000.18%
Grandeur Peak Global Advisors, LLC 188,262$642,0000.16%
Plancorp, LLC 39,714$135,0000.14%
View complete list of SYNERGETICS USA INC shareholders