GROUP ONE TRADING, L.P. - HARVARD APPARATUS REGENER TE ownership

HARVARD APPARATUS REGENER TE's ticker is HART and the CUSIP is 41690A106. A total of 53 filers reported holding HARVARD APPARATUS REGENER TE in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of HARVARD APPARATUS REGENER TE
ValueSharesWeighting
Q1 2014$6,000
-76.0%
644
-87.8%
0.00%
Q4 2013$25,0005,2770.00%
Other shareholders
HARVARD APPARATUS REGENER TE shareholders Q4 2013
NameSharesValueWeighting ↓
Penbrook Management LLC 279,163$1,926,0000.92%
683 Capital Management, LLC 100,152$908,0000.35%
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. 237,162$2,151,0000.29%
HUSSMAN STRATEGIC ADVISORS, INC. 232,500$2,109,0000.16%
GM Advisory Group, LLC 21,025$186,0000.14%
THOMPSON DAVIS & CO., INC. 7,875$71,0000.12%
Granahan Investment Management 380,395$3,450,0000.09%
SIGNIA CAPITAL MANAGEMENT LLC 23,209$211,0000.08%
BARD ASSOCIATES INC 18,777$170,0000.07%
WOODMONT INVESTMENT COUNSEL LLC 20,083$182,0000.05%
View complete list of HARVARD APPARATUS REGENER TE shareholders