Penbrook Management LLC - MGC DIAGNOSTICS CORP ownership

MGC DIAGNOSTICS CORP's ticker is MGCD and the CUSIP is 552768103. A total of 19 filers reported holding MGC DIAGNOSTICS CORP in Q2 2014. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
Penbrook Management LLC ownership history of MGC DIAGNOSTICS CORP
ValueSharesWeighting
Q1 2014$741,0000.0%58,5490.0%0.36%
-50.6%
Q4 2013$741,00058,5490.72%
Other shareholders
MGC DIAGNOSTICS CORP shareholders Q2 2014
NameSharesValueWeighting ↓
Perceptive Advisors 316,459$2,652,0000.26%
PERRITT CAPITAL MANAGEMENT INC 70,800$588,0000.10%
Hatteras Alternative Mutual Funds, LLC 21,700$182,0000.08%
Renaissance Technologies 264,040$2,192,0000.01%
Ground Swell Capital, LLC 150$1,0000.00%
Nationwide Fund Advisors 23,302$195,0000.00%
Tower Research Capital LLC (TRC) 724$6,0000.00%
MORGAN STANLEY 12,545$104,0000.00%
BlackRock Institutional Trust Company, N.A. 119,646$993,0000.00%
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 16,310$137,0000.00%
View complete list of MGC DIAGNOSTICS CORP shareholders