BlackRock Investment Management, LLC - MGC DIAGNOSTICS CORP ownership

MGC DIAGNOSTICS CORP's ticker is MGCD and the CUSIP is 552768103. A total of 15 filers reported holding MGC DIAGNOSTICS CORP in Q2 2015. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
BlackRock Investment Management, LLC ownership history of MGC DIAGNOSTICS CORP
ValueSharesWeighting
Q1 2015$5,0000.0%7570.0%0.00%
Q4 2014$5,0000.0%7570.0%0.00%
Q3 2014$5,000
-16.7%
7570.0%0.00%
Q2 2014$6,0007570.00%
Other shareholders
MGC DIAGNOSTICS CORP shareholders Q2 2015
NameSharesValueWeighting ↓
Penbrook Management LLC 58,549$741,0000.72%
PERKINS CAPITAL MANAGEMENT INC 41,000$519,0000.35%
OBERWEIS ASSET MANAGEMENT INC/ 106,901$1,353,0000.33%
Perceptive Advisors 179,619$2,274,0000.27%
Hatteras Alternative Mutual Funds, LLC 21,100$267,0000.15%
PERRITT CAPITAL MANAGEMENT INC 70,250$889,0000.15%
ALGERT GLOBAL LLC 11,470$145,0000.04%
CADENCE CAPITAL MANAGEMENT LLC 48,270$611,0000.02%
BRIDGEWAY CAPITAL MANAGEMENT, LLC 18,200$230,0000.01%
Renaissance Technologies 241,712$3,060,0000.01%
View complete list of MGC DIAGNOSTICS CORP shareholders