MGC DIAGNOSTICS CORP - 552768103

Detailed investor-level table based on 13F positions.
Early Q2 2014 data: only 6 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.

Shareholders (13F)

Quarter: Q1 2014 · Compare: Q4 2013
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
RENAISSANCE TECHNOLOGIES LLC History Added to 254,485 2,899 0.01% 0.01% 1 +12,773 5.28% Q1 2014 May 14, 2014
PERCEPTIVE ADVISORS LLC History Added to 206,957 2,310 0.24% 0.27% 2 +27,338 15.22% Q1 2014 May 15, 2014
BlackRock Institutional Trust Company, N.A. History Added to 119,246 1,358 0.0% 0.0% 3 +10,269 9.42% Q1 2014 May 02, 2014
CADENCE CAPITAL MANAGEMENT LLC History Added to 111,431 1,269 0.05% 0.02% 4 +63,161 130.85% Q1 2014 Apr 28, 2014
PERRITT CAPITAL MANAGEMENT INC History Added to 76,550 872 0.14% 0.15% 5 +6,300 8.97% Q1 2014 May 15, 2014
Penbrook Management LLC History No change 58,549 741 0.7% 0.72% 6 0 0.0% Q1 2014 May 07, 2014
VANGUARD GROUP INC History Added to 57,084 637 0.0% 0.0% 7 +3,500 6.53% Q1 2014 May 13, 2014
OBERWEIS ASSET MANAGEMENT INC/ History Reduced 51,800 590 0.12% 0.33% 8 -55,101 -51.54% Q1 2014 May 15, 2014
Hatteras Alternative Mutual Funds, LLC History Added to 21,700 242 0.12% 0.15% 9 +600 2.84% Q1 2014 May 09, 2014
BRIDGEWAY CAPITAL MANAGEMENT INC History No change 18,200 207 0.01% 0.01% 10 0 0.0% Q1 2014 May 15, 2014
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM History No change 16,310 175 0.0% 0.0% 11 0 0.0% Q1 2014 Apr 18, 2014
Nationwide Fund Advisors History New 12,202 136 0.0% 12 +12,202 New Q1 2014 May 09, 2014
MORGAN STANLEY History Reduced 11,170 127 0.0% 0.0% 13 -11,684 -51.12% Q1 2014 May 13, 2014
Bank of New York Mellon Corp History No change 10,938 125 0.0% 0.0% 14 0 0.0% Q1 2014 May 14, 2014
UBS AG History Reduced 10,370 118 0.0% 0.0% 15 -2,283 -18.04% Q1 2014 May 16, 2014
ROYAL BANK OF CANADA History Added to 4,510 51 0.0% 0.0% 16 +1,510 50.33% Q1 2014 May 15, 2014
DIMENSIONAL FUND ADVISORS LP History No change 2,992 33 0.0% 0.0% 17 0 0.0% Q1 2014 May 14, 2014
DEUTSCHE BANK AG\ History Reduced 2,549 29 0.0% 0.0% 18 -1,138 -30.87% Q1 2014 May 15, 2014
SPRINGBOK CAPITAL MANAGEMENT, LLC History New 2,000 23 0.0% 19 +2,000 New Q1 2014 May 15, 2014
Tower Research Capital LLC History Added to 227 3 0.0% 0.0% 20 +35 18.23% Q1 2014 May 02, 2014
GLOBEFLEX CAPITAL L P History No change 171 1 0.0% 0.0% 21 0 0.0% Q1 2014 Apr 23, 2014
PERKINS CAPITAL MANAGEMENT INC History Closed out 0 0 0.35% -41,000 -100.0% Q4 2013 Feb 12, 2014
ALGERT COLDIRON INVESTORS LLC History Closed out 0 0 0.04% -11,470 -100.0% Q4 2013 Feb 10, 2014
BANK OF AMERICA CORP /DE/ History Closed out 0 0 -26 -100.0% Q4 2013 Feb 27, 2014
Creative Planning History No change 1 0 0 0.0% Q1 2014 Apr 11, 2014