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MGC DIAGNOSTICS CORP
MGC DIAGNOSTICS CORP. Institutional holdings reported to the SEC.

Institutional Holders (2014Q3)
Portfolio Summary: 17 Institutional holders with a total value of $5,857,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 PERCEPTIVE ADVISORS LLC 327,488 2,227,000 38.02%
2 RENAISSANCE TECHNOLOGIES LLC 263,729 1,727,000 29.49%
3 BlackRock Institutional Trust Company, N.A. 116,611 764,000 13.04%
4 VANGUARD GROUP INC 79,084 538,000 9.19%
5 Hatteras Investment Partners, LP 21,700 148,000 2.53%
6 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 16,310 111,000 1.90%
7 MORGAN STANLEY 12,345 80,000 1.37%
8 Bank of New York Mellon Corp 10,938 72,000 1.23%
9 Platinum Management (NY) LLC 10,385 68,000 1.16%
10 ROYAL BANK OF CANADA 10,000 66,000 1.13%
11 PNC FINANCIAL SERVICES GROUP, INC. 3,200 20,000 0.34%
12 DIMENSIONAL FUND ADVISORS LP 2,992 20,000 0.34%
13 UBS AG 773 5,000 0.09%
14 BlackRock Investment Management, LLC 757 5,000 0.09%
15 Ground Swell Capital, LLC 645 4,000 0.07%
16 GLOBEFLEX CAPITAL L P 107 1,000 0.02%
17 Tower Research Capital LLC (TRC) 130 1,000 0.02%

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.