Dark
Light
System
Security
VICOR CORP COM
VICOR CORP COM. Institutional holdings reported to the SEC.

Institutional Holders (2014Q3)
Portfolio Summary: 86 Institutional holders with a total value of $88,794,125.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Manatuck Hill Partners, LLC 1,011,338 9,507,000 10.71%
2 BlackRock Fund Advisors 868,559 8,164,000 9.19%
3 ASHFORD CAPITAL MANAGEMENT INC 826,700 7,771,000 8.75%
4 Senvest Management, LLC 810,002 7,614,000 8.57%
5 VANGUARD GROUP INC 718,875 6,758,000 7.61%
6 DIMENSIONAL FUND ADVISORS LP 690,364 6,489,000 7.31%
7 BlackRock Institutional Trust Company, N.A. 625,339 5,878,000 6.62%
8 IRONWOOD INVESTMENT MANAGEMENT LLC 459,948 4,324,000 4.87%
9 STATE STREET CORP 349,861 3,292,000 3.71%
10 Teton Advisors, Inc. 257,591 2,421,000 2.73%
11 Bank of New York Mellon Corp 238,580 2,242,000 2.52%
12 NORTHERN TRUST CORP 198,676 1,868,000 2.10%
13 GAMCO INVESTORS, INC. ET AL 180,000 1,692,000 1.91%
14 Trellus Management Company, LLC 159,236 1,497,000 1.69%
15 GABELLI FUNDS LLC 155,507 1,462,000 1.65%
16 CIBC Private Wealth Group LLC 118,300 1,112,000 1.25%
17 ROYCE & ASSOCIATES LP 108,100 1,016,000 1.14%
18 GEODE CAPITAL MANAGEMENT, LLC 104,981 986,000 1.11%
19 PRINCIPAL FINANCIAL GROUP INC 99,718 937,000 1.06%
20 RENAISSANCE TECHNOLOGIES LLC 92,900 873,000 0.98%
21 TIAA CREF INVESTMENT MANAGEMENT LLC 77,194 726,000 0.82%
22 AMERIPRISE FINANCIAL INC 73,115 687,000 0.77%
23 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 64,001 602,000 0.68%
24 BlackRock Investment Management, LLC 63,584 598,000 0.67%
25 CSS LLC/IL 60,849 572,000 0.64%
26 WELLS FARGO & COMPANY/MN 58,002 545,000 0.61%
27 PARAMETRIC PORTFOLIO ASSOCIATES LLC 57,836 544,000 0.61%
28 MENTA CAPITAL LLC 54,650 514,000 0.58%
29 CITY NATIONAL BANK 44,900 422,000 0.48%
30 NEW YORK STATE COMMON RETIREMENT FUND 41,750 392,000 0.44%
31 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 36,100 340,000 0.38%
32 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 36,200 340,000 0.38%
33 PRUDENTIAL FINANCIAL INC 35,682 335,000 0.38%
34 MORGAN STANLEY 31,885 300,000 0.34%
35 PUBLIC SECTOR PENSION INVESTMENT BOARD 31,069 292,000 0.33%
36 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 30,189 284,000 0.32%
37 TOCQUEVILLE ASSET MANAGEMENT L.P. 29,900 281,000 0.32%
38 DEUTSCHE BANK AG\ 27,919 261,000 0.29%
39 RHUMBLINE ADVISERS 25,654 241,000 0.27%
40 ALLIANCEBERNSTEIN L.P. 25,400 239,000 0.27%
41 TEACHERS ADVISORS, LLC 23,095 217,000 0.24%
42 PEAK6 Group LLC 22,981 216,000 0.24%
43 MILLENNIUM MANAGEMENT LLC 20,256 190,000 0.21%
44 TWO SIGMA ADVISERS, LP 19,100 180,000 0.20%
45 Invesco Ltd. 17,763 167,000 0.19%
46 COMERICA BANK 16,828 158,000 0.18%
47 Nationwide Fund Advisors 16,354 154,000 0.17%
48 PRICE T ROWE ASSOCIATES INC /MD/ 16,400 154,000 0.17%
49 State of Tennessee, Department of Treasury 16,300 153,000 0.17%
50 BANK OF AMERICA CORP /DE/ 16,172 152,000 0.17%
Page 1 of 2

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.