85 hedge funds and large institutions have $72M invested in Vicor in 2013 Q3 according to their latest regulatory filings, with 8 funds opening new positions, 28 increasing their positions, 31 reducing their positions, and 2 closing their positions.

Holders
85
Holders Change
+6
Holders Change %
+7.59%
% of All Funds
2.76%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
8
Increased
28
Reduced
31
Closed
2
Calls
$40K
Puts
$589K
Net Calls
-$549K
Net Calls Change
-$342K
Name Market Value Shares Shares
Change
Shares
Change %
SM
1
Senvest Management
New York
$8.68M 1,060,843
BFA
2
BlackRock Fund Advisors
California
$8.27M 1,010,575 +82,026 +9%
MHP
3
Manatuck Hill Partners
Connecticut
$7.86M 961,338
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$5.64M 689,291 +7,285 +1%
Vanguard Group
5
Vanguard Group
Pennsylvania
$5.48M 669,582 +11,878 +2%
BIT
6
BlackRock Institutional Trust
California
$5.45M 666,501 -26,980 -4%
IIM
7
Ironwood Investment Management
Massachusetts
$3.06M 373,567 +9,591 +3%
State Street
8
State Street
Massachusetts
$3M 366,920 +3,243 +0.9%
Northern Trust
9
Northern Trust
Illinois
$2.15M 262,895 -14,885 -5%
TA
10
Teton Advisors
New York
$1.58M 192,500 +60,000 +45%
Renaissance Technologies
11
Renaissance Technologies
New York
$1.56M 191,100 -58,300 -23%
Bank of New York Mellon
12
Bank of New York Mellon
New York
$1.44M 176,014 -8,298 -5%
RA
13
Royce & Associates
New York
$1.23M 150,000
GF
14
Gabelli Funds
New York
$1.1M 135,005 +8,500 +7%
Invesco
15
Invesco
Georgia
$1.08M 132,072 +2,033 +2%
Principal Financial Group
16
Principal Financial Group
Iowa
$811K 99,103 +3,482 +4%
GI
17
GAMCO Investors
Connecticut
$703K 85,991 +85,991 New
New York State Teachers Retirement System (NYSTRS)
18
New York State Teachers Retirement System (NYSTRS)
New York
$632K 77,301 -3,800 -5%
Geode Capital Management
19
Geode Capital Management
Massachusetts
$619K 75,676 +1,730 +2%
TCIM
20
TIAA CREF Investment Management
New York
$608K 74,282 -11,233 -13%
BIM
21
BlackRock Investment Management
Delaware
$583K 71,306 -996 -1%
Ameriprise
22
Ameriprise
Minnesota
$569K 69,531 +1,030 +2%
PPA
23
Parametric Portfolio Associates
Washington
$562K 68,665 -10,835 -14%
Morgan Stanley
24
Morgan Stanley
New York
$556K 67,957 +24,461 +56%
Prudential Financial
25
Prudential Financial
New Jersey
$446K 54,482 +4,491 +9%