79 hedge funds and large institutions have $61.8M invested in Vicor in 2013 Q2 according to their latest regulatory filings, with 79 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

Holders
79
Holders Change
+79
Holders Change %
% of All Funds
2.58%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
79
Increased
Reduced
Closed
Calls
$166K
Puts
$373K
Net Calls
-$207K
Net Calls Change
-$207K
Name Market Value Shares Shares
Change
Shares
Change %
SM
1
Senvest Management
New York
$7.27M 1,060,843 +1,060,843 New
MHP
2
Manatuck Hill Partners
Connecticut
$6.59M 961,338 +961,338 New
BFA
3
BlackRock Fund Advisors
California
$6.36M 928,549 +928,549 New
BIT
4
BlackRock Institutional Trust
California
$4.75M 693,481 +693,481 New
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$4.67M 682,006 +682,006 New
Vanguard Group
6
Vanguard Group
Pennsylvania
$4.51M 657,704 +657,704 New
SLF
7
Sun Life Financial
Ontario, Canada
$2.82M 410,900 +410,900 New
State Street
8
State Street
Massachusetts
$2.5M 363,677 +363,677 New
IIM
9
Ironwood Investment Management
Massachusetts
$2.49M 363,976 +363,976 New
Northern Trust
10
Northern Trust
Illinois
$1.9M 277,780 +277,780 New
Renaissance Technologies
11
Renaissance Technologies
New York
$1.71M 249,400 +249,400 New
Bank of New York Mellon
12
Bank of New York Mellon
New York
$1.26M 184,312 +184,312 New
RA
13
Royce & Associates
New York
$1.03M 150,000 +150,000 New
TA
14
Teton Advisors
New York
$908K 132,500 +132,500 New
Invesco
15
Invesco
Georgia
$890K 130,039 +130,039 New
GF
16
Gabelli Funds
New York
$867K 126,505 +126,505 New
Principal Financial Group
17
Principal Financial Group
Iowa
$655K 95,621 +95,621 New
TCIM
18
TIAA CREF Investment Management
New York
$586K 85,515 +85,515 New
New York State Teachers Retirement System (NYSTRS)
19
New York State Teachers Retirement System (NYSTRS)
New York
$556K 81,101 +81,101 New
PPA
20
Parametric Portfolio Associates
Washington
$545K 79,500 +79,500 New
MC
21
Menta Capital
California
$545K 79,594 +79,594 New
Geode Capital Management
22
Geode Capital Management
Massachusetts
$507K 73,946 +73,946 New
BIM
23
BlackRock Investment Management
Delaware
$495K 72,302 +72,302 New
Ameriprise
24
Ameriprise
Minnesota
$469K 68,501 +68,501 New
Jacobs Levy Equity Management
25
Jacobs Levy Equity Management
New Jersey
$393K 57,424 +57,424 New