101 hedge funds and large institutions have $234M invested in Vicor in 2017 Q3 according to their latest regulatory filings, with 12 funds opening new positions, 29 increasing their positions, 32 reducing their positions, and 1 closing their positions.

Holders
101
Holders Change
+10
Holders Change %
+10.99%
% of All Funds
2.52%
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.05%
New
12
Increased
29
Reduced
32
Closed
1
Calls
$562K
Puts
$1.33M
Net Calls
-$767K
Net Calls Change
-$714K
Name Market Value Shares Shares
Change
Shares
Change %
BlackRock
1
BlackRock
New York
$50.8M 2,150,830 +68,739 +3%
ACM
2
Ashford Capital Management
Delaware
$42.4M 1,797,660 -5,360 -0.3%
Vanguard Group
3
Vanguard Group
Pennsylvania
$21M 890,747 +59,570 +7%
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$14.9M 632,422 -600 -0.1%
SM
5
Senvest Management
New York
$14.9M 632,006
State Street
6
State Street
Massachusetts
$10.1M 425,833 -5,546 -1%
Northern Trust
7
Northern Trust
Illinois
$4.91M 207,878 +347 +0.2%
Renaissance Technologies
8
Renaissance Technologies
New York
$4.9M 207,500 -6,300 -3%
Janney Montgomery Scott
9
Janney Montgomery Scott
Pennsylvania
$3.81M 161,433 -1,526 -0.9%
MHP
10
Manatuck Hill Partners
Connecticut
$3.63M 153,797 -25,800 -14%
Bank of New York Mellon
11
Bank of New York Mellon
New York
$3.57M 151,228 +326 +0.2%
TMC
12
Trellus Management Company
Florida
$3.16M 134,045 -2,080 -2%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$3.12M 132,114 -5,640 -4%
Principal Financial Group
14
Principal Financial Group
Iowa
$2.89M 122,336 -386 -0.3%
CIBC Private Wealth Group
15
CIBC Private Wealth Group
Georgia
$2.79M 118,300
NIM
16
Needham Investment Management
New York
$2.71M 114,700
GF
17
Gabelli Funds
New York
$2.6M 110,000 -4,000 -4%
RS
18
Robeco Schweiz
Switzerland
$2.36M 100,000
GI
19
GAMCO Investors
Connecticut
$2.22M 94,000 -6,000 -6%
EI
20
EAM Investors
California
$2M 84,663 +44,238 +109%
Ameriprise
21
Ameriprise
Minnesota
$1.98M 83,939 -495 -0.6%
GC
22
Guggenheim Capital
Illinois
$1.89M 80,214 +6,951 +9%
CIA
23
Capital Impact Advisors
Massachusetts
$1.54M 65,131 -4,534 -7%
CCM
24
Cadence Capital Management
Massachusetts
$1.46M 61,790 -10,377 -14%
Goldman Sachs
25
Goldman Sachs
New York
$1.39M 58,926 +26,344 +81%