101 hedge funds and large institutions have $207M invested in Vicor in 2017 Q4 according to their latest regulatory filings, with 9 funds opening new positions, 25 increasing their positions, 42 reducing their positions, and 8 closing their positions.

Holders
101
Holders Change
Holders Change %
0%
% of All Funds
2.29%
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.05%
New
9
Increased
25
Reduced
42
Closed
8
Calls
$420K
Puts
$817K
Net Calls
-$397K
Net Calls Change
+$370K
Name Market Value Shares Shares
Change
Shares
Change %
BlackRock
1
BlackRock
New York
$46.4M 2,221,405 +70,575 +3%
ACM
2
Ashford Capital Management
Delaware
$35.6M 1,704,027 -93,633 -5%
Vanguard Group
3
Vanguard Group
Pennsylvania
$20.2M 964,453 +73,706 +8%
SM
4
Senvest Management
New York
$13.2M 632,006
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$12.8M 613,201 -19,221 -3%
State Street
6
State Street
Massachusetts
$9.24M 441,902 +16,069 +4%
Northern Trust
7
Northern Trust
Illinois
$4.36M 208,418 +540 +0.3%
Renaissance Technologies
8
Renaissance Technologies
New York
$3.91M 186,900 -20,600 -10%
Bank of New York Mellon
9
Bank of New York Mellon
New York
$3.62M 172,937 +21,709 +14%
Janney Montgomery Scott
10
Janney Montgomery Scott
Pennsylvania
$3.44M 164,536 +3,103 +2%
MHP
11
Manatuck Hill Partners
Connecticut
$3.21M 153,797
Geode Capital Management
12
Geode Capital Management
Massachusetts
$2.8M 134,104 +1,990 +2%
TMC
13
Trellus Management Company
Florida
$2.78M 133,045 -1,000 -0.7%
Principal Financial Group
14
Principal Financial Group
Iowa
$2.55M 121,769 -567 -0.5%
RS
15
Robeco Schweiz
Switzerland
$2.54M 120,000 +20,000 +20%
CIBC Private Wealth Group
16
CIBC Private Wealth Group
Georgia
$2.47M 118,300
NIM
17
Needham Investment Management
New York
$2.34M 112,200 -2,500 -2%
GF
18
Gabelli Funds
New York
$2.13M 102,000 -8,000 -7%
CCM
19
Cadence Capital Management
Massachusetts
$1.82M 86,946 +25,156 +41%
GI
20
GAMCO Investors
Connecticut
$1.76M 84,300 -9,700 -10%
Ameriprise
21
Ameriprise
Minnesota
$1.73M 82,734 -1,205 -1%
Morgan Stanley
22
Morgan Stanley
New York
$1.44M 68,756 +22,872 +50%
CIA
23
Capital Impact Advisors
Massachusetts
$1.36M 65,131
New York State Teachers Retirement System (NYSTRS)
24
New York State Teachers Retirement System (NYSTRS)
New York
$1.11M 53,101 -300 -0.6%
GC
25
Guggenheim Capital
Illinois
$1.03M 49,179 -31,035 -39%