158 hedge funds and large institutions have $570M invested in Vicor in 2018 Q3 according to their latest regulatory filings, with 38 funds opening new positions, 54 increasing their positions, 44 reducing their positions, and 10 closing their positions.

Holders
158
Holders Change
+26
Holders Change %
+19.7%
% of All Funds
3.62%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
38
Increased
54
Reduced
44
Closed
10
Calls
$10.1M
Puts
$13.2M
Net Calls
-$3.12M
Net Calls Change
+$1M
Name Market Value Shares Shares
Change
Shares
Change %
BlackRock
1
BlackRock
New York
$109M 2,361,663 +59,495 +3%
Vanguard Group
2
Vanguard Group
Pennsylvania
$80.5M 1,749,018 +725,018 +71%
ACM
3
Ashford Capital Management
Delaware
$27.3M 593,830 -222,352 -27%
O
4
OppenheimerFunds
New York
$23.1M 503,121 +205 +0%
State Street
5
State Street
Massachusetts
$21.8M 473,290 +23,454 +5%
BTP
6
Bloom Tree Partners
New York
$21.2M 461,800 +461,800 New
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$20.5M 446,722 +14,204 +3%
Citadel Advisors
8
Citadel Advisors
Florida
$11M 239,623 +229,067 +2,170%
Northern Trust
9
Northern Trust
Illinois
$11M 238,877 +8,623 +4%
WG
10
Winton Group
United Kingdom
$9.95M 216,306 -70,964 -25%
Morgan Stanley
11
Morgan Stanley
New York
$8.75M 190,197 +99,859 +111%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$8.67M 188,565 +14,504 +8%
Bank of New York Mellon
13
Bank of New York Mellon
New York
$8.34M 181,360 -18,643 -9%
OAM
14
Oberweis Asset Management
Illinois
$8.2M 178,200 +26,470 +17%
SAM
15
Shikiar Asset Management
New York
$7.88M 171,275 +30,875 +22%
Invesco
16
Invesco
Georgia
$7.22M 156,992 +39,886 +34%
Federated Hermes
17
Federated Hermes
Pennsylvania
$6.91M 150,258 +93,256 +164%
SRFM
18
Shannon River Fund Management
New York
$6.62M 143,900 +143,900 New
Janney Montgomery Scott
19
Janney Montgomery Scott
Pennsylvania
$6.13M 133,188 -28,102 -17%
Principal Financial Group
20
Principal Financial Group
Iowa
$5.96M 129,613 +1,947 +2%
TMC
21
Trellus Management Company
Florida
$5.89M 128,045 -5,000 -4%
Massachusetts Financial Services
22
Massachusetts Financial Services
Massachusetts
$5.83M 126,745 +126,745 New
MHP
23
Manatuck Hill Partners
Connecticut
$5.8M 125,994 -26,000 -17%
CIBC Private Wealth Group
24
CIBC Private Wealth Group
Georgia
$5.44M 118,300
SM
25
Senvest Management
New York
$4.75M 103,299 -165,926 -62%