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Aspen Aerogels

Name Holding Trade Value Shares
Change
Change in
Stake
GKFF
1
George Kaiser Family Foundation
Oklahoma
$18.8M
OCMI
2
Oaktop Capital Management II
New Jersey
$15.4M
TAM
3
Telemark Asset Management
Massachusetts
$9.18M +$228K +35,811 +2%
HP
4
Harvey Partners
New York
$5.63M -$335K -52,710 -5%
RA
5
Royce & Associates
New York
$5.51M +$135K +21,206 +2%
NIM
6
Needham Investment Management
New York
$5.25M
Vanguard Group
7
Vanguard Group
Pennsylvania
$4.66M +$707K +111,176 +16%
NCGI
8
Next Century Growth Investors
Minnesota
$4.28M -$157K -24,744 -3%
CPA
9
Cowen Prime Advisors
New York
$3.63M +$77.5K +12,192 +2%
Renaissance Technologies
10
Renaissance Technologies
New York
$3.37M +$224K +35,200 +7%
BlackRock
11
BlackRock
New York
$2.92M -$59.9K -9,425 -2%
AI
12
Ariel Investments
Illinois
$2.63M -$1.5M -235,486 -35%
EIM
13
Essex Investment Management
Massachusetts
$2.47M -$302K -47,473 -10%
Russell Investments Group
14
Russell Investments Group
United Kingdom
$2.19M +$2.04M +321,047 +659%
California Public Employees Retirement System
15
California Public Employees Retirement System
California
$1.91M +$113K +17,700 +6%
Dimensional Fund Advisors
16
Dimensional Fund Advisors
Texas
$1.89M
WVP
17
Worth Venture Partners
New Jersey
$1.03M -$218K -34,300 -17%
EI
18
EAM Investors
California
$958K +$310K +48,713 +43%
Geode Capital Management
19
Geode Capital Management
Massachusetts
$893K
BCM
20
Bridgeway Capital Management
Texas
$881K
Boston Partners
21
Boston Partners
Massachusetts
$861K +$533K +83,838 +136%
WCM
22
Wedge Capital Management
North Carolina
$611K
Morgan Stanley
23
Morgan Stanley
New York
$426K -$72.3K -11,366 -14%
RC
24
RBF Capital
California
$360K
Northern Trust
25
Northern Trust
Illinois
$298K +$19K +2,992 +6%