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Aspen Aerogels

Name Holding Trade Value Shares
Change
Change in
Stake
GKFF
1
George Kaiser Family Foundation
Oklahoma
$22.6M
OCMI
2
Oaktop Capital Management II
New Jersey
$18.5M
TAM
3
Telemark Asset Management
Massachusetts
$10.8M
HP
4
Harvey Partners
New York
$7.15M +$13.6K +3,000 +0.3%
RA
5
Royce & Associates
New York
$6.48M +$176K +38,850 +4%
NIM
6
Needham Investment Management
New York
$6.33M -$1.1M -242,750 -21%
NCGI
7
Next Century Growth Investors
Minnesota
$5.33M +$504K +110,975 +17%
AI
8
Ariel Investments
Illinois
$4.85M -$3.57M -785,563 -54%
Vanguard Group
9
Vanguard Group
Pennsylvania
$4.82M +$1.13M +248,100 +58%
CPA
10
Cowen Prime Advisors
New York
$4.28M -$637K -140,400 -19%
Renaissance Technologies
11
Renaissance Technologies
New York
$3.81M -$74.8K -16,470 -3%
BlackRock
12
BlackRock
New York
$3.58M +$480K +105,803 +27%
EIM
13
Essex Investment Management
Massachusetts
$3.31M +$305K +67,212 +17%
Dimensional Fund Advisors
14
Dimensional Fund Advisors
Texas
$2.27M +$41.1K +9,057 +3%
California Public Employees Retirement System
15
California Public Employees Retirement System
California
$2.17M
WVP
16
Worth Venture Partners
New Jersey
$1.48M +$943K +207,809 New
Geode Capital Management
17
Geode Capital Management
Massachusetts
$1.07M +$254K +56,015 +59%
BCM
18
Bridgeway Capital Management
Texas
$1.06M -$227K -50,000 -25%
EI
19
EAM Investors
California
$807K +$514K +113,157 New
WCM
20
Wedge Capital Management
North Carolina
$735K +$468K +103,145 New
Morgan Stanley
21
Morgan Stanley
New York
$593K +$28.5K +6,288 +8%
Boston Partners
22
Boston Partners
Massachusetts
$440K +$280K +61,666 New
RC
23
RBF Capital
California
$434K
Russell Investments Group
24
Russell Investments Group
United Kingdom
$347K +$212K +46,699 +2,335%
Northern Trust
25
Northern Trust
Illinois
$337K