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Aspen Aerogels

Name Holding Trade Value Shares
Change
Change in
Stake
GKFF
1
George Kaiser Family Foundation
Oklahoma
$14.1M
RO
2
Reservoir Operations
New York
$12.8M
OCMI
3
Oaktop Capital Management II
New Jersey
$5.43M +$493K +116,803 +11%
AI
4
Ariel Investments
Illinois
$4.87M -$1.65M -389,875 -26%
Ameriprise
5
Ameriprise
Minnesota
$4.36M -$97.3K -23,042 -2%
HA
6
Heartland Advisors
Wisconsin
$4.13M +$29.8K +7,066 +0.8%
Wellington Management Group
7
Wellington Management Group
Massachusetts
$4.08M
TAM
8
Tocqueville Asset Management
New York
$3.81M +$39.7K +9,400 +1%
TAM
9
Telemark Asset Management
Massachusetts
$3.17M
RA
10
Royce & Associates
New York
$2.61M +$726K +172,030 +42%
Vanguard Group
11
Vanguard Group
Pennsylvania
$2.59M +$13.3K +3,158 +0.5%
BlackRock
12
BlackRock
New York
$2.04M -$97.4K -23,061 -5%
PCM
13
Perritt Capital Management
Illinois
$1.86M
NIM
14
Needham Investment Management
New York
$1.52M
BCM
15
Bridgeway Capital Management
Texas
$1.45M +$517K +122,500 +61%
California Public Employees Retirement System
16
California Public Employees Retirement System
California
$1.36M
New York State Common Retirement Fund
17
New York State Common Retirement Fund
New York
$1.35M -$4 -1 -0%
Renaissance Technologies
18
Renaissance Technologies
New York
$1.35M +$170K +40,200 +15%
HP
19
Harvey Partners
New York
$1.28M +$129K +30,668 +12%
GIP
20
Granite Investment Partners
California
$842K -$38.5K -9,131 -5%
Wells Fargo
21
Wells Fargo
California
$588K -$16.9K -4,000 -3%
Geode Capital Management
22
Geode Capital Management
Massachusetts
$422K
Morgan Stanley
23
Morgan Stanley
New York
$398K +$22.6K +5,355 +6%
MFIM
24
Mesirow Financial Investment Management
Illinois
$330K +$313K +74,141 New
RC
25
RBF Capital
California
$183K