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Aspen Aerogels

Name Holding Trade Value Shares
Change
Change in
Stake
GKFF
1
George Kaiser Family Foundation
Oklahoma
$15.5M
OCMI
2
Oaktop Capital Management II
New Jersey
$6.83M
AI
3
Ariel Investments
Illinois
$5.32M -$21.5K -4,619 -0.4%
AIC
4
AWM Investment Company
New York
$4.88M +$4.66M +1,000,000 New
HA
5
Heartland Advisors
Wisconsin
$4.52M
CPA
6
Cowen Prime Advisors
New York
$4.5M +$4.28M +918,524 +20,876%
TAM
7
Tocqueville Asset Management
New York
$4.18M
Ameriprise
8
Ameriprise
Minnesota
$4.15M -$634K -136,030 -14%
TAM
9
Telemark Asset Management
Massachusetts
$3.45M
RA
10
Royce & Associates
New York
$3.42M +$189K +40,662 +6%
NIM
11
Needham Investment Management
New York
$2.93M +$769K +165,000 +38%
Vanguard Group
12
Vanguard Group
Pennsylvania
$2.84M -$2.08K -447 -0.1%
HP
13
Harvey Partners
New York
$2.34M +$470K +100,900 +27%
BlackRock
14
BlackRock
New York
$2.06M -$157K -33,774 -7%
Renaissance Technologies
15
Renaissance Technologies
New York
$1.73M +$148K +31,800 +10%
EIM
16
Essex Investment Management
Massachusetts
$1.52M +$572K +122,757 +65%
California Public Employees Retirement System
17
California Public Employees Retirement System
California
$1.49M
New York State Common Retirement Fund
18
New York State Common Retirement Fund
New York
$1.48M
QCMC
19
Quantum Capital Management (California)
California
$1.23M +$127K +27,298 +12%
BCM
20
Bridgeway Capital Management
Texas
$1.1M -$387K -83,100 -27%
PCM
21
Perritt Capital Management
Illinois
$976K -$1.02M -218,663 -52%
GIP
22
Granite Investment Partners
California
$974K +$351K +75,345 +61%
Wells Fargo
23
Wells Fargo
California
$644K
Dimensional Fund Advisors
24
Dimensional Fund Advisors
Texas
$634K +$232K +49,773 +62%
Morgan Stanley
25
Morgan Stanley
New York
$533K +$20K +4,286 +4%