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Aspen Aerogels

Name Holding Trade Value Shares
Change
Change in
Stake
KL
1
KIM LLC
Kansas
$51.9M +$106M +5,254,110 New
OCMI
2
Oaktop Capital Management II
New Jersey
$31.6M +$5.15M +255,000 +9%
GKFF
3
George Kaiser Family Foundation
Oklahoma
$31.3M
ECA
4
Encompass Capital Advisors
New York
$26.9M +$36.6M +1,814,791 +199%
TAM
5
Telemark Asset Management
Massachusetts
$19.8M +$3.63M +180,000 +10%
BlackRock
6
BlackRock
New York
$17.6M +$4.94M +244,791 +16%
Vanguard Group
7
Vanguard Group
Pennsylvania
$14.2M -$1.86M -92,372 -6%
DCM
8
Driehaus Capital Management
Illinois
$10.2M -$6.48M -321,051 -24%
PGCM
9
Prescott Group Capital Management
Oklahoma
$9.47M +$19.4M +959,049 New
NIM
10
Needham Investment Management
New York
$6.76M +$464K +23,000 +3%
CPA
11
Cowen Prime Advisors
New York
$6.62M +$6.11M +302,670 +82%
Ameriprise
12
Ameriprise
Minnesota
$6.15M +$12.6M +622,901 New
RA
13
Royce & Associates
New York
$5.74M +$1.79M +88,600 +18%
Two Sigma Investments
14
Two Sigma Investments
New York
$5.47M +$7.91M +392,008 +243%
EIM
15
Essex Investment Management
Massachusetts
$5.44M +$807K +39,992 +8%
State Street
16
State Street
Massachusetts
$5.43M +$840K +41,619 +8%
SC
17
Samjo Capital
New York
$5.14M +$3.53M +175,000 +51%
QOP
18
Quinn Opportunity Partners
Virginia
$4.73M +$9.65M +478,426 New
Fidelity Investments
19
Fidelity Investments
Massachusetts
$4.64M -$1.35M -66,922 -12%
Nuveen
20
Nuveen
North Carolina
$4.58M +$7.77M +384,888 +492%
Geode Capital Management
21
Geode Capital Management
Massachusetts
$4.49M +$993K +49,198 +12%
Two Sigma Advisers
22
Two Sigma Advisers
New York
$4.24M +$6.14M +304,200 +244%
Baird Financial Group
23
Baird Financial Group
Wisconsin
$3.88M -$259K -12,814 -3%
Morgan Stanley
24
Morgan Stanley
New York
$3.72M +$4.77M +236,413 +169%
UBS AM
25
UBS AM
Illinois
$3.4M -$88.5K -4,385 -1%