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Aspen Aerogels

Name Holding Trade Value Shares
Change
Change in
Stake
KL
1
KIM LLC
Kansas
$48.4M
OCMI
2
Oaktop Capital Management II
New Jersey
$29.5M
GKFF
3
George Kaiser Family Foundation
Oklahoma
$29.2M
ECA
4
Encompass Capital Advisors
New York
$22.3M -$3.71M -306,299 -11%
TAM
5
Telemark Asset Management
Massachusetts
$18.4M
BlackRock
6
BlackRock
New York
$17.7M +$1.73M +142,611 +8%
Vanguard Group
7
Vanguard Group
Pennsylvania
$17.2M +$5.08M +419,657 +29%
DCM
8
Driehaus Capital Management
Illinois
$9.73M +$309K +25,498 +2%
NIM
9
Needham Investment Management
New York
$9.06M +$3.62M +298,600 +44%
CPA
10
Cowen Prime Advisors
New York
$6.74M +$744K +61,400 +9%
EIM
11
Essex Investment Management
Massachusetts
$5.8M +$949K +78,328 +14%
State Street
12
State Street
Massachusetts
$5.46M +$521K +42,997 +8%
SC
13
Samjo Capital
New York
$5.38M +$775K +64,000 +12%
Ameriprise
14
Ameriprise
Minnesota
$5.35M -$519K -42,858 -7%
Point72 Asset Management
15
Point72 Asset Management
Connecticut
$5.34M +$5.73M +472,889 +443%
Fidelity Investments
16
Fidelity Investments
Massachusetts
$5.21M +$1.16M +95,893 +20%
Two Sigma Advisers
17
Two Sigma Advisers
New York
$4.93M +$1.29M +106,200 +25%
Geode Capital Management
18
Geode Capital Management
Massachusetts
$4.78M +$771K +63,673 +14%
RA
19
Royce & Associates
New York
$4.77M -$765K -63,149 -11%
RI
20
Redwood Investments
Massachusetts
$4.44M +$2.06M +170,163 +55%
Two Sigma Investments
21
Two Sigma Investments
New York
$4.36M -$980K -80,946 -15%
Nuveen
22
Nuveen
North Carolina
$4.24M -$46.7K -3,855 -0.8%
Baird Financial Group
23
Baird Financial Group
Wisconsin
$4.14M +$686K +56,618 +14%
Morgan Stanley
24
Morgan Stanley
New York
$3.93M +$605K +49,978 +13%
GIPM
25
G2 Investment Partners Management
New York
$3.65M +$727K +60,067 +18%