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Aspen Aerogels

Name Holding Trade Value Shares
Change
Change in
Stake
GKFF
1
George Kaiser Family Foundation
Oklahoma
$52.9M
OCMI
2
Oaktop Capital Management II
New Jersey
$49.1M
TAM
3
Telemark Asset Management
Massachusetts
$37.6M +$3.02M +229,498 +11%
BlackRock
4
BlackRock
New York
$30.1M +$4.57M +347,880 +24%
Vanguard Group
5
Vanguard Group
Pennsylvania
$19.5M +$1.92M +145,870 +14%
NIM
6
Needham Investment Management
New York
$15.5M -$5.27M -400,506 -30%
State Street
7
State Street
Massachusetts
$12.8M +$6.99M +532,048 +229%
RA
8
Royce & Associates
New York
$11.9M +$1.49M +113,700 +19%
NCGI
9
Next Century Growth Investors
Minnesota
$11.5M -$175K -13,345 -2%
DCM
10
Driehaus Capital Management
Illinois
$11M +$8.67M +659,312 New
ACM
11
AIGH Capital Management
Maryland
$10.9M +$8.62M +655,819 New
T. Rowe Price Associates
12
T. Rowe Price Associates
Maryland
$9.9M +$168K +12,743 +2%
EIM
13
Essex Investment Management
Massachusetts
$9.77M -$1.31M -99,603 -15%
Renaissance Technologies
14
Renaissance Technologies
New York
$9.46M -$684K -52,000 -8%
CPA
15
Cowen Prime Advisors
New York
$7.8M -$1.35M -102,686 -18%
SC
16
Samjo Capital
New York
$7.22M +$5.69M +432,657 New
HP
17
Harvey Partners
New York
$5.8M -$932K -70,875 -17%
Dimensional Fund Advisors
18
Dimensional Fund Advisors
Texas
$5.77M +$182K +13,834 +4%
Geode Capital Management
19
Geode Capital Management
Massachusetts
$5.67M +$468K +35,604 +12%
Baird Financial Group
20
Baird Financial Group
Wisconsin
$4.29M +$16.8K +1,277 +0.5%
Northern Trust
21
Northern Trust
Illinois
$3.93M -$71.5K -5,441 -2%
EI
22
EAM Investors
California
$3.11M +$1.18M +89,739 +93%
WVP
23
Worth Venture Partners
New Jersey
$2.82M -$84.7K -6,445 -4%
SAM
24
Silvercrest Asset Management
New York
$2.52M +$1.99M +151,306 New
KCM
25
Kennedy Capital Management
Missouri
$2.47M +$633K +48,183 +48%