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Aspen Aerogels

Name Holding Trade Value Shares
Change
Change in
Stake
GKFF
1
George Kaiser Family Foundation
Oklahoma
$64.4M
OCMI
2
Oaktop Capital Management II
New Jersey
$59.8M
TAM
3
Telemark Asset Management
Massachusetts
$41.2M -$4.75M -225,000 -10%
BlackRock
4
BlackRock
New York
$37.8M +$1.18M +55,774 +3%
Vanguard Group
5
Vanguard Group
Pennsylvania
$24.4M +$664K +31,461 +3%
NIM
6
Needham Investment Management
New York
$22.4M +$3.62M +171,600 +18%
DCM
7
Driehaus Capital Management
Illinois
$17.7M +$4.44M +210,598 +32%
NCGI
8
Next Century Growth Investors
Minnesota
$13.7M -$269K -12,743 -2%
ACM
9
AIGH Capital Management
Maryland
$13.3M
T. Rowe Price Associates
10
T. Rowe Price Associates
Maryland
$12.1M +$72.9K +3,458 +0.6%
GIPM
11
G2 Investment Partners Management
New York
$11.3M +$11.7M +556,904 New
EIM
12
Essex Investment Management
Massachusetts
$11M -$943K -44,695 -8%
State Street
13
State Street
Massachusetts
$10.7M -$5.08M -240,619 -31%
RA
14
Royce & Associates
New York
$9.9M -$4.72M -223,707 -31%
Fidelity Investments
15
Fidelity Investments
Massachusetts
$8.55M +$8.87M +420,300 New
Renaissance Technologies
16
Renaissance Technologies
New York
$8.44M -$3.2M -151,800 -27%
Dimensional Fund Advisors
17
Dimensional Fund Advisors
Texas
$8.28M +$1.3M +61,608 +18%
CPA
18
Cowen Prime Advisors
New York
$7.92M -$1.65M -78,114 -17%
Geode Capital Management
19
Geode Capital Management
Massachusetts
$7.78M +$897K +42,508 +13%
SC
20
Samjo Capital
New York
$7.02M -$1.85M -87,657 -20%
Baird Financial Group
21
Baird Financial Group
Wisconsin
$6.87M +$1.71M +81,042 +32%
GPCM
22
Granite Point Capital Management
Massachusetts
$6.18M +$6.41M +304,076 New
HP
23
Harvey Partners
New York
$5.59M -$1.53M -72,500 -21%
Morgan Stanley
24
Morgan Stanley
New York
$5.04M +$4.08M +193,637 +357%
SAM
25
Silvercrest Asset Management
New York
$4.96M +$1.96M +92,764 +61%