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Aspen Aerogels

Name Holding Trade Value Shares
Change
Change in
Stake
SCC
1
Spring Creek Capital
Kansas
$159M
GKFF
2
George Kaiser Family Foundation
Oklahoma
$146M
OCMI
3
Oaktop Capital Management II
New Jersey
$135M
TAM
4
Telemark Asset Management
Massachusetts
$91.6M -$1.39M -35,000 -2%
BlackRock
5
BlackRock
New York
$64.8M -$6.59M -166,273 -11%
Vanguard Group
6
Vanguard Group
Pennsylvania
$64.4M +$3.81M +96,094 +7%
DCM
7
Driehaus Capital Management
Illinois
$57.5M +$15.6M +392,956 +46%
NIM
8
Needham Investment Management
New York
$44.2M -$6.34M -160,000 -14%
State Street
9
State Street
Massachusetts
$31.9M -$1.8M -45,348 -6%
Fidelity Investments
10
Fidelity Investments
Massachusetts
$26.4M +$2.16M +54,415 +10%
RA
11
Royce & Associates
New York
$22.9M -$3.5M -88,333 -15%
NCGI
12
Next Century Growth Investors
Minnesota
$22.8M -$4.04M -101,817 -17%
EIM
13
Essex Investment Management
Massachusetts
$22M -$3.39M -85,562 -15%
T. Rowe Price Associates
14
T. Rowe Price Associates
Maryland
$20.8M -$2.15M -54,254 -11%
GIPM
15
G2 Investment Partners Management
New York
$20M -$9.96M -251,279 -37%
Dimensional Fund Advisors
16
Dimensional Fund Advisors
Texas
$18.8M +$657K +16,561 +4%
Geode Capital Management
17
Geode Capital Management
Massachusetts
$17.6M -$939K -23,679 -6%
CPA
18
Cowen Prime Advisors
New York
$17.3M -$3.27M -82,450 -18%
Baird Financial Group
19
Baird Financial Group
Wisconsin
$17.1M +$487K +12,287 +3%
CHM
20
Collaborative Holdings Management
New York
$16.8M +$12.5M +315,700 +631%
UBS AM
21
UBS AM
Illinois
$16.8M +$14.4M +364,203 New
Invesco
22
Invesco
Georgia
$16.6M +$10.9M +274,715 +318%
SC
23
Samjo Capital
New York
$16.1M -$436K -11,000 -3%
TCM
24
Tygh Capital Management
Oregon
$11.4M +$8.18M +206,258 +490%
SAM
25
Silvercrest Asset Management
New York
$9.65M -$2.79M -70,372 -25%