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Aspen Aerogels

Name Holding Trade Value Shares
Change
Change in
Stake
GKFF
1
George Kaiser Family Foundation
Oklahoma
$19.2M
RO
2
Reservoir Operations
New York
$17.6M
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$13.4M +$4.68M +676,150 +44%
Fidelity Investments
4
Fidelity Investments
Massachusetts
$12.6M -$1.15M -165,852 -7%
Wellington Management Group
5
Wellington Management Group
Massachusetts
$12.4M -$745K -107,629 -5%
PRCM
6
Pine River Capital Management
Minnesota
$6.41M -$96.4K -13,923 -1%
CAM
7
Cortina Asset Management
Wisconsin
$5.46M +$6.22M +898,735 New
Ameriprise
8
Ameriprise
Minnesota
$4.38M +$2.11M +305,029 +73%
BIT
9
BlackRock Institutional Trust
California
$3.88M +$280K +40,406 +7%
California Public Employees Retirement System
10
California Public Employees Retirement System
California
$1.85M
WSA
11
Wall Street Associates
California
$1.83M +$44.3K +6,400 +2%
Vanguard Group
12
Vanguard Group
Pennsylvania
$1.79M +$230K +33,168 +13%
TAM
13
Tocqueville Asset Management
New York
$1.42M +$1.62M +233,500 New
GIP
14
Granite Investment Partners
California
$1.04M -$178K -25,726 -13%
NCGI
15
Next Century Growth Investors
Minnesota
$992K -$1.54M -222,225 -58%
BCM
16
Bridgeway Capital Management
Texas
$925K
Renaissance Technologies
17
Renaissance Technologies
New York
$778K +$222K +32,142 +33%
Morgan Stanley
18
Morgan Stanley
New York
$723K -$405K -58,439 -33%
Wells Fargo
19
Wells Fargo
California
$668K +$163K +23,600 +27%
GGHC
20
Gilder Gagnon Howe & Co
New York
$619K -$8.53M -1,232,100 -92%
Geode Capital Management
21
Geode Capital Management
Massachusetts
$575K +$351K +50,696 +115%
BA
22
BlackRock Advisors
Delaware
$499K +$549K +79,339 +2,760%
NC
23
NBW Capital
Massachusetts
$415K -$940K -135,799 -67%
RA
24
Royce & Associates
New York
$413K +$471K +67,985 New
BFA
25
BlackRock Fund Advisors
California
$286K +$11.6K +1,676 +4%