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Aspen Aerogels

Name Holding Trade Value Shares
Change
Change in
Stake
KL
1
KIM LLC
Kansas
$118M
BlackRock
2
BlackRock
New York
$26M +$10.8M +1,086,394 +45%
Vanguard Group
3
Vanguard Group
Pennsylvania
$25.6M +$2.73M +274,413 +9%
OCMI
4
Oaktop Capital Management II
New Jersey
$23.8M
GKFF
5
George Kaiser Family Foundation
Oklahoma
$23.6M
Fidelity Investments
6
Fidelity Investments
Massachusetts
$17.4M +$526K +52,898 +2%
NIM
7
Needham Investment Management
New York
$15.7M +$5.71M +574,716 +37%
ECA
8
Encompass Capital Advisors
New York
$14.4M -$10.3M -1,038,992 -35%
TAM
9
Telemark Asset Management
Massachusetts
$12.6M -$2.78M -280,000 -14%
AIC
10
AWM Investment Company
New York
$12.1M +$3.19M +320,856 +25%
CPA
11
Cowen Prime Advisors
New York
$10.4M +$6.11M +614,875 +58%
SC
12
Samjo Capital
New York
$9.83M +$4.13M +415,000 +46%
Millennium Management
13
Millennium Management
New York
$9.47M +$2.3M +231,770 +22%
State Street
14
State Street
Massachusetts
$8.85M +$3.76M +378,251 +47%
Nuveen
15
Nuveen
North Carolina
$7.37M +$6.79M +683,098 +223%
Geode Capital Management
16
Geode Capital Management
Massachusetts
$7.28M +$2.04M +204,828 +27%
RA
17
Royce & Associates
New York
$7.24M +$2.3M +231,100 +31%
Marshall Wace
18
Marshall Wace
United Kingdom
$6.84M +$9.13M +918,605 New
PCM
19
Penn Capital Management
Pennsylvania
$6.69M +$2.02M +203,086 +29%
Ameriprise
20
Ameriprise
Minnesota
$6.38M +$2.75M +276,345 +48%
Federated Hermes
21
Federated Hermes
Pennsylvania
$5.59M
AAP
22
Ardsley Advisory Partners
Connecticut
$5.56M +$4.35M +437,500 +142%
EIM
23
Essex Investment Management
Massachusetts
$5.3M +$163K +16,378 +2%
Citadel Advisors
24
Citadel Advisors
Florida
$5.11M +$4.45M +447,452 +188%
DCM
25
Driehaus Capital Management
Illinois
$4.65M -$11.9M -1,197,535 -66%