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Aspen Aerogels

Name Holding Trade Value Shares
Change
Change in
Stake
KL
1
KIM LLC
Kansas
$186M +$120M +10,526,316 +200%
OCMI
2
Oaktop Capital Management II
New Jersey
$37.7M
GKFF
3
George Kaiser Family Foundation
Oklahoma
$37.3M
Vanguard Group
4
Vanguard Group
Pennsylvania
$37.3M +$14.9M +1,300,874 +70%
ECA
5
Encompass Capital Advisors
New York
$35.1M +$6.35M +555,477 +23%
BlackRock
6
BlackRock
New York
$28.3M +$5.51M +482,454 +25%
Fidelity Investments
7
Fidelity Investments
Massachusetts
$26.9M +$19.6M +1,716,501 +304%
TAM
8
Telemark Asset Management
Massachusetts
$23.2M -$343K -30,000 -2%
DCM
9
Driehaus Capital Management
Illinois
$21.5M +$8.76M +766,363 +73%
NIM
10
Needham Investment Management
New York
$18.1M +$6.28M +549,734 +56%
AIC
11
AWM Investment Company
New York
$15.3M +$14.9M +1,300,000 New
HRCM
12
Hood River Capital Management
Florida
$12.4M +$12M +1,052,013 New
CPA
13
Cowen Prime Advisors
New York
$12.4M +$3.66M +320,575 +44%
Millennium Management
14
Millennium Management
New York
$12.2M +$10.7M +938,293 +932%
ACM
15
AIGH Capital Management
Maryland
$11.8M +$11.4M +1,000,000 New
JGC
16
J. Goldman & Co
New York
$11.5M +$11.1M +974,466 New
SC
17
Samjo Capital
New York
$10.7M +$3.67M +321,000 +55%
Point72 Asset Management
18
Point72 Asset Management
Connecticut
$9.75M +$2.82M +247,105 +43%
State Street
19
State Street
Massachusetts
$9.54M +$2.48M +217,003 +37%
PGCM
20
Prescott Group Capital Management
Oklahoma
$9.31M +$9.02M +789,474 New
Geode Capital Management
21
Geode Capital Management
Massachusetts
$9.11M +$2.91M +254,218 +49%
Federated Hermes
22
Federated Hermes
Pennsylvania
$8.84M +$8.57M +750,000 New
RA
23
Royce & Associates
New York
$8.74M +$2.56M +224,000 +43%
EIM
24
Essex Investment Management
Massachusetts
$8.19M +$752K +65,821 +10%
PCM
25
Penn Capital Management
Pennsylvania
$8.15M +$7.89M +690,481 New