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Aspen Aerogels
ASPN

Overview Fund Activity

182 hedge funds and large institutions have $424M invested in Aspen Aerogels in 2025 Q2 according to their latest regulatory filings, with 26 funds opening new positions, 76 increasing their positions, 53 reducing their positions, and 65 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
182
Holders Change
-39
Holders Change %
-17.65%
% of All Funds
2.44%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
26
Increased
76
Reduced
53
Closed
65
Calls
$4.93M
Puts
$2.51M
Net Calls
+$2.42M
Net Calls Change
-$8.18M

Top Buyers

1
GS
Gagnon Securities
New York
$11.2M
2
Federated Hermes
Federated Hermes
Pennsylvania
$10.5M
3
Goldman Sachs
Goldman Sachs
New York
$13M
4
Invesco
Invesco
Georgia
$4.93M
5
RHJA
Rice Hall James & Associates
California
$9.14M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$1M
2
AIC
AWM Investment Company
New York
$8.5M
3
MIM
MetLife Investment Management
New Jersey
$264K
4
DC
Dendur Capital
New York
$0
5
Millennium Management
Millennium Management
New York
$5.37M
Name Holding Trade Value Shares
Change 		Shares
Change %
Mirae Asset Global ETFs Holdings
101
Mirae Asset Global ETFs Holdings
Hong Kong
$211K -$5.87K -992 -3%
NRD
102
Nebula Research & Development
New York
$210K -$133K -22,402 -39%
CIS
103
Connors Investor Services
Pennsylvania
$208K +$88.8K +15,000 +74%
PM
104
Penbrook Management
New York
$200K +$87.7K +14,180 +78%
Group One Trading
105
Group One Trading
Illinois
$197K +$34.2K +5,774 +21%
Janus Henderson Group
106
Janus Henderson Group
United Kingdom
$180K – – –
FC
107
FORA Capital
Florida
$174K +$101K +17,090 +138%
Raymond James Financial
108
Raymond James Financial
Florida
$157K +$9.99K +1,687 +7%
WIC
109
Woodmont Investment Counsel
Tennessee
$151K -$26.6K -4,500 -15%
Manulife (Manufacturers Life Insurance)
110
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$146K +$15.7K +2,656 +12%
IA
111
IFP Advisors
Florida
$123K -$35.3K -5,967 -22%
D.E. Shaw & Co
112
D.E. Shaw & Co
New York
$123K -$24.1K -4,067 -16%
CC
113
Corton Capital
Ontario, Canada
$122K +$122K +20,612 New
ASRS
114
Arizona State Retirement System
Arizona
$121K +$2.15K +363 +2%
OC
115
Oppenheimer & Co
New York
$117K -$1.09M -183,381 -90%
Osaic Holdings
116
Osaic Holdings
Arizona
$116K +$18.4K +1,552 +19%
Allspring Global Investments
117
Allspring Global Investments
North Carolina
$109K -$1.73M -281,504 -94%
VOYA Investment Management
118
VOYA Investment Management
Georgia
$109K +$10.6K +1,793 +11%
A
119
AlphaQuest
New York
$107K -$147K -24,780 -58%
QCM
120
Quantinno Capital Management
New York
$106K +$106K +17,938 New
CIA
121
Concurrent Investment Advisors
Florida
$104K +$3.03K +511 +3%
AAS
122
Avantax Advisory Services
Texas
$102K -$19.4K -3,272 -16%
MML Investors Services
123
MML Investors Services
Massachusetts
$94K +$94K +15,794 New
Creative Planning
124
Creative Planning
Kansas
$90.7K +$90.7K +15,324 New
American Century Companies
125
American Century Companies
Missouri
$89.1K +$89.1K +15,044 New
3 4
5
6 7