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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 %
State Board of Administration of Florida Retirement System
126
State Board of Administration of Florida Retirement System
Florida
$86.5K – – –
KK
127
KLP Kapitalforvaltning
Norway
$81.7K – – –
ProShare Advisors
128
ProShare Advisors
Maryland
$80.5K +$1.4K +236 +2%
PFSRSONJ
129
Police & Firemen's Retirement System of New Jersey
New Jersey
$76.4K – – –
GCM
130
Graham Capital Management
Connecticut
$74.7K -$914K -154,336 -92%
GC
131
Guggenheim Capital
Illinois
$63.6K +$2.2K +371 +4%
Zurich Cantonal Bank
132
Zurich Cantonal Bank
Switzerland
$63.4K -$86K -14,530 -58%
PA
133
Probity Advisors
Texas
$63.1K +$63.1K +10,665 New
IWC
134
Integrated Wealth Concepts
Massachusetts
$62.8K -$15K -2,537 -19%
Teacher Retirement System of Texas
135
Teacher Retirement System of Texas
Texas
$62.6K +$2.45K +414 +4%
GAM
136
Gotham Asset Management
New York
$61.5K +$61.5K +10,396 New
CS
137
Cannell & Spears
New York
$59.2K -$311K -52,505 -84%
CIA
138
Choate Investment Advisors
Massachusetts
$59.2K – – –
Carson Wealth (CWM LLC)
139
Carson Wealth (CWM LLC)
Nebraska
$49K -$41 -7 -0.1%
TRCT
140
Tower Research Capital (TRC)
New York
$42.8K +$27.8K +4,693 +185%
BCV
141
Banque Cantonale Vaudoise
Switzerland
$40K -$1.56K -261 -4%
SS
142
SBI Securities
Japan
$37.6K +$15.1K +2,551 +67%
Public Employees Retirement Association of Colorado
143
Public Employees Retirement Association of Colorado
Colorado
$36K – – –
SSG
144
Summit Securities Group
New York
$33.8K +$33.8K +5,716 New
AIP
145
Ameritas Investment Partners
Nebraska
$33.8K – – –
Nisa Investment Advisors
146
Nisa Investment Advisors
Missouri
$28.4K +$26K +4,390 +1,095%
WSFS
147
Wilmington Savings Fund Society
Delaware
$26.6K – – –
FPB
148
First PREMIER Bank
South Dakota
$24K – – –
US Bancorp
149
US Bancorp
Minnesota
$17.1K +$8.72K +1,473 +104%
SWP
150
Strategic Wealth Partners
Ohio
$13.9K +$13.9K +2,351 New
4 5
6
7 8