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

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$1M
2
AIC
2
AWM Investment Company
New York
$8.5M
3
MIM
3
MetLife Investment Management
New Jersey
$264K
4
DC
4
Dendur Capital
New York
$0
5
Millennium Management
5
Millennium Management
New York
$5.37M
Name Holding Trade Value Shares
Change 		Shares
Change %
PFBT
176
Parkside Financial Bank & Trust
Missouri
$474 +$474 +80 New
CTA
177
Colonial Trust Advisors
South Carolina
$296 – – –
API
178
Asset Planning Inc
California
$148 – – –
WCM
179
WealthTrak Capital Management
Virginia
$148 +$148 +25 New
CA
180
Clearstead Advisors
Ohio
$72 +$72 +12 New
FFA
181
Farther Finance Advisors
California
$6 -$210 -35 -97%
DC
182
Dendur Capital
New York
– -$4.12M -644,045 Closed
Ameriprise
183
Ameriprise
Minnesota
– -$3.5M -548,110 Closed
SI
184
Sora Investors
Pennsylvania
– -$2.64M -413,078 Closed
Tudor Investment Corp
185
Tudor Investment Corp
Connecticut
– -$2.57M -401,667 Closed
RGC
186
Redwood Grove Capital
California
– -$944K -147,705 Closed
DTL
187
Dynamic Technology Lab
Singapore
– -$800K -125,156 Closed
ECM
188
ExodusPoint Capital Management
New York
– -$795K -124,357 Closed
PGCM
189
Prescott Group Capital Management
Oklahoma
– -$785K -122,796 Closed
AE
190
AMH Equity
New York
– -$703K -110,000 Closed
CCIA
191
Campbell & Co Investment Adviser
Maryland
– -$701K -109,728 Closed
BPC
192
Bryce Point Capital
New York
– -$749K -97,059 Closed
BIP
193
Bouvel Investment Partners
Pennsylvania
– -$2.52M -90,992 Closed
BA
194
Bridgewater Advisors
New York
– -$445K -82,399 Closed
MS
195
Maven Securities
Jersey
– -$514K -80,421 Closed
QCM
196
Qsemble Capital Management
New York
– -$499K -78,133 Closed
SSA
197
Schonfeld Strategic Advisors
New York
– -$433K -67,827 Closed
PA
198
Promethium Advisors
Maryland
– -$405K -63,320 Closed
CC
199
Centiva Capital
New York
– -$395K -61,801 Closed
OR
200
Olympiad Research
Connecticut
– -$374K -58,545 Closed
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