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Aspen Aerogels

204 hedge funds and large institutions have $497M invested in Aspen Aerogels in 2025 Q3 according to their latest regulatory filings, with 51 funds opening new positions, 63 increasing their positions, 56 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
204
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$11.6M
Puts
$3.28M
Net Calls
Net Calls Change

Top Sellers

1 -$10.4M
2 -$5.51M
3 -$3.14M
4
Renaissance Technologies
Renaissance Technologies
New York
-$3.05M
5
HF
HRT Financial
New York
-$3.02M
Name Holding Trade Value Shares
Change
Change in
Stake
176
$5.12K
177
$5K
178
$4.7K
179
$4.46K
180
$4.13K
181
$3.67K
182
$3.38K
183
$2.61K
184
$2.61K
185
$2.09K
186
$1.74K
187
$1.46K
188
$1.43K
189
$1.39K
190
$1.25K
191
$1.09K
192
$682
193
$644
194
$612
195
$601
196
$565
197
$557
198
$348
199
$264
200
$174