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Aspen Aerogels
ASPN

Overview Fund Activity

181 hedge funds and large institutions have $422M invested in Aspen Aerogels in 2025 Q2 according to their latest regulatory filings, with 26 funds opening new positions, 75 increasing their positions, 53 reducing their positions, and 65 closing their positions.

Holders
181
Holders Change
-40
Holders Change %
-18.1%
% of All Funds
2.43%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
26
Increased
75
Reduced
53
Closed
65
Calls
$4.13M
Puts
$1.9M
Net Calls
+$2.23M
Net Calls Change
-$8.38M

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 Market Value Shares Shares
Change 		Shares
Change %
PAS
226
Point72 Asia (Singapore)
Singapore
– – -4,511 Closed
PA
227
Parallel Advisors
California
– – -3,640 Closed
CCM
228
Coldstream Capital Management
Washington
– – -2,986 Closed
TWC
229
TD Waterhouse Canada
Ontario, Canada
– – -1,000 Closed
QL
230
Quarry LP
New York
– – -435 Closed
ACM
231
Aster Capital Management
United Arab Emirates
– – -435 Closed
SC
232
SouthState Corp
Florida
– – -417 Closed
HWA
233
HHM Wealth Advisors
Tennessee
– – -200 Closed
AG
234
AmeriFlex Group
Nevada
– – -200 Closed
HCP
235
Hexagon Capital Partners
Arkansas
– – -135 Closed
CT
236
Colonial Trust
South Carolina
– – -108 Closed
QCG
237
Quadrant Capital Group
Ohio
– – -105 Closed
AssetMark Inc
238
AssetMark Inc
California
– – -100 Closed
SAM
239
Smartleaf Asset Management
Massachusetts
– – -71 Closed
PHK
240
Point72 Hong Kong
Hong Kong
– – -56 Closed
CAL
241
Capital Advisors Ltd
Ohio
– – -24 Closed
CA
242
CoreCap Advisors
Michigan
– – -23 Closed
TCM
243
TD Capital Management
Tennessee
– – -22 Closed
FDCDDQ
244
Federation des caisses Desjardins du Quebec
Quebec, Canada
– – -15 Closed
BIG
245
Brooklyn Investment Group
New York
– – -5 Closed
Walleye Trading
246
Walleye Trading
New York
– – – –
Walleye Capital
247
Walleye Capital
New York
– – – –
C
248
Covestor
United Kingdom
$0 14 +8 +133%
6 7 8 9
10