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Aspen Aerogels
ASPN

Overview Fund Activity

221 hedge funds and large institutions have $458M invested in Aspen Aerogels in 2025 Q1 according to their latest regulatory filings, with 45 funds opening new positions, 83 increasing their positions, 66 reducing their positions, and 49 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
221
Holders Change
-8
Holders Change %
-3.49%
% of All Funds
3%
Holding in Top 10
3
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-40%
% of All Funds
0.04%
New
45
Increased
83
Reduced
66
Closed
49
Calls
$14.3M
Puts
$3.74M
Net Calls
+$10.6M
Net Calls Change
-$10.8M

Top Buyers

1
AIC
AWM Investment Company
New York
+$7.93M
2
MIM
MetLife Investment Management
New Jersey
+$4.66M
3
OCMI
Oaktop Capital Management II
New Jersey
+$4.18M
4
PCM
Penn Capital Management
Pennsylvania
+$4.11M
5
Goldman Sachs
Goldman Sachs
New York
+$3.85M

Top Sellers

1
Point72 Asset Management
Point72 Asset Management
Connecticut
-$13.1M
2
American Century Companies
American Century Companies
Missouri
-$11.9M
3
UM
UniSuper Management
Australia
-$10.1M
4
Alyeska Investment Group
Alyeska Investment Group
Illinois
-$9.5M
5
CSS
Cubist Systematic Strategies
Connecticut
-$7.98M
Name Holding Trade Value Shares
Change 		Shares
Change %
AllianceBernstein
101
AllianceBernstein
Tennessee
$333K -$35K -5,480 -10%
PCM
102
Prelude Capital Management
New York
$321K +$198K +31,021 +162%
CAU
103
Caxton Associates (UK)
$307K +$307K +48,005 New
IMC Chicago
104
IMC Chicago
Illinois
$301K -$476K -74,527 -61%
AIP
105
ARS Investment Partners
New York
$289K – – –
VCM
106
Voleon Capital Management
California
$282K +$282K +44,060 New
VI
107
Versor Investments
New York
$278K +$278K +43,500 New
A
108
AlphaQuest
New York
$274K +$202K +31,539 +277%
XT
109
XTX Topco
Cayman Islands
$264K -$284K -44,429 -52%
Franklin Resources
110
Franklin Resources
California
$258K +$70.1K +10,973 +37%
LCM
111
Legato Capital Management
California
$257K -$3.14K -492 -1%
SMH
112
Sanders Morris Harris
Texas
$256K +$32K +5,000 +14%
IIM
113
INTECH Investment Management
Florida
$247K +$66.5K +10,408 +37%
DFCM
114
Dark Forest Capital Management
Puerto Rico
$240K +$240K +37,520 New
SEI Investments
115
SEI Investments
Pennsylvania
$238K +$57.4K +8,988 +32%
Mirae Asset Global ETFs Holdings
116
Mirae Asset Global ETFs Holdings
Hong Kong
$234K +$9.97K +1,560 +4%
PWM
117
Perigon Wealth Management
California
$215K -$5.46K -855 -2%
LAM
118
Lewis Asset Management
California
$212K +$212K +33,100 New
Mitsubishi UFJ Asset Management
119
Mitsubishi UFJ Asset Management
Japan
$205K -$6.45K -1,009 -3%
Universal-Beteiligungs- und Servicegesellschaft
120
Universal-Beteiligungs- und Servicegesellschaft
Germany
$203K +$203K +31,774 New
LPL Financial
121
LPL Financial
California
$201K +$104K +16,205 +106%
Janus Henderson Group
122
Janus Henderson Group
United Kingdom
$200K – – –
CF
123
Corebridge Financial
Texas
$193K -$2.87K -449 -1%
AFM
124
Abbot Financial Management
Massachusetts
$193K -$479 -75 -0.2%
WIC
125
Woodmont Investment Counsel
Tennessee
$192K +$29.7K +4,653 +18%
3 4
5
6 7