ASPN icon

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 %
Voloridge Investment Management
76
Voloridge Investment Management
Florida
$590K -$1.07M -167,715 -64%
RhumbLine Advisers
77
RhumbLine Advisers
Massachusetts
$581K -$13.3K -2,079 -2%
Barclays
78
Barclays
United Kingdom
$536K -$153K -23,990 -22%
MS
79
Maven Securities
Jersey
$514K +$322K +50,421 +168%
QCM
80
Qsemble Capital Management
New York
$499K +$218K +34,102 +77%
HF
81
HRT Financial
New York
$495K -$26.8K -4,203 -5%
Citigroup
82
Citigroup
New York
$487K -$72.4K -11,335 -13%
Invesco
83
Invesco
Georgia
$464K +$139K +21,760 +43%
BA
84
Bridgewater Advisors
New York
$445K +$254 +47 +0.1%
SSA
85
Schonfeld Strategic Advisors
New York
$433K -$453K -70,873 -51%
SG Americas Securities
86
SG Americas Securities
New York
$431K +$431K +67,394 New
T. Rowe Price Associates
87
T. Rowe Price Associates
Maryland
$425K +$153K +23,924 +56%
Two Sigma Advisers
88
Two Sigma Advisers
New York
$417K +$26.8K +4,200 +7%
EC
89
EntryPoint Capital
New York
$414K +$230K +35,999 +125%
Legal & General Group
90
Legal & General Group
United Kingdom
$414K +$8.1K +1,268 +2%
PA
91
Promethium Advisors
Maryland
$405K +$105K +16,440 +35%
CS
92
Cannell & Spears
New York
$399K -$2.72K -425 -0.7%
CC
93
Centiva Capital
New York
$395K +$395K +61,801 New
California State Teachers Retirement System (CalSTRS)
94
California State Teachers Retirement System (CalSTRS)
California
$390K – – –
OR
95
Olympiad Research
Connecticut
$374K +$221K +34,538 +144%
NRD
96
Nebula Research & Development
New York
$369K +$70.5K +11,029 +24%
Royal Bank of Canada
97
Royal Bank of Canada
Ontario, Canada
$360K +$165K +25,880 +85%
Thrivent Financial for Lutherans
98
Thrivent Financial for Lutherans
Minnesota
$356K +$356K +55,719 New
Envestnet Asset Management
99
Envestnet Asset Management
Illinois
$355K +$52.7K +8,249 +17%
SC
100
Skylands Capital
Wisconsin
$350K +$350K +54,800 New
2 3
4
5 6