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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 %
Mitsubishi UFJ Asset Management
76
Mitsubishi UFJ Asset Management
Japan
$469K 79,178 +47,144 +147%
Voloridge Investment Management
77
Voloridge Investment Management
Florida
$467K 78,851 -13,461 -15%
Russell Investments Group
78
Russell Investments Group
United Kingdom
$456K 76,950 -43,144 -36%
Universal-Beteiligungs- und Servicegesellschaft
79
Universal-Beteiligungs- und Servicegesellschaft
Germany
$429K 72,428 +40,654 +128%
T. Rowe Price Associates
80
T. Rowe Price Associates
Maryland
$420K 70,877 +4,502 +7%
Capital Fund Management (CFM)
81
Capital Fund Management (CFM)
France
$415K 70,048 -310,101 -82%
Squarepoint
82
Squarepoint
New York
$404K 68,167 -574,636 -89%
Legal & General Group
83
Legal & General Group
United Kingdom
$397K 67,130 +2,324 +4%
Envestnet Asset Management
84
Envestnet Asset Management
Illinois
$396K 66,910 +11,399 +21%
SC
85
Savant Capital
Illinois
$356K 60,060 +60,060 New
Balyasny Asset Management
86
Balyasny Asset Management
Illinois
$350K 59,099 -97,649 -62%
California State Teachers Retirement System (CalSTRS)
87
California State Teachers Retirement System (CalSTRS)
California
$335K 56,519 -4,526 -7%
AIP
88
ARS Investment Partners
New York
$335K 56,507 +32,166 +132%
Thrivent Financial for Lutherans
89
Thrivent Financial for Lutherans
Minnesota
$330K 55,719 – –
SC
90
Skylands Capital
Wisconsin
$324K 54,800 – –
Wells Fargo
91
Wells Fargo
California
$304K 51,357 -69,111 -57%
MIM
92
MetLife Investment Management
New Jersey
$264K 44,577 -719,846 -94%
LPL Financial
93
LPL Financial
California
$259K 43,784 +12,341 +39%
CM
94
Caption Management
Oklahoma
$259K 43,700 +43,700 New
Franklin Resources
95
Franklin Resources
California
$239K 40,413 +5 +0%
SMH
96
Sanders Morris Harris
Texas
$237K 40,000 – –
Two Sigma Advisers
97
Two Sigma Advisers
New York
$236K 39,900 -25,300 -39%
IIM
98
INTECH Investment Management
Florida
$229K 38,723 +48 +0.1%
PWM
99
Perigon Wealth Management
California
$224K 37,866 +4,270 +13%
Mirae Asset Global ETFs Holdings
100
Mirae Asset Global ETFs Holdings
Hong Kong
$211K 35,608 -992 -3%
2 3
4
5 6