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Aspen Aerogels

182 hedge funds and large institutions have $424M invested in Aspen Aerogels in 2025 Q2 according to their latest regulatory filings, with 26 funds opening new positions, 76 increasing their positions, 53 reducing their positions, and 65 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

more funds holding in top 10

Funds holding in top 10:

7% less capital invested

Capital invested by funds: $458M → $424M (-$33.9M)

18% less funds holding

Funds holding: 221182 (-39)

60% less first-time investments, than exits

New positions opened: 26 | Existing positions closed: 65

Holders
182
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
$4.93M
Puts
$2.51M
Net Calls
Net Calls Change

Top Sellers

1 -$6.2M
2 -$6M
3 -$4.26M
4
DC
Dendur Capital
New York
-$4.12M
5
Millennium Management
Millennium Management
New York
-$4.1M
Name Holding Trade Value Shares
Change
Change in
Stake
Janney Montgomery Scott
76
Janney Montgomery Scott
Pennsylvania
$480K
Mitsubishi UFJ Asset Management
77
Mitsubishi UFJ Asset Management
Japan
$469K
Voloridge Investment Management
78
Voloridge Investment Management
Florida
$467K
Russell Investments Group
79
Russell Investments Group
United Kingdom
$456K
Universal-Beteiligungs- und Servicegesellschaft
80
Universal-Beteiligungs- und Servicegesellschaft
Germany
$429K
T. Rowe Price Associates
81
T. Rowe Price Associates
Maryland
$420K
Capital Fund Management (CFM)
82
Capital Fund Management (CFM)
France
$415K
Squarepoint
83
Squarepoint
New York
$404K
Legal & General Group
84
Legal & General Group
United Kingdom
$397K
Envestnet Asset Management
85
Envestnet Asset Management
Illinois
$396K
SC
86
Savant Capital
Illinois
$356K
Balyasny Asset Management
87
Balyasny Asset Management
Illinois
$350K
California State Teachers Retirement System (CalSTRS)
88
California State Teachers Retirement System (CalSTRS)
California
$335K
AIP
89
ARS Investment Partners
New York
$335K
Thrivent Financial for Lutherans
90
Thrivent Financial for Lutherans
Minnesota
$330K
SC
91
Skylands Capital
Wisconsin
$324K
Wells Fargo
92
Wells Fargo
California
$304K
MIM
93
MetLife Investment Management
New Jersey
$264K
LPL Financial
94
LPL Financial
California
$259K
CM
95
Caption Management
Oklahoma
$259K
Franklin Resources
96
Franklin Resources
California
$239K
SMH
97
Sanders Morris Harris
Texas
$237K
Two Sigma Advisers
98
Two Sigma Advisers
New York
$236K
IIM
99
INTECH Investment Management
Florida
$229K
PWM
100
Perigon Wealth Management
California
$224K