ASPN icon

Aspen Aerogels

221 hedge funds and large institutions have $458M invested in Aspen Aerogels in 2025 Q1 according to their latest regulatory filings, with 44 funds opening new positions, 83 increasing their positions, 67 reducing their positions, and 49 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:

less ownership

Funds ownership:

less funds holding

Funds holding:

10% less first-time investments, than exits

New positions opened: 44 | Existing positions closed: 49

40% less funds holding in top 10

Funds holding in top 10: 53 (-2)

47% less capital invested

Capital invested by funds: $867M → $458M (-$409M)

Holders
221
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
$14.3M
Puts
$3.74M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
1
$78.5M
2
$31.7M
3
$28.1M
4
$27.9M
5
$20.2M
6
$17.5M
7
$16M
8
$15.7M
9
$12.1M
10
$10.2M
11
$9.69M
12
$9.55M
13
$8.14M
14
$7.78M
15
$5.76M
16
$5.5M
17
$5.3M
18
$5.2M
19
$5.05M
20
$4.88M
21
$4.88M
22
$4.51M
23
$4.12M
24
$4.11M
25
$4.11M