Type / Class
Equity / Common Stock, par value $0.00001 per share
Shares outstanding
82,107,547
Total 13F shares
69,944,920
Share change
-1,520,237
Total reported value
$197,954,185
Put/Call ratio
16%
Price per share
$2.83
Number of holders
177
Value change
-$24,422,618
Number of buys
81
Number of sells
118

Institutional Holders of ASPEN AEROGELS INC - Common Stock, par value $0.00001 per share (ASPN) as of Q4 2025

As of 31 Dec 2025, ASPEN AEROGELS INC - Common Stock, par value $0.00001 per share (ASPN) was held by 177 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 69,944,920 shares. The largest 10 holders included KIM, LLC, BlackRock, Inc., VANGUARD GROUP INC, OAKTOP CAPITAL MANAGEMENT II, L.P., NEEDHAM INVESTMENT MANAGEMENT LLC, Invesco Ltd., George Kaiser Family Foundation, STATE STREET CORP, DIMENSIONAL FUND ADVISORS LP, and GEODE CAPITAL MANAGEMENT, LLC. This page lists 177 institutional shareholders reporting positions in this security for the Q4 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.