ASPEN AEROGELS INC - COMMON STOCK (ASPN)

Q2 2025 13F Holders as of 30 Jun 2025

Type / Class
Equity / COMMON STOCK
Shares outstanding
81,738,225
Number of holders
181
Total 13F shares, excl. options
71,504,120
Shares change
+218,676
Total reported value, excl. options
$423,792,194
Value change
-$835,712
Put/Call ratio
55%
Number of buys
98
Number of sells
-117
Price
$5.92

Significant Holders of ASPEN AEROGELS INC - COMMON STOCK (ASPN) as of Q2 2025

262 filings reported holding ASPN - ASPEN AEROGELS INC - COMMON STOCK as of Q2 2025.
ASPEN AEROGELS INC - COMMON STOCK (ASPN) has 181 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 71,504,120 shares of 81,738,225 outstanding shares and own 87% of the company stock.
Largest 10 shareholders include KIM, LLC (12,280,426 shares), BlackRock, Inc. (4,977,186 shares), VANGUARD GROUP INC (4,487,684 shares), OAKTOP CAPITAL MANAGEMENT II, L.P. (4,394,525 shares), George Kaiser Family Foundation (3,167,322 shares), NEEDHAM INVESTMENT MANAGEMENT LLC (3,014,200 shares), DIMENSIONAL FUND ADVISORS LP (2,449,103 shares), GOLDMAN SACHS GROUP INC (2,201,900 shares), STATE STREET CORP (1,920,997 shares), and GAGNON SECURITIES LLC (1,899,108 shares).
This table shows the top 181 institutional shareholders of the company equity. This data is sourced directly from the SEC via 13F filings.
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.