Gagnon Advisors, LLC’s Aspen Aerogels Inc Position
Does Gagnon Advisors, LLC own Aspen Aerogels Inc (ASPN)? Not currently — the last reported position was 565.6K shares worth $4M in Q3 2025; the fund’s latest 13F (Q1 2026) no longer reports it.
Position Value
$4M
Q3 2025
Shares
565.6K
% of Portfolio
+2.43%
Quarters Held
2
position exited
Position History ASPN
Reported value by quarter
Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Gagnon Advisors, LLC’s full portfolio or all institutional holders of ASPN.