ASPN
ASPEN AEROGELS INCData as of 2026 Q1 (03-31) · 13F snapshot
Summary
ASPEN AEROGELS INC (ASPN) is held by 5 tracked hedge-fund managers, a combined reported value of ~$12.53M; the largest are Izzy Englander, Steven Cohen, Ken Griffin. This quarter: 1 new, 1 added, 1 trimmed. 3 members of Congress have disclosed STOCK Act trades. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Quiet
Gurus holding5
Congress trades3
Price$4.67vs quarter-end+36.55%
Sectors0
This quarter's moves
Top holderIzzy EnglanderNew1
Added1
Trimmed / sold1
Value $2.30M— of portfolio50,0002021 Q3
Value $511.3K— of portfolio149,5002026 Q1
Value $271.9K— of portfolio79,5002026 Q1
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Steven CohenCALL | $2.30M | — | — |
| Ken GriffinCALL | $511.3K | — | — |
| Ken GriffinPUT | $271.9K | — | — |
Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.