GuruTrack
ASPN

ASPN

ASPEN AEROGELS INC

Data as of 2026 Q2 (06-30) · 13F snapshot

Summary
ASPEN AEROGELS INC (ASPN) is held as common stock by 5 tracked hedge-fund managers, with a combined reported value of ~$14.46M; the largest are Izzy Englander, Paul Tudor Jones, Renaissance Technologies. 2 tracked managers also disclosed PUT or CALL positions, reported separately below. This quarter: 1 new, 1 added, 3 trimmed. 3 public STOCK Act / OGE trade disclosures are on record. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Mixed
Common-stock holders52 also report options
Congress trades3
Price$5.22vs quarter-end-17.67%
Sectors0
This quarter's moves
New1
Added1
Trimmed / sold3
Top holderIzzy Englander

Common-stock positions

PUT and CALL disclosures are excluded from these holder counts and values.

PUT / CALL disclosures

Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.

Value $1.16M— of portfolio182,2002026 Q2
Value $385.5K— of portfolio60,8002026 Q2
Value $39.3K— of portfolio6,2002026 Q2

Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.