ASPN ASPEN AEROGELS INC: institutional ownership and insider trading
192 funds reported holding $499M of ASPEN AEROGELS INC in their latest 13F filings; in Q2 2026 funds net bought $26.1M, with 37 new positions and 23 funds selling out; over the last 12 months insiders bought $0 and sold $58.3M on the open market; over its last four quarters it reported revenue of $202M and net income of −$126M.
ASPN revenue and earnings
- Quarter ended Jun 30, 2026: revenue $49.8M, net income −$23.3M, EPS -0.28
- Quarter ended Mar 31, 2026: revenue $37.9M, net income −$23.7M, EPS -0.29
- Quarter ended Dec 31, 2025: revenue $41.3M, net income −$72.9M, EPS -0.87
- Quarter ended Sep 30, 2025: revenue $73.0M, net income −$6.33M, EPS -0.08
Famous investors holding ASPN
- Izzy Englander (Millennium Management): $7.55M, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $6.76M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $4.94M, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $3.05M, 0.0% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $1.74M, 0.0% of the portfolio
Largest institutional holders of ASPN
- KIM, LLC — $77.9M
- BlackRock, Inc. (BLK) — $33.5M
- OAKTOP CAPITAL MANAGEMENT II, L.P. — $32.8M
- VANGUARD CAPITAL MANAGEMENT LLC — $22.4M
- NEEDHAM INVESTMENT MANAGEMENT LLC — $20.7M
- GEORGE KAISER FAMILY FOUNDATION — $20.1M
- STATE STREET CORP (STT, STT-PG) — $16.2M
- AMERICAN CENTURY COMPANIES INC — $15.9M
- VANGUARD GROUP INC — $13.3M
- JACOBS LEVY EQUITY MANAGEMENT, INC — $13.0M
Recent ASPN insider trades
- Sep 23, 2026: Wood River Capital, LLC sold 12,280,426 shares ($58.1M)
- Nov 13, 2025: Young Donald R sold 56,845 shares ($184K)
- Aug 13, 2025: Daniel Santhosh P sold 6,410 shares ($47.3K)
- May 12, 2025: Young Donald R bought 20,000 shares ($107K)
5%+ owners
- Orin Hirschman: 8.6% (Schedule 13G, filed Oct 19, 2026)
Who owns the most ASPN stock?
The largest institutional holders of ASPEN AEROGELS INC in the latest 13F filings are KIM, LLC ($77.9M), BlackRock, Inc. (BLK) ($33.5M), OAKTOP CAPITAL MANAGEMENT II, L.P. ($32.8M).
Are insiders buying or selling ASPN?
Over the last 12 months insiders bought $0 and sold $58.3M of ASPEN AEROGELS INC stock on the open market (SEC Form 4).
Which famous investors own ASPN?
Izzy Englander, D. E. Shaw, Two Sigma, Ken Griffin, Renaissance Technologies.
What was ASPN's revenue last quarter?
ASPEN AEROGELS INC reported revenue of $49.8M for the quarter ended June 30, 2026, with net income of −$23.3M.
Which ETFs hold ASPN?
14 ETFs and mutual funds hold it among their top 100 positions, including NEAGX, PBW, NESGX, NEEGX.