Aspen Aerogels Inc
ASPN- Exchange
- NYSE
- Industry
- Wholesale-Lumber & Other Construction Materials
- SEC CIK
- 0001145986
In the last 90 days, Aspen Aerogels Inc insiders filed 0 open-market purchases and 1 sale; 179 institutions reported holding it in 13F filings for Q2 2026, worth $464.9M in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Aspen Aerogels Inc as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 183
- −16 vs. Q3 2025
- Shares held
- 70.1M
- −1.02M (−1.4%) vs. Q3 2025
- Total value
- $199.0M
- −$296.1M (−59.8%) vs. Q3 2025
- New holders
- 42
- 46 more added
- Sold out
- 58
- 64 more reduced
5 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ASPN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 179 | $464.9M |
| Q1 2026 | 166 | $236.7M |
| Q4 2025 | 183 | $199.0M |
| Q3 2025 | 204 | $496.8M |
| Q2 2025 | 182 | $423.4M |
| Q1 2025 | 221 | $455.4M |
| Q4 2024 | 231 | $868.2M |
| Q3 2024 | 243 | $1.93B |
| Q2 2024 | 222 | $1.69B |
| Q1 2024 | 167 | $1.31B |
| Q4 2023 | 170 | $1.18B |
| Q3 2023 | 159 | $582.9M |
| Q2 2023 | 159 | $524.6M |
| Q1 2023 | 156 | $498.6M |
| Q4 2022 | 164 | $793.4M |
| Q3 2022 | 140 | $344.0M |
| Q2 2022 | 148 | $366.3M |
| Q1 2022 | 145 | $1.09B |
| Q4 2021 | 159 | $1.42B |
| Q3 2021 | 130 | $1.27B |
| Q2 2021 | 115 | $849.9M |
| Q1 2021 | 85 | $482.2M |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Aspen Aerogels Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Perigon Wealth Management, LLC | 0 | $0 | 0.00% | −49,321−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −46,754−100.0% | Sold out |
| Sanders Morris Harris LLC | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −39,300−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −36,181−100.0% | Sold out |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0 | $0 | 0.00% | −35,123−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −34,787−100.0% | Sold out |
| Quantinno Capital Management LP | 0 | $0 | 0.00% | −23,269−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −23,221−100.0% | Sold out |
| Creative Planning | 0 | $0 | 0.00% | −21,948−100.0% | Sold out |
| Sender Co & Partners, Inc. | 0 | $0 | 0.00% | −21,588−100.0% | Sold out |
| DGS Capital Management, LLC | 0 | $0 | 0.00% | −20,153−100.0% | Sold out |
| TCG Advisory Services, LLC | 0 | $0 | 0.00% | −16,940−100.0% | Sold out |
| Atomi Financial Group, Inc. | 0 | $0 | 0.00% | −15,003−100.0% | Sold out |
| Penbrook Management LLC | 0 | $0 | 0.00% | −14,180−100.0% | Sold out |
| Caxton Associates LLP | 0 | $0 | 0.00% | −13,654−100.0% | Sold out |
| Probity Advisors, Inc. | 0 | $0 | 0.00% | −11,938−100.0% | Sold out |
| Commonwealth Equity Services, LLC | 0 | $0 | 0.00% | −11,352−100.0% | Sold out |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −10,847−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −10,398−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −10,324−100.0% | Sold out |
| Omers Administration Corp | 0 | $0 | 0.00% | −10,300−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −10,109−100.0% | Sold out |
| Keebeck Alpha, LP | 0 | $0 | 0.00% | −10,109−100.0% | Sold out |
| Nisa Investment Advisors, LLC | 0 | $0 | 0.00% | −4,866−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −3,412−100.0% | Sold out |
| Stance Capital LLC | 0 | $0 | 0.00% | −2,733−100.0% | Sold out |
| Wealthspire Advisors, LLC | 0 | $0 | 0.00% | −1,355−100.0% | Sold out |
| Versant Capital Management, Inc | 0 | $0 | 0.00% | −1,322−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −975−100.0% | Sold out |
| Huntington National Bank | 0 | $0 | 0.00% | −735−100.0% | Sold out |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0 | $0 | 0.00% | −777−100.0% | Sold out |
| EverSource Wealth Advisors, LLC | 0 | $0 | 0.00% | −641−100.0% | Sold out |
| Stephens Consulting, LLC | 0 | $0 | 0.00% | −486−100.0% | Sold out |
| Bogart Wealth, LLC | 0 | $0 | 0.00% | −375−100.0% | Sold out |
| Kilter Group LLC | 0 | $0 | 0.00% | −180−100.0% | Sold out |
| TD Private Client Wealth LLC | 0 | $0 | 0.00% | −98−100.0% | Sold out |
| Ronald Blue Trust, Inc. | 0 | $0 | 0.00% | −88−100.0% | Sold out |
| Hughes Financial Services, LLC | 0 | $0 | 0.00% | −72−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |
| Wolverine Trading, LLC | – | – | – | – | Not filed |
| Point72 Asia (Singapore) Pte. Ltd. | – | – | – | – | Not filed |
| Point72 (DIFC) Ltd | – | – | – | – | Not filed |
| Point72 Europe (London) LLP | – | – | – | – | Not filed |