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, Q2 2025
Institutional positions in Aspen Aerogels Inc as of Jun 30, 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
- 182
- −39 vs. Q1 2025
- Shares held
- 71.4M
- +122.6K (+0.2%) vs. Q1 2025
- Total value
- $423.4M
- −$31.9M (−7.0%) vs. Q1 2025
- New holders
- 26
- 75 more added
- Sold out
- 65
- 54 more reduced
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Aspen Aerogels Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −50,226−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −43,500−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −41,318−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −37,520−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −37,181−100.0% | Sold out |
| Lewis Asset Management, LLC | 0 | $0 | 0.00% | −33,100−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −30,242−100.0% | Sold out |
| Abbot Financial Management, Inc. | 0 | $0 | 0.00% | −30,180−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −27,851−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −25,300−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −23,955−100.0% | Sold out |
| DnB Asset Management AS | 0 | $0 | 0.00% | −23,126−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −22,397−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −19,334−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −18,706−100.0% | Sold out |
| Journey Strategic Wealth LLC | 0 | $0 | 0.00% | −17,596−100.0% | Sold out |
| Ballentine Partners, LLC | 0 | $0 | 0.00% | −16,317−100.0% | Sold out |
| Eisler Capital Management Ltd. | 0 | $0 | 0.00% | −15,469−100.0% | Sold out |
| Kovitz Investment Group Partners, LLC | 0 | $0 | 0.00% | −14,548−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −14,294−100.0% | Sold out |
| CIBC World Markets Corp | 0 | $0 | 0.00% | −13,698−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −11,513−100.0% | Sold out |
| HB Wealth Management, LLC | 0 | $0 | 0.00% | −11,481−100.0% | Sold out |
| Icapital Wealth LLC | 0 | $0 | 0.00% | −11,202−100.0% | Sold out |
| Exchange Traded Concepts, LLC | 0 | $0 | 0.00% | −7,436−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −6,880−100.0% | Sold out |
| Point72 Asia (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −4,511−100.0% | Sold out |
| Parallel Advisors, LLC | 0 | $0 | 0.00% | −3,640−100.0% | Sold out |
| Coldstream Capital Management Inc | 0 | $0 | 0.00% | −2,986−100.0% | Sold out |
| TD Waterhouse Canada Inc. | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −435−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −435−100.0% | Sold out |
| South State Corp. | 0 | $0 | 0.00% | −417−100.0% | Sold out |
| HHM Wealth Advisors, LLC | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Ameriflex Group, Inc. | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Hexagon Capital Partners LLC | 0 | $0 | 0.00% | −135−100.0% | Sold out |
| Colonial Trust Co | 0 | $0 | 0.00% | −108−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −105−100.0% | Sold out |
| Assetmark, Inc | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Smartleaf Asset Management LLC | 0 | $0 | 0.00% | −71−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −56−100.0% | Sold out |
| CoreCap Advisors, LLC | 0 | $0 | 0.00% | −23−100.0% | Sold out |
| TD Capital Management LLC | 0 | $0 | 0.00% | −22−100.0% | Sold out |
| Federation des caisses Desjardins du Quebec | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Capital Advisors, Ltd. LLC | 0 | $0 | 0.00% | −24−100.0% | Sold out |
| Bouvel Investment Partners, LLC | 0 | $0 | 0.00% | −90,992−100.0% | Sold out |