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, Q1 2025
Institutional positions in Aspen Aerogels Inc as of Mar 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
- 221
- −6 vs. Q4 2024
- Shares held
- 71.3M
- −665.8K (−0.9%) vs. Q4 2024
- Total value
- $455.4M
- −$400.4M (−46.8%) vs. Q4 2024
- New holders
- 45
- 83 more added
- Sold out
- 51
- 66 more reduced
4 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Aspen Aerogels Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| MetLife Investment Management | 764,423 | $4.88M | 0.03% | +728,641+2,036.3% | Added |
| Morgan Stanley | 790,110 | $5.05M | 0.00% | +14,779+1.9% | Added |
| Samjo Management, LLC | 813,600 | $5.20M | 2.20% | −61,050−7.0% | Reduced |
| Rice Hall James & Associates, LLC | 828,789 | $5.30M | 0.31% | +274,587+49.5% | Added |
| Trexquant Investment LP | 860,246 | $5.50M | 0.06% | +459,582+114.7% | Added |
| Two Sigma Investments, LP | 901,484 | $5.76M | 0.01% | +308,719+52.1% | Added |
| FMR LLC | 1,217,140 | $7.78M | 0.00% | −8,933−0.7% | Reduced |
| Goldman Sachs Group Inc | 1,274,356 | $8.14M | 0.00% | +602,586+89.7% | Added |
| State Street Corp | 1,494,237 | $9.55M | 0.00% | +6,775+0.5% | Added |
| Geode Capital Management, LLC | 1,515,775 | $9.69M | 0.00% | +51,612+3.5% | Added |
| Millennium Management LLC | 1,599,392 | $10.2M | 0.01% | −22,630−1.4% | Reduced |
| Telemark Asset Management, LLC | 1,892,424 | $12.1M | 1.58% | 00.0% | Unchanged |
| AWM Investment Company, Inc. | 2,449,221 | $15.7M | 2.16% | +1,240,535+102.6% | Added |
| Dimensional Fund Advisors LP | 2,507,584 | $16.0M | 0.00% | +488,953+24.2% | Added |
| Needham Investment Management LLC | 2,737,200 | $17.5M | 1.64% | +347,500+14.5% | Added |
| George Kaiser Family Foundation | 3,167,322 | $20.2M | 2.97% | 00.0% | Unchanged |
| Vanguard Group Inc | 4,373,159 | $27.9M | 0.00% | +12,913+0.3% | Added |
| Oaktop Capital Management II, L.P. | 4,394,525 | $28.1M | 3.74% | +654,000+17.5% | Added |
| BlackRock, Inc. | 4,960,172 | $31.7M | 0.00% | −41,033−0.8% | Reduced |
| Kim, LLC | 12,280,426 | $78.5M | 12.42% | 00.0% | Unchanged |
| Bouvel Investment Partners, LLC | 90,992 | – | – | +26,629+41.4% | Added |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −1,104,549−100.0% | Sold out |
| American Century Companies Inc | 0 | $0 | 0.00% | −1,003,184−100.0% | Sold out |
| UniSuper Management Pty Ltd | 0 | $0 | 0.00% | −848,287−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −800,000−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −630,500−100.0% | Sold out |
| M&G Plc | 0 | $0 | 0.00% | −511,314−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −262,610−100.0% | Sold out |
| Ardsley Advisory Partners LP | 0 | $0 | 0.00% | −261,100−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −239,895−100.0% | Sold out |
| Kennedy Capital Management, Inc. | 0 | $0 | 0.00% | −224,475−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −155,087−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −117,212−100.0% | Sold out |
| DLD Asset Management, LP | 0 | $0 | 0.00% | −104,253−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −80,805−100.0% | Sold out |
| Storebrand Asset Management AS | 0 | $0 | 0.00% | −68,846−100.0% | Sold out |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −64,700−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −61,088−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −53,909−100.0% | Sold out |
| Lombard Odier Asset Management (USA) Corp | 0 | $0 | 0.00% | −49,398−100.0% | Sold out |
| Yorktown Management & Research Co Inc | 0 | $0 | 0.00% | −44,100−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −39,237−100.0% | Sold out |
| Fuller & Thaler Asset Management, Inc. | 0 | $0 | 0.00% | −38,200−100.0% | Sold out |
| Greenwood Capital Associates LLC | 0 | $0 | 0.00% | −36,938−100.0% | Sold out |
| Alpha DNA Investment Management LLC | 0 | $0 | 0.00% | −36,860−100.0% | Sold out |
| Connective Capital Management, LLC | 0 | $0 | 0.00% | −36,475−100.0% | Sold out |
| Corton Capital Inc. | 0 | $0 | 0.00% | −29,277−100.0% | Sold out |
| Toronto Dominion Bank | 0 | $0 | 0.00% | −22,388−100.0% | Sold out |
| Commonwealth Equity Services, LLC | 0 | $0 | 0.00% | −22,192−100.0% | Sold out |
| Talbot Financial, LLC | 0 | $0 | 0.00% | −21,130−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −20,427−100.0% | Sold out |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −20,289−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −18,445−100.0% | Sold out |
| Capula Management Ltd | 0 | $0 | 0.00% | −17,523−100.0% | Sold out |
| Cim, LLC | 0 | $0 | 0.00% | −16,263−100.0% | Sold out |
| Cambridge Investment Research Advisors, Inc. | 0 | $0 | 0.00% | −15,792−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −12,953−100.0% | Sold out |
| Wealth Enhancement Advisory Services, LLC | 0 | $0 | 0.00% | −10,843−100.0% | Sold out |
| Sandia Investment Management LP | 0 | $0 | 0.00% | −7,500−100.0% | Sold out |
| Leonteq Securities AG | 0 | $0 | 0.00% | −2,948−100.0% | Sold out |
| Stance Capital LLC | 0 | $0 | 0.00% | −2,889−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −2,779−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −2,050−100.0% | Sold out |
| Coppell Advisory Solutions LLC | 0 | $0 | 0.00% | −1,869−100.0% | Sold out |
| Harel Insurance Investments & Financial Services Ltd. | 0 | $0 | 0.00% | −1,597−100.0% | Sold out |
| Kestra Investment Management, LLC | 0 | $0 | 0.00% | −1,504−100.0% | Sold out |
| Red Tortoise LLC | 0 | $0 | 0.00% | −271−100.0% | Sold out |
| FLP Wealth Management, LLC | 0 | $0 | 0.00% | −201−100.0% | Sold out |
| Lindbrook Capital, LLC | 0 | $0 | 0.00% | −176−100.0% | Sold out |
| Bessemer Group Inc | 0 | $0 | 0.00% | −115−100.0% | Sold out |
| MRP Capital Investments, LLC | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| WealthTrak Capital Management LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |
| Mesirow Institutional Investment Management, Inc. | – | – | – | – | Not filed |
| Criterion Capital Advisors, LLC | – | – | – | – | Not filed |
| WR Wealth Planners, LLC | – | – | – | – | Not filed |