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, Q3 2025
Institutional positions in Aspen Aerogels Inc as of Sep 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
- 204
- +23 vs. Q2 2025
- Shares held
- 71.4M
- −59.8K (−0.1%) vs. Q2 2025
- Total value
- $496.8M
- +$73.5M (+17.4%) vs. Q2 2025
- New holders
- 51
- 63 more added
- Sold out
- 28
- 55 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Aspen Aerogels Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Raymond James Financial Inc | 34,787 | $242.1K | 0.00% | +8,228+31.0% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 35,123 | $244.5K | 0.00% | −37,305−51.5% | Reduced |
| Fox Run Management, L.L.C. | 36,181 | $251.8K | 0.04% | +36,181 | New |
| Versor Investments LP | 39,300 | $273.5K | 0.05% | +39,300 | New |
| Sanders Morris Harris LLC | 40,000 | $278.4K | 0.04% | 00.0% | Unchanged |
| Connors Investor Services Inc | 40,167 | $279.6K | 0.02% | +5,000+14.2% | Added |
| Intech Investment Management LLC | 44,964 | $312.9K | 0.00% | +6,241+16.1% | Added |
| Franklin Resources Inc | 46,754 | $325.4K | 0.00% | +6,341+15.7% | Added |
| Perigon Wealth Management, LLC | 49,321 | $343.3K | 0.01% | +11,455+30.3% | Added |
| Capital Fund Management S.A. | 49,750 | $346.3K | 0.00% | −20,298−29.0% | Reduced |
| Wolverine Trading, LLC | 49,356 | $349.4K | 0.01% | +49,356 | New |
| Wells Fargo & Company | 53,769 | $374.2K | 0.00% | +2,412+4.7% | Added |
| Brevan Howard Capital Management LP | 55,400 | $385.6K | 0.01% | +55,400 | New |
| ARS Investment Partners, LLC | 60,007 | $417.6K | 0.03% | +3,500+6.2% | Added |
| California State Teachers Retirement System | 60,670 | $422.3K | 0.00% | +4,151+7.3% | Added |
| Alliancebernstein L.P. | 64,090 | $446.1K | 0.00% | −22,950−26.4% | Reduced |
| EntryPoint Capital, LLC | 65,173 | $453.6K | 0.18% | −40,606−38.4% | Reduced |
| Verition Fund Management LLC | 65,962 | $459.1K | 0.00% | −29,169−30.7% | Reduced |
| CWM Advisors, LLC | 66,115 | $460.2K | 0.04% | +66,115 | New |
| Legal & General Group Plc | 67,130 | $467.2K | 0.00% | 00.0% | Unchanged |
| Harbour Capital Advisors, LLC | 58,675 | $472.9K | 0.10% | +58,675 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 70,177 | $488.4K | 0.00% | −9,001−11.4% | Reduced |
| Counterpoint Mutual Funds LLC | 71,595 | $498.3K | 0.04% | +71,595 | New |
| Price T Rowe Associates Inc | 76,626 | $534.0K | 0.00% | +5,749+8.1% | Added |
| Man Group plc | 80,197 | $558.2K | 0.00% | +80,197 | New |
| SG Americas Securities, LLC | 80,423 | $560.0K | 0.00% | −53,398−39.9% | Reduced |
| Atom Investors LP | 82,648 | $575.2K | 0.04% | +82,648 | New |
| Squarepoint Ops LLC | 90,850 | $632.3K | 0.00% | +22,683+33.3% | Added |
| Legato Capital Management LLC | 93,806 | $652.9K | 0.07% | +191+0.2% | Added |
| UBS Asset Management Americas Inc | 94,589 | $658.3K | 0.00% | −88,720−48.4% | Reduced |
| Algert Global LLC | 94,655 | $658.8K | 0.01% | −95,670−50.3% | Reduced |
| Barclays PLC | 99,365 | $691.6K | 0.00% | −30,502−23.5% | Reduced |
| IMC-Chicago, LLC | 103,197 | $718.3K | 0.01% | +16,016+18.4% | Added |
| Two Sigma Advisers, LP | 104,500 | $727.3K | 0.00% | +64,600+161.9% | Added |
| Graham Capital Management, L.P. | 105,880 | $736.9K | 0.03% | +93,257+738.8% | Added |
| Rhumbline Advisers | 110,732 | $770.7K | 0.00% | −2,774−2.4% | Reduced |
| LPL Financial LLC | 110,857 | $771.6K | 0.00% | +67,073+153.2% | Added |
| ExodusPoint Capital Management, LP | 116,422 | $810.3K | 0.01% | +116,422 | New |
| Oppenheimer & Co Inc | 121,826 | $847.9K | 0.01% | +102,047+515.9% | Added |
| Alps Advisors Inc | 123,677 | $860.8K | 0.00% | −15,485−11.1% | Reduced |
| Firsthand Capital Management, Inc. | 125,000 | $870.0K | 1.46% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 126,275 | $878.9K | 0.00% | −129,319−50.6% | Reduced |
| Nuveen, LLC | 133,867 | $931.7K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 134,247 | $934.4K | 0.00% | +57,297+74.5% | Added |
| Ironwood Investment Management LLC | 134,362 | $935.2K | 0.41% | +10,038+8.1% | Added |
| Swiss National Bank | 135,200 | $941.0K | 0.00% | 00.0% | Unchanged |
| Voleon Capital Management LP | 138,538 | $964.2K | 0.02% | −110,301−44.3% | Reduced |
| Los Angeles Capital Management LLC | 139,213 | $968.9K | 0.00% | +139,213 | New |
| Quantbot Technologies LP | 158,583 | $1.10M | 0.03% | +158,583 | New |
| Jane Street Group, LLC | 161,125 | $1.12M | 0.00% | +76,245+89.8% | Added |
| CastleKnight Management LP | 162,599 | $1.13M | 0.06% | −192,800−54.2% | Reduced |
| HRT Financial LP | 167,423 | $1.17M | 0.00% | −428,319−71.9% | Reduced |
| Susquehanna International Group, LLP | 168,847 | $1.18M | 0.00% | −110,140−39.5% | Reduced |
| Cubist Systematic Strategies, LLC | 176,010 | $1.23M | 0.02% | +80,252+83.8% | Added |
| AQR Capital Management LLC | 177,805 | $1.24M | 0.00% | −12,026−6.3% | Reduced |
| Point72 Asset Management, L.P. | 184,300 | $1.28M | 0.00% | +184,300 | New |
| Sargent Investment Group, LLC | 189,227 | $1.32M | 0.19% | −16,470−8.0% | Reduced |
| First Trust Advisors LP | 195,968 | $1.36M | 0.00% | −9,595−4.7% | Reduced |
| Palogic Value Management, L.P. | 200,000 | $1.39M | 0.59% | −410,000−67.2% | Reduced |
| Citigroup Inc | 210,545 | $1.47M | 0.00% | −92,272−30.5% | Reduced |
| Bank of New York Mellon Corp | 214,948 | $1.50M | 0.00% | +13,958+6.9% | Added |
| Deutsche Bank AG | 220,213 | $1.53M | 0.00% | +5,195+2.4% | Added |
| Renaissance Technologies LLC | 246,900 | $1.72M | 0.00% | −432,300−63.6% | Reduced |
| State of Wisconsin Investment Board | 256,790 | $1.79M | 0.00% | −25,833−9.1% | Reduced |
| Trexquant Investment LP | 260,157 | $1.81M | 0.02% | −388,881−59.9% | Reduced |
| Federated Hermes, Inc. | 289,931 | $2.02M | 0.00% | −1,476,802−83.6% | Reduced |
| Marshall Wace, LLP | 312,190 | $2.17M | 0.00% | −91,816−22.7% | Reduced |
| Samjo Management, LLC | 340,825 | $2.37M | 0.91% | −2,800−0.8% | Reduced |
| Baird Financial Group, Inc. | 364,423 | $2.54M | 0.00% | −35,317−8.8% | Reduced |
| Royal Bank of Canada | 387,034 | $2.69M | 0.00% | +8,518+2.3% | Added |
| Essex Investment Management Co LLC | 390,033 | $2.71M | 0.42% | −36,495−8.6% | Reduced |
| UBS Group AG | 396,809 | $2.76M | 0.00% | +123,980+45.4% | Added |
| American Century Companies Inc | 471,312 | $3.28M | 0.00% | +456,268+3,032.9% | Added |
| Tudor Investment Corp Et Al | 486,596 | $3.39M | 0.02% | +486,596 | New |
| First Eagle Investment Management, LLC | 517,323 | $3.60M | 0.01% | +517,323 | New |
| Jump Financial, LLC | 538,300 | $3.75M | 0.05% | +421,900+362.5% | Added |
| Gagnon Advisors, LLC | 565,570 | $3.94M | 2.43% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 572,588 | $3.99M | 0.00% | +26,745+4.9% | Added |
| Peregrine Investment Management Inc | 600,000 | $4.18M | 2.05% | +600,000 | New |
| Northern Trust Corp | 613,598 | $4.27M | 0.00% | +9,938+1.6% | Added |
| BNP Paribas Arbitrage, SA | 692,148 | $4.82M | 0.00% | +281,082+68.4% | Added |
| Morgan Stanley | 694,488 | $4.83M | 0.00% | −11,511−1.6% | Reduced |
| New York State Common Retirement Fund | 720,024 | $5.01M | 0.01% | +225,562+45.6% | Added |
| Two Sigma Investments, LP | 811,528 | $5.65M | 0.01% | +40,221+5.2% | Added |
| Bank of America Corp | 814,849 | $5.67M | 0.00% | −3,363−0.4% | Reduced |
| Penn Capital Management Co Inc | 1,036,995 | $7.23M | 0.56% | +291,118+39.0% | Added |
| Citadel Advisors LLC | 1,114,590 | $7.76M | 0.01% | +951,558+583.7% | Added |
| Invesco Ltd. | 1,222,376 | $8.51M | 0.00% | +390,385+46.9% | Added |
| JPMorgan Chase & Co | 1,349,749 | $9.39M | 0.00% | +103,243+8.3% | Added |
| Rice Hall James & Associates, LLC | 1,407,726 | $9.80M | 0.53% | −136,689−8.9% | Reduced |
| Goldman Sachs Group Inc | 1,419,804 | $9.88M | 0.00% | −782,096−35.5% | Reduced |
| Millennium Management LLC | 1,447,517 | $10.1M | 0.01% | +540,772+59.6% | Added |
| AWM Investment Company, Inc. | 1,555,477 | $10.8M | 1.01% | +120,000+8.4% | Added |
| Geode Capital Management, LLC | 1,584,871 | $11.0M | 0.00% | +2,129+0.1% | Added |
| Gagnon Securities LLC | 1,754,833 | $12.2M | 2.45% | −144,275−7.6% | Reduced |
| Telemark Asset Management, LLC | 1,792,424 | $12.5M | 1.18% | 00.0% | Unchanged |
| State Street Corp | 1,944,636 | $13.5M | 0.00% | +23,639+1.2% | Added |
| Dimensional Fund Advisors LP | 2,252,013 | $15.7M | 0.00% | −197,090−8.0% | Reduced |
| George Kaiser Family Foundation | 3,167,322 | $22.0M | 3.09% | 00.0% | Unchanged |
| Needham Investment Management LLC | 3,439,700 | $23.9M | 1.67% | +425,500+14.1% | Added |