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 2024
Institutional positions in Aspen Aerogels Inc as of Dec 31, 2024. 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
- 231
- −6 vs. Q3 2024
- Shares held
- 73.0M
- +3.12M (+4.5%) vs. Q3 2024
- Total value
- $868.2M
- −$1.05B (−54.8%) vs. Q3 2024
- New holders
- 64
- 99 more added
- Sold out
- 70
- 42 more reduced
6 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding Aspen Aerogels Inc; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Kim, LLC | 12,280,426 | $145.9M | 20.68% | 00.0% | Unchanged |
| BlackRock, Inc. | 5,001,205 | $59.4M | 0.00% | +336,880+7.2% | Added |
| Vanguard Group Inc | 4,360,246 | $51.8M | 0.00% | +226,251+5.5% | Added |
| Oaktop Capital Management II, L.P. | 3,740,525 | $44.4M | 5.55% | +200,000+5.6% | Added |
| George Kaiser Family Foundation | 3,167,322 | $37.6M | 5.54% | 00.0% | Unchanged |
| Needham Investment Management LLC | 2,389,700 | $28.4M | 2.19% | +117,500+5.2% | Added |
| Dimensional Fund Advisors LP | 2,018,631 | $24.0M | 0.01% | +409,862+25.5% | Added |
| Telemark Asset Management, LLC | 1,892,424 | $22.5M | 2.24% | +400,000+26.8% | Added |
| Millennium Management LLC | 1,622,022 | $19.3M | 0.02% | +1,588,632+4,757.8% | Added |
| State Street Corp | 1,487,462 | $17.7M | 0.00% | +76,919+5.5% | Added |
| Geode Capital Management, LLC | 1,464,163 | $17.4M | 0.00% | +78,195+5.6% | Added |
| Cubist Systematic Strategies, LLC | 1,393,213 | $16.6M | 0.27% | +1,393,213 | New |
| FMR LLC | 1,226,073 | $14.6M | 0.00% | −2,824,823−69.7% | Reduced |
| AWM Investment Company, Inc. | 1,208,686 | $14.4M | 1.75% | +34,115+2.9% | Added |
| Point72 Asset Management, L.P. | 1,104,549 | $13.1M | 0.04% | +1,104,549 | New |
| American Century Companies Inc | 1,003,184 | $11.9M | 0.01% | −487,939−32.7% | Reduced |
| Royce & Associates LP | 946,623 | $11.2M | 0.10% | −265,474−21.9% | Reduced |
| Samjo Management, LLC | 874,650 | $10.4M | 3.92% | −21,125−2.4% | Reduced |
| UniSuper Management Pty Ltd | 848,287 | $10.1M | 0.07% | −107,100−11.2% | Reduced |
| Alyeska Investment Group, L.P. | 800,000 | $9.50M | 0.04% | +800,000 | New |
| Qube Research & Technologies Ltd | 783,235 | $9.30M | 0.02% | +769,377+5,551.9% | Added |
| Morgan Stanley | 775,331 | $9.21M | 0.00% | −50,546−6.1% | Reduced |
| Dendur Capital LP | 775,000 | $9.21M | 1.05% | +775,000 | New |
| Renaissance Technologies LLC | 766,400 | $9.10M | 0.01% | +632,500+472.4% | Added |
| Goldman Sachs Group Inc | 671,770 | $7.98M | 0.00% | +281,013+71.9% | Added |
| Northern Trust Corp | 641,050 | $7.62M | 0.00% | +77,364+13.7% | Added |
| Federated Hermes, Inc. | 630,500 | $7.49M | 0.02% | −368,100−36.9% | Reduced |
| Citadel Advisors LLC | 624,230 | $7.42M | 0.01% | +226,445+56.9% | Added |
| Two Sigma Investments, LP | 592,765 | $7.04M | 0.02% | +512,439+637.9% | Added |
| UBS Asset Management Americas Inc | 588,395 | $6.99M | 0.00% | +188,861+47.3% | Added |
| Nuveen Asset Management, LLC | 562,303 | $6.68M | 0.00% | −178,589−24.1% | Reduced |
| Rice Hall James & Associates, LLC | 554,202 | $6.58M | 0.36% | +19,089+3.6% | Added |
| Charles Schwab Investment Management Inc | 549,709 | $6.53M | 0.00% | +40,279+7.9% | Added |
| Frontier Capital Management Co LLC | 525,738 | $6.25M | 0.06% | −182,976−25.8% | Reduced |
| Ameriprise Financial Inc | 524,501 | $6.23M | 0.00% | +79,122+17.8% | Added |
| M&G Plc | 511,314 | $6.14M | 0.04% | +511,314 | New |
| First Trust Advisors LP | 492,507 | $5.85M | 0.01% | +216,452+78.4% | Added |
| Mesirow Institutional Investment Management, Inc. | 488,595 | $5.80M | 0.45% | +11,525+2.4% | Added |
| Sora Investors LLC | 487,245 | $5.79M | 0.64% | +362,245+289.8% | Added |
| CastleKnight Management LP | 445,599 | $5.29M | 0.58% | +445,599 | New |
| Algert Global LLC | 440,471 | $5.23M | 0.12% | +312,707+244.8% | Added |
| UBS Group AG | 435,843 | $5.18M | 0.00% | +304,592+232.1% | Added |
| Prescott Group Capital Management, L.L.C. | 431,500 | $5.13M | 0.70% | +431,500 | New |
| Deutsche Bank AG | 415,391 | $4.93M | 0.00% | +112,241+37.0% | Added |
| Squarepoint Ops LLC | 402,446 | $4.78M | 0.01% | +118,208+41.6% | Added |
| Baird Financial Group, Inc. | 401,131 | $4.77M | 0.01% | +57,039+16.6% | Added |
| Trexquant Investment LP | 400,664 | $4.76M | 0.06% | +400,664 | New |
| Sargent Investment Group, LLC | 371,049 | $4.72M | 0.77% | +47,680+14.7% | Added |
| State of Wisconsin Investment Board | 284,408 | $3.38M | 0.01% | +51,017+21.9% | Added |
| Caption Management, LLC | 262,610 | $3.12M | 0.13% | +202,055+333.7% | Added |
| Ardsley Advisory Partners LP | 261,100 | $3.10M | 0.60% | +136,100+108.9% | Added |
| Voloridge Investment Management, LLC | 260,027 | $3.09M | 0.01% | +260,027 | New |
| Essex Investment Management Co LLC | 248,243 | $2.95M | 0.53% | +32,476+15.1% | Added |
| Raymond James Financial Inc | 244,854 | $2.91M | 0.00% | +244,854 | New |
| Jump Financial, LLC | 239,895 | $2.85M | 0.06% | +141,795+144.5% | Added |
| Kennedy Capital Management, Inc. | 224,475 | $2.67M | 0.06% | +40,016+21.7% | Added |
| Wells Fargo & Company | 216,049 | $2.57M | 0.00% | +132,489+158.6% | Added |
| Bank of New York Mellon Corp | 189,884 | $2.26M | 0.00% | +16,094+9.3% | Added |
| Oppenheimer & Co Inc | 181,528 | $2.16M | 0.03% | +78,993+77.0% | Added |
| Susquehanna International Group, LLP | 167,209 | $1.99M | 0.00% | −343,922−67.3% | Reduced |
| Engineers Gate Manager LP | 155,087 | $1.84M | 0.03% | +155,087 | New |
| Allspring Global Investments Holdings, LLC | 152,517 | $1.82M | 0.00% | −86,367−36.2% | Reduced |
| Capital Fund Management S.A. | 151,404 | $1.80M | 0.02% | +75,846+100.4% | Added |
| Redwood Grove Capital, LLC | 147,705 | $1.75M | 0.54% | 00.0% | Unchanged |
| LMR Partners LLP | 141,785 | $1.68M | 0.03% | +141,785 | New |
| Schonfeld Strategic Advisors LLC | 138,700 | $1.65M | 0.01% | +138,700 | New |
| BNP Paribas Arbitrage, SA | 135,584 | $1.61M | 0.00% | +117,395+645.4% | Added |
| Graham Capital Management, L.P. | 131,475 | $1.56M | 0.05% | +68,177+107.7% | Added |
| Palogic Value Management, L.P. | 130,000 | $1.54M | 0.62% | +130,000 | New |
| Swiss National Bank | 128,800 | $1.53M | 0.00% | +2,400+1.9% | Added |
| Alps Advisors Inc | 124,233 | $1.48M | 0.01% | −36,178−22.6% | Reduced |
| IMC-Chicago, LLC | 121,667 | $1.45M | 0.04% | +92,054+310.9% | Added |
| Bryce Point Capital, LLC | 120,173 | $1.43M | 0.41% | +120,173 | New |
| Bank of America Corp | 119,873 | $1.42M | 0.00% | −5,136−4.1% | Reduced |
| Aquatic Capital Management LLC | 117,212 | $1.39M | 0.04% | +47,012+67.0% | Added |
| Barclays PLC | 107,764 | $1.28M | 0.00% | +15,462+16.8% | Added |
| JPMorgan Chase & Co | 105,591 | $1.25M | 0.00% | +79,901+311.0% | Added |
| Firsthand Capital Management, Inc. | 105,000 | $1.25M | 2.60% | 00.0% | Unchanged |
| DLD Asset Management, LP | 104,253 | $1.24M | 0.21% | −556,057−84.2% | Reduced |
| Tudor Investment Corp Et Al | 101,479 | $1.21M | 0.01% | +101,479 | New |
| Rhumbline Advisers | 93,044 | $1.11M | 0.00% | +2,554+2.8% | Added |
| Group One Trading, L.P. | 87,832 | $1.04M | 0.04% | +52,451+148.2% | Added |
| Fox Run Management, L.L.C. | 87,573 | $1.04M | 0.19% | +87,573 | New |
| Citigroup Inc | 87,559 | $1.04M | 0.00% | +22,944+35.5% | Added |
| Bridgewater Advisors Inc. | 82,352 | $1.03M | 0.11% | +4,995+6.5% | Added |
| XTX Topco Ltd | 85,747 | $1.02M | 0.09% | +85,747 | New |
| Jane Street Group, LLC | 85,462 | $1.02M | 0.00% | +32,975+62.8% | Added |
| HRT Financial LP | 81,702 | $970.0K | 0.01% | −2,037−2.4% | Reduced |
| Walleye Capital LLC | 80,805 | $960.0K | 0.01% | +69,225+597.8% | Added |
| Storebrand Asset Management AS | 68,846 | $817.9K | 0.00% | +68,846 | New |
| Dynamic Technology Lab Private Ltd | 65,471 | $778.0K | 0.13% | +65,471 | New |
| Wellington Management Group LLP | 64,700 | $768.6K | 0.00% | −85,932−57.0% | Reduced |
| Quantbot Technologies LP | 64,672 | $768.3K | 0.03% | +64,672 | New |
| Bouvel Investment Partners, LLC | 64,363 | $764.6K | 0.28% | −26,629−29.3% | Reduced |
| Legal & General Group Plc | 63,538 | $754.8K | 0.00% | +348+0.6% | Added |
| Spears Abacus Advisors LLC | 62,930 | $747.6K | 0.02% | +52,930+529.3% | Added |
| GWM Advisors LLC | 61,088 | $725.7K | 0.00% | −4,128−6.3% | Reduced |
| California State Teachers Retirement System | 61,045 | $725.2K | 0.00% | +264+0.4% | Added |
| Two Sigma Advisers, LP | 61,000 | $724.7K | 0.00% | +61,000 | New |
| Campbell & CO Investment Adviser LLC | 60,649 | $720.5K | 0.06% | +60,649 | New |