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 |
|---|---|---|---|---|---|
| Kim, LLC | 12,280,426 | $78.5M | 12.42% | 00.0% | Unchanged |
| BlackRock, Inc. | 4,960,172 | $31.7M | 0.00% | −41,033−0.8% | Reduced |
| Oaktop Capital Management II, L.P. | 4,394,525 | $28.1M | 3.74% | +654,000+17.5% | Added |
| Vanguard Group Inc | 4,373,159 | $27.9M | 0.00% | +12,913+0.3% | Added |
| George Kaiser Family Foundation | 3,167,322 | $20.2M | 2.97% | 00.0% | Unchanged |
| Needham Investment Management LLC | 2,737,200 | $17.5M | 1.64% | +347,500+14.5% | Added |
| Dimensional Fund Advisors LP | 2,507,584 | $16.0M | 0.00% | +488,953+24.2% | Added |
| AWM Investment Company, Inc. | 2,449,221 | $15.7M | 2.16% | +1,240,535+102.6% | Added |
| Telemark Asset Management, LLC | 1,892,424 | $12.1M | 1.58% | 00.0% | Unchanged |
| Millennium Management LLC | 1,599,392 | $10.2M | 0.01% | −22,630−1.4% | Reduced |
| Geode Capital Management, LLC | 1,515,775 | $9.69M | 0.00% | +51,612+3.5% | Added |
| State Street Corp | 1,494,237 | $9.55M | 0.00% | +6,775+0.5% | Added |
| Goldman Sachs Group Inc | 1,274,356 | $8.14M | 0.00% | +602,586+89.7% | Added |
| FMR LLC | 1,217,140 | $7.78M | 0.00% | −8,933−0.7% | Reduced |
| Two Sigma Investments, LP | 901,484 | $5.76M | 0.01% | +308,719+52.1% | Added |
| Trexquant Investment LP | 860,246 | $5.50M | 0.06% | +459,582+114.7% | Added |
| Rice Hall James & Associates, LLC | 828,789 | $5.30M | 0.31% | +274,587+49.5% | Added |
| Samjo Management, LLC | 813,600 | $5.20M | 2.20% | −61,050−7.0% | Reduced |
| Morgan Stanley | 790,110 | $5.05M | 0.00% | +14,779+1.9% | Added |
| MetLife Investment Management | 764,423 | $4.88M | 0.03% | +728,641+2,036.3% | Added |
| Renaissance Technologies LLC | 764,100 | $4.88M | 0.01% | −2,300−0.3% | Reduced |
| Royce & Associates LP | 706,278 | $4.51M | 0.05% | −240,345−25.4% | Reduced |
| Dendur Capital LP | 644,045 | $4.12M | 0.50% | −130,955−16.9% | Reduced |
| Squarepoint Ops LLC | 642,803 | $4.11M | 0.01% | +240,357+59.7% | Added |
| Penn Capital Management Co Inc | 642,094 | $4.11M | 0.40% | +642,094 | New |
| JPMorgan Chase & Co | 606,753 | $3.88M | 0.00% | +501,162+474.6% | Added |
| Northern Trust Corp | 604,194 | $3.86M | 0.00% | −36,856−5.7% | Reduced |
| Citadel Advisors LLC | 577,760 | $3.69M | 0.00% | −46,470−7.4% | Reduced |
| Ameriprise Financial Inc | 548,110 | $3.50M | 0.00% | +23,609+4.5% | Added |
| Frontier Capital Management Co LLC | 510,136 | $3.26M | 0.04% | −15,602−3.0% | Reduced |
| Algert Global LLC | 498,738 | $3.19M | 0.08% | +58,267+13.2% | Added |
| Charles Schwab Investment Management Inc | 487,731 | $3.12M | 0.00% | −61,978−11.3% | Reduced |
| Baird Financial Group, Inc. | 444,280 | $2.84M | 0.01% | +43,149+10.8% | Added |
| New York State Common Retirement Fund | 437,572 | $2.80M | 0.00% | +417,441+2,073.6% | Added |
| Qube Research & Technologies Ltd | 428,584 | $2.74M | 0.00% | −354,651−45.3% | Reduced |
| Palogic Value Management, L.P. | 425,000 | $2.72M | 1.20% | +295,000+226.9% | Added |
| UBS Group AG | 420,388 | $2.69M | 0.00% | −15,455−3.5% | Reduced |
| Sora Investors LLC | 413,078 | $2.64M | 0.32% | −74,167−15.2% | Reduced |
| Tudor Investment Corp Et Al | 401,667 | $2.57M | 0.02% | +300,188+295.8% | Added |
| BNP Paribas Arbitrage, SA | 388,956 | $2.49M | 0.00% | +253,372+186.9% | Added |
| Capital Fund Management S.A. | 380,149 | $2.43M | 0.03% | +228,745+151.1% | Added |
| Bank of America Corp | 364,991 | $2.33M | 0.00% | +245,118+204.5% | Added |
| CastleKnight Management LP | 355,399 | $2.27M | 0.24% | −90,200−20.2% | Reduced |
| Marshall Wace, LLP | 305,835 | $1.95M | 0.00% | +281,305+1,146.8% | Added |
| Allspring Global Investments Holdings, LLC | 299,311 | $1.90M | 0.00% | +146,794+96.2% | Added |
| Sargent Investment Group, LLC | 274,267 | $1.75M | 0.28% | −96,782−26.1% | Reduced |
| First Trust Advisors LP | 269,739 | $1.72M | 0.00% | −222,768−45.2% | Reduced |
| Deutsche Bank AG | 259,553 | $1.66M | 0.00% | −155,838−37.5% | Reduced |
| Essex Investment Management Co LLC | 232,740 | $1.49M | 0.31% | −15,503−6.2% | Reduced |
| State of Wisconsin Investment Board | 213,269 | $1.36M | 0.00% | −71,139−25.0% | Reduced |
| Susquehanna International Group, LLP | 212,904 | $1.36M | 0.00% | +45,695+27.3% | Added |
| Oppenheimer & Co Inc | 203,160 | $1.30M | 0.02% | +21,632+11.9% | Added |
| Bank of New York Mellon Corp | 188,566 | $1.20M | 0.00% | −1,318−0.7% | Reduced |
| Nuveen, LLC | 169,473 | $1.08M | 0.00% | +169,473 | New |
| Graham Capital Management, L.P. | 166,959 | $1.07M | 0.03% | +35,484+27.0% | Added |
| Balyasny Asset Management LLC | 156,748 | $1.00M | 0.00% | +156,748 | New |
| AQR Capital Management LLC | 150,186 | $959.7K | 0.00% | +150,186 | New |
| Hartree Partners, LP | 150,000 | $958.5K | 0.35% | +150,000 | New |
| Redwood Grove Capital, LLC | 147,705 | $943.8K | 0.34% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 144,234 | $921.7K | 0.01% | −1,248,979−89.6% | Reduced |
| LMR Partners LLP | 141,785 | $906.0K | 0.02% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 138,422 | $884.5K | 0.00% | −449,973−76.5% | Reduced |
| Swiss National Bank | 135,200 | $863.9K | 0.00% | +6,400+5.0% | Added |
| Alps Advisors Inc | 126,326 | $807.2K | 0.00% | +2,093+1.7% | Added |
| Dynamic Technology Lab Private Ltd | 125,156 | $800.0K | 0.12% | +59,685+91.2% | Added |
| Firsthand Capital Management, Inc. | 125,000 | $798.8K | 1.94% | +20,000+19.0% | Added |
| ExodusPoint Capital Management, LP | 124,357 | $795.0K | 0.01% | +124,357 | New |
| Prescott Group Capital Management, L.L.C. | 122,796 | $784.7K | 0.11% | −308,704−71.5% | Reduced |
| Wells Fargo & Company | 120,468 | $769.8K | 0.00% | −95,581−44.2% | Reduced |
| Russell Investments Group, Ltd. | 120,094 | $767.4K | 0.00% | +94,857+375.9% | Added |
| Bryce Point Capital, LLC | 97,059 | $749.0K | 0.56% | −23,114−19.2% | Reduced |
| AMH Equity Ltd | 110,000 | $702.9K | 1.09% | +110,000 | New |
| Campbell & CO Investment Adviser LLC | 109,728 | $701.2K | 0.05% | +49,079+80.9% | Added |
| Janney Montgomery Scott LLC | 106,613 | $681.0K | 0.00% | +106,613 | New |
| Voloridge Investment Management, LLC | 92,312 | $589.9K | 0.00% | −167,715−64.5% | Reduced |
| Rhumbline Advisers | 90,965 | $581.3K | 0.00% | −2,079−2.2% | Reduced |
| Barclays PLC | 83,774 | $535.3K | 0.00% | −23,990−22.3% | Reduced |
| Maven Securities LTD | 80,421 | $513.9K | 0.11% | +50,421+168.1% | Added |
| Qsemble Capital Management, LP | 78,133 | $499.3K | 0.05% | +34,102+77.4% | Added |
| HRT Financial LP | 77,499 | $495.0K | 0.00% | −4,203−5.1% | Reduced |
| Citigroup Inc | 76,224 | $487.1K | 0.00% | −11,335−12.9% | Reduced |
| Invesco Ltd. | 72,631 | $464.1K | 0.00% | +21,760+42.8% | Added |
| Bridgewater Advisors Inc. | 82,399 | $445.0K | 0.04% | +47+0.1% | Added |
| Schonfeld Strategic Advisors LLC | 67,827 | $433.4K | 0.00% | −70,873−51.1% | Reduced |
| SG Americas Securities, LLC | 67,394 | $431.0K | 0.00% | +67,394 | New |
| Price T Rowe Associates Inc | 66,375 | $425.0K | 0.00% | +23,924+56.4% | Added |
| Two Sigma Advisers, LP | 65,200 | $416.6K | 0.00% | +4,200+6.9% | Added |
| EntryPoint Capital, LLC | 64,810 | $414.1K | 0.19% | +35,999+124.9% | Added |
| Legal & General Group Plc | 64,806 | $414.1K | 0.00% | +1,268+2.0% | Added |
| Promethium Advisors,llc | 63,320 | $404.6K | 0.26% | +16,440+35.1% | Added |
| Spears Abacus Advisors LLC | 62,505 | $399.4K | 0.01% | −425−0.7% | Reduced |
| Centiva Capital, LP | 61,801 | $394.9K | 0.02% | +61,801 | New |
| California State Teachers Retirement System | 61,045 | $390.1K | 0.00% | 00.0% | Unchanged |
| Keebeck Alpha, LP | 58,545 | $374.1K | 0.44% | +34,538+143.9% | Added |
| Nebula Research & Development LLC | 57,816 | $369.4K | 0.03% | +11,029+23.6% | Added |
| Royal Bank of Canada | 56,419 | $360.0K | 0.00% | +25,880+84.7% | Added |
| Thrivent Financial for Lutherans | 55,719 | $356.0K | 0.00% | +55,719 | New |
| Envestnet Asset Management Inc | 55,511 | $354.7K | 0.00% | +8,249+17.5% | Added |
| Skylands Capital, LLC | 54,800 | $350.2K | 0.05% | +54,800 | New |
| Alliancebernstein L.P. | 52,130 | $333.1K | 0.00% | −5,480−9.5% | Reduced |