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 |
|---|---|---|---|---|---|
| Capital Fund Management S.A. | 70,048 | $414.7K | 0.00% | −310,101−81.6% | Reduced |
| Price T Rowe Associates Inc | 70,877 | $420.0K | 0.00% | +4,502+6.8% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 72,428 | $428.8K | 0.00% | +40,654+127.9% | Added |
| Russell Investments Group, Ltd. | 76,950 | $455.5K | 0.00% | −43,144−35.9% | Reduced |
| Voloridge Investment Management, LLC | 78,851 | $466.8K | 0.00% | −13,461−14.6% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 79,178 | $468.7K | 0.00% | +47,144+147.2% | Added |
| Janney Montgomery Scott LLC | 81,082 | $480.0K | 0.00% | −25,531−23.9% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 81,684 | $483.6K | 0.01% | +81,684 | New |
| Jane Street Group, LLC | 84,880 | $502.5K | 0.00% | +70,725+499.6% | Added |
| Alliancebernstein L.P. | 87,040 | $515.3K | 0.00% | +34,910+67.0% | Added |
| IMC-Chicago, LLC | 87,181 | $516.1K | 0.01% | +40,041+84.9% | Added |
| Legato Capital Management LLC | 93,615 | $554.2K | 0.07% | +53,337+132.4% | Added |
| Verition Fund Management LLC | 95,131 | $563.2K | 0.00% | +69,427+270.1% | Added |
| Cubist Systematic Strategies, LLC | 95,758 | $566.9K | 0.01% | −48,476−33.6% | Reduced |
| Caxton Associates LLP | 103,172 | $610.8K | 0.02% | +55,167+114.9% | Added |
| EntryPoint Capital, LLC | 105,779 | $626.2K | 0.31% | +40,969+63.2% | Added |
| Rhumbline Advisers | 113,506 | $671.9K | 0.00% | +22,541+24.8% | Added |
| Jump Financial, LLC | 116,400 | $689.1K | 0.01% | +116,400 | New |
| Ironwood Investment Management LLC | 124,324 | $736.0K | 0.36% | +124,324 | New |
| Firsthand Capital Management, Inc. | 125,000 | $740.0K | 1.33% | 00.0% | Unchanged |
| Barclays PLC | 129,867 | $768.8K | 0.00% | +46,093+55.0% | Added |
| SG Americas Securities, LLC | 133,821 | $792.0K | 0.00% | +66,427+98.6% | Added |
| Nuveen, LLC | 133,867 | $792.5K | 0.00% | −35,606−21.0% | Reduced |
| Swiss National Bank | 135,200 | $800.4K | 0.00% | 00.0% | Unchanged |
| Alps Advisors Inc | 139,162 | $823.8K | 0.00% | +12,836+10.2% | Added |
| LMR Partners LLP | 141,785 | $839.4K | 0.01% | 00.0% | Unchanged |
| Hartree Partners, LP | 150,000 | $888.0K | 0.25% | 00.0% | Unchanged |
| Citadel Advisors LLC | 163,032 | $965.1K | 0.00% | −414,728−71.8% | Reduced |
| Principal Financial Group Inc | 166,868 | $987.9K | 0.00% | +166,868 | New |
| FMR LLC | 169,208 | $1.00M | 0.00% | −1,047,932−86.1% | Reduced |
| UBS Asset Management Americas Inc | 183,309 | $1.09M | 0.00% | +44,887+32.4% | Added |
| AQR Capital Management LLC | 189,831 | $1.12M | 0.00% | +39,645+26.4% | Added |
| Algert Global LLC | 190,325 | $1.13M | 0.02% | −308,413−61.8% | Reduced |
| Bank of New York Mellon Corp | 200,990 | $1.19M | 0.00% | +12,424+6.6% | Added |
| First Trust Advisors LP | 205,563 | $1.22M | 0.00% | −64,176−23.8% | Reduced |
| Deutsche Bank AG | 215,018 | $1.27M | 0.00% | −44,535−17.2% | Reduced |
| Voleon Capital Management LP | 248,839 | $1.47M | 0.08% | +204,779+464.8% | Added |
| Qube Research & Technologies Ltd | 255,594 | $1.51M | 0.00% | −172,990−40.4% | Reduced |
| UBS Group AG | 272,829 | $1.62M | 0.00% | −147,559−35.1% | Reduced |
| Susquehanna International Group, LLP | 278,987 | $1.65M | 0.00% | +66,083+31.0% | Added |
| State of Wisconsin Investment Board | 282,623 | $1.67M | 0.00% | +69,354+32.5% | Added |
| Sargent Investment Group, LLC | 205,697 | $1.69M | 0.23% | −68,570−25.0% | Reduced |
| Citigroup Inc | 302,817 | $1.79M | 0.00% | +226,593+297.3% | Added |
| Samjo Management, LLC | 343,625 | $2.03M | 0.86% | −469,975−57.8% | Reduced |
| CastleKnight Management LP | 355,399 | $2.10M | 0.14% | 00.0% | Unchanged |
| Royal Bank of Canada | 378,516 | $2.24M | 0.00% | +322,097+570.9% | Added |
| Baird Financial Group, Inc. | 399,740 | $2.37M | 0.00% | −44,540−10.0% | Reduced |
| Marshall Wace, LLP | 404,006 | $2.39M | 0.00% | +98,171+32.1% | Added |
| BNP Paribas Arbitrage, SA | 411,066 | $2.43M | 0.00% | +22,110+5.7% | Added |
| Essex Investment Management Co LLC | 426,528 | $2.53M | 0.46% | +193,788+83.3% | Added |
| New York State Common Retirement Fund | 494,462 | $2.93M | 0.00% | +56,890+13.0% | Added |
| Frontier Capital Management Co LLC | 508,651 | $3.01M | 0.03% | −1,485−0.3% | Reduced |
| Royce & Associates LP | 531,068 | $3.14M | 0.03% | −175,210−24.8% | Reduced |
| Charles Schwab Investment Management Inc | 545,843 | $3.23M | 0.00% | +58,112+11.9% | Added |
| Gagnon Advisors, LLC | 565,570 | $3.35M | 2.25% | +565,570 | New |
| HRT Financial LP | 595,742 | $3.53M | 0.02% | +518,243+668.7% | Added |
| Northern Trust Corp | 603,660 | $3.57M | 0.00% | −534−0.1% | Reduced |
| Palogic Value Management, L.P. | 610,000 | $3.61M | 1.52% | +185,000+43.5% | Added |
| Trexquant Investment LP | 649,038 | $3.84M | 0.04% | −211,208−24.6% | Reduced |
| Renaissance Technologies LLC | 679,200 | $4.02M | 0.01% | −84,900−11.1% | Reduced |
| Morgan Stanley | 705,999 | $4.18M | 0.00% | −84,111−10.6% | Reduced |
| Penn Capital Management Co Inc | 745,877 | $4.42M | 0.38% | +103,783+16.2% | Added |
| Two Sigma Investments, LP | 771,307 | $4.57M | 0.01% | −130,177−14.4% | Reduced |
| Bank of America Corp | 818,212 | $4.84M | 0.00% | +453,221+124.2% | Added |
| Invesco Ltd. | 831,991 | $4.93M | 0.00% | +759,360+1,045.5% | Added |
| Millennium Management LLC | 906,745 | $5.37M | 0.00% | −692,647−43.3% | Reduced |
| JPMorgan Chase & Co | 1,246,506 | $7.38M | 0.00% | +639,753+105.4% | Added |
| AWM Investment Company, Inc. | 1,435,477 | $8.50M | 0.95% | −1,013,744−41.4% | Reduced |
| Rice Hall James & Associates, LLC | 1,544,415 | $9.14M | 0.49% | +715,626+86.3% | Added |
| Geode Capital Management, LLC | 1,582,742 | $9.37M | 0.00% | +66,967+4.4% | Added |
| Federated Hermes, Inc. | 1,766,733 | $10.5M | 0.02% | +1,766,733 | New |
| Telemark Asset Management, LLC | 1,792,424 | $10.6M | 1.13% | −100,000−5.3% | Reduced |
| Gagnon Securities LLC | 1,899,108 | $11.2M | 2.28% | +1,899,108 | New |
| State Street Corp | 1,920,997 | $11.4M | 0.00% | +426,760+28.6% | Added |
| Goldman Sachs Group Inc | 2,201,900 | $13.0M | 0.00% | +927,544+72.8% | Added |
| Dimensional Fund Advisors LP | 2,449,103 | $14.5M | 0.00% | −58,481−2.3% | Reduced |
| Needham Investment Management LLC | 3,014,200 | $17.8M | 1.42% | +277,000+10.1% | Added |
| George Kaiser Family Foundation | 3,167,322 | $18.8M | 2.70% | 00.0% | Unchanged |
| Oaktop Capital Management II, L.P. | 4,394,525 | $26.0M | 2.80% | 00.0% | Unchanged |
| Vanguard Group Inc | 4,487,684 | $26.6M | 0.00% | +114,525+2.6% | Added |
| BlackRock, Inc. | 4,977,186 | $29.5M | 0.00% | +17,014+0.3% | Added |
| Kim, LLC | 12,280,426 | $72.7M | 7.55% | 00.0% | Unchanged |
| Dendur Capital LP | 0 | $0 | 0.00% | −644,045−100.0% | Sold out |
| Ameriprise Financial Inc | 0 | $0 | 0.00% | −548,110−100.0% | Sold out |
| Sora Investors LLC | 0 | $0 | 0.00% | −413,078−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −401,667−100.0% | Sold out |
| Redwood Grove Capital, LLC | 0 | $0 | 0.00% | −147,705−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −125,156−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −124,357−100.0% | Sold out |
| Prescott Group Capital Management, L.L.C. | 0 | $0 | 0.00% | −122,796−100.0% | Sold out |
| Bryce Point Capital, LLC | 0 | $0 | 0.00% | −97,059−100.0% | Sold out |
| AMH Equity Ltd | 0 | $0 | 0.00% | −110,000−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −109,728−100.0% | Sold out |
| Maven Securities LTD | 0 | $0 | 0.00% | −80,421−100.0% | Sold out |
| Qsemble Capital Management, LP | 0 | $0 | 0.00% | −78,133−100.0% | Sold out |
| Bridgewater Advisors Inc. | 0 | $0 | 0.00% | −82,399−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −67,827−100.0% | Sold out |
| Promethium Advisors,llc | 0 | $0 | 0.00% | −63,320−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −61,801−100.0% | Sold out |
| Keebeck Alpha, LP | 0 | $0 | 0.00% | −58,545−100.0% | Sold out |