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 |
|---|---|---|---|---|---|
| Kim, LLC | 12,280,426 | $72.7M | 7.55% | 00.0% | Unchanged |
| BlackRock, Inc. | 4,977,186 | $29.5M | 0.00% | +17,014+0.3% | Added |
| Vanguard Group Inc | 4,487,684 | $26.6M | 0.00% | +114,525+2.6% | Added |
| Oaktop Capital Management II, L.P. | 4,394,525 | $26.0M | 2.80% | 00.0% | Unchanged |
| George Kaiser Family Foundation | 3,167,322 | $18.8M | 2.70% | 00.0% | Unchanged |
| Needham Investment Management LLC | 3,014,200 | $17.8M | 1.42% | +277,000+10.1% | Added |
| Dimensional Fund Advisors LP | 2,449,103 | $14.5M | 0.00% | −58,481−2.3% | Reduced |
| Goldman Sachs Group Inc | 2,201,900 | $13.0M | 0.00% | +927,544+72.8% | Added |
| State Street Corp | 1,920,997 | $11.4M | 0.00% | +426,760+28.6% | Added |
| Gagnon Securities LLC | 1,899,108 | $11.2M | 2.28% | +1,899,108 | New |
| Telemark Asset Management, LLC | 1,792,424 | $10.6M | 1.13% | −100,000−5.3% | Reduced |
| Federated Hermes, Inc. | 1,766,733 | $10.5M | 0.02% | +1,766,733 | New |
| Geode Capital Management, LLC | 1,582,742 | $9.37M | 0.00% | +66,967+4.4% | Added |
| Rice Hall James & Associates, LLC | 1,544,415 | $9.14M | 0.49% | +715,626+86.3% | Added |
| AWM Investment Company, Inc. | 1,435,477 | $8.50M | 0.95% | −1,013,744−41.4% | Reduced |
| JPMorgan Chase & Co | 1,246,506 | $7.38M | 0.00% | +639,753+105.4% | Added |
| Millennium Management LLC | 906,745 | $5.37M | 0.00% | −692,647−43.3% | Reduced |
| Invesco Ltd. | 831,991 | $4.93M | 0.00% | +759,360+1,045.5% | Added |
| Bank of America Corp | 818,212 | $4.84M | 0.00% | +453,221+124.2% | Added |
| Two Sigma Investments, LP | 771,307 | $4.57M | 0.01% | −130,177−14.4% | Reduced |
| Penn Capital Management Co Inc | 745,877 | $4.42M | 0.38% | +103,783+16.2% | Added |
| Morgan Stanley | 705,999 | $4.18M | 0.00% | −84,111−10.6% | Reduced |
| Renaissance Technologies LLC | 679,200 | $4.02M | 0.01% | −84,900−11.1% | Reduced |
| Trexquant Investment LP | 649,038 | $3.84M | 0.04% | −211,208−24.6% | Reduced |
| Palogic Value Management, L.P. | 610,000 | $3.61M | 1.52% | +185,000+43.5% | Added |
| Northern Trust Corp | 603,660 | $3.57M | 0.00% | −534−0.1% | Reduced |
| HRT Financial LP | 595,742 | $3.53M | 0.02% | +518,243+668.7% | Added |
| Gagnon Advisors, LLC | 565,570 | $3.35M | 2.25% | +565,570 | New |
| Charles Schwab Investment Management Inc | 545,843 | $3.23M | 0.00% | +58,112+11.9% | Added |
| Royce & Associates LP | 531,068 | $3.14M | 0.03% | −175,210−24.8% | Reduced |
| Frontier Capital Management Co LLC | 508,651 | $3.01M | 0.03% | −1,485−0.3% | Reduced |
| New York State Common Retirement Fund | 494,462 | $2.93M | 0.00% | +56,890+13.0% | Added |
| Essex Investment Management Co LLC | 426,528 | $2.53M | 0.46% | +193,788+83.3% | Added |
| BNP Paribas Arbitrage, SA | 411,066 | $2.43M | 0.00% | +22,110+5.7% | Added |
| Marshall Wace, LLP | 404,006 | $2.39M | 0.00% | +98,171+32.1% | Added |
| Baird Financial Group, Inc. | 399,740 | $2.37M | 0.00% | −44,540−10.0% | Reduced |
| Royal Bank of Canada | 378,516 | $2.24M | 0.00% | +322,097+570.9% | Added |
| CastleKnight Management LP | 355,399 | $2.10M | 0.14% | 00.0% | Unchanged |
| Samjo Management, LLC | 343,625 | $2.03M | 0.86% | −469,975−57.8% | Reduced |
| Citigroup Inc | 302,817 | $1.79M | 0.00% | +226,593+297.3% | Added |
| Sargent Investment Group, LLC | 205,697 | $1.69M | 0.23% | −68,570−25.0% | Reduced |
| State of Wisconsin Investment Board | 282,623 | $1.67M | 0.00% | +69,354+32.5% | Added |
| Susquehanna International Group, LLP | 278,987 | $1.65M | 0.00% | +66,083+31.0% | Added |
| UBS Group AG | 272,829 | $1.62M | 0.00% | −147,559−35.1% | Reduced |
| Qube Research & Technologies Ltd | 255,594 | $1.51M | 0.00% | −172,990−40.4% | Reduced |
| Voleon Capital Management LP | 248,839 | $1.47M | 0.08% | +204,779+464.8% | Added |
| Deutsche Bank AG | 215,018 | $1.27M | 0.00% | −44,535−17.2% | Reduced |
| First Trust Advisors LP | 205,563 | $1.22M | 0.00% | −64,176−23.8% | Reduced |
| Bank of New York Mellon Corp | 200,990 | $1.19M | 0.00% | +12,424+6.6% | Added |
| Algert Global LLC | 190,325 | $1.13M | 0.02% | −308,413−61.8% | Reduced |
| AQR Capital Management LLC | 189,831 | $1.12M | 0.00% | +39,645+26.4% | Added |
| UBS Asset Management Americas Inc | 183,309 | $1.09M | 0.00% | +44,887+32.4% | Added |
| FMR LLC | 169,208 | $1.00M | 0.00% | −1,047,932−86.1% | Reduced |
| Principal Financial Group Inc | 166,868 | $987.9K | 0.00% | +166,868 | New |
| Citadel Advisors LLC | 163,032 | $965.1K | 0.00% | −414,728−71.8% | Reduced |
| Hartree Partners, LP | 150,000 | $888.0K | 0.25% | 00.0% | Unchanged |
| LMR Partners LLP | 141,785 | $839.4K | 0.01% | 00.0% | Unchanged |
| Alps Advisors Inc | 139,162 | $823.8K | 0.00% | +12,836+10.2% | Added |
| Swiss National Bank | 135,200 | $800.4K | 0.00% | 00.0% | Unchanged |
| Nuveen, LLC | 133,867 | $792.5K | 0.00% | −35,606−21.0% | Reduced |
| SG Americas Securities, LLC | 133,821 | $792.0K | 0.00% | +66,427+98.6% | Added |
| Barclays PLC | 129,867 | $768.8K | 0.00% | +46,093+55.0% | Added |
| Firsthand Capital Management, Inc. | 125,000 | $740.0K | 1.33% | 00.0% | Unchanged |
| Ironwood Investment Management LLC | 124,324 | $736.0K | 0.36% | +124,324 | New |
| Jump Financial, LLC | 116,400 | $689.1K | 0.01% | +116,400 | New |
| Rhumbline Advisers | 113,506 | $671.9K | 0.00% | +22,541+24.8% | Added |
| EntryPoint Capital, LLC | 105,779 | $626.2K | 0.31% | +40,969+63.2% | Added |
| Caxton Associates LLP | 103,172 | $610.8K | 0.02% | +55,167+114.9% | Added |
| Cubist Systematic Strategies, LLC | 95,758 | $566.9K | 0.01% | −48,476−33.6% | Reduced |
| Verition Fund Management LLC | 95,131 | $563.2K | 0.00% | +69,427+270.1% | Added |
| Legato Capital Management LLC | 93,615 | $554.2K | 0.07% | +53,337+132.4% | Added |
| IMC-Chicago, LLC | 87,181 | $516.1K | 0.01% | +40,041+84.9% | Added |
| Alliancebernstein L.P. | 87,040 | $515.3K | 0.00% | +34,910+67.0% | Added |
| Jane Street Group, LLC | 84,880 | $502.5K | 0.00% | +70,725+499.6% | Added |
| Y-Intercept (Hong Kong) Ltd | 81,684 | $483.6K | 0.01% | +81,684 | New |
| Janney Montgomery Scott LLC | 81,082 | $480.0K | 0.00% | −25,531−23.9% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 79,178 | $468.7K | 0.00% | +47,144+147.2% | Added |
| Voloridge Investment Management, LLC | 78,851 | $466.8K | 0.00% | −13,461−14.6% | Reduced |
| Russell Investments Group, Ltd. | 76,950 | $455.5K | 0.00% | −43,144−35.9% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 72,428 | $428.8K | 0.00% | +40,654+127.9% | Added |
| Price T Rowe Associates Inc | 70,877 | $420.0K | 0.00% | +4,502+6.8% | Added |
| Capital Fund Management S.A. | 70,048 | $414.7K | 0.00% | −310,101−81.6% | Reduced |
| Squarepoint Ops LLC | 68,167 | $403.5K | 0.00% | −574,636−89.4% | Reduced |
| Legal & General Group Plc | 67,130 | $397.4K | 0.00% | +2,324+3.6% | Added |
| Envestnet Asset Management Inc | 66,910 | $396.1K | 0.00% | +11,399+20.5% | Added |
| Balyasny Asset Management LLC | 59,099 | $349.9K | 0.00% | −97,649−62.3% | Reduced |
| California State Teachers Retirement System | 56,519 | $334.6K | 0.00% | −4,526−7.4% | Reduced |
| ARS Investment Partners, LLC | 56,507 | $334.5K | 0.02% | +32,166+132.1% | Added |
| Thrivent Financial for Lutherans | 55,719 | $330.0K | 0.00% | 00.0% | Unchanged |
| Skylands Capital, LLC | 54,800 | $324.4K | 0.05% | 00.0% | Unchanged |
| Wells Fargo & Company | 51,357 | $304.0K | 0.00% | −69,111−57.4% | Reduced |
| MetLife Investment Management | 44,577 | $263.9K | 0.00% | −719,846−94.2% | Reduced |
| LPL Financial LLC | 43,784 | $259.2K | 0.00% | +12,341+39.2% | Added |
| Caption Management, LLC | 43,700 | $258.7K | 0.02% | +43,700 | New |
| Franklin Resources Inc | 40,413 | $239.2K | 0.00% | +50.0% | Added |
| Sanders Morris Harris LLC | 40,000 | $236.8K | 0.06% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 39,900 | $236.2K | 0.00% | −25,300−38.8% | Reduced |
| Intech Investment Management LLC | 38,723 | $229.2K | 0.00% | +48+0.1% | Added |
| Perigon Wealth Management, LLC | 37,866 | $224.2K | 0.01% | +4,270+12.7% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 35,608 | $210.8K | 0.00% | −992−2.7% | Reduced |