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 2026
Institutional positions in Aspen Aerogels Inc as of Jun 30, 2026. 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
- 179
- +15 vs. Q1 2026
- Shares held
- 73.4M
- +4.14M (+6.0%) vs. Q1 2026
- Total value
- $464.9M
- +$228.2M (+96.4%) vs. Q1 2026
- New holders
- 37
- 61 more added
- Sold out
- 22
- 46 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Aspen Aerogels Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Harbour Investments, Inc. | 4 | $25 | 0.00% | 00.0% | Unchanged |
| Silver Grove Financial Group, Inc. | 4 | $25 | 0.00% | +4 | New |
| True Wealth Design, LLC | 14 | $89 | 0.00% | −6−30.0% | Reduced |
| TD Waterhouse Canada Inc. | 15 | $89 | 0.00% | 00.0% | Unchanged |
| JPL Wealth Management, LLC | 23 | $146 | 0.00% | +23 | New |
| Asset Planning,Inc | 25 | $159 | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 28 | $175 | 0.00% | −28−50.0% | Reduced |
| Colonial Trust Advisors | 50 | $317 | 0.00% | 00.0% | Unchanged |
| Pinnacle Wealth Planning Services, Inc. | 51 | $323 | 0.00% | −6−10.5% | Reduced |
| Wealth Enhancement Trust Services, Inc. | 58 | $368 | 0.00% | +58 | New |
| Smartleaf Asset Management LLC | 85 | $508 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 100 | $624 | 0.00% | +39+63.9% | Added |
| Fortitude Family Office, LLC | 126 | $799 | 0.00% | +126 | New |
| Strategic Wealth Partners, Ltd. | 156 | $989 | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 160 | $1.01K | 0.00% | +160 | New |
| Morse Asset Management, Inc | 175 | $1.11K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 185 | $1.17K | 0.00% | +7+3.9% | Added |
| SJS Investment Consulting Inc. | 188 | $1.19K | 0.00% | +188 | New |
| Basecamp Wealth Advisors LLC | 225 | $1.43K | 0.00% | +135+150.0% | Added |
| HighMark Wealth Management LLC | 250 | $1.58K | 0.00% | 00.0% | Unchanged |
| Minot DeBlois Advisors LLC | 300 | $1.90K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 325 | $2.06K | 0.00% | −125−27.8% | Reduced |
| Stone House Investment Management, LLC | 405 | $2.57K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 519 | $3.29K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 574 | $3.64K | 0.00% | +299+108.7% | Added |
| Cornerstone Planning Group LLC | 750 | $3.98K | 0.00% | 00.0% | Unchanged |
| Performa Ltd (US), LLC | 800 | $5.07K | 0.00% | +800 | New |
| Stance Capital LLC | 811 | $5.14K | 0.00% | 00.0% | Unchanged |
| PlanVest Financial, Inc | 886 | $5.62K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 904 | $5.73K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 929 | $5.89K | 0.00% | −2,659−74.1% | Reduced |
| GGM Financials LLC | 1,010 | $6.40K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 1,500 | $8.45K | 0.00% | −120−7.4% | Reduced |
| Sterling Capital Management LLC | 1,369 | $8.68K | 0.00% | −826−37.6% | Reduced |
| Covestor Ltd | 1,523 | $9.00K | 0.01% | −946−38.3% | Reduced |
| US Bancorp | 1,433 | $9.09K | 0.00% | +743+107.7% | Added |
| SBI Securities Co., Ltd. | 1,521 | $9.64K | 0.00% | −2,839−65.1% | Reduced |
| Essential Partners LLC | 1,629 | $10.3K | 0.00% | −5,093−75.8% | Reduced |
| Rockefeller Capital Management L.P. | 1,646 | $10.4K | 0.00% | +1,446+723.0% | Added |
| Bokf, NA | 2,000 | $12.7K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 2,407 | $15.3K | 0.00% | +943+64.4% | Added |
| Allworth Financial LP | 3,133 | $19.9K | 0.00% | +2,018+181.0% | Added |
| Royal Bank of Canada | 3,159 | $20.0K | 0.00% | −5,364−62.9% | Reduced |
| Optiver Holding B.V. | 3,170 | $20.1K | 0.00% | −1,037−24.6% | Reduced |
| State of Alaska, Department of Revenue | 3,385 | $21.0K | 0.00% | 00.0% | Unchanged |
| First PREMIER Bank | 4,000 | $25.0K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 4,467 | $28.3K | 0.00% | +4,144+1,283.0% | Added |
| Tower Research Capital LLC (TRC) | 5,471 | $34.7K | 0.00% | +2,115+63.0% | Added |
| IFP Advisors, Inc | 5,561 | $35.3K | 0.00% | −3,336−37.5% | Reduced |
| Ameritas Investment Partners, Inc. | 5,708 | $36.2K | 0.00% | 00.0% | Unchanged |
| Strategic Investment Solutions, Inc. | 6,010 | $38.1K | 0.01% | 00.0% | Unchanged |
| Legal & General Group Plc | 6,915 | $43.9K | 0.00% | +880+14.6% | Added |
| Point72 Asset Management, L.P. | 9,006 | $57.1K | 0.00% | −247,608−96.5% | Reduced |
| Advisor Group Holdings, Inc. | 9,588 | $60.8K | 0.00% | −10,021−51.1% | Reduced |
| Choate Investment Advisors | 10,000 | $63.4K | 0.00% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 10,334 | $65.5K | 0.00% | +10,334 | New |
| Pallas Capital Advisors LLC | 10,900 | $69.1K | 0.00% | +10,900 | New |
| R Squared Ltd | 11,957 | $75.8K | 0.04% | +11,957 | New |
| Brighton Jones LLC | 12,792 | $81.1K | 0.00% | +12,792 | New |
| HSBC Holdings PLC | 13,846 | $86.4K | 0.00% | −91,136−86.8% | Reduced |
| Voya Investment Management LLC | 13,769 | $87.3K | 0.00% | +2,156+18.6% | Added |
| Equitable Holdings, Inc. | 13,830 | $87.7K | 0.00% | +13,830 | New |
| Prelude Capital Management, LLC | 13,911 | $88.2K | 0.01% | +13,911 | New |
| Keebeck Alpha, LP | 13,949 | $88.4K | 0.18% | +13,949 | New |
| State Board of Administration of Florida Retirement System | 14,618 | $92.7K | 0.00% | 00.0% | Unchanged |
| Legato Capital Management LLC | 15,562 | $98.7K | 0.01% | 00.0% | Unchanged |
| Simplex Trading, LLC | 15,952 | $101.1K | 0.00% | +13,578+571.9% | Added |
| New York State Common Retirement Fund | 16,231 | $102.9K | 0.00% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 16,403 | $104.0K | 0.00% | +13,306+429.6% | Added |
| Squarepoint Ops LLC | 16,460 | $104.4K | 0.00% | −43,292−72.5% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 16,663 | $105.6K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 16,955 | $107.5K | 0.00% | −1,492−8.1% | Reduced |
| Bank of Montreal | 17,300 | $109.7K | 0.00% | +1,897+12.3% | Added |
| WJ Financial Advisors LLC | 17,400 | $110.3K | 0.08% | −46,545−72.8% | Reduced |
| Manufacturers Life Insurance Company, The | 19,056 | $120.8K | 0.00% | +758+4.1% | Added |
| Quadrature Capital Ltd | 19,169 | $121.5K | 0.00% | +19,169 | New |
| Captrust Financial Advisors | 19,187 | $121.6K | 0.00% | +19,187 | New |
| Canada Pension Plan Investment Board | 20,700 | $131.2K | 0.00% | −3,100−13.0% | Reduced |
| Intech Investment Management LLC | 21,535 | $136.5K | 0.00% | +2,955+15.9% | Added |
| Wealth Enhancement Advisory Services, LLC | 30,386 | $156.8K | 0.00% | +19,360+175.6% | Added |
| nVerses Capital, LLC | 25,234 | $160.0K | 0.25% | −15,312−37.8% | Reduced |
| Headlands Technologies LLC | 27,413 | $173.8K | 0.02% | +27,413 | New |
| Cerity Partners LLC | 28,365 | $179.8K | 0.00% | +18,214+179.4% | Added |
| Vanguard Global Advisers, LLC | 28,581 | $181.2K | 0.00% | 00.0% | Unchanged |
| Bailard, Inc. | 29,508 | $187.1K | 0.00% | +29,508 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 31,271 | $198.3K | 0.00% | −276−0.9% | Reduced |
| Creative Planning | 31,432 | $199.3K | 0.00% | +31,432 | New |
| Concurrent Investment Advisors, LLC | 32,050 | $203.2K | 0.00% | +2,000+6.7% | Added |
| Diversified Trust Co | 33,047 | $209.5K | 0.00% | +33,047 | New |
| State of Wisconsin Investment Board | 33,247 | $210.8K | 0.00% | −69,429−67.6% | Reduced |
| SG Americas Securities, LLC | 34,349 | $218.0K | 0.00% | +34,349 | New |
| Dynamic Technology Lab Private Ltd | 35,103 | $223.0K | 0.05% | −86,591−71.2% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 36,820 | $233.4K | 0.00% | +36,820 | New |
| Fox Run Management, L.L.C. | 37,919 | $240.4K | 0.04% | +37,919 | New |
| State of Wyoming | 38,000 | $240.9K | 0.02% | +38,000 | New |
| Mercer Global Advisors Inc | 38,679 | $245.2K | 0.00% | +38,679 | New |
| Alliancebernstein L.P. | 74,130 | $253.5K | 0.00% | +10,040+15.7% | Added |
| MetLife Investment Management | 40,269 | $255.3K | 0.00% | +25,151+166.4% | Added |
| Odyssean, LLC | 41,759 | $264.8K | 0.04% | 00.0% | Unchanged |
| Mariner, LLC | 42,652 | $270.4K | 0.00% | +42,652 | New |