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 |
|---|---|---|---|---|---|
| Intech Investment Management LLC | 21,535 | $136.5K | 0.00% | +2,955+15.9% | Added |
| Canada Pension Plan Investment Board | 20,700 | $131.2K | 0.00% | −3,100−13.0% | Reduced |
| Captrust Financial Advisors | 19,187 | $121.6K | 0.00% | +19,187 | New |
| Quadrature Capital Ltd | 19,169 | $121.5K | 0.00% | +19,169 | New |
| Manufacturers Life Insurance Company, The | 19,056 | $120.8K | 0.00% | +758+4.1% | Added |
| WJ Financial Advisors LLC | 17,400 | $110.3K | 0.08% | −46,545−72.8% | Reduced |
| Bank of Montreal | 17,300 | $109.7K | 0.00% | +1,897+12.3% | Added |
| Barclays PLC | 16,955 | $107.5K | 0.00% | −1,492−8.1% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 16,663 | $105.6K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 16,460 | $104.4K | 0.00% | −43,292−72.5% | Reduced |
| Aquatic Capital Management LLC | 16,403 | $104.0K | 0.00% | +13,306+429.6% | Added |
| New York State Common Retirement Fund | 16,231 | $102.9K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 15,952 | $101.1K | 0.00% | +13,578+571.9% | Added |
| Legato Capital Management LLC | 15,562 | $98.7K | 0.01% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 14,618 | $92.7K | 0.00% | 00.0% | Unchanged |
| Keebeck Alpha, LP | 13,949 | $88.4K | 0.18% | +13,949 | New |
| Prelude Capital Management, LLC | 13,911 | $88.2K | 0.01% | +13,911 | New |
| Equitable Holdings, Inc. | 13,830 | $87.7K | 0.00% | +13,830 | New |
| Voya Investment Management LLC | 13,769 | $87.3K | 0.00% | +2,156+18.6% | Added |
| HSBC Holdings PLC | 13,846 | $86.4K | 0.00% | −91,136−86.8% | Reduced |
| Brighton Jones LLC | 12,792 | $81.1K | 0.00% | +12,792 | New |
| R Squared Ltd | 11,957 | $75.8K | 0.04% | +11,957 | New |
| Pallas Capital Advisors LLC | 10,900 | $69.1K | 0.00% | +10,900 | New |
| Quantinno Capital Management LP | 10,334 | $65.5K | 0.00% | +10,334 | New |
| Choate Investment Advisors | 10,000 | $63.4K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 9,588 | $60.8K | 0.00% | −10,021−51.1% | Reduced |
| Point72 Asset Management, L.P. | 9,006 | $57.1K | 0.00% | −247,608−96.5% | Reduced |
| Legal & General Group Plc | 6,915 | $43.9K | 0.00% | +880+14.6% | Added |
| Strategic Investment Solutions, Inc. | 6,010 | $38.1K | 0.01% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 5,708 | $36.2K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 5,561 | $35.3K | 0.00% | −3,336−37.5% | Reduced |
| Tower Research Capital LLC (TRC) | 5,471 | $34.7K | 0.00% | +2,115+63.0% | Added |
| Caitong International Asset Management Co., Ltd | 4,467 | $28.3K | 0.00% | +4,144+1,283.0% | Added |
| First PREMIER Bank | 4,000 | $25.0K | 0.00% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 3,385 | $21.0K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 3,170 | $20.1K | 0.00% | −1,037−24.6% | Reduced |
| Royal Bank of Canada | 3,159 | $20.0K | 0.00% | −5,364−62.9% | Reduced |
| Allworth Financial LP | 3,133 | $19.9K | 0.00% | +2,018+181.0% | Added |
| EverSource Wealth Advisors, LLC | 2,407 | $15.3K | 0.00% | +943+64.4% | Added |
| Bokf, NA | 2,000 | $12.7K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 1,646 | $10.4K | 0.00% | +1,446+723.0% | Added |
| Essential Partners LLC | 1,629 | $10.3K | 0.00% | −5,093−75.8% | Reduced |
| SBI Securities Co., Ltd. | 1,521 | $9.64K | 0.00% | −2,839−65.1% | Reduced |
| US Bancorp | 1,433 | $9.09K | 0.00% | +743+107.7% | Added |
| Covestor Ltd | 1,523 | $9.00K | 0.01% | −946−38.3% | Reduced |
| Sterling Capital Management LLC | 1,369 | $8.68K | 0.00% | −826−37.6% | Reduced |
| Jones Financial Companies LLLP | 1,500 | $8.45K | 0.00% | −120−7.4% | Reduced |
| GGM Financials LLC | 1,010 | $6.40K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 929 | $5.89K | 0.00% | −2,659−74.1% | Reduced |
| Larson Financial Group LLC | 904 | $5.73K | 0.00% | 00.0% | Unchanged |
| PlanVest Financial, Inc | 886 | $5.62K | 0.00% | 00.0% | Unchanged |
| Stance Capital LLC | 811 | $5.14K | 0.00% | 00.0% | Unchanged |
| Performa Ltd (US), LLC | 800 | $5.07K | 0.00% | +800 | New |
| Cornerstone Planning Group LLC | 750 | $3.98K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 574 | $3.64K | 0.00% | +299+108.7% | Added |
| GAMMA Investing LLC | 519 | $3.29K | 0.00% | 00.0% | Unchanged |
| Stone House Investment Management, LLC | 405 | $2.57K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 325 | $2.06K | 0.00% | −125−27.8% | Reduced |
| Minot DeBlois Advisors LLC | 300 | $1.90K | 0.00% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 250 | $1.58K | 0.00% | 00.0% | Unchanged |
| Basecamp Wealth Advisors LLC | 225 | $1.43K | 0.00% | +135+150.0% | Added |
| SJS Investment Consulting Inc. | 188 | $1.19K | 0.00% | +188 | New |
| The PNC Financial Services Group, Inc. | 185 | $1.17K | 0.00% | +7+3.9% | Added |
| Morse Asset Management, Inc | 175 | $1.11K | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 160 | $1.01K | 0.00% | +160 | New |
| Strategic Wealth Partners, Ltd. | 156 | $989 | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 126 | $799 | 0.00% | +126 | New |
| Farther Finance Advisors, LLC | 100 | $624 | 0.00% | +39+63.9% | Added |
| Smartleaf Asset Management LLC | 85 | $508 | 0.00% | 00.0% | Unchanged |
| Wealth Enhancement Trust Services, Inc. | 58 | $368 | 0.00% | +58 | New |
| Pinnacle Wealth Planning Services, Inc. | 51 | $323 | 0.00% | −6−10.5% | Reduced |
| Colonial Trust Advisors | 50 | $317 | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 28 | $175 | 0.00% | −28−50.0% | Reduced |
| Asset Planning,Inc | 25 | $159 | 0.00% | 00.0% | Unchanged |
| JPL Wealth Management, LLC | 23 | $146 | 0.00% | +23 | New |
| True Wealth Design, LLC | 14 | $89 | 0.00% | −6−30.0% | Reduced |
| TD Waterhouse Canada Inc. | 15 | $89 | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 4 | $25 | 0.00% | 00.0% | Unchanged |
| Silver Grove Financial Group, Inc. | 4 | $25 | 0.00% | +4 | New |
| HRT Financial LP | 0 | $0 | 0.00% | −870,435−100.0% | Sold out |
| Samjo Management, LLC | 0 | $0 | 0.00% | −645,625−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −187,860−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −148,159−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −141,745−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −124,353−100.0% | Sold out |
| Numerai GP LLC | 0 | $0 | 0.00% | −95,900−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −26,624−100.0% | Sold out |
| IMC-Chicago, LLC | 0 | $0 | 0.00% | −22,470−100.0% | Sold out |
| RSM US Wealth Management LLC | 0 | $0 | 0.00% | −17,250−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −11,619−100.0% | Sold out |
| Aptus Capital Advisors, LLC | 0 | $0 | 0.00% | −10,537−100.0% | Sold out |
| Clarus Group, Inc. | 0 | $0 | 0.00% | −10,504−100.0% | Sold out |
| Spears Abacus Advisors LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −4,843−100.0% | Sold out |
| Banque Cantonale Vaudoise | 0 | $0 | 0.00% | −4,154−100.0% | Sold out |
| Gunpowder Capital Management, LLC dba Oliver Wealth Management | 0 | $0 | 0.00% | −3,863−100.0% | Sold out |
| Rachor Investment Advisory Services, LLC | 0 | $0 | 0.00% | −1,177−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Wealth Preservation Advisors, LLC | 0 | $0 | 0.00% | −127−100.0% | Sold out |
| Parkside Financial Bank & Trust | 0 | $0 | 0.00% | −80−100.0% | Sold out |