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 2026
Institutional positions in Aspen Aerogels Inc as of Mar 31, 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
- 166
- −15 vs. Q4 2025
- Shares held
- 69.3M
- +3.89M (+5.9%) vs. Q4 2025
- Total value
- $236.7M
- +$51.0M (+27.5%) vs. Q4 2025
- New holders
- 34
- 44 more added
- Sold out
- 49
- 57 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Aspen Aerogels Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Harbour Investments, Inc. | 4 | $14 | 0.00% | +4 | New |
| TD Waterhouse Canada Inc. | 15 | $52 | 0.00% | +15 | New |
| True Wealth Design, LLC | 20 | $69 | 0.00% | +2+11.1% | Added |
| Asset Planning,Inc | 25 | $86 | 0.00% | 00.0% | Unchanged |
| Quaker Wealth Management, LLC | 33 | $113 | 0.00% | −8,439−99.6% | Reduced |
| Colonial Trust Advisors | 50 | $171 | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 56 | $190 | 0.00% | +56 | New |
| Pinnacle Wealth Planning Services, Inc. | 57 | $195 | 0.00% | +57 | New |
| Farther Finance Advisors, LLC | 61 | $212 | 0.00% | −19−23.8% | Reduced |
| Smartleaf Asset Management LLC | 85 | $269 | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 80 | $274 | 0.00% | 00.0% | Unchanged |
| Basecamp Wealth Advisors LLC | 90 | $308 | 0.00% | −18−16.7% | Reduced |
| Sunbelt Securities, Inc. | 119 | $407 | 0.00% | +56+88.9% | Added |
| Wealth Preservation Advisors, LLC | 127 | $434 | 0.00% | +127 | New |
| Strategic Wealth Partners, Ltd. | 156 | $534 | 0.00% | 00.0% | Unchanged |
| Morse Asset Management, Inc | 175 | $599 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 178 | $609 | 0.00% | +122+217.9% | Added |
| Rockefeller Capital Management L.P. | 200 | $684 | 0.00% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 250 | $855 | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 275 | $941 | 0.00% | +220+400.0% | Added |
| Minot DeBlois Advisors LLC | 300 | $1.03K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 323 | $1.10K | 0.00% | −10,263−96.9% | Reduced |
| Stone House Investment Management, LLC | 405 | $1.39K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 450 | $1.54K | 0.00% | +450 | New |
| GAMMA Investing LLC | 519 | $1.77K | 0.00% | −417−44.6% | Reduced |
| US Bancorp | 690 | $2.36K | 0.00% | −49−6.6% | Reduced |
| Stance Capital LLC | 811 | $2.77K | 0.00% | +811 | New |
| PlanVest Financial, Inc | 886 | $3.03K | 0.00% | +886 | New |
| Larson Financial Group LLC | 904 | $3.09K | 0.00% | −160−15.0% | Reduced |
| Cornerstone Planning Group LLC | 750 | $3.10K | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 1,000 | $3.42K | 0.00% | +800+400.0% | Added |
| GGM Financials LLC | 1,010 | $3.45K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 1,115 | $3.81K | 0.00% | +696+166.1% | Added |
| Rachor Investment Advisory Services, LLC | 1,177 | $4.03K | 0.00% | +487+70.6% | Added |
| EverSource Wealth Advisors, LLC | 1,464 | $5.01K | 0.00% | +1,464 | New |
| Jones Financial Companies LLLP | 1,620 | $5.35K | 0.00% | −125−7.2% | Reduced |
| Bokf, NA | 2,000 | $6.84K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 2,195 | $7.51K | 0.00% | −1,338−37.9% | Reduced |
| Covestor Ltd | 2,469 | $8.00K | 0.01% | +9+0.4% | Added |
| Simplex Trading, LLC | 2,374 | $8.12K | 0.00% | −2,458−50.9% | Reduced |
| Aquatic Capital Management LLC | 3,097 | $10.6K | 0.00% | +3,097 | New |
| State of Alaska, Department of Revenue | 3,385 | $11.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 3,356 | $11.5K | 0.00% | −1,377−29.1% | Reduced |
| California State Teachers Retirement System | 3,588 | $12.3K | 0.00% | −74,866−95.4% | Reduced |
| Gunpowder Capital Management, LLC dba Oliver Wealth Management | 3,863 | $13.2K | 0.01% | 00.0% | Unchanged |
| Banque Cantonale Vaudoise | 4,154 | $14.0K | 0.00% | −2,204−34.7% | Reduced |
| First PREMIER Bank | 4,000 | $14.0K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 4,207 | $14.4K | 0.00% | −1,839−30.4% | Reduced |
| SBI Securities Co., Ltd. | 4,360 | $14.8K | 0.00% | −3,311−43.2% | Reduced |
| FMR LLC | 4,479 | $15.3K | 0.00% | −1,290−22.4% | Reduced |
| Quantbot Technologies LP | 4,523 | $15.5K | 0.00% | +3,928+660.2% | Added |
| MAI Capital Management | 4,843 | $16.6K | 0.00% | +1,192+32.6% | Added |
| Ameritas Investment Partners, Inc. | 5,708 | $19.5K | 0.00% | 00.0% | Unchanged |
| Strategic Investment Solutions, Inc. | 6,010 | $20.6K | 0.00% | −1,000−14.3% | Reduced |
| Legal & General Group Plc | 6,035 | $20.6K | 0.00% | −61,095−91.0% | Reduced |
| Essential Partners LLC | 6,722 | $23.0K | 0.01% | +6,666+11,903.6% | Added |
| Royal Bank of Canada | 8,523 | $29.0K | 0.00% | +4,169+95.8% | Added |
| IFP Advisors, Inc | 8,897 | $30.4K | 0.00% | −2,394−21.2% | Reduced |
| Choate Investment Advisors | 10,000 | $34.2K | 0.00% | 00.0% | Unchanged |
| Spears Abacus Advisors LLC | 10,000 | $34.2K | 0.00% | 00.0% | Unchanged |
| Cerity Partners LLC | 10,151 | $34.7K | 0.00% | +10,151 | New |
| Prudential Financial Inc | 10,155 | $34.7K | 0.00% | +10,155 | New |
| Clarus Group, Inc. | 10,504 | $35.9K | 0.01% | +10,504 | New |
| Aptus Capital Advisors, LLC | 10,537 | $36.0K | 0.00% | +10,537 | New |
| Voya Investment Management LLC | 11,613 | $39.7K | 0.00% | −746−6.0% | Reduced |
| Brevan Howard Capital Management LP | 11,619 | $39.7K | 0.00% | +11,619 | New |
| Wealth Enhancement Advisory Services, LLC | 11,026 | $40.7K | 0.00% | +11,026 | New |
| State Board of Administration of Florida Retirement System | 14,618 | $50.0K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 15,118 | $51.7K | 0.00% | −12,036−44.3% | Reduced |
| Bank of Montreal | 15,403 | $52.7K | 0.00% | +15,403 | New |
| Legato Capital Management LLC | 15,562 | $53.2K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 16,231 | $55.5K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 16,663 | $57.0K | 0.00% | 00.0% | Unchanged |
| RSM US Wealth Management LLC | 17,250 | $59.0K | 0.00% | +422+2.5% | Added |
| Manufacturers Life Insurance Company, The | 18,298 | $62.6K | 0.00% | −2,865−13.5% | Reduced |
| Barclays PLC | 18,447 | $63.1K | 0.00% | −91,081−83.2% | Reduced |
| Intech Investment Management LLC | 18,580 | $63.5K | 0.00% | −6,802−26.8% | Reduced |
| Advisor Group Holdings, Inc. | 19,609 | $67.1K | 0.00% | +8,810+81.6% | Added |
| IMC-Chicago, LLC | 22,470 | $76.8K | 0.00% | −80,460−78.2% | Reduced |
| Canada Pension Plan Investment Board | 23,800 | $81.4K | 0.00% | +11,900+100.0% | Added |
| CWM, LLC | 24,626 | $84.2K | 0.00% | +22,862+1,296.0% | Added |
| Axq Capital, LP | 26,624 | $91.1K | 0.01% | +26,624 | New |
| Panagora Asset Management Inc | 27,903 | $95.4K | 0.00% | +27,903 | New |
| Vanguard Global Advisers, LLC | 28,581 | $97.7K | 0.00% | +28,581 | New |
| Wells Fargo & Company | 28,583 | $97.8K | 0.00% | −53,587−65.2% | Reduced |
| Concurrent Investment Advisors, LLC | 30,050 | $102.8K | 0.00% | +50+0.2% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 31,547 | $107.9K | 0.00% | +748+2.4% | Added |
| LPL Financial LLC | 38,849 | $132.9K | 0.00% | −16,227−29.5% | Reduced |
| nVerses Capital, LLC | 40,546 | $138.7K | 0.13% | +40,546 | New |
| Odyssean, LLC | 41,759 | $142.8K | 0.05% | 00.0% | Unchanged |
| Graham Capital Management, L.P. | 52,427 | $179.3K | 0.01% | −106,412−67.0% | Reduced |
| Alliancebernstein L.P. | 64,090 | $181.4K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 59,752 | $204.4K | 0.00% | +59,752 | New |
| Public Employees Retirement System of Ohio | 62,700 | $214.4K | 0.00% | +62,700 | New |
| Franklin Resources Inc | 63,037 | $215.6K | 0.00% | +63,037 | New |
| WJ Financial Advisors LLC | 63,945 | $218.7K | 0.18% | −870−1.3% | Reduced |
| Bridgeway Capital Management, LLC | 75,000 | $256.5K | 0.01% | +75,000 | New |
| Oppenheimer & Co Inc | 76,284 | $260.9K | 0.00% | −737−1.0% | Reduced |
| Rhumbline Advisers | 83,999 | $287.3K | 0.00% | −5,319−6.0% | Reduced |
| Numerai GP LLC | 95,900 | $328.0K | 0.03% | −155,988−61.9% | Reduced |