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, Q3 2025
Institutional positions in Aspen Aerogels Inc as of Sep 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
- 204
- +23 vs. Q2 2025
- Shares held
- 71.4M
- −59.8K (−0.1%) vs. Q2 2025
- Total value
- $496.8M
- +$73.5M (+17.4%) vs. Q2 2025
- New holders
- 51
- 63 more added
- Sold out
- 28
- 55 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Aspen Aerogels Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Covestor Ltd | 14 | $0 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 1 | $7 | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 20 | $140 | 0.00% | +8+66.7% | Added |
| Asset Planning,Inc | 25 | $174 | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 25 | $174 | 0.00% | +25 | New |
| Hughes Financial Services, LLC | 72 | $264 | 0.00% | +72 | New |
| Colonial Trust Advisors | 50 | $348 | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 80 | $557 | 0.00% | 00.0% | Unchanged |
| Cornerstone Planning Group LLC | 75 | $565 | 0.00% | +75 | New |
| Smartleaf Asset Management LLC | 85 | $601 | 0.00% | +85 | New |
| Ronald Blue Trust, Inc. | 88 | $612 | 0.00% | +88 | New |
| Comerica Bank | 93 | $644 | 0.00% | 00.0% | Unchanged |
| TD Private Client Wealth LLC | 98 | $682 | 0.00% | +98 | New |
| The PNC Financial Services Group, Inc. | 157 | $1.09K | 0.00% | +32+25.6% | Added |
| Kilter Group LLC | 180 | $1.25K | 0.00% | +180 | New |
| Rockefeller Capital Management L.P. | 200 | $1.39K | 0.00% | +200 | New |
| Rothschild Investment LLC | 205 | $1.43K | 0.00% | +20+10.8% | Added |
| Essential Partners LLC | 210 | $1.46K | 0.00% | −430−67.2% | Reduced |
| HighMark Wealth Management LLC | 250 | $1.74K | 0.00% | 00.0% | Unchanged |
| Minot DeBlois Advisors LLC | 300 | $2.09K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 375 | $2.61K | 0.00% | −1,884−83.4% | Reduced |
| Bogart Wealth, LLC | 375 | $2.61K | 0.00% | +375 | New |
| Stephens Consulting, LLC | 486 | $3.38K | 0.00% | +486 | New |
| National Bank of Canada | 527 | $3.67K | 0.00% | +527 | New |
| Strategic Wealth Partners, Ltd. | 594 | $4.13K | 0.00% | −1,757−74.7% | Reduced |
| EverSource Wealth Advisors, LLC | 641 | $4.46K | 0.00% | 00.0% | Unchanged |
| Morse Asset Management, Inc | 675 | $4.70K | 0.00% | −900−57.1% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 777 | $5.00K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 735 | $5.12K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 848 | $5.90K | 0.00% | +848 | New |
| Allworth Financial LP | 849 | $5.91K | 0.00% | +35+4.3% | Added |
| Clear Street Markets LLC | 975 | $6.79K | 0.00% | −4,741−82.9% | Reduced |
| GGM Financials LLC | 1,010 | $7.03K | 0.00% | +1,010 | New |
| Quarry LP | 1,149 | $8.00K | 0.00% | +1,149 | New |
| Versant Capital Management, Inc | 1,322 | $9.20K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 1,337 | $9.31K | 0.00% | +369+38.1% | Added |
| Wealthspire Advisors, LLC | 1,355 | $9.43K | 0.00% | +1,355 | New |
| GAMMA Investing LLC | 1,489 | $10.4K | 0.00% | +392+35.7% | Added |
| Point72 Europe (London) LLP | 1,573 | $10.9K | 0.00% | +1,573 | New |
| Bokf, NA | 2,000 | $13.9K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 2,130 | $15.0K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 2,545 | $18.1K | 0.00% | +650+34.3% | Added |
| MAI Capital Management | 2,651 | $18.5K | 0.00% | +1,000+60.6% | Added |
| Stance Capital LLC | 2,733 | $19.0K | 0.01% | +2,733 | New |
| State of Alaska, Department of Revenue | 3,385 | $23.0K | 0.00% | +3,385 | New |
| FNY Investment Advisers, LLC | 3,412 | $23.0K | 0.01% | +3,412 | New |
| US Bancorp | 3,338 | $23.2K | 0.00% | +447+15.5% | Added |
| Tower Research Capital LLC (TRC) | 3,865 | $26.9K | 0.00% | −3,370−46.6% | Reduced |
| Point72 (DIFC) Ltd | 3,938 | $27.4K | 0.00% | +3,938 | New |
| First PREMIER Bank | 4,000 | $28.0K | 0.01% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 4,575 | $31.8K | 0.00% | +2,785+155.6% | Added |
| Nisa Investment Advisors, LLC | 4,866 | $33.9K | 0.00% | +75+1.6% | Added |
| Ameritas Investment Partners, Inc. | 5,708 | $39.7K | 0.00% | 00.0% | Unchanged |
| Public Employees Retirement Association of Colorado | 6,088 | $42.0K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 6,663 | $46.4K | 0.00% | −162,545−96.1% | Reduced |
| SBI Securities Co., Ltd. | 6,975 | $48.5K | 0.00% | +632+10.0% | Added |
| CWM, LLC | 7,497 | $52.0K | 0.00% | −821−9.9% | Reduced |
| Banque Cantonale Vaudoise | 9,349 | $65.0K | 0.00% | +2,636+39.3% | Added |
| Choate Investment Advisors | 10,000 | $69.6K | 0.00% | 00.0% | Unchanged |
| Spears Abacus Advisors LLC | 10,000 | $69.6K | 0.00% | 00.0% | Unchanged |
| Prelude Capital Management, LLC | 10,109 | $70.4K | 0.01% | +10,109 | New |
| Keebeck Alpha, LP | 10,109 | $70.4K | 0.10% | +10,109 | New |
| Quadrature Capital Ltd | 10,210 | $71.1K | 0.00% | +10,210 | New |
| Omers Administration Corp | 10,300 | $71.7K | 0.00% | +10,300 | New |
| SRS Capital Advisors, Inc. | 10,324 | $71.9K | 0.00% | +8,601+499.2% | Added |
| Occudo Quantitative Strategies LP | 10,398 | $72.4K | 0.01% | +10,398 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 10,703 | $74.5K | 0.00% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 10,847 | $75.5K | 0.00% | +10,847 | New |
| ProShare Advisors LLC | 11,338 | $78.9K | 0.00% | −2,259−16.6% | Reduced |
| Commonwealth Equity Services, LLC | 11,352 | $79.0K | 0.00% | +11,352 | New |
| Probity Advisors, Inc. | 11,938 | $83.1K | 0.01% | +1,273+11.9% | Added |
| IFP Advisors, Inc | 12,032 | $83.7K | 0.00% | −8,717−42.0% | Reduced |
| Voya Investment Management LLC | 12,359 | $86.0K | 0.00% | −6,040−32.8% | Reduced |
| Point72 Asia (Singapore) Pte. Ltd. | 12,546 | $87.3K | 0.01% | +12,546 | New |
| D. E. Shaw & Co., Inc. | 13,222 | $92.0K | 0.00% | −7,500−36.2% | Reduced |
| Caxton Associates LLP | 13,654 | $95.0K | 0.00% | −89,518−86.8% | Reduced |
| Advisor Group Holdings, Inc. | 13,527 | $95.1K | 0.00% | +2,912+27.4% | Added |
| KLP Kapitalforvaltning AS | 13,800 | $96.0K | 0.00% | 00.0% | Unchanged |
| Penbrook Management LLC | 14,180 | $98.7K | 0.07% | 00.0% | Unchanged |
| Woodmont Investment Counsel LLC | 14,603 | $101.6K | 0.01% | −10,900−42.7% | Reduced |
| State Board of Administration of Florida Retirement System | 14,618 | $101.7K | 0.00% | 00.0% | Unchanged |
| Atomi Financial Group, Inc. | 15,003 | $104.4K | 0.00% | +15,003 | New |
| Simplex Trading, LLC | 16,251 | $113.0K | 0.00% | +15,198+1,443.3% | Added |
| TCG Advisory Services, LLC | 16,940 | $117.9K | 0.00% | +16,940 | New |
| Quest Partners LLC | 18,154 | $126.4K | 0.01% | 00.0% | Unchanged |
| Numerai GP LLC | 18,280 | $127.2K | 0.02% | +18,280 | New |
| DGS Capital Management, LLC | 20,153 | $140.3K | 0.03% | +20,153 | New |
| Arizona State Retirement System | 20,668 | $143.8K | 0.00% | +301+1.5% | Added |
| Janney Montgomery Scott LLC | 21,043 | $146.0K | 0.00% | −60,039−74.0% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 21,109 | $146.9K | 0.00% | +8,197+63.5% | Added |
| Sender Co & Partners, Inc. | 21,588 | $150.3K | 0.06% | +21,588 | New |
| Creative Planning | 21,948 | $152.8K | 0.00% | +6,624+43.2% | Added |
| Manufacturers Life Insurance Company, The | 22,718 | $158.1K | 0.00% | −1,953−7.9% | Reduced |
| XTX Topco Ltd | 22,799 | $158.7K | 0.01% | +22,799 | New |
| Entropy Technologies, LP | 23,221 | $161.6K | 0.01% | +23,221 | New |
| Quantinno Capital Management LP | 23,269 | $162.0K | 0.00% | +5,331+29.7% | Added |
| Caption Management, LLC | 30,000 | $208.8K | 0.01% | −13,700−31.4% | Reduced |
| MetLife Investment Management | 30,443 | $211.9K | 0.00% | −14,134−31.7% | Reduced |
| Janus Henderson Group PLC | 30,455 | $212.1K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 31,159 | $216.9K | 0.00% | −4,449−12.5% | Reduced |