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 |
|---|---|---|---|---|---|
| Versor Investments LP | 39,300 | $273.5K | 0.05% | +39,300 | New |
| Fox Run Management, L.L.C. | 36,181 | $251.8K | 0.04% | +36,181 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 35,123 | $244.5K | 0.00% | −37,305−51.5% | Reduced |
| Raymond James Financial Inc | 34,787 | $242.1K | 0.00% | +8,228+31.0% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 31,159 | $216.9K | 0.00% | −4,449−12.5% | Reduced |
| Janus Henderson Group PLC | 30,455 | $212.1K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 30,443 | $211.9K | 0.00% | −14,134−31.7% | Reduced |
| Caption Management, LLC | 30,000 | $208.8K | 0.01% | −13,700−31.4% | Reduced |
| Quantinno Capital Management LP | 23,269 | $162.0K | 0.00% | +5,331+29.7% | Added |
| Entropy Technologies, LP | 23,221 | $161.6K | 0.01% | +23,221 | New |
| XTX Topco Ltd | 22,799 | $158.7K | 0.01% | +22,799 | New |
| Manufacturers Life Insurance Company, The | 22,718 | $158.1K | 0.00% | −1,953−7.9% | Reduced |
| Creative Planning | 21,948 | $152.8K | 0.00% | +6,624+43.2% | Added |
| Sender Co & Partners, Inc. | 21,588 | $150.3K | 0.06% | +21,588 | New |
| Police & Firemen's Retirement System of New Jersey | 21,109 | $146.9K | 0.00% | +8,197+63.5% | Added |
| Janney Montgomery Scott LLC | 21,043 | $146.0K | 0.00% | −60,039−74.0% | Reduced |
| Arizona State Retirement System | 20,668 | $143.8K | 0.00% | +301+1.5% | Added |
| DGS Capital Management, LLC | 20,153 | $140.3K | 0.03% | +20,153 | New |
| Numerai GP LLC | 18,280 | $127.2K | 0.02% | +18,280 | New |
| Quest Partners LLC | 18,154 | $126.4K | 0.01% | 00.0% | Unchanged |
| TCG Advisory Services, LLC | 16,940 | $117.9K | 0.00% | +16,940 | New |
| Simplex Trading, LLC | 16,251 | $113.0K | 0.00% | +15,198+1,443.3% | Added |
| Atomi Financial Group, Inc. | 15,003 | $104.4K | 0.00% | +15,003 | New |
| State Board of Administration of Florida Retirement System | 14,618 | $101.7K | 0.00% | 00.0% | Unchanged |
| Woodmont Investment Counsel LLC | 14,603 | $101.6K | 0.01% | −10,900−42.7% | Reduced |
| Penbrook Management LLC | 14,180 | $98.7K | 0.07% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 13,800 | $96.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 13,527 | $95.1K | 0.00% | +2,912+27.4% | Added |
| Caxton Associates LLP | 13,654 | $95.0K | 0.00% | −89,518−86.8% | Reduced |
| D. E. Shaw & Co., Inc. | 13,222 | $92.0K | 0.00% | −7,500−36.2% | Reduced |
| Point72 Asia (Singapore) Pte. Ltd. | 12,546 | $87.3K | 0.01% | +12,546 | New |
| Voya Investment Management LLC | 12,359 | $86.0K | 0.00% | −6,040−32.8% | Reduced |
| IFP Advisors, Inc | 12,032 | $83.7K | 0.00% | −8,717−42.0% | Reduced |
| Probity Advisors, Inc. | 11,938 | $83.1K | 0.01% | +1,273+11.9% | Added |
| Commonwealth Equity Services, LLC | 11,352 | $79.0K | 0.00% | +11,352 | New |
| ProShare Advisors LLC | 11,338 | $78.9K | 0.00% | −2,259−16.6% | Reduced |
| HighTower Advisors, LLC | 10,847 | $75.5K | 0.00% | +10,847 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 10,703 | $74.5K | 0.00% | 00.0% | Unchanged |
| Occudo Quantitative Strategies LP | 10,398 | $72.4K | 0.01% | +10,398 | New |
| SRS Capital Advisors, Inc. | 10,324 | $71.9K | 0.00% | +8,601+499.2% | Added |
| Omers Administration Corp | 10,300 | $71.7K | 0.00% | +10,300 | New |
| Quadrature Capital Ltd | 10,210 | $71.1K | 0.00% | +10,210 | New |
| 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 |
| 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 |
| Banque Cantonale Vaudoise | 9,349 | $65.0K | 0.00% | +2,636+39.3% | Added |
| CWM, LLC | 7,497 | $52.0K | 0.00% | −821−9.9% | Reduced |
| SBI Securities Co., Ltd. | 6,975 | $48.5K | 0.00% | +632+10.0% | Added |
| FMR LLC | 6,663 | $46.4K | 0.00% | −162,545−96.1% | Reduced |
| Public Employees Retirement Association of Colorado | 6,088 | $42.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 5,708 | $39.7K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 4,866 | $33.9K | 0.00% | +75+1.6% | Added |
| Sterling Capital Management LLC | 4,575 | $31.8K | 0.00% | +2,785+155.6% | Added |
| First PREMIER Bank | 4,000 | $28.0K | 0.01% | 00.0% | Unchanged |
| Point72 (DIFC) Ltd | 3,938 | $27.4K | 0.00% | +3,938 | New |
| Tower Research Capital LLC (TRC) | 3,865 | $26.9K | 0.00% | −3,370−46.6% | Reduced |
| US Bancorp | 3,338 | $23.2K | 0.00% | +447+15.5% | Added |
| 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 |
| Stance Capital LLC | 2,733 | $19.0K | 0.01% | +2,733 | New |
| MAI Capital Management | 2,651 | $18.5K | 0.00% | +1,000+60.6% | Added |
| Jones Financial Companies LLLP | 2,545 | $18.1K | 0.00% | +650+34.3% | Added |
| Amalgamated Bank | 2,130 | $15.0K | 0.00% | 00.0% | Unchanged |
| Bokf, NA | 2,000 | $13.9K | 0.00% | 00.0% | Unchanged |
| Point72 Europe (London) LLP | 1,573 | $10.9K | 0.00% | +1,573 | New |
| GAMMA Investing LLC | 1,489 | $10.4K | 0.00% | +392+35.7% | Added |
| Wealthspire Advisors, LLC | 1,355 | $9.43K | 0.00% | +1,355 | New |
| Signaturefd, LLC | 1,337 | $9.31K | 0.00% | +369+38.1% | Added |
| Versant Capital Management, Inc | 1,322 | $9.20K | 0.00% | 00.0% | Unchanged |
| Quarry LP | 1,149 | $8.00K | 0.00% | +1,149 | New |
| GGM Financials LLC | 1,010 | $7.03K | 0.00% | +1,010 | New |
| Clear Street Markets LLC | 975 | $6.79K | 0.00% | −4,741−82.9% | Reduced |
| Allworth Financial LP | 849 | $5.91K | 0.00% | +35+4.3% | Added |
| Optiver Holding B.V. | 848 | $5.90K | 0.00% | +848 | New |
| Huntington National Bank | 735 | $5.12K | 0.00% | 00.0% | Unchanged |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 777 | $5.00K | 0.00% | 00.0% | Unchanged |
| Morse Asset Management, Inc | 675 | $4.70K | 0.00% | −900−57.1% | Reduced |
| EverSource Wealth Advisors, LLC | 641 | $4.46K | 0.00% | 00.0% | Unchanged |
| Strategic Wealth Partners, Ltd. | 594 | $4.13K | 0.00% | −1,757−74.7% | Reduced |
| National Bank of Canada | 527 | $3.67K | 0.00% | +527 | New |
| Stephens Consulting, LLC | 486 | $3.38K | 0.00% | +486 | New |
| Larson Financial Group LLC | 375 | $2.61K | 0.00% | −1,884−83.4% | Reduced |
| Bogart Wealth, LLC | 375 | $2.61K | 0.00% | +375 | New |
| Minot DeBlois Advisors LLC | 300 | $2.09K | 0.00% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 250 | $1.74K | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 210 | $1.46K | 0.00% | −430−67.2% | Reduced |
| Rothschild Investment LLC | 205 | $1.43K | 0.00% | +20+10.8% | Added |
| Rockefeller Capital Management L.P. | 200 | $1.39K | 0.00% | +200 | New |
| Kilter Group LLC | 180 | $1.25K | 0.00% | +180 | New |
| The PNC Financial Services Group, Inc. | 157 | $1.09K | 0.00% | +32+25.6% | Added |
| TD Private Client Wealth LLC | 98 | $682 | 0.00% | +98 | New |
| Comerica Bank | 93 | $644 | 0.00% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 88 | $612 | 0.00% | +88 | New |
| Smartleaf Asset Management LLC | 85 | $601 | 0.00% | +85 | New |
| Cornerstone Planning Group LLC | 75 | $565 | 0.00% | +75 | New |
| Parkside Financial Bank & Trust | 80 | $557 | 0.00% | 00.0% | Unchanged |
| Colonial Trust Advisors | 50 | $348 | 0.00% | 00.0% | Unchanged |
| Hughes Financial Services, LLC | 72 | $264 | 0.00% | +72 | New |
| Asset Planning,Inc | 25 | $174 | 0.00% | 00.0% | Unchanged |