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 2024
Institutional positions in Aspen Aerogels Inc as of Mar 31, 2024. 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
- 167
- −2 vs. Q4 2023
- Shares held
- 74.4M
- −473.3K (−0.6%) vs. Q4 2023
- Total value
- $1.31B
- +$127.9M (+10.8%) vs. Q4 2023
- New holders
- 29
- 50 more added
- Sold out
- 31
- 52 more reduced
1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: 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 2024
Shares, value and share of portfolio for each institution holding Aspen Aerogels Inc; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Kim, LLC | 15,780,426 | $277.7M | 34.07% | 00.0% | Unchanged |
| BlackRock Inc. | 4,062,917 | $71.5M | 0.00% | +7,931+0.2% | Added |
| Vanguard Group Inc | 3,619,702 | $63.7M | 0.00% | +175,906+5.1% | Added |
| Oaktop Capital Management II, L.P. | 3,340,525 | $58.8M | 6.79% | +145,767+4.6% | Added |
| Hood River Capital Management LLC | 3,300,443 | $58.1M | 1.30% | +357,895+12.2% | Added |
| George Kaiser Family Foundation | 3,167,322 | $55.7M | 10.66% | 00.0% | Unchanged |
| Needham Investment Management LLC | 3,002,200 | $52.8M | 4.91% | +34,800+1.2% | Added |
| FMR LLC | 2,378,081 | $41.9M | 0.00% | +49,944+2.1% | Added |
| Encompass Capital Advisors LLC | 2,181,339 | $38.4M | 2.08% | +153,807+7.6% | Added |
| Frontier Capital Management Co LLC | 2,072,789 | $36.5M | 0.34% | +621,032+42.8% | Added |
| AWM Investment Company, Inc. | 1,977,839 | $34.8M | 4.56% | −168,589−7.9% | Reduced |
| Samjo Management, LLC | 1,657,775 | $29.2M | 10.26% | −618,375−27.2% | Reduced |
| Ameriprise Financial Inc | 1,650,950 | $29.1M | 0.01% | −197,570−10.7% | Reduced |
| Royce & Associates LP | 1,648,074 | $29.0M | 0.26% | −71,009−4.1% | Reduced |
| Telemark Asset Management, LLC | 1,492,424 | $26.3M | 2.71% | 00.0% | Unchanged |
| State Street Corp | 1,383,560 | $24.4M | 0.00% | +98,518+7.7% | Added |
| Geode Capital Management, LLC | 1,182,026 | $20.8M | 0.00% | +69,369+6.2% | Added |
| Federated Hermes, Inc. | 1,154,042 | $20.3M | 0.05% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 1,133,710 | $20.0M | 0.01% | +317,941+39.0% | Added |
| Morgan Stanley | 1,089,803 | $19.2M | 0.00% | +424,600+63.8% | Added |
| UniSuper Management Pty Ltd | 1,083,836 | $19.1M | 0.18% | 00.0% | Unchanged |
| Driehaus Capital Management LLC | 936,065 | $16.5M | 0.16% | −59,978−6.0% | Reduced |
| Ardsley Advisory Partners LP | 865,000 | $15.2M | 2.19% | −181,000−17.3% | Reduced |
| Voya Investment Management LLC | 803,513 | $14.1M | 0.01% | +783,076+3,831.7% | Added |
| Mesirow Institutional Investment Management, Inc. | 665,438 | $11.7M | 1.04% | −95,976−12.6% | Reduced |
| Rice Hall James & Associates, LLC | 581,215 | $10.2M | 0.58% | +724+0.1% | Added |
| Penn Capital Management Co Inc | 537,369 | $9.47M | 0.84% | −182,312−25.3% | Reduced |
| Northern Trust Corp | 510,226 | $8.98M | 0.00% | −10,910−2.1% | Reduced |
| Point72 Asset Management, L.P. | 495,211 | $8.72M | 0.03% | +331,800+203.0% | Added |
| Silvercrest Asset Management Group LLC | 478,193 | $8.42M | 0.06% | +155,110+48.0% | Added |
| Nuveen Asset Management, LLC | 471,227 | $8.29M | 0.00% | −654,153−58.1% | Reduced |
| Baird Financial Group, Inc. | 435,516 | $7.67M | 0.02% | +578+0.1% | Added |
| Essex Investment Management Co LLC | 385,455 | $6.78M | 1.34% | −47,695−11.0% | Reduced |
| New York State Common Retirement Fund | 383,658 | $6.75M | 0.01% | −124,419−24.5% | Reduced |
| Sargent Investment Group, LLC | 330,187 | $5.81M | 1.27% | −7,094−2.1% | Reduced |
| Deutsche Bank AG | 328,518 | $5.78M | 0.00% | +127,725+63.6% | Added |
| UBS Group AG | 300,031 | $5.28M | 0.00% | +94,214+45.8% | Added |
| First Trust Advisors LP | 280,603 | $4.94M | 0.01% | +280,603 | New |
| Harvey Partners, LLC | 277,500 | $4.88M | 0.53% | −25,000−8.3% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 264,890 | $4.66M | 0.02% | −7,690−2.8% | Reduced |
| Invesco Ltd. | 256,816 | $4.52M | 0.00% | +40,693+18.8% | Added |
| Bank of America Corp | 244,757 | $4.31M | 0.00% | +213,103+673.2% | Added |
| Castleark Management LLC | 230,444 | $4.06M | 0.17% | −19,616−7.8% | Reduced |
| G2 Investment Partners Management LLC | 220,084 | $3.87M | 1.03% | +220,084 | New |
| State of Wisconsin Investment Board | 218,323 | $3.84M | 0.01% | −37,377−14.6% | Reduced |
| Goldman Sachs Group Inc | 217,154 | $3.82M | 0.00% | −5,253−2.4% | Reduced |
| Jane Street Group, LLC | 215,064 | $3.79M | 0.00% | +40,233+23.0% | Added |
| Susquehanna International Group, LLP | 204,790 | $3.60M | 0.01% | −7,984−3.8% | Reduced |
| EAM Investors, LLC | 204,448 | $3.60M | 0.57% | +2,950+1.5% | Added |
| Masters Capital Management LLC | 200,000 | $3.52M | 0.66% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 179,678 | $3.16M | 0.00% | −38,490−17.6% | Reduced |
| Kennedy Capital Management, Inc. | 177,900 | $3.13M | 0.06% | −42,368−19.2% | Reduced |
| Squarepoint Ops LLC | 167,703 | $2.95M | 0.01% | +153,630+1,091.7% | Added |
| Charles Schwab Investment Management Inc | 143,351 | $2.52M | 0.00% | −3,391−2.3% | Reduced |
| Greenwood Capital Associates LLC | 140,284 | $2.47M | 0.33% | −4,700−3.2% | Reduced |
| AQR Capital Management LLC | 139,864 | $2.46M | 0.00% | +139,864 | New |
| Redwood Grove Capital, LLC | 133,210 | $2.34M | 0.73% | 00.0% | Unchanged |
| Swiss National Bank | 120,500 | $2.12M | 0.00% | +16,800+16.2% | Added |
| American Century Companies Inc | 116,379 | $2.05M | 0.00% | +43,094+58.8% | Added |
| Comerica Bank | 113,186 | $1.99M | 0.01% | +113,186 | New |
| Legato Capital Management LLC | 107,252 | $1.89M | 0.23% | 00.0% | Unchanged |
| Marex Group plc | 105,000 | $1.85M | 0.06% | +40,000+61.5% | Added |
| Trexquant Investment LP | 102,430 | $1.80M | 0.04% | +102,430 | New |
| Credit Suisse AG | 100,854 | $1.78M | 0.00% | +634+0.6% | Added |
| Palogic Value Management, L.P. | 100,000 | $1.76M | 0.76% | −100,000−50.0% | Reduced |
| Maven Securities LTD | 100,000 | $1.76M | 0.10% | +100,000 | New |
| Bouvel Investment Partners, LLC | 94,188 | $1.66M | 0.72% | −130−0.1% | Reduced |
| Redwood Investments, LLC | 91,621 | $1.59M | 0.46% | −134,678−59.5% | Reduced |
| Options Solutions, LLC | 89,598 | $1.58M | 0.90% | +89,598 | New |
| Davy Global Fund Management Ltd | 85,257 | $1.50M | 0.17% | −1,595−1.8% | Reduced |
| SEI Investments Co | 84,759 | $1.49M | 0.00% | −1,955−2.3% | Reduced |
| Allspring Global Investments Holdings, LLC | 83,267 | $1.47M | 0.00% | −1,491−1.8% | Reduced |
| Rhumbline Advisers | 82,021 | $1.44M | 0.00% | +2,239+2.8% | Added |
| Caption Management, LLC | 80,048 | $1.41M | 0.16% | +68,128+571.5% | Added |
| Strategic Wealth Partners, Ltd. | 68,980 | $1.21M | 0.13% | +5,305+8.3% | Added |
| Gsa Capital Partners LLP | 67,103 | $1.18M | 0.09% | +67,103 | New |
| Jackson Creek Investment Advisors LLC | 61,831 | $1.09M | 0.39% | −39,414−38.9% | Reduced |
| California State Teachers Retirement System | 60,039 | $1.06M | 0.00% | +4,734+8.6% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 60,033 | $1.06M | 0.00% | −4,716−7.3% | Reduced |
| UBS Asset Management Americas Inc | 57,840 | $1.02M | 0.00% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 53,422 | $940.2K | 0.03% | +40,862+325.3% | Added |
| Citadel Advisors LLC | 52,276 | $920.1K | 0.00% | −222,777−81.0% | Reduced |
| Alliancebernstein L.P. | 50,890 | $895.7K | 0.00% | 00.0% | Unchanged |
| Algert Global LLC | 50,534 | $889.4K | 0.03% | −10,700−17.5% | Reduced |
| Legal & General Group Plc | 50,086 | $881.5K | 0.00% | +5,307+11.9% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 48,348 | $850.9K | 0.00% | +48,348 | New |
| Barclays PLC | 48,042 | $845.5K | 0.00% | −32,561−40.4% | Reduced |
| Graham Capital Management, L.P. | 44,099 | $776.1K | 0.02% | +44,099 | New |
| Bridgewater Advisors Inc. | 42,639 | $750.4K | 0.11% | +42,639 | New |
| Woodmont Investment Counsel LLC | 41,600 | $732.2K | 0.06% | 00.0% | Unchanged |
| Citigroup Inc | 40,280 | $708.9K | 0.00% | +28,831+251.8% | Added |
| Assenagon Asset Management S.A. | 36,114 | $635.6K | 0.00% | +36,114 | New |
| Advisor Group Holdings, Inc. | 35,418 | $623.4K | 0.00% | −62,798−63.9% | Reduced |
| Firsthand Capital Management, Inc. | 35,000 | $616.0K | 1.00% | 00.0% | Unchanged |
| Abbot Financial Management, Inc. | 34,816 | $612.8K | 0.34% | +6,712+23.9% | Added |
| ARS Investment Partners, LLC | 33,679 | $592.8K | 0.06% | −7,800−18.8% | Reduced |
| Eschler Asset Management LLP | 33,082 | $582.2K | 0.38% | +33,082 | New |
| PEAK6 Investments LLC | 32,799 | $577.3K | 0.03% | +32,799 | New |
| Janus Henderson Group PLC | 30,840 | $542.6K | 0.00% | +35+0.1% | Added |
| ExodusPoint Capital Management, LP | 28,673 | $505.0K | 0.01% | +28,673 | New |