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 2021
Institutional positions in Aspen Aerogels Inc as of Sep 30, 2021. 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
- 130
- +16 vs. Q2 2021
- Shares held
- 27.6M
- −384.6K (−1.4%) vs. Q2 2021
- Total value
- $1.27B
- +$432.3M (+51.7%) vs. Q2 2021
- New holders
- 30
- 36 more added
- Sold out
- 14
- 52 more reduced
1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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 2021
Shares, value and share of portfolio for each institution holding Aspen Aerogels Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Harvey Partners, LLC | 175,000 | $8.05M | 6.10% | −125,000−41.7% | Reduced |
| Point72 Asset Management, L.P. | 180,300 | $8.30M | 0.04% | +24,200+15.5% | Added |
| Granite Point Capital Management, L.P. | 197,213 | $9.07M | 3.52% | −12,787−6.1% | Reduced |
| RK Capital Management, LLC | 199,000 | $9.16M | 1.73% | −27,753−12.2% | Reduced |
| Northern Trust Corp | 207,812 | $9.56M | 0.00% | −17,178−7.6% | Reduced |
| Silvercrest Asset Management Group LLC | 209,826 | $9.65M | 0.07% | −70,372−25.1% | Reduced |
| Tygh Capital Management, Inc. | 248,357 | $11.4M | 1.55% | +206,258+489.9% | Added |
| Samjo Capital LLC | 350,000 | $16.1M | 11.82% | −11,000−3.0% | Reduced |
| Invesco Ltd. | 361,089 | $16.6M | 0.00% | +274,715+318.1% | Added |
| UBS Asset Management Americas Inc | 364,203 | $16.8M | 0.01% | +364,203 | New |
| Collaborative Holdings Management LP | 365,700 | $16.8M | 7.15% | +315,700+631.4% | Added |
| Baird Financial Group, Inc. | 371,292 | $17.1M | 0.04% | +12,287+3.4% | Added |
| Cowen Prime Advisors LLC | 376,750 | $17.3M | 6.45% | −82,450−18.0% | Reduced |
| Geode Capital Management, LLC | 383,010 | $17.6M | 0.00% | −23,679−5.8% | Reduced |
| Dimensional Fund Advisors LP | 407,784 | $18.8M | 0.01% | +16,561+4.2% | Added |
| G2 Investment Partners Management LLC | 435,653 | $20.0M | 3.48% | −251,279−36.6% | Reduced |
| Price T Rowe Associates Inc | 452,830 | $20.8M | 0.00% | −54,254−10.7% | Reduced |
| Essex Investment Management Co LLC | 479,045 | $22.0M | 2.70% | −85,562−15.2% | Reduced |
| Next Century Growth Investors LLC | 496,056 | $22.8M | 1.98% | −101,817−17.0% | Reduced |
| Royce & Associates LP | 496,852 | $22.9M | 0.17% | −88,333−15.1% | Reduced |
| FMR LLC | 574,825 | $26.4M | 0.00% | +54,415+10.5% | Added |
| State Street Corp | 692,426 | $31.9M | 0.00% | −45,348−6.1% | Reduced |
| Needham Investment Management LLC | 960,500 | $44.2M | 5.90% | −160,000−14.3% | Reduced |
| Driehaus Capital Management LLC | 1,248,858 | $57.5M | 0.68% | +392,956+45.9% | Added |
| Vanguard Group Inc | 1,400,557 | $64.4M | 0.00% | +96,094+7.4% | Added |
| BlackRock Inc. | 1,408,299 | $64.8M | 0.00% | −166,273−10.6% | Reduced |
| Telemark Asset Management, LLC | 1,990,000 | $91.6M | 6.63% | −35,000−1.7% | Reduced |
| Oaktop Capital Management II, L.P. | 2,939,758 | $135.3M | 18.74% | 00.0% | Unchanged |
| George Kaiser Family Foundation | 3,167,322 | $145.7M | 24.39% | 00.0% | Unchanged |
| Spring Creek Capital LLC | 3,462,124 | $159.3M | 7.85% | 00.0% | Unchanged |
| AIGH Capital Management LLC | 0 | $0 | 0.00% | −655,819−100.0% | Sold out |
| Worth Venture Partners, LLC | 0 | $0 | 0.00% | −146,687−100.0% | Sold out |
| Shay Capital LLC | 0 | $0 | 0.00% | −74,294−100.0% | Sold out |
| Jefferies Group LLC | 0 | $0 | 0.00% | −70,000−100.0% | Sold out |
| Ardsley Advisory Partners LP | 0 | $0 | 0.00% | −50,500−100.0% | Sold out |
| Apis Capital Advisors, LLC | 0 | $0 | 0.00% | −45,000−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −45,001−100.0% | Sold out |
| PEAK6 Investments LLC | 0 | $0 | 0.00% | −18,583−100.0% | Sold out |
| Appian Way Asset Management LP | 0 | $0 | 0.00% | −17,900−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −11,239−100.0% | Sold out |
| SG3 Management, LLC | 0 | $0 | 0.00% | −6,000−100.0% | Sold out |
| Parisi Gray Wealth Management | 0 | $0 | 0.00% | −3,516−100.0% | Sold out |
| Pinz Capital Management, LP | 0 | $0 | 0.00% | −900−100.0% | Sold out |
| Cowen Prime Services LLC | – | – | – | – | Not filed |