D. E. Shaw & Co., Inc.
- SEC CIK
- 0001009207
- Latest filing
- Aug 14, 2026
ASPN holding history
Aspen Aerogels Inc in every 13F filed by D. E. Shaw & Co., Inc., including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
ASPN overviewAll 13F holders of ASPNFull Q2 2026 holdings
- Shares (Q2 2026)
- 1,066,501
- Value
- $6.76M
- % of portfolio
- <0.1%
- Quarters held
- 12
- Since Q2 2022
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 1,066,501 | $6.76M | <0.1% | +232,929+27.9% | Added | Holders |
| Q1 2026 | 833,572 | $2.85M | <0.1% | +810,355+3,490.4% | Added | Holders |
| Q4 2025 | 23,217 | $65.7K | <0.1% | +9,995+75.6% | Added | Holders |
| Q3 2025 | 13,222 | $92.0K | <0.1% | −7,500−36.2% | Reduced | Holders |
| Q2 2025 | 20,722 | $122.7K | <0.1% | −4,067−16.4% | Reduced | Holders |
| Q1 2025 | 24,789 | $158.4K | <0.1% | +24,789 | New | Holders |
| Q4 2024 | 0 | $0 | 0.0% | −22,465−100.0% | Sold out | Holders |
| Q3 2024 | 22,465 | $622.1K | <0.1% | −519,040−95.9% | Reduced | Holders |
| Q2 2024 | 541,505 | $12.9M | <0.1% | +541,505 | New | Holders |
| Q2 2023 | 0 | $0 | 0.0% | −77,788−100.0% | Sold out | Holders |
| Q1 2023 | 77,788 | $579.5K | <0.1% | −141,488−64.5% | Reduced | Holders |
| Q4 2022 | 219,276 | $2.59M | <0.1% | −131,192−37.4% | Reduced | Holders |
| Q3 2022 | 350,468 | $3.23M | <0.1% | +148,472+73.5% | Added | Holders |
| Q2 2022 | 201,996 | $2.00M | <0.1% | +201,996 | New | Holders |