Cliff Asness's ASPN Position Overview
Cliff Asness (via Aqr Capital Management LLC) currently holds 369,949 shares of Aspen Aerogels, Inc. (ASPN) worth $1.05 M, representing 0.00% of the portfolio. First purchased in 2020-Q4, this medium-term investment has been held for 16 quarters.
Based on 13F filings, Cliff Asness has maintained a strategic position in ASPN, demonstrating sustained confidence in this investment. Largest addition occurred in Q4 2025, adding 192,144 shares. Largest reduction occurred in Q3 2024, reducing 64,056 shares.
Analysis based on 13F filings available since 2013 Q2
Cliff Asness's Aspen Aerogels (ASPN) Holding Value Over Time
Track share changes against reported price movement
Quarterly Aspen Aerogels (ASPN) Trades by Cliff Asness
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +192,144 | Add 108.06% | 369,949 | $2.83 |
| Q3 2025 | -12,026 | Reduce 6.34% | 177,805 | $6.96 |
| Q2 2025 | +39,645 | Add 26.40% | 189,831 | $5.92 |
| Q1 2025 | +150,186 | New Buy | 150,186 | $6.39 |
| Q4 2024 | -14,659 | Sold Out | 0 | $0.00 |
| Q3 2024 | -64,056 | Reduce 81.38% | 14,659 | $27.69 |
| Q2 2024 | -61,149 | Reduce 43.72% | 78,715 | $23.85 |
| Q1 2024 | +139,864 | New Buy | 139,864 | $17.60 |
| Q3 2022 | -23,506 | Sold Out | 0 | $0.00 |
| Q2 2022 | -10,628 | Reduce 31.14% | 23,506 | $9.87 |
| Q1 2022 | -4,407 | Reduce 11.43% | 34,134 | $34.48 |
| Q4 2021 | +15,132 | Add 64.64% | 38,541 | $49.79 |
| Q3 2021 | +3,135 | Add 15.46% | 23,409 | $46.01 |
| Q2 2021 | -3,168 | Reduce 13.51% | 20,274 | $29.94 |
| Q1 2021 | +10,133 | Add 76.14% | 23,442 | $20.35 |
| Q4 2020 | +13,309 | New Buy | 13,309 | $16.68 |
Cliff Asness's Aspen Aerogels Investment FAQs
Cliff Asness first purchased Aspen Aerogels, Inc. (ASPN) in Q4 2020, acquiring 13,309 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Cliff Asness has held Aspen Aerogels, Inc. (ASPN) for 16 quarters since Q4 2020.
Cliff Asness's largest addition to Aspen Aerogels, Inc. (ASPN) was in Q4 2025, adding 369,949 shares worth $1.05 M.
According to the latest 13F filing for Q4 2025, Cliff Asness's firm, Aqr Capital Management LLC, owns 369,949 shares of Aspen Aerogels, Inc. (ASPN), valued at approximately $1.05 M.
As of the Q4 2025 filing, Aspen Aerogels, Inc. (ASPN) represents approximately 0.00% of Cliff Asness's publicly disclosed stock portfolio, making it one of their key holdings.
Cliff Asness's peak holding in Aspen Aerogels, Inc. (ASPN) was 369,949 shares, as reported at the end of Q4 2025.