Chuck Royce's ASPN Position Overview
Chuck Royce (via Royce & Associates Lp) currently holds 986,513 shares of Aspen Aerogels, Inc. (ASPN) worth $3.37 M, representing 0.03% of the portfolio. First purchased in 2015-Q4, this long-term strategic position has been held for 41 quarters.
Based on 13F filings since 2013, Chuck Royce has maintained a long-term strategic position in ASPN, representing a significant commitment to this investment thesis. Largest addition occurred in Q1 2026, adding 986,513 shares. Largest reduction occurred in Q3 2025, reducing 531,068 shares.
Analysis based on 13F filings available since 2013 Q2
Chuck Royce's Aspen Aerogels (ASPN) Holding Value Over Time
Track share changes against reported price movement
Quarterly Aspen Aerogels (ASPN) Trades by Chuck Royce
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | +986,513 | New Buy | 986,513 | $3.42 |
| Q3 2025 | -531,068 | Sold Out | 0 | $0.00 |
| Q2 2025 | -175,210 | Reduce 24.81% | 531,068 | $5.92 |
| Q1 2025 | -240,345 | Reduce 25.39% | 706,278 | $6.39 |
| Q4 2024 | -265,474 | Reduce 21.90% | 946,623 | $11.88 |
| Q3 2024 | -27,170 | Reduce 2.19% | 1.21 M | $27.69 |
| Q2 2024 | -408,807 | Reduce 24.81% | 1.24 M | $23.85 |
| Q1 2024 | -71,009 | Reduce 4.13% | 1.65 M | $17.60 |
| Q4 2023 | +259,734 | Add 17.80% | 1.72 M | $15.78 |
| Q3 2023 | +356,466 | Add 32.32% | 1.46 M | $8.60 |
| Q2 2023 | +130,500 | Add 13.42% | 1.1 M | $7.89 |
| Q1 2023 | +231,100 | Add 31.18% | 972,383 | $7.45 |
| Q4 2022 | +224,000 | Add 43.30% | 741,283 | $11.79 |
| Q3 2022 | -63,149 | Reduce 10.88% | 517,283 | $9.22 |
| Q2 2022 | +88,600 | Add 18.01% | 580,432 | $9.88 |
| Q1 2022 | +69,550 | Add 16.47% | 491,832 | $34.48 |
| Q4 2021 | -74,570 | Reduce 15.01% | 422,282 | $49.79 |
| Q3 2021 | -88,333 | Reduce 15.09% | 496,852 | $46.01 |
| Q2 2021 | +98,413 | Add 20.22% | 585,185 | $29.92 |
| Q1 2021 | -223,707 | Reduce 31.49% | 486,772 | $20.34 |
| Q4 2020 | +113,700 | Add 19.05% | 710,479 | $16.69 |
| Q3 2020 | -29,581 | Reduce 4.72% | 596,779 | $10.95 |
| Q2 2020 | -110,129 | Reduce 14.95% | 626,360 | $6.58 |
| Q1 2020 | -202,842 | Reduce 21.59% | 736,489 | $6.14 |
| Q4 2019 | +8,800 | Add 0.95% | 939,331 | $7.76 |
| Q3 2019 | +21,206 | Add 2.33% | 930,531 | $5.92 |
| Q2 2019 | +38,850 | Add 4.46% | 909,325 | $7.13 |
| Q1 2019 | +20,000 | Add 2.35% | 870,475 | $2.55 |
| Q4 2018 | -52,543 | Reduce 5.82% | 850,475 | $2.13 |
| Q3 2018 | +11,000 | Add 1.23% | 903,018 | $4.57 |
| Q2 2018 | +52,376 | Add 6.24% | 892,018 | $4.90 |
| Q1 2018 | +138,234 | Add 19.71% | 839,642 | $4.27 |
| Q4 2017 | +40,662 | Add 6.15% | 701,408 | $4.88 |
| Q3 2017 | +74,792 | Add 12.76% | 660,746 | $4.35 |
| Q2 2017 | +172,030 | Add 41.56% | 585,954 | $4.45 |
| Q1 2017 | +117,397 | Add 39.59% | 413,924 | $4.15 |
| Q4 2016 | +98,459 | Add 49.71% | 296,527 | $4.13 |
| Q3 2016 | +84,316 | Add 74.12% | 198,068 | $5.96 |
| Q2 2016 | +15,756 | Add 16.08% | 113,752 | $4.97 |
| Q1 2016 | +30,011 | Add 44.14% | 97,996 | $4.50 |
| Q4 2015 | +67,985 | New Buy | 67,985 | $6.07 |
Chuck Royce's Aspen Aerogels Investment FAQs
Chuck Royce first purchased Aspen Aerogels, Inc. (ASPN) in Q4 2015, acquiring 67,985 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Chuck Royce has held Aspen Aerogels, Inc. (ASPN) for 41 quarters since Q4 2015.
Chuck Royce's largest addition to Aspen Aerogels, Inc. (ASPN) was in Q1 2026, adding 986,513 shares worth $3.37 M.
According to the latest 13F filing for Q1 2026, Chuck Royce's firm, Royce & Associates Lp, owns 986,513 shares of Aspen Aerogels, Inc. (ASPN), valued at approximately $3.37 M.
As of the Q1 2026 filing, Aspen Aerogels, Inc. (ASPN) represents approximately 0.03% of Chuck Royce's publicly disclosed stock portfolio, making it one of their key holdings.
Chuck Royce's peak holding in Aspen Aerogels, Inc. (ASPN) was 1,719,083 shares, as reported at the end of Q4 2023.