# ASPEN AEROGELS INC (ASPN)

> Institutional ownership reported to the SEC as of Q3 2026, from Form 13F filings. Source: https://holderbook.com/stocks/ASPN/

- Reporting holders: 2
- Reported value: $21.2K
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [Farther Finance Advisors, LLC](https://holderbook.com/funds/1992825-farther-finance-advisors-llc/) | $14.0K | 2,563 | 0.0% | 12 |
| [GAMMA Investing LLC](https://holderbook.com/funds/2010235-gamma-investing-llc/) | $7.1K | 1,303 | 0.0% | 12 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q3 2026 | 2 | $21.2K |
| Q2 2026 | 184 | $496.0M |
| Q1 2026 | 168 | $246.6M |
| Q4 2025 | 186 | $206.6M |
| Q3 2025 | 205 | $525.4M |
| Q2 2025 | 184 | $435.1M |
| Q1 2025 | 222 | $479.2M |
| Q4 2024 | 232 | $944.2M |
| Q3 2024 | 242 | $2.1B |
| Q2 2024 | 223 | $1.8B |
| Q1 2024 | 169 | $1.4B |
| Q4 2023 | 172 | $1.3B |