Ownership history in RENAISSANCE TECHNOLOGIES LLC · 38 quarters on record
This page tracks every 13F SEC filing in which RENAISSANCE TECHNOLOGIES LLC reported a position in ASPEN AEROGELS INC (ASPN). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q3 | REDUCED | 246,900 | -432,300 | -63.6% | 0.00% | $1.7M | $6.96 |
| 2025 Q2 | REDUCED | 679,200 | -84,900 | -11.1% | 0.01% | $4.0M | $5.92 |
| 2025 Q1 | REDUCED | 764,100 | -2,300 | -0.3% | 0.01% | $4.9M | $6.39 |
| 2024 Q4 | ADDED | 766,400 | +632,500 | +472.4% | 0.01% | $9.1M | $11.88 |
| 2024 Q3 | REDUCED | 133,900 | -215,800 | -61.7% | 0.01% | $3.7M | $27.69 |
| 2024 Q2 | ADDED | 349,700 | +122,300 | +53.8% | 0.01% | $8.3M | $23.85 |
| 2023 Q2 | ADDED | 227,400 | +193,900 | +578.8% | 0.00% | $1.8M | $7.89 |
| 2023 Q1 | REDUCED | 33,500 | -89,200 | -72.7% | 0.00% | $250K | $7.45 |
| 2022 Q4 | REDUCED | 122,700 | -37,500 | -23.4% | 0.00% | $1.4M | $11.79 |
| 2022 Q3 | ADDED | 160,200 | +81,900 | +104.6% | 0.00% | $1.5M | $9.22 |
As of 2025 Q4 — sorted by position size