Aspen Aerogels, Inc. (ASPN) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for ASPN. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 176 institutions reported holding ASPN, with 73.4 million shares worth $464.8 million in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| Kim | 12,280,426 | $78M | UNCHANGED |
| BlackRock | 5,277,148 | $33M | INCREASED |
| Oaktop Capital Management II | 5,168,674 | $33M | UNCHANGED |
| Vanguard | 4,741,228 | $30M | INCREASED |
| Needham Investment Management | 3,260,800 | $21M | DECREASED |
Full institutional holdings, insider history, and congressional trades for Aspen Aerogels, Inc. on SentiSense.