Aspen Aerogels, Inc. ASPN
4.96 USD +0.14 (+2.90%)
At closeNov 3, 2026, 4:00 PM EST
4.96 0.00 0.00%
After hours · Nov 3, 4:00 PM ET
4.92 Day range 5.07
2.30 52-week range 8.10
- YTD
- +75.27%
- 1 year
- -36.00%
Held by funds
82 US ETFs and mutual funds hold ASPN · largest positions
Ownership
Held by insiders 1.62%
Held by institutions 89.79%
Float held by institutions 91.28%
Institutions 326
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Kim, LLC | 14.97% | 12,280,426 | 146.14M | Sep 29, 2024 |
| Blackrock Inc. | 5.68% | 4,664,325 | 55.51M | Sep 29, 2024 |
| Vanguard Group Inc | 5.04% | 4,133,995 | 49.19M | Sep 29, 2024 |
| FMR, LLC | 4.94% | 4,050,896 | 48.21M | Sep 29, 2024 |
| Oaktop Capital Management II, L.P. | 4.32% | 3,540,525 | 42.13M | Sep 29, 2024 |
| George Kaiser Family Foundation | 3.86% | 3,167,322 | 37.69M | Sep 29, 2024 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 2.94% | 2,414,267 | 28.73M | Sep 29, 2024 |
| iShares Russell 2000 ETF | 1.83% | 1,503,519 | 17.89M | Oct 30, 2024 |
| Needham Aggressive Growth Fund | 1.57% | 1,285,000 | 15.29M | Sep 29, 2024 |
| Federated Hermes Kaufmann Small Cap Fund | 1.22% | 998,600 | 11.88M | Jul 30, 2024 |
| American Century Small Cap Growth Fund | 1.19% | 977,208 | 11.63M | Sep 29, 2024 |
| Vanguard Extended Market Index Fund | 1.16% | 950,184 | 11.31M | Sep 29, 2024 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| BLALOCK REBECCA A | Director | Stock Award(Grant) | May 29, 2024 | 63,175 |
| KOOL KATHLEEN | Director | Stock Award(Grant) | May 29, 2024 | 13,583 |
| MITCHELL STEVEN RYAN | Director | Stock Award(Grant) | May 29, 2024 | 136,158 |
| NOETZEL MARK L | Director | Stock Award(Grant) | May 29, 2024 | 121,220 |
| NOGLOWS WILLIAM P | Director | Stock Award(Grant) | May 29, 2024 | 0 |
| ROBINSON CARI | Director | Stock Award(Grant) | Aug 13, 2024 | 1,876 |