ASPEN AEROGELS INC's ticker is ASPN and the CUSIP is 04523Y105. A total of 162 filers reported holding ASPEN AEROGELS INC in Q4 2021. The put-call ratio across all filers is 0.30 and the average weighting 0.8%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GEORGE KAISER FAMILY FOUNDATION | 3,167,322 | $109,209,000 | 17.83% |
| OAKTOP CAPITAL MANAGEMENT II, L.P. | 2,939,758 | $101,363,000 | 14.47% |
| AMH Equity Ltd | 321,414 | $11,082,000 | 11.49% |
| Samjo Capital LLC | 345,000 | $11,896,000 | 10.17% |
| AFTON CAPITAL MANAGEMENT LLC | 127,343 | $4,391,000 | 9.34% |
| Telemark Asset Management, LLC | 1,820,000 | $62,754,000 | 5.54% |
| Cowen Prime Advisors LLC | 367,280 | $12,664,000 | 5.33% |
| SPRING CREEK CAPITAL LLC | 3,462,124 | $119,374,000 | 4.72% |
| KOCH INDUSTRIES INC | 1,791,986 | $61,788,000 | 4.33% |
| NEEDHAM INVESTMENT MANAGEMENT LLC | 661,500 | $22,809,000 | 3.30% |