ASPEN AEROGELS INC's ticker is ASPN and the CUSIP is 04523Y105. A total of 47 filers reported holding ASPEN AEROGELS INC in Q4 2015. The put-call ratio across all filers is - and the average weighting 0.3%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Jetstream Capital LLC | 370,000 | $3,411,000 | 7.25% |
| Samjo Capital LLC | 584,000 | $5,384,000 | 6.57% |
| OAKTOP CAPITAL MANAGEMENT II, L.P. | 3,194,758 | $29,455,000 | 5.92% |
| GEORGE KAISER FAMILY FOUNDATION | 3,167,322 | $29,203,000 | 5.12% |
| AFTON CAPITAL MANAGEMENT LLC | 167,119 | $1,541,000 | 5.04% |
| Cowen Prime Advisors LLC | 731,350 | $6,743,000 | 3.87% |
| Telemark Asset Management, LLC | 2,000,000 | $18,440,000 | 2.90% |
| KIM, LLC | 5,254,110 | $48,443,000 | 2.26% |
| NEEDHAM INVESTMENT MANAGEMENT LLC | 983,100 | $9,065,000 | 1.78% |
| Trellus Management Company, LLC | 106,463 | $982,000 | 1.19% |