MESIROW FINANCIAL INVESTMENT MANAGEMENT - Fixed Income - ASPEN AEROGELS INC ownership

ASPEN AEROGELS INC's ticker is ASPN and the CUSIP is 04523Y105. A total of 54 filers reported holding ASPEN AEROGELS INC in Q4 2016. The put-call ratio across all filers is - and the average weighting 0.4%.

Quarter-by-quarter ownership
MESIROW FINANCIAL INVESTMENT MANAGEMENT - Fixed Income ownership history of ASPEN AEROGELS INC
ValueSharesWeighting
Q1 2017$296,000
+27.6%
71,412
+27.3%
0.02%
+42.9%
Q4 2016$232,000
+7.4%
56,097
+54.8%
0.01%
+7.7%
Q3 2016$216,00036,2470.01%
Other shareholders
ASPEN AEROGELS INC shareholders Q4 2016
NameSharesValueWeighting ↓
GEORGE KAISER FAMILY FOUNDATION 3,167,322$109,209,00017.83%
OAKTOP CAPITAL MANAGEMENT II, L.P. 2,939,758$101,363,00014.47%
AMH Equity Ltd 321,414$11,082,00011.49%
Samjo Capital LLC 345,000$11,896,00010.17%
AFTON CAPITAL MANAGEMENT LLC 127,343$4,391,0009.34%
Telemark Asset Management, LLC 1,820,000$62,754,0005.54%
Cowen Prime Advisors LLC 367,280$12,664,0005.33%
SPRING CREEK CAPITAL LLC 3,462,124$119,374,0004.72%
KOCH INDUSTRIES INC 1,791,986$61,788,0004.33%
NEEDHAM INVESTMENT MANAGEMENT LLC 661,500$22,809,0003.30%
View complete list of ASPEN AEROGELS INC shareholders