Cortina Asset Management, LLC - ASPEN AEROGELS INC ownership

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
Cortina Asset Management, LLC ownership history of ASPEN AEROGELS INC
ValueSharesWeighting
Q4 2015$5,455,000898,7350.25%
Other shareholders
ASPEN AEROGELS INC shareholders Q4 2015
NameSharesValueWeighting ↓
KIM, LLC 12,280,426$292,888,16026.17%
GEORGE KAISER FAMILY FOUNDATION 3,167,322$75,540,63013.35%
Samjo Management, LLC 1,038,500$24,768,2259.22%
OAKTOP CAPITAL MANAGEMENT II, L.P. 3,340,525$79,671,5218.16%
Firsthand Capital Management, Inc. 5,000$3,374,4006.56%
NEEDHAM INVESTMENT MANAGEMENT LLC 2,299,729$54,848,5374.51%
AWM Investment Company, Inc. 1,188,202$28,338,6183.83%
Telemark Asset Management, LLC 1,492,424$35,594,3123.10%
Encompass Capital Advisors LLC 1,950,000$46,507,5002.52%
Sargent Investment Group, LLC 317,539$7,573,3051.54%
View complete list of ASPEN AEROGELS INC shareholders