ASPEN AEROGELS INC - COMMON STOCK (ASPN)

Q1 2015 13F Holders as of 31 Mar 2015

Type / Class
Equity / COMMON STOCK
Shares outstanding
81,738,225
Total 13F shares
18,811,648
Share change
-427,251
Total reported value
$137,040,953
Price per share
$7.28
Number of holders
40
Value change
-$3,131,332
Number of buys
22
Number of sells
10

Institutional Holders of ASPEN AEROGELS INC - COMMON STOCK (ASPN) as of Q1 2015

As of 31 Mar 2015, ASPEN AEROGELS INC - COMMON STOCK (ASPN) was held by 40 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 18,811,648 shares. The largest 10 holders included FMR LLC, GEORGE KAISER FAMILY FOUNDATION, Reservoir Operations, L.P., WELLINGTON MANAGEMENT GROUP LLP, PRICE T ROWE ASSOCIATES INC /MD/, GILDER GAGNON HOWE & CO LLC, Pine River Capital Management L.P., FEDERATED INVESTORS INC /PA/, CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM, and NBW CAPITAL LLC. This page lists 40 institutional shareholders reporting positions in this security for the Q1 2015 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.