ASPEN AEROGELS INC - Common Stock, par value $0.00001 per share (ASPN)

Q1 2015 13F Holders as of 3/31/2015

Type / Class: Equity / Common Stock, par value $0.00001 per share
Shares outstanding: 82.1M
Number of holders: 39
Total 13F shares, excl. options: 18.8M
Shares change: -427K
Total reported value, excl. options: $137M
Value change: -$3.13M
Number of buys: 22
Number of sells: -10
Price: $7.28

Significant Holders of ASPEN AEROGELS INC - Common Stock, par value $0.00001 per share (ASPN) as of Q1 2015

41 filings reported holding ASPN - ASPEN AEROGELS INC - Common Stock, par value $0.00001 per share as of Q1 2015.
ASPEN AEROGELS INC - Common Stock, par value $0.00001 per share (ASPN) has 39 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 18.8M shares of 82.1M outstanding shares and own 22.9% of the company stock.
Largest 10 shareholders include FMR LLC (5.3M shares), GEORGE KAISER FAMILY FOUNDATION (3.17M shares), Reservoir Operations, L.P. (2.92M shares), WELLINGTON MANAGEMENT GROUP LLP (1.7M shares), PRICE T ROWE ASSOCIATES INC /MD/ (1.52M shares), GILDER GAGNON HOWE & CO LLC (1.32M shares), Pine River Capital Management L.P. (1.04M shares), FEDERATED INVESTORS INC /PA/ (436K shares), CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM (305K shares), and NBW CAPITAL LLC (216K shares).
This table shows the top 39 institutional shareholders of the company equity. This data is sourced directly from the SEC via 13F filings.

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.