ASPN - Aspen Aerogels, Inc.

NYSE - NYSE Delayed Price. Currency in USD

Major Holders

Currency in USD
Breakdown
3.75%% of Shares Held by All Insider
68.63%% of Shares Held by Institutions
71.30%% of Float Held by Institutions
48Number of Institutions Holding Shares

Top Institutional Holders

HolderSharesDate Reported% OutValue
George Kaiser Family Foundation3,167,322Mar 30, 201913.06%8,076,671
Oaktop Capital Management II, L.P.2,593,272Mar 30, 201910.70%6,612,843
Telemark Asset Management, LLC1,514,500Mar 30, 20196.25%3,861,975
Ariel Investments, LLC1,465,380Mar 30, 20196.04%3,736,719
Needham Investment Management, L.L.C.1,130,400Mar 30, 20194.66%2,882,520
Harvey Partners, LLC1,000,000Mar 30, 20194.12%2,550,000
Royce & Associates LP870,475Mar 30, 20193.59%2,219,711
Cowen Prime Services LLC740,900Mar 30, 20193.06%1,889,295
Next Century Growth Investors LLC636,772Mar 30, 20192.63%1,623,768
Renaissance Technologies, LLC550,801Mar 30, 20192.27%1,404,542

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
Heartland Value Fund550,000Dec 30, 20182.27%1,171,500
Needham Small Cap Growth Fund495,450Mar 30, 20192.04%1,263,397
Needham Growth Fund434,050Mar 30, 20191.79%1,106,827
Royce Opportunity Fund305,354Dec 30, 20181.26%650,404
Vanguard Extended Market Index Fund229,377Dec 30, 20180.95%488,573
Needham Aggressive Growth Fund165,450Mar 30, 20190.68%421,897
Ariel Discovery Fund120,300Dec 30, 20180.50%256,239
Bridgeway Funds Inc-Ultra Small Company Market Fund117,100Dec 30, 20180.48%249,423
Jacob Micro Cap Growth Fd110,000Mar 30, 20190.45%280,500
Royce Micro Cap Trust94,985Sep 29, 20180.39%434,081