Aspen Aerogels Ownership

Who are the major shareholders and have insiders been buying or selling?


Recent Insider Transactions

NYSE:ASPN Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
20 Nov 23SellUS$1,707Gregg LandesIndividual155US$11.01
07 Sep 23BuyUS$49,009Steven MitchellIndividual7,541US$6.50
05 Sep 23BuyUS$308,455Steven MitchellIndividual50,000US$6.17
22 Aug 23BuyUS$22,581Mark NoetzelIndividual4,000US$5.65
08 Aug 23BuyUS$170,698Donald YoungIndividual25,000US$6.83

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.


Ownership Breakdown

What is the ownership structure of ASPN?
Owner TypeNumber of SharesOwnership Percentage
Private Companies8,9700.0114%
Individual Insiders1,270,5821.61%
Institutions77,448,66298.4%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 9.4%.


Top Shareholders

Top 25 shareholders own 82.4% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
20.6%
Spring Creek Capital, LLC
15,780,426US$249.8m0%26.38%
5.29%
BlackRock, Inc.
4,054,986US$64.2m4.68%no data
4.49%
The Vanguard Group, Inc.
3,443,796US$54.5m-0.06%no data
4.17%
Oaktop Capital Management II, L.P.
3,194,758US$50.6m0%5.84%
4.13%
George Kaiser Family Foundation, Endowment Arm
3,167,322US$50.1m0%9.61%
3.87%
Needham Investment Management, LLC
2,967,400US$47.0m17.4%4.76%
3.84%
Hood River Capital Management LLC
2,942,548US$46.6m0%1.14%
3.04%
FMR LLC
2,328,137US$36.9m2.15%no data
2.97%
Samjo Management, LLC
2,276,150US$36.0m-24.5%12.84%
2.8%
AWM Investment Company Inc
2,146,428US$34.0m29.2%4.54%
2.64%
Encompass Capital Advisors LLC
2,027,532US$32.1m0%1.65%
2.49%
Cowen Prime Advisors LLC
1,911,500US$30.3m0%13.23%
2.41%
Columbia Management Investment Advisers, LLC
1,848,520US$29.3m110%0.01%
2.35%
Aigh Capital Management, LLC
1,804,484US$28.6m2.99%11.52%
2.24%
Royce & Associates, LP
1,719,083US$27.2m17.8%0.22%
1.95%
Telemark Asset Management, LLC
1,492,424US$23.6m19.4%2.91%
1.89%
Frontier Capital Management Co LLC
1,451,757US$23.0m50.7%0.2%
1.68%
State Street Global Advisors, Inc.
1,285,042US$20.3m8.37%no data
1.51%
Federated Hermes, Inc.
1,154,042US$18.3m53.9%0.05%
1.47%
Teachers Insurance and Annuity Association-College Retirement Equities Fund
1,123,572US$17.8m10.4%no data
1.45%
Geode Capital Management, LLC
1,112,657US$17.6m3.48%no data
1.41%
UniSuper Management Pty Ltd
1,083,836US$17.2m0%0.16%
1.36%
Ardsley Advisory Partners LP
1,046,000US$16.6m-32.3%3.23%
1.3%
Driehaus Capital Management LLC
996,043US$15.8m62.4%0.11%
1.06%
Dimensional Fund Advisors LP
815,769US$12.9m240%no data
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