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Aspen Aerogels (ASPN) Institutional Ownership

Aspen Aerogels logo
$4.62 +0.11 (+2.37%)
Closing price 07/31/2026 03:59 PM Eastern
Extended Trading
$4.64 +0.02 (+0.50%)
As of 07/31/2026 07:34 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Aspen Aerogels (NYSE:ASPN)

Current
Institutional Ownership
Percentage
97.64%
Number of
Institutional Buyers
(last 12 months)
102
Total
Institutional Inflows
(last 12 months)
$96.37M
Number of
Institutional Sellers
(last 12 months)
55
Total
Institutional Outflows
(last 12 months)
$53.91M
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ASPN Institutional Buying and Selling by Quarter

Aspen Aerogels Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/19/2026Bank of America Corp DE241,020$824K0.0%-68.0%0.291%
5/18/2026Royal Bank of Canada8,523$29K0.0%+95.8%0.010%
5/16/2026The Manufacturers Life Insurance Company 18,298$63K0.0%-13.5%0.022%
5/16/2026Lazard Asset Management LLC141,745$485K0.0%N/A0.171%
5/15/2026Rice Hall James & Associates LLC1,552,628$5.31M0.3%+9.2%1.873%
5/14/2026Public Employees Retirement System of Ohio62,700$214K0.0%N/A0.076%
5/13/2026First Trust Advisors LP181,234$620K0.0%-7.8%0.219%
5/7/2026Dimensional Fund Advisors LP1,256,480$4.30M0.0%-37.3%1.517%
5/5/2026Bank of New York Mellon Corp185,673$635K0.0%-5.7%0.224%
4/30/2026Hsbc Holdings PLC104,982$359K0.0%+350.1%0.127%
4/23/2026Inspire Investing LLC151,004$516K0.0%-9.5%0.182%
4/21/2026 Clarus Group Inc.10,504$36K0.0%N/A0.013%
3/20/2026Hsbc Holdings PLC23,326$66K0.0%N/A0.028%
3/3/2026Caitong International Asset Management Co. Ltd10,586$30K0.0%N/A0.013%
2/26/2026Aristides Capital LLC62,400$177K0.0%N/A0.075%
2/19/2026Invesco Ltd.4,129,934$11.69M0.0%+237.9%4.997%
2/18/2026XTX Topco Ltd202,030$572K0.0%+786.1%0.244%
2/18/2026Tudor Investment Corp ET AL79,171$224K0.0%-83.7%0.096%
2/18/2026Quadrature Capital Ltd35,583$101K0.0%+248.5%0.043%
2/18/2026Numerai GP LLC251,888$713K0.1%+1,277.9%0.305%
2/18/2026Oxford Asset Management LLP24,083$68K0.0%N/A0.029%
2/18/2026Odyssean LLC41,759$118K0.1%N/A0.051%
2/18/2026Millennium Management LLC870,951$2.47M0.0%-39.8%1.054%
2/18/2026Inspire Investing LLC166,874$472K0.0%+152.4%0.202%
2/18/2026Engineers Gate Manager LP119,227$337K0.0%N/A0.144%
2/18/2026Caption Management LLC36,100$102K0.0%+20.3%0.044%
2/17/2026Schonfeld Strategic Advisors LLC20,350$58K0.0%N/A0.025%
2/17/2026AQR Capital Management LLC369,949$1.05M0.0%+108.1%0.448%
2/17/2026Jain Global LLC87,835$249K0.0%N/A0.106%
2/17/2026Samjo Management LLC798,525$2.26M0.9%+134.3%0.966%
2/17/2026Jump Financial LLC551,071$1.56M0.0%+2.5%0.667%
2/17/2026Price T Rowe Associates Inc. MD98,299$279K0.0%+28.3%0.119%
2/17/2026California State Teachers Retirement System78,454$222K0.0%+29.3%0.095%
2/17/2026Russell Investments Group Ltd.95,651$271K0.0%-28.7%0.116%
2/17/2026State of Wisconsin Investment Board120,238$340K0.0%-53.2%0.145%
2/17/2026ExodusPoint Capital Management LP65,470$185K0.0%-43.8%0.079%
2/17/2026Graham Capital Management L.P.158,839$450K0.0%+50.0%0.192%
2/17/2026RBF Capital LLC100,000$283K0.0%N/A0.121%
2/17/2026Rice Hall James & Associates LLC1,421,605$4.02M0.2%+1.0%1.720%
2/17/2026Needham Investment Management LLC4,351,700$12.32M0.8%+26.5%5.265%
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2/16/2026Verition Fund Management LLC96,973$274K0.0%+47.0%0.117%
2/16/2026Sargent Investment Group LLC141,607$401K0.1%-25.2%0.171%
2/16/2026Healthcare of Ontario Pension Plan Trust Fund157,400$445K0.0%N/A0.190%
2/13/2026Marshall Wace LLP554,180$1.57M0.0%+77.5%0.671%
2/13/2026Samjo Management LLC798,525$2.26M0.9%+134.3%0.966%
2/13/2026AWM Investment Company Inc.41,092$116K0.0%-97.4%0.050%
2/13/2026FirstWave Capital Management LLC372,001$1.05M0.6%N/A0.450%
2/13/2026Charles Schwab Investment Management Inc.540,323$1.53M0.0%-5.6%0.654%
2/13/2026 Police & Firemen s Retirement System of New Jersey16,663$47K0.0%-21.1%0.020%
2/13/2026State Street Corp2,501,469$7.08M0.0%+28.6%3.027%
2/13/2026Dynamic Technology Lab Private Ltd103,281$292K0.1%N/A0.125%
2/13/2026Wells Fargo & Company MN82,170$233K0.0%+52.8%0.099%
2/13/2026Gagnon Securities LLC1,133,248$3.21M0.7%-35.4%1.371%
2/12/2026MetLife Investment Management LLC27,154$77K0.0%-10.8%0.033%
2/12/2026Aristides Capital LLC62,400$177K0.0%N/A0.075%
2/12/2026StoneX Group Inc.14,474$41K0.0%N/A0.018%
2/12/2026Dimensional Fund Advisors LP2,003,963$5.67M0.0%-11.0%2.425%
2/12/2026EntryPoint Capital LLC110,142$312K0.1%+69.0%0.133%
2/12/2026Federated Hermes Inc.564,486$1.60M0.0%+94.7%0.683%
2/12/2026 New York State Common Retirement Fund16,231$46K0.0%-97.7%0.020%
2/12/2026Ironwood Investment Management LLC127,460$361K0.2%-5.1%0.154%
2/12/2026 Alps Advisors Inc.116,372$329K0.0%-5.9%0.141%
2/11/2026Janney Montgomery Scott LLC14,093$40K0.0%-33.0%0.017%
2/11/2026Deutsche Bank AG223,093$631K0.0%+1.3%0.270%
2/11/2026LPL Financial LLC55,076$156K0.0%-50.3%0.067%
2/11/2026JPMorgan Chase & Co.1,483,745$4.20M0.0%+9.9%1.795%
2/11/2026Los Angeles Capital Management LLC118,664$336K0.0%-14.8%0.144%
2/11/2026Telemark Asset Management LLC1,000,000$2.83M0.3%-44.2%1.210%
2/11/2026WINTON GROUP Ltd14,200$40K0.0%N/A0.017%
2/10/2026Goldman Sachs Group Inc.1,294,928$3.67M0.0%-8.8%1.567%
2/10/2026Intech Investment Management LLC25,382$72K0.0%-43.6%0.031%
2/9/2026Geode Capital Management LLC1,602,049$4.54M0.0%+1.1%1.938%
2/9/2026Connors Investor Services Inc.55,167$156K0.0%+37.3%0.067%
2/6/2026Legato Capital Management LLC15,562$44K0.0%-83.4%0.019%
2/5/2026 ARS Investment Partners LLC40,765$115K0.0%-32.1%0.049%
2/4/2026First Eagle Investment Management LLC622,487$1.76M0.0%+20.3%0.753%
2/4/2026 Drive Wealth Management LLC10,655$30K0.0%N/A0.013%
2/3/2026Mitsubishi UFJ Asset Management Co. Ltd.131,468$380K0.0%+87.3%0.159%
2/2/2026WJ Financial Advisors LLC64,815$183K0.2%N/A0.078%
2/2/2026Oppenheimer & Co. Inc.77,021$218K0.0%-36.8%0.093%
1/29/2026 Concurrent Investment Advisors LLC30,000$85K0.0%N/A0.036%
1/23/2026Choreo LLC16,828$50K0.0%N/A0.020%
1/21/2026 Jefferson Bridge Capital LLC11,450$32K0.0%N/A0.014%
1/21/2026 Balance Wealth LLC10,297$29K0.0%N/A0.012%
1/9/2026SG Americas Securities LLC263,354$745K0.0%+227.5%0.319%
1/9/2026 Assenagon Asset Management S.A.97,002$275K0.0%N/A0.117%
1/1/2026JPMorgan Chase & Co.1,349,749$9.39M0.0%+8.3%1.633%
1/1/2026Tudor Investment Corp ET AL486,596$3.39M0.0%N/A0.589%
12/9/2025Tudor Investment Corp ET AL486,596$3.39M0.0%N/A0.589%
12/2/2025 IFP Advisors Inc12,021$84K0.0%-42.1%0.015%
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11/25/2025Connors Investor Services Inc.40,167$280K0.0%+14.2%0.049%
11/24/2025 Penn Capital Management Company LLC1,036,995$7.23M0.6%+39.0%1.255%
11/17/2025Caxton Associates LLP13,654$95K0.0%-86.8%0.017%
11/17/2025Voleon Capital Management LP138,538$964K0.0%-44.3%0.168%
11/17/2025Verition Fund Management LLC65,962$459K0.0%-30.7%0.080%
11/17/2025Sargent Investment Group LLC189,227$1.32M0.2%-8.0%0.229%
11/17/2025Qube Research & Technologies Ltd126,275$879K0.0%-50.6%0.153%
11/17/2025Prelude Capital Management LLC10,109$70K0.0%N/A0.012%
11/17/2025Numerai GP LLC18,280$127K0.0%N/A0.022%
11/17/2025Millennium Management LLC1,447,517$10.08M0.0%+59.6%1.751%


ASPN Institutional Ownership - Frequently Asked Questions

During the previous two years, 243 institutional investors and hedge funds held shares of Aspen Aerogels. The most heavily invested institutionals were FMR LLC ($112.17M), Driehaus Capital Management LLC ($51.44M), Encompass Capital Advisors LLC ($46.51M), Loomis Sayles & Co. L P ($44.84M), Oaktop Capital Management II L.P. ($44.44M), Hood River Capital Management LLC ($41.80M), and Vanguard Group Inc. ($31.39M).Learn more on Aspen Aerogels' institutional investors.

97.64% of Aspen Aerogels' stock is owned by institutional investors. Learn more on ASPN's institutional investor holdings.

Of the 221 institutional investors that purchased Aspen Aerogels' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Invesco Ltd. ($4.08M), Millennium Management LLC ($2.52M), Federated Hermes Inc. ($2.04M), Gagnon Securities LLC ($1.90M), Needham Investment Management LLC ($1.38M), AWM Investment Company Inc. ($1.27M), and Driehaus Capital Management LLC ($1.22M).

Institutional investors have bought a total of 20,018,179 shares in the last 24 months. This purchase volume represents approximately $96.37M in transactions.

Of the 55 institutional investors that sold Aspen Aerogels' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: AWM Investment Company Inc. ($2.53M), Federated Hermes Inc. ($1.48M), Dimensional Fund Advisors LP ($1.19M), Telemark Asset Management LLC ($892.42K), Gagnon Securities LLC ($765.86K), New York State Common Retirement Fund ($703.79K), and Millennium Management LLC ($576.57K).

Institutional investors have sold a total of 12,059,970 shares in the last 24 months. This volume of shares sold represents approximately $53.91M in transactions.


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This page (NYSE:ASPN) was last updated on 8/1/2026 by MarketBeat.com Staff.
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