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Aspen Aerogels Inc

ASPN
Exchange
NYSE
Industry
Wholesale-Lumber & Other Construction Materials
SEC CIK
0001145986

In the last 90 days, Aspen Aerogels Inc insiders filed 0 open-market purchases and 1 sale; 179 institutions reported holding it in 13F filings for Q2 2026, worth $464.9M in total; no superinvestor holds it.

13F holders, Q2 2021

Institutional positions in Aspen Aerogels Inc as of Jun 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
115
+30 vs. Q1 2021
Shares held
28.4M
+4.71M (+19.9%) vs. Q1 2021
Total value
$849.9M
+$367.7M (+76.3%) vs. Q1 2021
New holders
36
34 more added
Sold out
6
29 more reduced

Compare with Q1 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ASPN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2021: 115 institutions
Q1 2021: 85 institutionsQ2 2021: 115 institutionsQ3 2021: 130 institutionsQ4 2021: 159 institutionsQ1 2022: 145 institutionsQ2 2022: 148 institutionsQ3 2022: 140 institutionsQ4 2022: 164 institutionsQ1 2023: 156 institutionsQ2 2023: 159 institutionsQ3 2023: 159 institutionsQ4 2023: 170 institutionsQ1 2024: 167 institutionsQ2 2024: 222 institutionsQ3 2024: 243 institutionsQ4 2024: 231 institutionsQ1 2025: 221 institutionsQ2 2025: 182 institutionsQ3 2025: 204 institutionsQ4 2025: 183 institutionsQ1 2026: 166 institutionsQ2 2026: 179 institutions
Value heldQ2 2021: $849.9M
Q1 2021: $482.2MQ2 2021: $849.9MQ3 2021: $1.27BQ4 2021: $1.42BQ1 2022: $1.09BQ2 2022: $366.3MQ3 2022: $344.0MQ4 2022: $793.4MQ1 2023: $498.6MQ2 2023: $524.6MQ3 2023: $582.9MQ4 2023: $1.18BQ1 2024: $1.31BQ2 2024: $1.69BQ3 2024: $1.93BQ4 2024: $868.2MQ1 2025: $455.4MQ2 2025: $423.4MQ3 2025: $496.8MQ4 2025: $199.0MQ1 2026: $236.7MQ2 2026: $464.9M
Institutions holding ASPN and their total value by quarter
QuarterHoldersValue
Q2 2026179$464.9M
Q1 2026166$236.7M
Q4 2025183$199.0M
Q3 2025204$496.8M
Q2 2025182$423.4M
Q1 2025221$455.4M
Q4 2024231$868.2M
Q3 2024243$1.93B
Q2 2024222$1.69B
Q1 2024167$1.31B
Q4 2023170$1.18B
Q3 2023159$582.9M
Q2 2023159$524.6M
Q1 2023156$498.6M
Q4 2022164$793.4M
Q3 2022140$344.0M
Q2 2022148$366.3M
Q1 2022145$1.09B
Q4 2021159$1.42B
Q3 2021130$1.27B
Q2 2021115$849.9M
Q1 202185$482.2M

Institutions, Q2 2021

Shares, value and share of portfolio for each institution holding Aspen Aerogels Inc; share changes are against Q1 2021.

Institutions holding ASPN in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
TFC Financial Management2$00.00%00.0%Unchanged
Kelly Financial Services LLC4,189$1400.01%+4,049+2,892.1%Added
Advisor Group Holdings, Inc.115$3.00K0.00%00.0%Unchanged
Geneos Wealth Management Inc.227$7.00K0.00%+126+124.8%Added
Reilly Financial Advisors, LLC400$12.0K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA670$20.0K0.00%−7,650−91.9%Reduced
Tower Research Capital LLC (TRC)906$27.0K0.00%+88+10.8%Added
Pinz Capital Management, LP900$27.0K0.01%+900New
Macquarie Group Ltd1,439$43.0K0.00%+387+36.8%Added
RPg Family Wealth Advisory, LLC1,519$45.4K0.02%+1,519New
Ameritas Investment Partners, Inc.1,806$54.0K0.00%00.0%Unchanged
Dorsey Wright & Associates2,115$63.0K0.01%00.0%Unchanged
Legal & General Group Plc2,260$68.0K0.00%+397+21.3%Added
Cubist Systematic Strategies, LLC2,644$79.0K0.00%+2,644New
Barclays PLC2,828$84.0K0.00%−14,440−83.6%Reduced
Parisi Gray Wealth Management3,516$105.0K0.04%+3,516New
Alpha Paradigm Partners, LLC4,359$130.0K0.05%−40,656−90.3%Reduced
SG3 Management, LLC6,000$180.0K0.08%00.0%Unchanged
Metropolitan Life Insurance Co6,129$183.4K0.00%00.0%Unchanged
Bank of America Corp6,905$207.0K0.00%−24,621−78.1%Reduced
Parametric Portfolio Associates LLC6,987$209.0K0.00%+6,987New
EAM Investors, LLC7,428$222.0K0.03%−121,817−94.3%Reduced
HighMark Wealth Management LLC5,500$239.0K0.18%−2,500−31.3%Reduced
Voya Investment Management LLC8,651$259.0K0.00%+8,651New
Taylor, Cottrill, Erickson & Associates, Inc.9,000$269.0K0.04%+9,000New
State Board of Administration of Florida Retirement System9,221$276.0K0.00%+9,221New
MetLife Investment Management9,340$279.5K0.00%00.0%Unchanged
ARS Investment Partners, LLC9,489$284.0K0.03%+9,489New
Choate Investment Advisors10,362$310.0K0.02%+10,362New
EAM Global Investors LLC10,472$313.0K0.09%−82,172−88.7%Reduced
Jane Street Group, LLC10,703$321.0K0.00%+10,703New
Gsa Capital Partners LLP11,239$336.0K0.04%+11,239New
Simplex Trading, LLC11,567$346.0K0.01%−18,337−61.3%Reduced
Jump Financial, LLC11,776$352.0K0.03%+11,776New
American International Group, Inc.12,104$362.0K0.00%+65+0.5%Added
Royal Bank of Canada12,543$375.0K0.00%+11,031+729.6%Added
Sargent Investment Group, LLC13,155$394.0K0.09%+13,155New
Manufacturers Life Insurance Company, The13,573$406.0K0.00%+1,410+11.6%Added
Woodmont Investment Counsel LLC13,685$409.0K0.06%+1,500+12.3%Added
Deutsche Bank AG13,831$414.0K0.00%−75,159−84.5%Reduced
Wolverine Trading, LLC18,331$441.0K0.01%+18,331New
Bradley Foster & Sargent Inc15,398$461.0K0.01%+15,398New
Wells Fargo & Company16,214$486.0K0.00%−6,793−29.5%Reduced
Rhumbline Advisers17,521$524.0K0.00%−7,655−30.4%Reduced
Appian Way Asset Management LP17,900$536.0K0.36%+17,900New
Panagora Asset Management Inc17,953$537.0K0.00%−49,248−73.3%Reduced
Citigroup Inc18,461$552.0K0.00%+17,093+1,249.5%Added
PEAK6 Investments LLC18,583$556.0K0.01%+18,583New
New York State Common Retirement Fund18,860$564.0K0.00%+160+0.9%Added
AQR Capital Management LLC20,274$607.0K0.00%−3,168−13.5%Reduced
Assenagon Asset Management S.A.22,155$663.0K0.00%+22,155New
Squarepoint Ops LLC23,626$707.0K0.01%+23,626New
Harel Insurance Investments & Financial Services Ltd.25,887$775.0K0.02%+25,887New
California State Teachers Retirement System29,772$891.0K0.00%−1,376−4.4%Reduced
Citadel Advisors LLC31,078$930.0K0.00%−18,121−36.8%Reduced
Bridgewater Advisors Inc.33,000$987.0K0.31%+33,000New
Firsthand Capital Management, Inc.35,000$1.05M0.26%00.0%Unchanged
JPMorgan Chase & Co35,952$1.08M0.00%−30,369−45.8%Reduced
Bank of Montreal45,001$1.11M0.00%+19,382+75.7%Added
Nomura Holdings Inc40,000$1.19M0.01%00.0%Unchanged
Morgan Stanley40,946$1.23M0.00%−206,859−83.5%Reduced
Tygh Capital Management, Inc.42,099$1.26M0.17%+42,099New
Guggenheim Capital LLC43,060$1.29M0.01%+43,060New
Apis Capital Advisors, LLC45,000$1.35M1.16%+45,000New
Collaborative Holdings Management LP50,000$1.50M0.72%+50,000New
Ardsley Advisory Partners LP50,500$1.51M0.25%+50,500New
Caption Management, LLC52,480$1.57M0.14%+52,480New
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.54,646$1.64M0.01%+54,646New
Goldman Sachs Group Inc55,697$1.67M0.00%−7,971−12.5%Reduced
Charles Schwab Investment Management Inc57,797$1.73M0.00%+3,565+6.6%Added
SG Americas Securities, LLC59,858$1.79M0.01%+59,858New
Manatuck Hill Partners, LLC60,000$1.79M0.54%+60,000New
Millrace Asset Group, Inc.63,841$1.91M1.00%+41,796+189.6%Added
Bank of New York Mellon Corp66,487$1.99M0.00%−10,773−13.9%Reduced
Nuveen Asset Management, LLC68,937$2.06M0.00%−21,215−23.5%Reduced
Jefferies Group LLC70,000$2.09M0.04%+1,450+2.1%Added
Shay Capital LLC74,294$2.22M0.53%+14,794+24.9%Added
Greenwood Capital Associates LLC75,888$2.27M0.34%+2,658+3.6%Added
UBS Group AG83,110$2.49M0.00%+56,937+217.5%Added
Invesco Ltd.86,374$2.58M0.00%+86,374New
Roubaix Capital, LLC88,754$2.66M1.66%−102,086−53.5%Reduced
Susquehanna International Group, LLP92,221$2.76M0.00%−33,422−26.6%Reduced
Trellus Management Company, LLC105,563$3.16M2.56%00.0%Unchanged
Worth Venture Partners, LLC146,687$4.39M1.64%00.0%Unchanged
Point72 Asset Management, L.P.156,100$4.67M0.02%+156,100New
Kennedy Capital Management, Inc.196,927$5.89M0.13%+57,193+40.9%Added
Granite Point Capital Management, L.P.210,000$6.28M1.86%−94,076−30.9%Reduced
Northern Trust Corp224,990$6.73M0.00%+5,835+2.7%Added
RK Capital Management, LLC226,753$6.78M1.27%+226,753New
Renaissance Technologies LLC245,151$7.33M0.01%−169,800−40.9%Reduced
Silvercrest Asset Management Group LLC280,198$8.38M0.05%+36,128+14.8%Added
Harvey Partners, LLC300,000$8.98M6.42%+25,000+9.1%Added
Baird Financial Group, Inc.359,005$10.7M0.03%+21,199+6.3%Added
Samjo Capital LLC361,000$10.8M7.31%+16,000+4.6%Added
Dimensional Fund Advisors LP391,223$11.7M0.00%−15,935−3.9%Reduced
Geode Capital Management, LLC406,689$12.2M0.00%+24,234+6.3%Added
Millennium Management LLC442,761$13.2M0.02%+355,277+406.1%Added
Cowen Prime Services LLC459,200$13.7M4.98%+69,700+17.9%Added
Cowen Prime Advisors LLC459,200$13.7M4.98%+459,200New
Price T Rowe Associates Inc507,084$15.2M0.00%−89,683−15.0%Reduced