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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, Q4 2021

Institutional positions in Aspen Aerogels Inc as of Dec 31, 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
159
+29 vs. Q3 2021
Shares held
28.5M
+954.5K (+3.5%) vs. Q3 2021
Total value
$1.42B
+$152.1M (+12.0%) vs. Q3 2021
New holders
39
47 more added
Sold out
10
50 more reduced

Compare with Q3 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 holdersQ4 2021: 159 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 heldQ4 2021: $1.42B
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, Q4 2021

Shares, value and share of portfolio for each institution holding Aspen Aerogels Inc; share changes are against Q3 2021.

Institutions holding ASPN in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Ellevest, Inc.9$00.00%00.0%Unchanged
TFC Financial Management2$00.00%00.0%Unchanged
Covestor Ltd9$00.00%+9New
Toth Financial Advisory Corp18$1.00K0.00%+18New
Fortitude Advisory Group L.L.C.19$1.00K0.00%+19New
Harbour Investments, Inc.80$4.00K0.00%+80New
Kelly Financial Services LLC140$6.97K0.00%00.0%Unchanged
TCI Wealth Advisors, Inc.138$7.00K0.00%+35+34.0%Added
Captrust Financial Advisors131$7.00K0.00%+131New
Geneos Wealth Management Inc.227$11.0K0.00%00.0%Unchanged
Reilly Financial Advisors, LLC400$20.0K0.00%00.0%Unchanged
Ahrens Investment Partners LLC408$20.0K0.01%+408New
Tower Research Capital LLC (TRC)432$22.0K0.00%+254+142.7%Added
PEAK6 Investments LLC508$25.0K0.00%+508New
Banque Cantonale Vaudoise672$33.0K0.00%00.0%Unchanged
First Command Bank900$41.0K0.01%00.0%Unchanged
First Command Financial Services, Inc.900$45.0K0.01%00.0%Unchanged
STRS Ohio1,100$54.0K0.00%00.0%Unchanged
Macquarie Group Ltd1,174$58.0K0.00%+102+9.5%Added
RPg Family Wealth Advisory, LLC1,519$75.6K0.03%00.0%Unchanged
Ameritas Investment Partners, Inc.1,806$90.0K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.1,847$92.0K0.00%+766+70.9%Added
SG Americas Securities, LLC2,429$121.0K0.00%−5,401−69.0%Reduced
HighMark Wealth Management LLC2,500$124.0K0.08%−1,500−37.5%Reduced
Dorsey Wright & Associates2,655$132.0K0.03%+360+15.7%Added
KRS Capital Management, LLC2,700$134.0K0.11%+2,700New
Marshall Wace, LLP2,846$141.0K0.00%+2,846New
Taylor, Cottrill, Erickson & Associates, Inc.4,500$224.0K0.07%−4,500−50.0%Reduced
Two Sigma Advisers, LP4,600$229.0K0.00%−100−2.1%Reduced
ProShare Advisors LLC4,819$240.0K0.00%+4,819New
RBF Capital, LLC5,000$249.0K0.02%00.0%Unchanged
Harel Insurance Investments & Financial Services Ltd.5,175$253.0K0.00%−14,706−74.0%Reduced
Crossmark Global Holdings, Inc.5,086$253.0K0.01%+5,086New
Teacher Retirement System of Texas5,177$258.0K0.00%+5,177New
State of Wisconsin Investment Board5,300$264.0K0.00%−2,300−30.3%Reduced
Janus Henderson Group PLC5,296$264.0K0.00%+5,296New
Abbot Financial Management, Inc.5,653$281.0K0.13%+5,653New
Metropolitan Life Insurance Co5,708$284.2K0.00%−821−12.6%Reduced
Andrew Hill Investment Advisors, Inc.5,745$286.0K0.27%+5,745New
BNP Paribas Arbitrage, SA6,944$345.7K0.00%+3,210+86.0%Added
Arizona State Retirement System7,116$354.0K0.00%+7,116New
MetLife Investment Management7,483$372.6K0.00%00.0%Unchanged
Voya Investment Management LLC8,566$427.0K0.00%−85−1.0%Reduced
Legal & General Group Plc8,714$434.0K0.00%+6,418+279.5%Added
Guggenheim Capital LLC8,973$447.0K0.00%−23,777−72.6%Reduced
National Bank of Canada8,982$447.0K0.00%+8,982New
State Board of Administration of Florida Retirement System9,098$453.0K0.00%−303−3.2%Reduced
Occudo Quantitative Strategies LP9,404$468.0K0.04%+1,390+17.3%Added
Brookfield Asset Management Inc.10,020$499.0K0.00%+10,020New
Brown Advisory Inc10,031$499.0K0.00%+10,031New
Caption Management, LLC10,100$502.0K0.03%−8,600−46.0%Reduced
Thompson Davis & Co., Inc.10,200$508.0K0.42%+10,200New
Citigroup Inc10,218$509.0K0.00%−7,885−43.6%Reduced
San Luis Wealth Advisors LLC10,640$530.0K0.54%+10,640New
Wolverine Trading, LLC11,409$558.0K0.01%+5,304+86.9%Added
Manufacturers Life Insurance Company, The11,406$568.0K0.00%−249−2.1%Reduced
Engineers Gate Manager LP11,415$568.0K0.03%+1,652+16.9%Added
Quantbot Technologies LP11,638$579.0K0.05%+9,238+384.9%Added
American International Group, Inc.11,721$584.0K0.00%−350−2.9%Reduced
Boothbay Fund Management, LLC12,000$597.0K0.02%00.0%Unchanged
Bradley Foster & Sargent Inc12,362$616.0K0.01%−2,980−19.4%Reduced
Prudential Financial Inc12,800$637.0K0.00%+12,800New
Jane Street Group, LLC13,297$662.0K0.00%−19,659−59.7%Reduced
Squarepoint Ops LLC13,586$676.0K0.00%−4,219−23.7%Reduced
Walleye Capital LLC13,949$695.0K0.02%+13,949New
Royal Bank of Canada13,987$696.0K0.00%+3,243+30.2%Added
Deutsche Bank AG14,129$703.0K0.00%−2,261−13.8%Reduced
Bank of America Corp14,417$718.0K0.00%+7,926+122.1%Added
New York State Common Retirement Fund15,569$775.0K0.00%−19−0.1%Reduced
ARS Investment Partners, LLC15,743$784.0K0.07%+7,350+87.6%Added
SEI Investments Co17,191$856.0K0.00%−2,287−11.7%Reduced
Credit Suisse AG17,245$859.0K0.00%+17,245New
Luminus Management LLC17,300$861.0K0.20%+17,300New
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.18,908$958.0K0.00%−32,250−63.0%Reduced
Rhumbline Advisers19,707$981.0K0.00%+119+0.6%Added
Manatuck Hill Partners, LLC20,300$1.01M0.38%00.0%Unchanged
Choate Investment Advisors20,362$1.01M0.06%00.0%Unchanged
HRT Financial LP20,867$1.04M0.01%+8,605+70.2%Added
Cubist Systematic Strategies, LLC21,009$1.05M0.01%−6,191−22.8%Reduced
Woodmont Investment Counsel LLC21,460$1.07M0.14%00.0%Unchanged
Alliancebernstein L.P.22,300$1.11M0.00%+2,600+13.2%Added
Aquila Investment Management LLC23,000$1.15M0.55%+23,000New
Assenagon Asset Management S.A.23,741$1.18M0.00%+14,826+166.3%Added
Barclays PLC26,769$1.33M0.00%+17,756+197.0%Added
Voloridge Investment Management, LLC28,425$1.42M0.01%+28,425New
American Century Companies Inc28,528$1.42M0.00%+28,528New
Polarity Investment Partners LP28,614$1.43M3.01%+28,614New
Bridgewater Advisors Inc.31,000$1.54M0.34%+6,000+24.0%Added
Alpha Paradigm Partners, LLC32,186$1.60M0.64%+6,929+27.4%Added
Parametric Portfolio Associates LLC32,526$1.62M0.00%−542−1.6%Reduced
JPMorgan Chase & Co32,674$1.63M0.00%+19,613+150.2%Added
Renaissance Technologies LLC34,151$1.70M0.00%−74,600−68.6%Reduced
California State Teachers Retirement System34,318$1.71M0.00%+22,364+187.1%Added
Firsthand Capital Management, Inc.35,000$1.74M0.66%00.0%Unchanged
Picton Mahoney Asset Management35,700$1.78M0.06%+35,700New
Millrace Asset Group, Inc.37,324$1.86M1.08%−7,769−17.2%Reduced
Millennium Management LLC38,538$1.92M0.00%−117,972−75.4%Reduced
AQR Capital Management LLC38,541$1.92M0.00%+15,132+64.6%Added
Goldman Sachs Group Inc42,385$2.11M0.00%+22,147+109.4%Added
Allspring Global Investments Holdings, LLC44,504$2.21M0.00%+44,504New