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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, Q3 2023

Institutional positions in Aspen Aerogels Inc as of Sep 30, 2023. 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
+1 vs. Q2 2023
Shares held
67.8M
+3.17M (+4.9%) vs. Q2 2023
Total value
$582.9M
+$73.3M (+14.4%) vs. Q2 2023
New holders
21
47 more added
Sold out
20
60 more reduced

1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: 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 holdersQ3 2023: 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 heldQ3 2023: $582.9M
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, Q3 2023

Shares, value and share of portfolio for each institution holding Aspen Aerogels Inc; share changes are against Q2 2023.

Institutions holding ASPN in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Covestor Ltd16$00.00%−2−11.1%Reduced
TFC Financial Management2$180.00%00.0%Unchanged
GWM Advisors LLC3$260.00%−144−98.0%Reduced
Federation des caisses Desjardins du Quebec15$1290.00%+15New
Quadrant Capital Group LLC19$1640.00%−276−93.6%Reduced
Nisa Investment Advisors, LLC30$2580.00%+10+50.0%Added
Allworth Financial LP46$3960.00%−7−13.2%Reduced
Mendota Financial Group, LLC47$4050.00%00.0%Unchanged
Colonial Trust Advisors50$4300.00%00.0%Unchanged
Clearstead Advisors, LLC100$8600.00%+100New
CWM, LLC74$1.00K0.00%−345−82.3%Reduced
Toronto Dominion Bank158$1.36K0.00%00.0%Unchanged
HHM Wealth Advisors, LLC200$1.72K0.00%00.0%Unchanged
HighMark Wealth Management LLC250$2.15K0.00%00.0%Unchanged
Red Tortoise LLC271$2.33K0.00%+271New
Performa Ltd (US), LLC273$2.35K0.00%−177−39.3%Reduced
Signaturefd, LLC297$2.55K0.00%+50+20.2%Added
First Horizon Advisors, Inc.485$4.17K0.00%+132+37.4%Added
IFP Advisors, Inc495$4.26K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.600$5.16K0.00%−33−5.2%Reduced
US Bancorp659$5.67K0.00%+435+194.2%Added
Colonial Trust Co728$6.26K0.00%00.0%Unchanged
Lindbrook Capital, LLC738$6.35K0.00%+738New
AlphaMark Advisors, LLC1,000$9.00K0.00%+1,000New
Umb Bank N A1,200$10.3K0.00%+1,200New
Cubist Systematic Strategies, LLC2,693$23.2K0.00%−1,965−42.2%Reduced
Metropolitan Life Insurance Co2,728$23.5K0.00%00.0%Unchanged
Banque Cantonale Vaudoise3,341$29.0K0.00%00.0%Unchanged
First PREMIER Bank4,000$34.0K0.01%00.0%Unchanged
Amalgamated Bank3,980$34.0K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)3,970$34.1K0.00%+243+6.5%Added
Ameritas Investment Partners, Inc.5,021$43.2K0.00%+985+24.4%Added
Citigroup Inc5,801$49.9K0.00%−17,103−74.7%Reduced
BNP Paribas Arbitrage, SA7,579$65.2K0.00%−47,734−86.3%Reduced
Harel Insurance Investments & Financial Services Ltd.7,801$67.0K0.00%−442−5.4%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)9,364$80.5K0.00%00.0%Unchanged
Bank of Montreal12,915$83.3K0.00%−6,019−31.8%Reduced
Choate Investment Advisors10,000$86.0K0.00%00.0%Unchanged
Crestwood Advisors Group LLC10,052$86.4K0.00%00.0%Unchanged
Royal Bank of Canada10,240$88.0K0.00%−4,354−29.8%Reduced
Quantamental Technologies LLC10,423$89.6K0.08%−2,189−17.4%Reduced
Price T Rowe Associates Inc11,968$103.0K0.00%+1,280+12.0%Added
Gsa Capital Partners LLP12,061$104.0K0.01%+12,061New
Ballentine Partners, LLC13,179$113.3K0.00%00.0%Unchanged
Envestnet Asset Management Inc13,239$113.9K0.00%−1,917−12.6%Reduced
Regions Financial Corp14,000$120.4K0.00%+14,000New
Bayesian Capital Management, LP14,600$125.6K0.01%−3,000−17.0%Reduced
State Board of Administration of Florida Retirement System14,618$125.7K0.00%+110+0.8%Added
Mariner, LLC14,936$128.4K0.00%+1,400+10.3%Added
Arizona State Retirement System14,973$128.8K0.00%−2,740−15.5%Reduced
Wells Fargo & Company16,150$138.9K0.00%−3,877−19.4%Reduced
Highland Capital Management Fund Advisors, L.P.16,650$143.2K0.02%−8,000−32.5%Reduced
Empower Advisory Group, LLC17,720$152.4K0.00%+572+3.3%Added
Pinebridge Investments, L.P.18,220$156.7K0.00%+18,220New
Barclays PLC18,483$159.0K0.00%−3,045−14.1%Reduced
HRT Financial LP18,703$160.0K0.00%−42,753−69.6%Reduced
Millennium Management LLC19,159$164.8K0.00%−398,549−95.4%Reduced
Voya Investment Management LLC20,437$175.8K0.00%00.0%Unchanged
Prelude Capital Management, LLC20,513$176.4K0.02%+20,513New
Manufacturers Life Insurance Company, The20,865$179.4K0.00%00.0%Unchanged
Thompson Davis & Co., Inc.21,050$181.0K0.22%+5,100+32.0%Added
Mirae Asset Global Investments Co., Ltd.23,052$198.2K0.00%+9,601+71.4%Added
Franklin Resources Inc24,573$211.3K0.00%+35+0.1%Added
American International Group, Inc.25,506$219.4K0.00%+907+3.7%Added
Advisory Research Inc25,824$222.1K0.03%+25,824New
MetLife Investment Management26,511$228.0K0.00%00.0%Unchanged
SEI Investments Co28,083$241.5K0.00%+3,165+12.7%Added
Abbot Financial Management, Inc.28,104$241.7K0.16%00.0%Unchanged
Janus Henderson Group PLC30,859$265.2K0.00%+30.0%Added
American Century Companies Inc32,364$278.3K0.00%+12,141+60.0%Added
Nebula Research & Development LLC32,729$281.5K0.15%−13,317−28.9%Reduced
JPMorgan Chase & Co34,958$300.6K0.00%−10,469−23.0%Reduced
Firsthand Capital Management, Inc.35,000$301.0K0.43%00.0%Unchanged
ARS Investment Partners, LLC36,396$313.0K0.04%−18,820−34.1%Reduced
Mesirow Financial Investment Management, Inc.38,791$333.6K1.45%+38,791New
TownSquare Capital, LLC41,202$354.3K0.01%−5,179−11.2%Reduced
Alliancebernstein L.P.45,410$390.5K0.00%00.0%Unchanged
Woodmont Investment Counsel LLC47,100$405.1K0.04%−2,985−6.0%Reduced
Legal & General Group Plc51,317$441.3K0.00%−470−0.9%Reduced
Principal Financial Group Inc52,156$448.5K0.00%+52,156New
Advisor Group Holdings, Inc.52,808$454.1K0.00%+3,753+7.7%Added
California State Teachers Retirement System57,706$496.3K0.00%−14,766−20.4%Reduced
UBS Asset Management Americas Inc57,840$497.4K0.00%−281,901−83.0%Reduced
Bank of America Corp62,336$536.1K0.00%−62,281−50.0%Reduced
Squarepoint Ops LLC62,381$536.5K0.00%−4,344−6.5%Reduced
Deutsche Bank AG63,130$542.9K0.00%−275,361−81.3%Reduced
Strategic Wealth Partners, Ltd.68,338$587.7K0.08%+19,229+39.2%Added
Levin Capital Strategies, L.P.70,613$607.3K0.08%+23,000+48.3%Added
Bridgewater Advisors Inc.76,000$653.6K0.10%−18,000−19.1%Reduced
Rhumbline Advisers76,117$654.6K0.00%+1,861+2.5%Added
Fuller & Thaler Asset Management, Inc.76,580$658.6K0.00%+76,580New
Russell Investments Group, Ltd.81,610$701.8K0.00%−971−1.2%Reduced
Wolverine Trading, LLC82,883$712.8K0.01%+21,286+34.6%Added
Susquehanna International Group, LLP83,057$714.3K0.00%−46,834−36.1%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.84,257$724.6K0.00%+5,611+7.1%Added
DLD Asset Management, LP88,147$758.1K0.11%+88,147New
Bouvel Investment Partners, LLC90,389$777.3K0.42%+989+1.1%Added
Diametric Capital, LP95,049$817.4K0.34%+53,208+127.2%Added
State of Wisconsin Investment Board95,366$820.1K0.00%−21,464−18.4%Reduced
Allspring Global Investments Holdings, LLC96,034$825.9K0.00%−4,257−4.2%Reduced