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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 2023

Institutional positions in Aspen Aerogels Inc as of Dec 31, 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
170
+14 vs. Q3 2023
Shares held
75.0M
+10.4M (+16.2%) vs. Q3 2023
Total value
$1.18B
+$627.7M (+113.1%) vs. Q3 2023
New holders
33
51 more added
Sold out
19
52 more reduced

3 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 170 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 2023: $1.18B
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 2023

Shares, value and share of portfolio for each institution holding Aspen Aerogels Inc; share changes are against Q3 2023.

Institutions holding ASPN in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Covestor Ltd10$00.00%−6−37.5%Reduced
TFC Financial Management2$320.00%00.0%Unchanged
GWM Advisors LLC3$470.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec15$2370.00%00.0%Unchanged
Quadrant Capital Group LLC19$3000.00%00.0%Unchanged
C M Bidwell & Associates Ltd32$5050.00%+32New
Farther Finance Advisors, LLC32$5050.00%+32New
GAMMA Investing LLC50$5620.00%+50New
Colonial Trust Advisors50$7890.00%00.0%Unchanged
Valley National Advisers Inc65$1.00K0.00%+65New
Nisa Investment Advisors, LLC73$1.15K0.00%+43+143.3%Added
Advisory Services Network, LLC100$1.58K0.00%+100New
CWM, LLC132$2.00K0.00%+58+78.4%Added
Clearstead Advisors, LLC160$2.52K0.00%+60+60.0%Added
Lindbrook Capital, LLC176$2.78K0.00%−562−76.2%Reduced
HHM Wealth Advisors, LLC200$3.16K0.00%00.0%Unchanged
Tyler-Stone Wealth Management200$3.16K0.00%+200New
HighMark Wealth Management LLC250$3.94K0.00%00.0%Unchanged
Red Tortoise LLC271$4.28K0.00%00.0%Unchanged
Signaturefd, LLC293$4.62K0.00%−4−1.3%Reduced
IFP Advisors, Inc295$4.66K0.00%−200−40.4%Reduced
Wetzel Investment Advisors, Inc.400$6.00K0.00%+400New
First Horizon Advisors, Inc.552$8.71K0.00%+67+13.8%Added
The PNC Financial Services Group, Inc.604$9.53K0.00%+4+0.7%Added
Colonial Trust Co728$11.5K0.00%00.0%Unchanged
Planned Solutions, Inc.900$14.2K0.01%+900New
AlphaMark Advisors, LLC1,000$16.0K0.01%00.0%Unchanged
Umb Bank N A1,200$18.9K0.00%00.0%Unchanged
Quest Partners LLC1,472$23.2K0.00%+1,472New
Metropolitan Life Insurance Co2,728$43.0K0.00%00.0%Unchanged
Banque Cantonale Vaudoise3,341$53.0K0.00%00.0%Unchanged
First PREMIER Bank4,000$63.0K0.02%00.0%Unchanged
Amalgamated Bank4,479$71.0K0.00%+499+12.5%Added
Harel Insurance Investments & Financial Services Ltd.4,717$74.0K0.00%−3,084−39.5%Reduced
DLD Asset Management, LP5,000$78.9K0.01%−83,147−94.3%Reduced
Ameritas Investment Partners, Inc.5,021$79.2K0.00%00.0%Unchanged
US Bancorp6,903$108.9K0.00%+6,244+947.5%Added
Group One Trading, L.P.8,587$135.5K0.00%+8,587New
Tower Research Capital LLC (TRC)8,970$141.5K0.00%+5,000+125.9%Added
Choate Investment Advisors10,000$157.8K0.00%00.0%Unchanged
Crestwood Advisors Group LLC10,052$158.6K0.00%00.0%Unchanged
Wolverine Trading, LLC11,271$177.9K0.00%−71,612−86.4%Reduced
Citigroup Inc11,449$180.7K0.00%+5,648+97.4%Added
Highland Capital Management Fund Advisors, L.P.11,650$183.8K0.03%−5,000−30.0%Reduced
Caption Management, LLC11,920$188.1K0.02%−418,080−97.2%Reduced
McAdam, LLC12,123$191.3K0.01%+12,123New
Boothbay Fund Management, LLC12,560$198.2K0.01%+12,560New
Price T Rowe Associates Inc12,642$200.0K0.00%+674+5.6%Added
Envestnet Asset Management Inc12,815$202.2K0.00%−424−3.2%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)12,971$204.7K0.00%+3,607+38.5%Added
Mariner, LLC13,031$205.6K0.00%−1,905−12.8%Reduced
Qube Research & Technologies Ltd13,040$205.8K0.00%+13,040New
Ballentine Partners, LLC13,179$208.0K0.00%00.0%Unchanged
Bank of Montreal13,055$209.5K0.00%+140+1.1%Added
Empower Advisory Group, LLC13,449$212.2K0.00%−4,271−24.1%Reduced
BNP Paribas Arbitrage, SA13,883$219.1K0.00%+6,304+83.2%Added
Squarepoint Ops LLC14,073$222.1K0.00%−48,308−77.4%Reduced
Cornerstone Investment Partners, LLC14,606$230.5K0.01%+14,606New
State Board of Administration of Florida Retirement System14,618$230.7K0.00%00.0%Unchanged
Arizona State Retirement System14,720$232.3K0.00%−253−1.7%Reduced
Balyasny Asset Management LLC16,485$260.1K0.00%+16,485New
Raymond James Financial Services Advisors, Inc.16,794$265.0K0.00%+16,794New
WealthTrust Axiom LLC18,750$295.9K0.10%+18,750New
Wells Fargo & Company19,257$303.9K0.00%+3,107+19.2%Added
Firsthand Capital Management, Inc.35,000$310.1K0.45%00.0%Unchanged
Manufacturers Life Insurance Company, The19,990$315.4K0.00%−875−4.2%Reduced
Voya Investment Management LLC20,437$322.5K0.00%00.0%Unchanged
TownSquare Capital, LLC21,026$331.8K0.01%−20,176−49.0%Reduced
Nebula Research & Development LLC22,039$347.8K0.10%−10,690−32.7%Reduced
Mirae Asset Global Investments Co., Ltd.23,052$363.8K0.00%00.0%Unchanged
Mesirow Financial Investment Management, Inc.27,125$370.5K0.01%−11,666−30.1%Reduced
Thompson Davis & Co., Inc.24,150$381.1K0.32%+3,100+14.7%Added
Diametric Capital, LP24,193$381.8K0.23%−70,856−74.5%Reduced
Royal Bank of Canada24,175$382.0K0.00%+13,935+136.1%Added
Franklin Resources Inc24,697$389.7K0.00%+124+0.5%Added
American International Group, Inc.25,403$400.9K0.00%−103−0.4%Reduced
MetLife Investment Management26,511$418.3K0.00%00.0%Unchanged
Abbot Financial Management, Inc.28,104$443.5K0.27%00.0%Unchanged
Los Angeles Capital Management LLC28,626$451.7K0.00%+28,626New
Janus Henderson Group PLC30,805$486.3K0.00%−54−0.2%Reduced
Bank of America Corp31,654$499.5K0.00%−30,682−49.2%Reduced
JPMorgan Chase & Co34,332$541.8K0.00%−626−1.8%Reduced
Russell Investments Group, Ltd.37,773$596.1K0.00%−43,837−53.7%Reduced
ARS Investment Partners, LLC41,479$654.5K0.07%+5,083+14.0%Added
Woodmont Investment Counsel LLC41,600$656.5K0.06%−5,500−11.7%Reduced
Legal & General Group Plc44,779$706.6K0.00%−6,538−12.7%Reduced
Principal Financial Group Inc48,232$761.1K0.00%−3,924−7.5%Reduced
Alliancebernstein L.P.50,890$803.0K0.00%+5,480+12.1%Added
Raymond James & Associates52,399$826.9K0.00%+52,399New
California State Teachers Retirement System55,305$872.7K0.00%−2,401−4.2%Reduced
UBS Asset Management Americas Inc57,840$912.7K0.00%00.0%Unchanged
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.64,749$958.3K0.00%−19,508−23.2%Reduced
Algert Global LLC61,234$966.3K0.04%−447,560−88.0%Reduced
Strategic Wealth Partners, Ltd.63,675$1.00M0.12%−4,663−6.8%Reduced
Marex Group plc65,000$1.03M0.04%+65,000New
American Century Companies Inc73,285$1.16M0.00%+40,921+126.4%Added
Hartree Partners, LP75,001$1.18M0.43%−125,000−62.5%Reduced
Semanteon Capital Management, LP76,761$1.21M0.82%+76,761New
Rhumbline Advisers79,782$1.26M0.00%+3,665+4.8%Added
Barclays PLC80,603$1.27M0.00%+62,120+336.1%Added