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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, Q1 2024

Institutional positions in Aspen Aerogels Inc as of Mar 31, 2024. 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
167
−2 vs. Q4 2023
Shares held
74.4M
−473.3K (−0.6%) vs. Q4 2023
Total value
$1.31B
+$127.9M (+10.8%) vs. Q4 2023
New holders
29
50 more added
Sold out
31
52 more reduced

1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2024: 167 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 heldQ1 2024: $1.31B
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, Q1 2024

Shares, value and share of portfolio for each institution holding Aspen Aerogels Inc; share changes are against Q4 2023.

Institutions holding ASPN in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
MetLife Investment Management26,511$466.6K0.00%00.0%Unchanged
Russell Investments Group, Ltd.25,964$457.0K0.00%−11,809−31.3%Reduced
BNP Paribas Arbitrage, SA25,706$452.4K0.00%+11,823+85.2%Added
American International Group, Inc.25,187$443.3K0.00%−216−0.9%Reduced
Franklin Resources Inc24,123$424.6K0.00%−574−2.3%Reduced
Wells Fargo & Company23,337$410.7K0.00%+4,080+21.2%Added
Harbour Capital Advisors, LLC24,115$404.2K0.10%+24,115New
Oppenheimer & Co Inc22,055$388.2K0.01%+22,055New
JPMorgan Chase & Co20,088$353.5K0.00%−14,244−41.5%Reduced
Wolverine Trading, LLC19,707$346.8K0.00%+8,436+74.8%Added
Manufacturers Life Insurance Company, The19,350$340.6K0.00%−640−3.2%Reduced
Arizona State Retirement System16,779$295.3K0.00%+2,059+14.0%Added
Crossmark Global Holdings, Inc.16,474$290.0K0.01%+16,474New
Journey Strategic Wealth LLC15,000$264.0K0.01%+15,000New
Cornerstone Investment Partners, LLC14,606$257.1K0.01%00.0%Unchanged
Price T Rowe Associates Inc14,580$257.0K0.00%+1,938+15.3%Added
Versor Investments LP14,600$257.0K0.05%+14,600New
Mariner, LLC14,046$247.2K0.00%+1,015+7.8%Added
Virtu Financial LLC13,977$246.0K0.02%+13,977New
Ballentine Partners, LLC13,202$232.4K0.00%+23+0.2%Added
Bank of Montreal13,055$231.2K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)12,971$228.3K0.00%00.0%Unchanged
Royal Bank of Canada11,994$211.0K0.00%−12,181−50.4%Reduced
Jump Financial, LLC10,929$192.3K0.01%+10,929New
Crestwood Advisors Group LLC10,052$176.9K0.00%00.0%Unchanged
Choate Investment Advisors10,000$176.0K0.00%00.0%Unchanged
Tucker Asset Management LLC8,147$143.4K0.03%+8,147New
Quest Partners LLC7,260$127.8K0.02%+5,788+393.2%Added
US Bancorp6,689$117.7K0.00%−214−3.1%Reduced
State Board of Administration of Florida Retirement System14,118$105.2K0.00%−500−3.4%Reduced
Mirae Asset Global Investments Co., Ltd.13,451$97.0K0.00%−9,601−41.6%Reduced
Ameritas Investment Partners, Inc.5,021$88.4K0.00%00.0%Unchanged
Banque Cantonale Vaudoise4,593$81.0K0.00%+1,252+37.5%Added
Simplex Trading, LLC4,287$75.0K0.00%+4,287New
Harel Insurance Investments & Financial Services Ltd.3,959$70.0K0.00%−758−16.1%Reduced
First PREMIER Bank4,000$70.0K0.02%00.0%Unchanged
Metropolitan Life Insurance Co2,728$48.0K0.00%00.0%Unchanged
Amalgamated Bank1,744$31.0K0.00%−2,735−61.1%Reduced
Umb Bank N A1,200$21.1K0.00%00.0%Unchanged
Colonial Trust Co728$12.8K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.600$10.6K0.00%−4−0.7%Reduced
Tower Research Capital LLC (TRC)526$9.26K0.00%−8,444−94.1%Reduced
Exchange Traded Concepts, LLC434$7.64K0.00%+434New
Wetzel Investment Advisors, Inc.400$5.93K0.00%00.0%Unchanged
Venturi Wealth Management, LLC300$5.28K0.00%+300New
IFP Advisors, Inc295$5.19K0.00%00.0%Unchanged
Signaturefd, LLC293$5.16K0.00%00.0%Unchanged
CWM, LLC293$5.00K0.00%+161+122.0%Added
Red Tortoise LLC271$4.77K0.00%00.0%Unchanged
First Horizon Advisors, Inc.266$4.68K0.00%−286−51.8%Reduced
HighMark Wealth Management LLC250$4.40K0.00%00.0%Unchanged
GAMMA Investing LLC238$4.19K0.00%+188+376.0%Added
HHM Wealth Advisors, LLC200$3.52K0.00%00.0%Unchanged
Tyler-Stone Wealth Management200$3.52K0.00%00.0%Unchanged
Lindbrook Capital, LLC176$3.10K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC124$2.18K0.00%+51+69.9%Added
Valley National Advisers Inc90$1.00K0.00%+25+38.5%Added
Colonial Trust Advisors50$8800.00%00.0%Unchanged
C M Bidwell & Associates Ltd32$5630.00%00.0%Unchanged
Farther Finance Advisors, LLC31$5470.00%−1−3.1%Reduced
Quadrant Capital Group LLC19$3350.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec15$2640.00%00.0%Unchanged
WR Wealth Planners, LLC12$2110.00%+12New
Rothschild Investment LLC10$1760.00%+10New
Nelson, Van Denburg & Campbell Wealth Management Group, LLC10$1760.00%+10New
TFC Financial Management2$360.00%00.0%Unchanged
Covestor Ltd6$00.00%−4−40.0%Reduced
AIGH Capital Management LLC0$00.00%−1,804,484−100.0%Sold out
Worth Venture Partners, LLC0$00.00%−440,988−100.0%Sold out
Zevenbergen Capital Investments LLC0$00.00%−280,802−100.0%Sold out
Clear Sky Advisers, LLC0$00.00%−139,343−100.0%Sold out
CastleKnight Management LP0$00.00%−105,400−100.0%Sold out
Advisory Research Inc0$00.00%−87,936−100.0%Sold out
Semanteon Capital Management, LP0$00.00%−76,761−100.0%Sold out
Hartree Partners, LP0$00.00%−75,001−100.0%Sold out
Raymond James & Associates0$00.00%−52,399−100.0%Sold out
Principal Financial Group Inc0$00.00%−48,232−100.0%Sold out
Los Angeles Capital Management LLC0$00.00%−28,626−100.0%Sold out
Diametric Capital, LP0$00.00%−24,193−100.0%Sold out
Thompson Davis & Co., Inc.0$00.00%−24,150−100.0%Sold out
Mesirow Financial Investment Management, Inc.0$00.00%−27,125−100.0%Sold out
Nebula Research & Development LLC0$00.00%−22,039−100.0%Sold out
TownSquare Capital, LLC0$00.00%−21,026−100.0%Sold out
WealthTrust Axiom LLC0$00.00%−18,750−100.0%Sold out
Raymond James Financial Services Advisors, Inc.0$00.00%−16,794−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−16,485−100.0%Sold out
Empower Advisory Group, LLC0$00.00%−13,449−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−13,040−100.0%Sold out
Envestnet Asset Management Inc0$00.00%−12,815−100.0%Sold out
McAdam, LLC0$00.00%−12,123−100.0%Sold out
Highland Capital Management Fund Advisors, L.P.0$00.00%−11,650−100.0%Sold out
Group One Trading, L.P.0$00.00%−8,587−100.0%Sold out
DLD Asset Management, LP0$00.00%−5,000−100.0%Sold out
AlphaMark Advisors, LLC0$00.00%−1,000−100.0%Sold out
Planned Solutions, Inc.0$00.00%−900−100.0%Sold out
Clearstead Advisors, LLC0$00.00%−160−100.0%Sold out
Advisory Services Network, LLC0$00.00%−100−100.0%Sold out
GWM Advisors LLC0$00.00%−3−100.0%Sold out
Potomac Capital Management, Inc.––––Not filed