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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
Covestor Ltd6$00.00%−4−40.0%Reduced
TFC Financial Management2$360.00%00.0%Unchanged
Rothschild Investment LLC10$1760.00%+10New
Nelson, Van Denburg & Campbell Wealth Management Group, LLC10$1760.00%+10New
WR Wealth Planners, LLC12$2110.00%+12New
Federation des caisses Desjardins du Quebec15$2640.00%00.0%Unchanged
Quadrant Capital Group LLC19$3350.00%00.0%Unchanged
Farther Finance Advisors, LLC31$5470.00%−1−3.1%Reduced
C M Bidwell & Associates Ltd32$5630.00%00.0%Unchanged
Colonial Trust Advisors50$8800.00%00.0%Unchanged
Valley National Advisers Inc90$1.00K0.00%+25+38.5%Added
Nisa Investment Advisors, LLC124$2.18K0.00%+51+69.9%Added
Lindbrook Capital, LLC176$3.10K0.00%00.0%Unchanged
HHM Wealth Advisors, LLC200$3.52K0.00%00.0%Unchanged
Tyler-Stone Wealth Management200$3.52K0.00%00.0%Unchanged
GAMMA Investing LLC238$4.19K0.00%+188+376.0%Added
HighMark Wealth Management LLC250$4.40K0.00%00.0%Unchanged
First Horizon Advisors, Inc.266$4.68K0.00%−286−51.8%Reduced
Red Tortoise LLC271$4.77K0.00%00.0%Unchanged
CWM, LLC293$5.00K0.00%+161+122.0%Added
Signaturefd, LLC293$5.16K0.00%00.0%Unchanged
IFP Advisors, Inc295$5.19K0.00%00.0%Unchanged
Venturi Wealth Management, LLC300$5.28K0.00%+300New
Wetzel Investment Advisors, Inc.400$5.93K0.00%00.0%Unchanged
Exchange Traded Concepts, LLC434$7.64K0.00%+434New
Tower Research Capital LLC (TRC)526$9.26K0.00%−8,444−94.1%Reduced
The PNC Financial Services Group, Inc.600$10.6K0.00%−4−0.7%Reduced
Colonial Trust Co728$12.8K0.00%00.0%Unchanged
Umb Bank N A1,200$21.1K0.00%00.0%Unchanged
Amalgamated Bank1,744$31.0K0.00%−2,735−61.1%Reduced
Metropolitan Life Insurance Co2,728$48.0K0.00%00.0%Unchanged
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
Simplex Trading, LLC4,287$75.0K0.00%+4,287New
Banque Cantonale Vaudoise4,593$81.0K0.00%+1,252+37.5%Added
Ameritas Investment Partners, Inc.5,021$88.4K0.00%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.13,451$97.0K0.00%−9,601−41.6%Reduced
State Board of Administration of Florida Retirement System14,118$105.2K0.00%−500−3.4%Reduced
US Bancorp6,689$117.7K0.00%−214−3.1%Reduced
Quest Partners LLC7,260$127.8K0.02%+5,788+393.2%Added
Tucker Asset Management LLC8,147$143.4K0.03%+8,147New
Choate Investment Advisors10,000$176.0K0.00%00.0%Unchanged
Crestwood Advisors Group LLC10,052$176.9K0.00%00.0%Unchanged
Jump Financial, LLC10,929$192.3K0.01%+10,929New
Royal Bank of Canada11,994$211.0K0.00%−12,181−50.4%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)12,971$228.3K0.00%00.0%Unchanged
Bank of Montreal13,055$231.2K0.00%00.0%Unchanged
Ballentine Partners, LLC13,202$232.4K0.00%+23+0.2%Added
Virtu Financial LLC13,977$246.0K0.02%+13,977New
Mariner, LLC14,046$247.2K0.00%+1,015+7.8%Added
Versor Investments LP14,600$257.0K0.05%+14,600New
Price T Rowe Associates Inc14,580$257.0K0.00%+1,938+15.3%Added
Cornerstone Investment Partners, LLC14,606$257.1K0.01%00.0%Unchanged
Journey Strategic Wealth LLC15,000$264.0K0.01%+15,000New
Crossmark Global Holdings, Inc.16,474$290.0K0.01%+16,474New
Arizona State Retirement System16,779$295.3K0.00%+2,059+14.0%Added
Manufacturers Life Insurance Company, The19,350$340.6K0.00%−640−3.2%Reduced
Wolverine Trading, LLC19,707$346.8K0.00%+8,436+74.8%Added
JPMorgan Chase & Co20,088$353.5K0.00%−14,244−41.5%Reduced
Oppenheimer & Co Inc22,055$388.2K0.01%+22,055New
Harbour Capital Advisors, LLC24,115$404.2K0.10%+24,115New
Wells Fargo & Company23,337$410.7K0.00%+4,080+21.2%Added
Franklin Resources Inc24,123$424.6K0.00%−574−2.3%Reduced
American International Group, Inc.25,187$443.3K0.00%−216−0.9%Reduced
BNP Paribas Arbitrage, SA25,706$452.4K0.00%+11,823+85.2%Added
Russell Investments Group, Ltd.25,964$457.0K0.00%−11,809−31.3%Reduced
MetLife Investment Management26,511$466.6K0.00%00.0%Unchanged
ExodusPoint Capital Management, LP28,673$505.0K0.01%+28,673New
Janus Henderson Group PLC30,840$542.6K0.00%+35+0.1%Added
PEAK6 Investments LLC32,799$577.3K0.03%+32,799New
Eschler Asset Management LLP33,082$582.2K0.38%+33,082New
ARS Investment Partners, LLC33,679$592.8K0.06%−7,800−18.8%Reduced
Abbot Financial Management, Inc.34,816$612.8K0.34%+6,712+23.9%Added
Firsthand Capital Management, Inc.35,000$616.0K1.00%00.0%Unchanged
Advisor Group Holdings, Inc.35,418$623.4K0.00%−62,798−63.9%Reduced
Assenagon Asset Management S.A.36,114$635.6K0.00%+36,114New
Citigroup Inc40,280$708.9K0.00%+28,831+251.8%Added
Woodmont Investment Counsel LLC41,600$732.2K0.06%00.0%Unchanged
Bridgewater Advisors Inc.42,639$750.4K0.11%+42,639New
Graham Capital Management, L.P.44,099$776.1K0.02%+44,099New
Barclays PLC48,042$845.5K0.00%−32,561−40.4%Reduced
Healthcare of Ontario Pension Plan Trust Fund48,348$850.9K0.00%+48,348New
Legal & General Group Plc50,086$881.5K0.00%+5,307+11.9%Added
Algert Global LLC50,534$889.4K0.03%−10,700−17.5%Reduced
Alliancebernstein L.P.50,890$895.7K0.00%00.0%Unchanged
Citadel Advisors LLC52,276$920.1K0.00%−222,777−81.0%Reduced
Boothbay Fund Management, LLC53,422$940.2K0.03%+40,862+325.3%Added
UBS Asset Management Americas Inc57,840$1.02M0.00%00.0%Unchanged
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.60,033$1.06M0.00%−4,716−7.3%Reduced
California State Teachers Retirement System60,039$1.06M0.00%+4,734+8.6%Added
Jackson Creek Investment Advisors LLC61,831$1.09M0.39%−39,414−38.9%Reduced
Gsa Capital Partners LLP67,103$1.18M0.09%+67,103New
Strategic Wealth Partners, Ltd.68,980$1.21M0.13%+5,305+8.3%Added
Caption Management, LLC80,048$1.41M0.16%+68,128+571.5%Added
Rhumbline Advisers82,021$1.44M0.00%+2,239+2.8%Added
Allspring Global Investments Holdings, LLC83,267$1.47M0.00%−1,491−1.8%Reduced
SEI Investments Co84,759$1.49M0.00%−1,955−2.3%Reduced
Davy Global Fund Management Ltd85,257$1.50M0.17%−1,595−1.8%Reduced
Options Solutions, LLC89,598$1.58M0.90%+89,598New
Redwood Investments, LLC91,621$1.59M0.46%−134,678−59.5%Reduced