Skip to main content

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, Q2 2024

Institutional positions in Aspen Aerogels Inc as of Jun 30, 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
222
+56 vs. Q1 2024
Shares held
70.6M
−3.63M (−4.9%) vs. Q1 2024
Total value
$1.69B
+$381.1M (+29.2%) vs. Q1 2024
New holders
74
58 more added
Sold out
18
65 more reduced

1 institution that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2024: 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 holdersQ2 2024: 222 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 heldQ2 2024: $1.69B
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, Q2 2024

Shares, value and share of portfolio for each institution holding Aspen Aerogels Inc; share changes are against Q1 2024.

Institutions holding ASPN in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Mirae Asset Global ETFs Holdings Ltd.26,032$620.9K0.00%+26,032New
Harvest Investment Services, LLC27,403$653.6K0.26%+27,403New
Franklin Resources Inc27,935$666.3K0.00%+3,812+15.8%Added
Davy Global Fund Management Ltd29,131$694.8K0.08%−56,126−65.8%Reduced
Formula Growth Ltd30,000$715.5K0.26%+30,000New
Janus Henderson Group PLC30,455$726.2K0.00%−385−1.2%Reduced
HSBC Holdings PLC30,670$732.1K0.00%+30,670New
Numerai GP LLC31,063$740.9K0.27%+31,063New
Corebridge Financial, Inc.31,345$747.6K0.00%+31,345New
Churchill Management Corp33,580$800.9K0.01%+33,580New
MetLife Investment Management33,664$802.9K0.00%+7,153+27.0%Added
Simplex Trading, LLC33,974$810.0K0.03%+29,687+692.5%Added
Greenwood Capital Associates LLC35,889$856.0K0.11%−104,395−74.4%Reduced
Advisor Group Holdings, Inc.37,318$889.9K0.00%+1,900+5.4%Added
Dynamic Technology Lab Private Ltd37,456$893.0K0.10%+37,456New
Oppenheimer & Co Inc38,381$915.4K0.01%+16,326+74.0%Added
Strategic Wealth Partners, Ltd.38,904$927.9K0.10%−30,076−43.6%Reduced
Engineers Gate Manager LP38,987$929.8K0.02%+38,987New
Virtu Financial LLC39,008$930.0K0.06%+25,031+179.1%Added
Jackson Creek Investment Advisors LLC41,589$992.0K0.36%−20,242−32.7%Reduced
Wells Fargo & Company42,511$1.01M0.00%+19,174+82.2%Added
Aquatic Capital Management LLC42,600$1.02M0.04%+42,600New
Harbour Capital Advisors, LLC43,350$1.02M0.24%+19,235+79.8%Added
D.A. Davidson & Co.42,803$1.02M0.01%+42,803New
Options Solutions, LLC43,876$1.05M0.63%−45,722−51.0%Reduced
Redwood Investments, LLC45,227$1.07M0.37%−46,394−50.6%Reduced
Allspring Global Investments Holdings, LLC46,364$1.11M0.00%−36,903−44.3%Reduced
SEI Investments Co49,685$1.18M0.00%−35,074−41.4%Reduced
Bridgewater Advisors Inc.56,139$1.21M0.15%+13,500+31.7%Added
GWM Advisors LLC53,074$1.27M0.01%+53,074New
Boothbay Fund Management, LLC53,505$1.28M0.04%+83+0.2%Added
Alliancebernstein L.P.57,610$1.37M0.00%+6,720+13.2%Added
Legal & General Group Plc58,455$1.39M0.00%+8,369+16.7%Added
California State Teachers Retirement System59,626$1.42M0.00%−413−0.7%Reduced
PEAK6 Investments LLC62,307$1.49M0.07%+29,508+90.0%Added
Gsa Capital Partners LLP66,211$1.58M0.11%−892−1.3%Reduced
Graham Capital Management, L.P.66,917$1.60M0.06%+22,818+51.7%Added
Walleye Capital LLC69,338$1.65M0.02%+69,338New
Russell Investments Group, Ltd.70,017$1.67M0.00%+44,053+169.7%Added
AQR Capital Management LLC78,715$1.88M0.00%−61,149−43.7%Reduced
Black Swift Group, LLC79,400$1.89M0.44%+79,400New
Algert Global LLC79,757$1.90M0.06%+29,223+57.8%Added
Legato Capital Management LLC79,877$1.91M0.26%−27,375−25.5%Reduced
Healthcare of Ontario Pension Plan Trust Fund80,591$1.92M0.01%+32,243+66.7%Added
Marex Group plc85,001$2.03M0.05%−19,999−19.0%Reduced
Jump Financial, LLC86,075$2.05M0.04%+75,146+687.6%Added
Rhumbline Advisers93,226$2.22M0.00%+11,205+13.7%Added
Tudor Investment Corp Et Al93,480$2.23M0.02%+93,480New
Bouvel Investment Partners, LLC93,760$2.24M0.87%−428−0.5%Reduced
Intrinsic Edge Capital Management LLC100,000$2.38M0.23%+100,000New
Comerica Bank104,446$2.49M0.01%−8,740−7.7%Reduced
EAM Investors, LLC104,994$2.50M0.41%−99,454−48.6%Reduced
BNP Paribas Arbitrage, SA105,021$2.50M0.00%+79,315+308.5%Added
Seven Eight Capital, LP105,294$2.51M0.26%+105,294New
Kennedy Capital Management, Inc.114,218$2.72M0.06%−63,682−35.8%Reduced
Bank of America Corp120,208$2.87M0.00%−124,549−50.9%Reduced
Swiss National Bank120,500$2.87M0.00%00.0%Unchanged
Redwood Grove Capital, LLC133,210$3.18M0.99%00.0%Unchanged
UBS Group AG133,683$3.19M0.00%−166,348−55.4%Reduced
Twinbeech Capital LP139,089$3.32M0.07%+139,089New
Firsthand Capital Management, Inc.5,000$3.37M7.60%−30,000−85.7%Reduced
Susquehanna International Group, LLP149,001$3.55M0.01%−55,789−27.2%Reduced
Hillsdale Investment Management Inc.153,100$3.65M0.29%+153,100New
UBS Asset Management Americas Inc157,793$3.76M0.00%+99,953+172.8%Added
Cubist Systematic Strategies, LLC160,088$3.82M0.07%+160,088New
Squarepoint Ops LLC160,665$3.83M0.01%−7,038−4.2%Reduced
Charles Schwab Investment Management Inc167,177$3.99M0.00%+23,826+16.6%Added
Fuller & Thaler Asset Management, Inc.169,830$4.05M0.02%−95,060−35.9%Reduced
Alps Advisors Inc171,800$4.10M0.03%+171,800New
Trexquant Investment LP179,276$4.28M0.07%+76,846+75.0%Added
Harvey Partners, LLC183,000$4.36M0.54%−94,500−34.1%Reduced
G2 Investment Partners Management LLC198,917$4.74M1.23%−21,167−9.6%Reduced
Qube Research & Technologies Ltd209,317$4.99M0.01%+209,317New
Bank of New York Mellon Corp226,666$5.41M0.00%+46,988+26.2%Added
Castleark Management LLC228,164$5.44M0.22%−2,280−1.0%Reduced
State of Wisconsin Investment Board238,591$5.69M0.02%+20,268+9.3%Added
Assenagon Asset Management S.A.244,512$5.83M0.01%+208,398+577.1%Added
Silvercrest Asset Management Group LLC250,855$5.98M0.04%−227,338−47.5%Reduced
First Trust Advisors LP273,808$6.53M0.01%−6,795−2.4%Reduced
Voloridge Investment Management, LLC274,440$6.55M0.02%+274,440New
Gilder Gagnon Howe & Co LLC285,652$6.81M0.09%+285,652New
Deutsche Bank AG292,725$6.98M0.00%−35,793−10.9%Reduced
Essex Investment Management Co LLC295,116$7.04M1.32%−90,339−23.4%Reduced
Sargent Investment Group, LLC317,539$7.57M1.54%−12,648−3.8%Reduced
Renaissance Technologies LLC349,700$8.34M0.01%+349,700New
Jane Street Group, LLC355,983$8.49M0.01%+140,919+65.5%Added
Millennium Management LLC391,563$9.34M0.01%+391,563New
Ardsley Advisory Partners LP395,000$9.42M1.70%−470,000−54.3%Reduced
Invesco Ltd.395,724$9.44M0.00%+138,908+54.1%Added
Baird Financial Group, Inc.401,359$9.57M0.02%−34,157−7.8%Reduced
Two Sigma Investments, LP405,749$9.68M0.02%+405,749New
Mesirow Institutional Investment Management, Inc.418,170$9.97M0.87%−247,268−37.2%Reduced
Goldman Sachs Group Inc441,126$10.5M0.00%+223,972+103.1%Added
Rice Hall James & Associates, LLC446,402$10.6M0.64%−134,813−23.2%Reduced
Nuveen Asset Management, LLC471,719$11.3M0.00%+492+0.1%Added
Northern Trust Corp511,381$12.2M0.00%+1,155+0.2%Added
Morgan Stanley539,187$12.9M0.00%−550,616−50.5%Reduced
D. E. Shaw & Co., Inc.541,505$12.9M0.02%+541,505New
Citadel Advisors LLC630,556$15.0M0.01%+578,280+1,106.2%Added
Ameriprise Financial Inc640,377$15.3M0.00%−1,010,573−61.2%Reduced