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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 2022

Institutional positions in Aspen Aerogels Inc as of Sep 30, 2022. 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
140
−7 vs. Q2 2022
Shares held
37.3M
+270.4K (+0.7%) vs. Q2 2022
Total value
$344.0M
−$22.3M (−6.1%) vs. Q2 2022
New holders
21
66 more added
Sold out
28
34 more reduced

1 institution that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2022: 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 2022: 140 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 2022: $344.0M
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 2022

Shares, value and share of portfolio for each institution holding Aspen Aerogels Inc; share changes are against Q2 2022.

Institutions holding ASPN in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Silvercrest Asset Management Group LLC147,619$1.36M0.01%−3,885−2.6%Reduced
Renaissance Technologies LLC160,200$1.48M0.00%+81,900+104.6%Added
Walleye Capital LLC165,502$1.53M0.03%+29,331+21.5%Added
Afton Capital Management LLC167,119$1.54M5.04%+60,000+56.0%Added
Kennedy Capital Management, Inc.184,102$1.70M0.05%−1,452−0.8%Reduced
Clear Sky Advisers, LLC195,000$1.80M1.07%+78,000+66.7%Added
Voloridge Investment Management, LLC224,247$2.07M0.01%+224,247New
Zevenbergen Capital Investments LLC226,862$2.09M0.06%+48,540+27.2%Added
Northern Trust Corp280,502$2.59M0.00%+19,298+7.4%Added
UBS Asset Management Americas Inc300,162$2.77M0.00%−44,332−12.9%Reduced
Deutsche Bank AG326,107$3.01M0.00%−680.0%Reduced
D. E. Shaw & Co., Inc.350,468$3.23M0.01%+148,472+73.5%Added
Goldman Sachs Group Inc354,320$3.27M0.00%+145,317+69.5%Added
Jetstream Capital LLC370,000$3.41M7.25%+30,000+8.8%Added
Assenagon Asset Management S.A.370,572$3.42M0.01%+177,677+92.1%Added
G2 Investment Partners Management LLC396,167$3.65M1.14%+60,067+17.9%Added
Morgan Stanley425,923$3.93M0.00%+49,978+13.3%Added
Baird Financial Group, Inc.448,923$4.14M0.01%+56,618+14.4%Added
Nuveen Asset Management, LLC459,271$4.24M0.00%−3,855−0.8%Reduced
Two Sigma Investments, LP472,601$4.36M0.02%−80,946−14.6%Reduced
Redwood Investments, LLC481,491$4.44M0.60%+170,163+54.7%Added
Royce & Associates LP517,283$4.77M0.05%−63,149−10.9%Reduced
Geode Capital Management, LLC518,378$4.78M0.00%+63,673+14.0%Added
Two Sigma Advisers, LP534,900$4.93M0.01%+106,200+24.8%Added
FMR LLC565,138$5.21M0.00%+95,893+20.4%Added
Point72 Asset Management, L.P.579,739$5.34M0.02%+472,889+442.6%Added
Ameriprise Financial Inc580,043$5.35M0.00%−42,858−6.9%Reduced
Samjo Capital LLC584,000$5.38M6.57%+64,000+12.3%Added
State Street Corp592,441$5.46M0.00%+42,997+7.8%Added
Essex Investment Management Co LLC628,808$5.80M0.93%+78,328+14.2%Added
Cowen Prime Advisors LLC731,350$6.74M3.87%+61,400+9.2%Added
Needham Investment Management LLC983,100$9.06M1.78%+298,600+43.6%Added
Driehaus Capital Management LLC1,055,017$9.73M0.15%+25,498+2.5%Added
Vanguard Group Inc1,860,576$17.2M0.00%+419,657+29.1%Added
BlackRock Inc.1,918,984$17.7M0.00%+142,611+8.0%Added
Telemark Asset Management, LLC2,000,000$18.4M2.89%00.0%Unchanged
Encompass Capital Advisors LLC2,419,272$22.3M1.29%−306,299−11.2%Reduced
George Kaiser Family Foundation3,167,322$29.2M5.12%00.0%Unchanged
Oaktop Capital Management II, L.P.3,194,758$29.5M5.92%00.0%Unchanged
Kim, LLC5,254,110$48.4M2.26%00.0%Unchanged
Prescott Group Capital Management, L.L.C.0$00.00%−959,049−100.0%Sold out
Quinn Opportunity Partners LLC0$00.00%−478,426−100.0%Sold out
Lazard Asset Management LLC0$00.00%−245,956−100.0%Sold out
Ardsley Advisory Partners LP0$00.00%−100,500−100.0%Sold out
AMH Equity Ltd0$00.00%−100,000−100.0%Sold out
Squarepoint Ops LLC0$00.00%−92,765−100.0%Sold out
Apis Capital Advisors, LLC0$00.00%−89,600−100.0%Sold out
Engineers Gate Manager LP0$00.00%−66,338−100.0%Sold out
HRT Financial LP0$00.00%−60,500−100.0%Sold out
Virtu Financial LLC0$00.00%−56,486−100.0%Sold out
Harvey Partners, LLC0$00.00%−55,231−100.0%Sold out
Monashee Investment Management LLC0$00.00%−37,500−100.0%Sold out
Russell Investments Group, Ltd.0$00.00%−29,811−100.0%Sold out
Jane Street Group, LLC0$00.00%−24,564−100.0%Sold out
Invenire Partners, LP0$00.00%−24,494−100.0%Sold out
FNY Investment Advisers, LLC0$00.00%−24,201−100.0%Sold out
Quantbot Technologies LP0$00.00%−24,028−100.0%Sold out
AQR Capital Management LLC0$00.00%−23,506−100.0%Sold out
SG Americas Securities, LLC0$00.00%−22,525−100.0%Sold out
Weiss Multi-Strategy Advisers LLC0$00.00%−15,000−100.0%Sold out
Walleye Trading LLC0$00.00%−11,518−100.0%Sold out
Peregrine Capital Management LLC0$00.00%−9,430−100.0%Sold out
Alpha Paradigm Partners, LLC0$00.00%−7,743−100.0%Sold out
ETF Managers Group, LLC0$00.00%−8,654−100.0%Sold out
Captrust Financial Advisors0$00.00%−722−100.0%Sold out
Ahrens Investment Partners LLC0$00.00%−358−100.0%Sold out
Prospera Financial Services Inc0$00.00%−275−100.0%Sold out
Geneos Wealth Management Inc.0$00.00%−227−100.0%Sold out
B. Riley Wealth Management, Inc.––––Not filed