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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, Q2 2022

Institutional positions in Aspen Aerogels Inc as of Jun 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
148
+4 vs. Q1 2022
Shares held
37.0M
+5.33M (+16.8%) vs. Q1 2022
Total value
$366.3M
−$726.8M (−66.5%) vs. Q1 2022
New holders
30
66 more added
Sold out
26
37 more reduced

1 institution that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2022: 148 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 2022: $366.3M
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 2022

Shares, value and share of portfolio for each institution holding Aspen Aerogels Inc; share changes are against Q1 2022.

Institutions holding ASPN in Q2 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Kim, LLC5,254,110$51.9M2.49%+5,254,110New
Oaktop Capital Management II, L.P.3,194,758$31.6M5.71%+255,000+8.7%Added
George Kaiser Family Foundation3,167,322$31.3M5.56%00.0%Unchanged
Encompass Capital Advisors LLC2,725,571$26.9M1.81%+1,814,791+199.3%Added
Telemark Asset Management, LLC2,000,000$19.8M3.34%+180,000+9.9%Added
BlackRock Inc.1,776,373$17.6M0.00%+244,791+16.0%Added
Vanguard Group Inc1,440,919$14.2M0.00%−92,372−6.0%Reduced
Driehaus Capital Management LLC1,029,519$10.2M0.16%−321,051−23.8%Reduced
Prescott Group Capital Management, L.L.C.959,049$9.47M2.53%+959,049New
Needham Investment Management LLC684,500$6.76M1.26%+23,000+3.5%Added
Cowen Prime Advisors LLC669,950$6.62M3.77%+302,670+82.4%Added
Ameriprise Financial Inc622,901$6.15M0.00%+622,901New
Royce & Associates LP580,432$5.74M0.06%+88,600+18.0%Added
Two Sigma Investments, LP553,547$5.47M0.02%+392,008+242.7%Added
Essex Investment Management Co LLC550,480$5.44M0.88%+39,992+7.8%Added
State Street Corp549,444$5.43M0.00%+41,619+8.2%Added
Samjo Capital LLC520,000$5.14M6.27%+175,000+50.7%Added
Quinn Opportunity Partners LLC478,426$4.73M0.44%+478,426New
FMR LLC469,245$4.64M0.00%−66,922−12.5%Reduced
Nuveen Asset Management, LLC463,126$4.58M0.00%+384,888+491.9%Added
Geode Capital Management, LLC454,705$4.49M0.00%+49,198+12.1%Added
Two Sigma Advisers, LP428,700$4.24M0.01%+304,200+244.3%Added
Baird Financial Group, Inc.392,305$3.88M0.01%−12,814−3.2%Reduced
Morgan Stanley375,945$3.72M0.00%+236,413+169.4%Added
UBS Asset Management Americas Inc344,494$3.40M0.00%−4,385−1.3%Reduced
Jetstream Capital LLC340,000$3.36M7.25%+184,000+117.9%Added
G2 Investment Partners Management LLC336,100$3.32M1.06%−55,053−14.1%Reduced
Dimensional Fund Advisors LP330,657$3.27M0.00%−110,590−25.1%Reduced
Deutsche Bank AG326,175$3.22M0.00%+846+0.3%Added
Redwood Investments, LLC311,328$3.08M0.34%+41,559+15.4%Added
ExodusPoint Capital Management, LP310,039$3.06M0.04%+26,146+9.2%Added
Northern Trust Corp261,204$2.58M0.00%+54,762+26.5%Added
Lazard Asset Management LLC245,956$2.43M0.00%+245,956New
Goldman Sachs Group Inc209,003$2.06M0.00%+34,386+19.7%Added
Millennium Management LLC204,105$2.02M0.00%−8,188−3.9%Reduced
D. E. Shaw & Co., Inc.201,996$2.00M0.00%+201,996New
Assenagon Asset Management S.A.192,895$1.91M0.01%+184,254+2,132.3%Added
Kennedy Capital Management, Inc.185,554$1.83M0.05%+19,814+12.0%Added
Zevenbergen Capital Investments LLC178,322$1.76M0.08%−700−0.4%Reduced
Silvercrest Asset Management Group LLC151,504$1.50M0.01%−6,556−4.1%Reduced
Walleye Capital LLC136,171$1.34M0.04%+136,171New
Clear Sky Advisers, LLC117,000$1.16M1.03%+110,500+1,700.0%Added
Barclays PLC113,874$1.13M0.00%+110,171+2,975.2%Added
Bank of America Corp107,723$1.06M0.00%+51,501+91.6%Added
Afton Capital Management LLC107,119$1.06M3.13%−20,224−15.9%Reduced
Point72 Asset Management, L.P.106,850$1.06M0.00%+94,850+790.4%Added
Trellus Management Company, LLC106,463$1.05M1.48%+900+0.9%Added
Gilder Gagnon Howe & Co LLC101,142$999.0K0.02%−7,788−7.1%Reduced
Ardsley Advisory Partners LP100,500$999.0K0.25%+100,500New
AMH Equity Ltd100,000$988.0K1.95%−221,414−68.9%Reduced
Adage Capital Partners GP, L.L.C.100,000$988.0K0.00%+100,000New
Bank of New York Mellon Corp95,639$944.0K0.00%+771+0.8%Added
Squarepoint Ops LLC92,765$917.0K0.01%+49,636+115.1%Added
Greenwood Capital Associates LLC90,213$891.0K0.14%+14,134+18.6%Added
Apis Capital Advisors, LLC89,600$885.0K1.00%+89,600New
Renaissance Technologies LLC78,300$774.0K0.00%+21,600+38.1%Added
Bridgewater Advisors Inc.74,000$731.0K0.15%+19,000+34.5%Added
Sargent Investment Group, LLC73,458$726.0K0.22%+7,000+10.5%Added
Redwood Grove Capital, LLC73,210$723.0K0.39%00.0%Unchanged
Charles Schwab Investment Management Inc71,608$708.0K0.00%+13,016+22.2%Added
UBS Group AG71,112$703.0K0.00%+2,334+3.4%Added
Swiss National Bank70,100$693.0K0.00%+7,500+12.0%Added
Allspring Global Investments Holdings, LLC67,383$665.0K0.00%+17,420+34.9%Added
Engineers Gate Manager LP66,338$655.0K0.02%+66,338New
HRT Financial LP60,500$597.0K0.01%+60,500New
Alliancebernstein L.P.60,222$595.0K0.00%+41,922+229.1%Added
Virtu Financial LLC56,486$558.0K0.05%+56,486New
Citadel Advisors LLC55,589$549.0K0.00%−136,249−71.0%Reduced
Harvey Partners, LLC55,231$546.0K0.12%−24,769−31.0%Reduced
Cubist Systematic Strategies, LLC49,898$493.0K0.00%+47,586+2,058.2%Added
Boothbay Fund Management, LLC47,574$470.0K0.02%+32,074+206.9%Added
Susquehanna International Group, LLP43,046$425.0K0.00%−56,429−56.7%Reduced
Man Group plc–$403.0K0.00%–New
Guggenheim Capital LLC38,316$379.0K0.00%+20,778+118.5%Added
Monashee Investment Management LLC37,500$371.0K0.14%+37,500New
California State Teachers Retirement System37,155$367.0K0.00%+5,273+16.5%Added
Firsthand Capital Management, Inc.35,000$346.0K0.30%00.0%Unchanged
PEAK6 Investments LLC34,106$337.0K0.01%+26,148+328.6%Added
Invesco Ltd.31,738$314.0K0.00%−697,088−95.6%Reduced
Woodmont Investment Counsel LLC31,519$311.0K0.04%+3,309+11.7%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.31,365$310.0K0.00%+11,159+55.2%Added
Rhumbline Advisers30,984$306.0K0.00%+8,613+38.5%Added
Russell Investments Group, Ltd.29,811$294.0K0.00%−64,262−68.3%Reduced
State of Wisconsin Investment Board29,081$287.0K0.00%+7,181+32.8%Added
ARS Investment Partners, LLC26,048$257.0K0.04%+6,287+31.8%Added
JPMorgan Chase & Co25,021$247.0K0.00%+7,547+43.2%Added
Jane Street Group, LLC24,564$243.0K0.00%−45,937−65.2%Reduced
Invenire Partners, LP24,494$242.0K0.32%−33,050−57.4%Reduced
SEI Investments Co24,356$241.0K0.00%+14,117+137.9%Added
FNY Investment Advisers, LLC24,201$239.0K0.18%+24,201New
Quantbot Technologies LP24,028$237.0K0.02%+4,378+22.3%Added
AQR Capital Management LLC23,506$232.0K0.00%−10,628−31.1%Reduced
Citigroup Inc22,624$223.0K0.00%+17,182+315.7%Added
SG Americas Securities, LLC22,525$223.0K0.00%+22,525New
Choate Investment Advisors20,362$201.0K0.01%00.0%Unchanged
State Board of Administration of Florida Retirement System19,108$189.0K0.00%+10,010+110.0%Added
Credit Suisse AG17,773$176.0K0.00%−430−2.4%Reduced
New York State Common Retirement Fund15,559$154.0K0.00%−29−0.2%Reduced
XTX Topco Ltd15,106$149.0K0.06%+15,106New
Weiss Multi-Strategy Advisers LLC15,000$148.0K0.00%+15,000New