Skip to main content
Livermore
Livermore
ZHEN

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.

Q2 2026 vs. Q1 2026

How the institutions holding Aspen Aerogels Inc changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of ASPN: Q1 2026 compared with Q2 2026
MeasureQ1 2026Of which not filed for Q2 2026Q2 2026Change
Holders1662179+15
Shares69.3M24.7K73.4M+4.14M (+6.0%)
Value$236.7M$84.6K$464.9M+$228.2M (+96.4%)

2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (37)

Institutions that held Aspen Aerogels Inc at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to ASPN in Q2 2026
InstitutionSharesValue% of portfolio
Acadian Asset Management LLC684,915$4.34M0.01%
Baird Financial Group, Inc.345,193$2.19M0.00%
Trexquant Investment LP302,439$1.92M0.01%
Renaissance Technologies LLC274,392$1.74M0.00%
Arrowstreet Capital, Limited Partnership171,150$1.09M0.00%
Jump Financial, LLC168,865$1.07M0.01%
Jefferies Financial Group Inc.126,303$800.8K0.01%
Ieq Capital, LLC103,313$655.0K0.00%
Winton Group Ltd61,200$388.0K0.01%
Centiva Capital, LP56,459$357.9K0.01%
SRS Capital Advisors, Inc.46,153$292.6K0.00%
Mariner, LLC42,652$270.4K0.00%
Mercer Global Advisors Inc38,679$245.2K0.00%
State of Wyoming38,000$240.9K0.02%
Fox Run Management, L.L.C.37,919$240.4K0.04%
Y-Intercept (Hong Kong) Ltd36,820$233.4K0.00%
SG Americas Securities, LLC34,349$218.0K0.00%
Diversified Trust Co33,047$209.5K0.00%
Creative Planning31,432$199.3K0.00%
Bailard, Inc.29,508$187.1K0.00%
Headlands Technologies LLC27,413$173.8K0.02%
Captrust Financial Advisors19,187$121.6K0.00%
Quadrature Capital Ltd19,169$121.5K0.00%
Keebeck Alpha, LP13,949$88.4K0.18%
Prelude Capital Management, LLC13,911$88.2K0.01%
Equitable Holdings, Inc.13,830$87.7K0.00%
Brighton Jones LLC12,792$81.1K0.00%
R Squared Ltd11,957$75.8K0.04%
Pallas Capital Advisors LLC10,900$69.1K0.00%
Quantinno Capital Management LP10,334$65.5K0.00%
Performa Ltd (US), LLC800$5.07K0.00%
SJS Investment Consulting Inc.188$1.19K0.00%
Clearstead Advisors, LLC160$1.01K0.00%
Fortitude Family Office, LLC126$7990.00%
Wealth Enhancement Trust Services, Inc.58$3680.00%
JPL Wealth Management, LLC23$1460.00%
Silver Grove Financial Group, Inc.4$250.00%

Sold out (22)

Institutions that held Aspen Aerogels Inc at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of ASPN in Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
HRT Financial LP870,435$2.98M
Samjo Management, LLC645,625$2.21M
Jane Street Group, LLC187,860$642.5K
Engineers Gate Manager LP148,159$506.7K
Lazard Asset Management LLC141,745$484.8K
Alps Advisors Inc124,353$425.3K
Numerai GP LLC95,900$328.0K
Axq Capital, LP26,624$91.1K
IMC-Chicago, LLC22,470$76.8K
RSM US Wealth Management LLC17,250$59.0K
Brevan Howard Capital Management LP11,619$39.7K
Aptus Capital Advisors, LLC10,537$36.0K
Clarus Group, Inc.10,504$35.9K
Spears Abacus Advisors LLC10,000$34.2K
MAI Capital Management4,843$16.6K
Banque Cantonale Vaudoise4,154$14.0K
Gunpowder Capital Management, LLC dba Oliver Wealth Management3,863$13.2K
Rachor Investment Advisory Services, LLC1,177$4.03K
National Bank of Canada1,000$3.42K
Wealth Preservation Advisors, LLC127$434
Parkside Financial Bank & Trust80$274
Quaker Wealth Management, LLC33$113

Not filed for Q2 2026 yet (2)

Institutions that held Aspen Aerogels Inc at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ASPN in Q1 2026 that haven't filed for Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
CWM, LLC24,626$84.2K
Sunbelt Securities, Inc.119$407