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, Q1 2025

Institutional positions in Aspen Aerogels Inc as of Mar 31, 2025. 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
221
−6 vs. Q4 2024
Shares held
71.3M
−665.8K (−0.9%) vs. Q4 2024
Total value
$455.4M
−$400.4M (−46.8%) vs. Q4 2024
New holders
45
83 more added
Sold out
51
66 more reduced

4 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2025: 221 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 2025: $455.4M
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 2025

Shares, value and share of portfolio for each institution holding Aspen Aerogels Inc; share changes are against Q4 2024.

Institutions holding ASPN in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Covestor Ltd6$00.00%00.0%Unchanged
Capital Advisors, Ltd. LLC24$00.00%+24New
Skopos Labs, Inc.5$320.00%−140−96.6%Reduced
Federation des caisses Desjardins du Quebec15$960.00%−800−98.2%Reduced
TD Capital Management LLC22$1410.00%+22New
CoreCap Advisors, LLC23$1470.00%+23New
Asset Planning,Inc25$1600.00%00.0%Unchanged
Farther Finance Advisors, LLC36$2290.00%−145−80.1%Reduced
The PNC Financial Services Group, Inc.40$2560.00%+40New
Colonial Trust Advisors50$3200.00%00.0%Unchanged
Point72 Hong Kong Ltd56$3550.00%+56New
Smartleaf Asset Management LLC71$4670.00%−169−70.4%Reduced
Caitong International Asset Management Co., Ltd84$5370.00%−3,106−97.4%Reduced
Assetmark, Inc100$6390.00%+100New
Cullen/Frost Bankers, Inc.103$6580.00%00.0%Unchanged
Quadrant Capital Group LLC105$6710.00%+86+452.6%Added
Colonial Trust Co108$6900.00%−95−46.8%Reduced
EverSource Wealth Advisors, LLC123$7860.00%+108+720.0%Added
Rothschild Investment LLC125$7990.00%+105+525.0%Added
Hexagon Capital Partners LLC135$8630.00%+135New
HHM Wealth Advisors, LLC200$1.28K0.00%00.0%Unchanged
Ameriflex Group, Inc.200$1.28K0.00%00.0%Unchanged
HighMark Wealth Management LLC250$1.60K0.00%00.0%Unchanged
Minot DeBlois Advisors LLC300$1.92K0.00%00.0%Unchanged
Signaturefd, LLC321$2.05K0.00%−147−31.4%Reduced
Comerica Bank328$2.10K0.00%+78+31.2%Added
Nisa Investment Advisors, LLC401$2.56K0.00%+46+13.0%Added
South State Corp.417$2.67K0.00%+417New
Quarry LP435$2.78K0.00%+435New
Aster Capital Management (DIFC) Ltd435$3.31K0.00%−506−53.8%Reduced
GAMMA Investing LLC519$3.32K0.00%+361+228.5%Added
Allworth Financial LP617$3.37K0.00%+598+3,147.4%Added
Performa Ltd (US), LLC600$3.83K0.00%+600New
MAI Capital Management651$4.16K0.00%+651New
Sterling Capital Management LLC844$5.39K0.00%−625−42.5%Reduced
TD Waterhouse Canada Inc.1,000$6.35K0.00%+300+42.9%Added
US Bancorp1,418$9.06K0.00%−476−25.1%Reduced
Morse Asset Management, Inc1,570$10.0K0.00%−5,599−78.1%Reduced
Jones Financial Companies LLLP1,745$11.5K0.00%+1,700+3,777.8%Added
Bokf, NA2,000$12.8K0.00%00.0%Unchanged
Amalgamated Bank2,130$14.0K0.00%+386+22.1%Added
Larson Financial Group LLC2,296$14.7K0.00%+296+14.8%Added
Tower Research Capital LLC (TRC)2,542$16.2K0.00%−21,823−89.6%Reduced
Coldstream Capital Management Inc2,986$19.1K0.00%+2,986New
Parallel Advisors, LLC3,640$23.3K0.00%+3,640New
SBI Securities Co., Ltd.3,792$24.2K0.00%+1,788+89.2%Added
First PREMIER Bank4,000$26.0K0.01%00.0%Unchanged
Bryn Mawr Trust Co4,500$28.8K0.00%00.0%Unchanged
Point72 Asia (Singapore) Pte. Ltd.4,511$28.8K0.01%+3,513+352.0%Added
Ameritas Investment Partners, Inc.5,708$36.5K0.00%00.0%Unchanged
Public Employees Retirement Association of Colorado6,088$39.0K0.00%00.0%Unchanged
Acadian Asset Management LLC6,880$43.0K0.00%+6,880New
Simplex Trading, LLC7,080$45.0K0.00%+3,414+93.1%Added
Banque Cantonale Vaudoise6,974$45.0K0.00%+6,974New
Exchange Traded Concepts, LLC7,436$47.5K0.00%+6,109+460.4%Added
Advisor Group Holdings, Inc.8,225$52.5K0.00%−1,896−18.7%Reduced
CWM, LLC8,325$53.0K0.00%+7,953+2,137.9%Added
Choate Investment Advisors10,000$63.9K0.00%00.0%Unchanged
Teacher Retirement System of Texas10,157$64.9K0.00%+10,157New
Guggenheim Capital LLC10,379$66.3K0.00%+10,379New
Icapital Wealth LLC11,202$71.6K0.04%00.0%Unchanged
HB Wealth Management, LLC11,481$73.4K0.00%−1,493−11.5%Reduced
Two Sigma Securities, LLC11,513$73.6K0.01%+11,513New
FORA Capital, LLC12,362$79.0K0.01%+12,362New
Police & Firemen's Retirement System of New Jersey12,912$82.5K0.00%00.0%Unchanged
Integrated Wealth Concepts LLC13,151$84.0K0.00%+13,151New
ProShare Advisors LLC13,361$85.4K0.00%−4,025−23.2%Reduced
CIBC World Markets Corp13,698$87.5K0.00%+13,698New
KLP Kapitalforvaltning AS13,800$88.2K0.00%00.0%Unchanged
Jane Street Group, LLC14,155$90.5K0.00%−71,307−83.4%Reduced
Gsa Capital Partners LLP14,294$91.0K0.01%−29,605−67.4%Reduced
Kovitz Investment Group Partners, LLC14,548$93.0K0.00%−19,692−57.5%Reduced
State Board of Administration of Florida Retirement System14,618$93.4K0.00%00.0%Unchanged
Eisler Capital Management Ltd.15,469$99.0K0.00%+15,469New
Ballentine Partners, LLC16,317$104.3K0.00%+403+2.5%Added
Voya Investment Management LLC16,606$106.1K0.00%−848−4.9%Reduced
Concurrent Investment Advisors, LLC17,093$109.2K0.00%+17,093New
Journey Strategic Wealth LLC17,596$112.4K0.00%+2,596+17.3%Added
Penbrook Management LLC18,155$116.0K0.09%+18,155New
Man Group plc18,706$119.5K0.00%+18,706New
Quantbot Technologies LP19,334$123.5K0.00%−45,338−70.1%Reduced
Arizona State Retirement System20,004$127.8K0.00%+989+5.2%Added
Connors Investor Services Inc20,167$128.9K0.01%+6,000+42.4%Added
Avantax Advisory Services, Inc.20,525$131.2K0.00%+20,525New
Manufacturers Life Insurance Company, The22,015$140.7K0.00%−8,982−29.0%Reduced
Sherbrooke Park Advisers LLC22,397$143.1K0.07%+5,379+31.6%Added
DnB Asset Management AS23,126$147.8K0.00%00.0%Unchanged
Fox Run Management, L.L.C.23,955$153.1K0.02%−63,618−72.6%Reduced
D. E. Shaw & Co., Inc.24,789$158.4K0.00%+24,789New
Raymond James Financial Inc24,872$158.9K0.00%−219,982−89.8%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)25,233$161.2K0.00%+7,449+41.9%Added
Quadrature Capital Ltd25,300$161.3K0.00%+10,014+65.5%Added
Verition Fund Management LLC25,704$164.2K0.00%−21,626−45.7%Reduced
IFP Advisors, Inc26,716$170.8K0.01%+5,997+28.9%Added
Group One Trading, L.P.27,579$176.2K0.01%−60,253−68.6%Reduced
Wolverine Trading, LLC27,851$183.3K0.01%+3,980+16.7%Added
Woodmont Investment Counsel LLC30,003$191.7K0.01%+4,653+18.4%Added
Abbot Financial Management, Inc.30,180$192.8K0.10%−75−0.2%Reduced
Corebridge Financial, Inc.30,242$193.2K0.00%−449−1.5%Reduced
Janus Henderson Group PLC30,455$200.2K0.00%00.0%Unchanged