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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 2024

Institutional positions in Aspen Aerogels Inc as of Sep 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
243
+22 vs. Q2 2024
Shares held
70.2M
+4.01M (+6.1%) vs. Q2 2024
Total value
$1.93B
+$344.1M (+21.8%) vs. Q2 2024
New holders
65
76 more added
Sold out
43
66 more reduced

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2024: 243 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 2024: $1.93B
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 2024

Shares, value and share of portfolio for each institution holding Aspen Aerogels Inc; share changes are against Q2 2024.

Institutions holding ASPN in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Dakota Wealth Management35,609$986.0K0.02%+35,609New
Group One Trading, L.P.35,381$979.7K0.04%+35,381New
Greenwood Capital Associates LLC35,189$974.4K0.13%−700−2.0%Reduced
Manufacturers Life Insurance Company, The35,121$972.5K0.00%+9,118+35.1%Added
MetLife Investment Management33,664$932.2K0.01%00.0%Unchanged
Millennium Management LLC33,390$924.6K0.00%−358,173−91.5%Reduced
Promethium Advisors,llc33,065$915.6K0.65%+33,065New
Royal Bank of Canada32,125$889.0K0.00%+19,157+147.7%Added
Harvest Investment Services, LLC32,105$889.0K0.28%+4,702+17.2%Added
Mirae Asset Global ETFs Holdings Ltd.31,999$886.1K0.00%+5,967+22.9%Added
Corebridge Financial, Inc.31,153$862.6K0.00%−192−0.6%Reduced
Marshall Wace, LLP31,100$861.2K0.00%+5,200+20.1%Added
Price T Rowe Associates Inc30,763$852.0K0.00%+8,877+40.6%Added
Janus Henderson Group PLC30,455$843.1K0.00%00.0%Unchanged
Virtu Financial LLC30,034$832.0K0.05%−8,974−23.0%Reduced
IMC-Chicago, LLC29,613$820.0K0.02%+16,112+119.3%Added
Lombard Odier Asset Management (USA) Corp29,528$817.6K0.30%+29,528New
Davy Global Fund Management Ltd29,131$806.6K0.08%00.0%Unchanged
Abbot Financial Management, Inc.29,109$806.0K0.41%+3,893+15.4%Added
Churchill Management Corp28,941$801.4K0.01%−4,639−13.8%Reduced
Simplex Trading, LLC26,481$733.0K0.02%−7,493−22.1%Reduced
Verition Fund Management LLC25,953$718.6K0.00%+5,586+27.4%Added
JPMorgan Chase & Co25,690$711.4K0.00%+790+3.2%Added
Woodmont Investment Counsel LLC25,350$702.0K0.05%00.0%Unchanged
Gsa Capital Partners LLP24,860$688.0K0.05%−41,351−62.5%Reduced
ARS Investment Partners, LLC24,587$680.8K0.06%−897−3.5%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.24,355$674.4K0.00%−924−3.7%Reduced
Franklin Resources Inc29,418$669.6K0.00%+1,483+5.3%Added
Numerai GP LLC23,333$646.1K0.17%−7,730−24.9%Reduced
Wolverine Trading, LLC21,858$623.8K0.02%+21,858New
D. E. Shaw & Co., Inc.22,465$622.1K0.00%−519,040−95.9%Reduced
LPL Financial LLC22,063$610.9K0.00%+2,110+10.6%Added
Envestnet Asset Management Inc21,642$599.3K0.00%+21,642New
Yorktown Management & Research Co Inc21,500$595.3K0.61%+21,500New
HB Wealth Management, LLC21,363$591.5K0.01%+21,363New
Perigon Wealth Management, LLC20,655$571.9K0.02%+11,889+135.6%Added
Allianz Asset Management GmbH20,289$561.8K0.00%+20,289New
New York State Common Retirement Fund20,131$557.4K0.00%−4,700−18.9%Reduced
AMH Equity Ltd20,000$553.8K0.73%+20,000New
Voya Investment Management LLC18,898$523.3K0.00%−496−2.6%Reduced
Arizona State Retirement System18,640$516.1K0.00%+1,470+8.6%Added
BNP Paribas Arbitrage, SA18,189$503.7K0.00%−86,832−82.7%Reduced
Bryn Mawr Trust Co18,000$498.4K0.01%+18,000New
Intech Investment Management LLC17,956$497.2K0.01%+17,956New
Nebula Research & Development LLC16,435$455.1K0.05%+7,819+90.7%Added
Mariner, LLC16,404$454.3K0.00%+1,141+7.5%Added
Cambridge Investment Research Advisors, Inc.16,276$451.0K0.00%+853+5.5%Added
Convergence Investment Partners, LLC15,257$422.5K0.11%+15,257New
Commonwealth Equity Services, LLC15,210$421.0K0.00%+15,210New
Y-Intercept (Hong Kong) Ltd15,175$420.2K0.03%+15,175New
Maven Securities LTD15,000$415.4K0.05%+15,000New
Cim, LLC14,965$414.4K0.06%−109−0.7%Reduced
AQR Capital Management LLC14,659$405.9K0.00%−64,056−81.4%Reduced
State Board of Administration of Florida Retirement System14,618$404.8K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)14,310$396.2K0.00%00.0%Unchanged
Cornerstone Investment Partners, LLC13,965$386.7K0.02%+464+3.4%Added
Qube Research & Technologies Ltd13,858$383.7K0.00%−195,459−93.4%Reduced
SG Americas Securities, LLC13,700$379.0K0.00%+13,700New
Walleye Trading LLC13,607$376.8K0.01%+13,476+10,287.0%Added
Bank of Montreal13,099$373.8K0.00%+119+0.9%Added
Petrus Trust Company, LTA13,426$371.8K0.04%+13,426New
Ballentine Partners, LLC13,349$369.6K0.01%−121−0.9%Reduced
TD Waterhouse Canada Inc.13,285$348.7K0.00%+13,185+13,185.0%Added
Precision Wealth Strategies, LLC12,551$347.5K0.32%+12,551New
Baader Bank INC12,291$339.6K0.03%+12,291New
Walleye Capital LLC11,580$320.6K0.00%−57,758−83.3%Reduced
ProShare Advisors LLC11,010$304.9K0.00%+11,010New
Gotham Asset Management, LLC10,606$293.7K0.00%+10,606New
Independent Financial Group, LLC10,308$285.4K0.01%+1,308+14.5%Added
Choate Investment Advisors10,000$276.9K0.01%00.0%Unchanged
Spears Abacus Advisors LLC10,000$276.9K0.01%+10,000New
Sigma Planning Corp9,880$273.6K0.01%+9,880New
Victory Capital Management Inc9,604$265.9K0.00%−39−0.4%Reduced
Morse Asset Management, Inc9,543$264.2K0.06%+9,543New
Kovitz Investment Group Partners, LLC9,500$263.1K0.00%+9,500New
Advisor Group Holdings, Inc.9,303$257.6K0.00%−28,015−75.1%Reduced
Raymond James & Associates9,250$256.1K0.00%−9,467−50.6%Reduced
Pictet Asset Management Holding SA9,156$253.5K0.00%00.0%Unchanged
NorthCrest Asset Manangement, LLC9,103$252.1K0.01%−10.0%Reduced
Mesirow Financial Investment Management, Inc.9,100$252.0K0.00%+9,100New
HighPoint Advisor Group LLC13,850$250.0K0.01%+13,850New
Raymond James Financial Services Advisors, Inc.8,432$233.5K0.00%+8,432New
EntryPoint Capital, LLC8,141$225.4K0.13%+8,141New
Icapital Wealth LLC8,025$222.2K0.12%+8,025New
Sanders Morris Harris LLC8,000$221.5K0.04%+8,000New
ExodusPoint Capital Management, LP7,857$218.0K0.00%+7,857New
HSBC Holdings PLC7,275$215.9K0.00%−23,395−76.3%Reduced
Quest Partners LLC7,397$204.8K0.02%+5,361+263.3%Added
Tower Research Capital LLC (TRC)7,353$203.6K0.01%−7,269−49.7%Reduced
Venture Visionary Partners LLC6,767$187.4K0.01%+6,767New
Public Employees Retirement Association of Colorado6,088$169.0K0.00%00.0%Unchanged
nVerses Capital, LLC5,800$160.6K0.07%+1,800+45.0%Added
Ameritas Investment Partners, Inc.5,708$158.1K0.01%00.0%Unchanged
Catalyst Funds Management Pty Ltd4,400$121.8K0.03%+4,400New
Quent Capital, LLC4,149$118.4K0.01%+4,149New
First PREMIER Bank4,000$111.0K0.03%00.0%Unchanged
Russell Investments Group, Ltd.3,343$92.6K0.00%−66,674−95.2%Reduced
Banque Cantonale Vaudoise3,264$90.0K0.00%00.0%Unchanged
KBC Group NV1,764$49.0K0.00%00.0%Unchanged
Bokf, NA2,000$48.3K0.00%+2,000New