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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.

Q3 2023 vs. Q2 2023

How the institutions holding Aspen Aerogels Inc changed between Q2 2023 and Q3 2023.

All holders in Q3 2023All holders in Q2 2023

13F holders of ASPN: Q2 2023 compared with Q3 2023
MeasureQ2 2023Of which not filed for Q3 2023Q3 2023Change
Holders1591159+1
Shares66.5M1.91M67.8M+3.17M (+4.9%)
Value$524.6M$15.1M$582.9M+$73.3M (+14.4%)

1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (21)

Institutions that held Aspen Aerogels Inc at the end of Q3 2023 but not at the end of Q2 2023.

Institutions new to ASPN in Q3 2023
InstitutionSharesValue% of portfolio
AIGH Capital Management LLC1,752,022$15.1M7.14%
Frontier Capital Management Co LLC963,587$8.29M0.09%
Masters Capital Management LLC498,500$4.29M0.84%
Worth Venture Partners, LLC428,367$3.68M2.20%
Harvey Partners, LLC302,500$2.60M0.33%
Maven Securities LTD100,000$860.0K0.09%
DLD Asset Management, LP88,147$758.1K0.11%
Fuller & Thaler Asset Management, Inc.76,580$658.6K0.00%
Principal Financial Group Inc52,156$448.5K0.00%
Mesirow Financial Investment Management, Inc.38,791$333.6K1.45%
Advisory Research Inc25,824$222.1K0.03%
Prelude Capital Management, LLC20,513$176.4K0.02%
Pinebridge Investments, L.P.18,220$156.7K0.00%
Regions Financial Corp14,000$120.4K0.00%
Gsa Capital Partners LLP12,061$104.0K0.01%
Umb Bank N A1,200$10.3K0.00%
AlphaMark Advisors, LLC1,000$9.00K0.00%
Lindbrook Capital, LLC738$6.35K0.00%
Red Tortoise LLC271$2.33K0.00%
Clearstead Advisors, LLC100$8600.00%
Federation des caisses Desjardins du Quebec15$1290.00%

Sold out (20)

Institutions that held Aspen Aerogels Inc at the end of Q2 2023 and filed for Q3 2023 without it.

Not filed for Q3 2023 yet (1)

Institutions that held Aspen Aerogels Inc at the end of Q2 2023 and haven't filed a 13F for Q3 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ASPN in Q2 2023 that haven't filed for Q3 2023
InstitutionShares, Q2 2023Value, Q2 2023
Cowen Prime Advisors LLC1,911,500$15.1M