ASPEN AEROGELS INC (ASPN) Institutional Ownership Changes & 13F Activity

ASPEN AEROGELS INC (ASPN). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Ameriprise Financial Inc, Invesco Ltd., Needham Investment Management Llc, Jacobs Levy Equity Management, Inc, and Aqr Capital Management Llc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Palogic Value Management, L.P.Sell-264,411-58.8%185,589$1.18MQ2 2026Sep 09, 2026
Manufacturers Life Insurance Company, TheBuy+758+4.1%19,056$120.81KQ2 2026Sep 09, 2026
Citadel Advisors LlcSell-342,456-58.9%238,731$1.51MQ2 2026Sep 02, 2026
California State Teachers Retirement SystemSell-2,659-74.1%929$5.89KQ2 2026Aug 24, 2026
Mercer Global Advisors IncBuy+38,67938,679$245.22KQ2 2026Aug 19, 2026
Jefferies Financial Group Inc.Buy+126,303126,303$800.76KQ2 2026Aug 17, 2026
Public Employees Retirement System Of OhioBuy+65,407+104.3%128,107$812.20KQ2 2026Aug 17, 2026
Equitable Holdings, Inc.Buy+13,83013,830$87.68KQ2 2026Aug 17, 2026
Ameriprise Financial IncBuy+1,821,2951,821,295$11.55MQ2 2026Aug 14, 2026
Invesco Ltd.Buy+1,619,9721,619,972$10.27MQ2 2026Aug 14, 2026
Needham Investment Management LlcSell-1,257,975-27.8%3,260,800$20.67MQ2 2026Aug 14, 2026
Jacobs Levy Equity Management, IncBuy+839,304+68.9%2,058,083$13.05MQ2 2026Aug 14, 2026
Aqr Capital Management LlcBuy+750,227+142.6%1,276,346$8.09MQ2 2026Aug 14, 2026
Goldman Sachs Group IncBuy+472,787+52.6%1,372,300$8.70MQ2 2026Aug 14, 2026
Tudor Investment Corp Et AlBuy+416,291+275.5%567,384$3.60MQ2 2026Aug 14, 2026
Two Sigma Investments, LpBuy+338,032+76.6%779,468$4.94MQ2 2026Aug 14, 2026
Royce & Associates LpBuy+336,705+34.1%1,323,218$8.39MQ2 2026Aug 14, 2026
Trexquant Investment LpBuy+302,439302,439$1.92MQ2 2026Aug 14, 2026
Point72 Asset Management, L.P.Sell-247,608-96.5%9,006$57.10KQ2 2026Aug 14, 2026
D. E. Shaw & Co., Inc.Buy+232,929+27.9%1,066,501$6.76MQ2 2026Aug 14, 2026
Millennium Management LlcSell-214,059-15.2%1,190,616$7.55MQ2 2026Aug 14, 2026
Balyasny Asset Management L.P.Sell-105,656-70.7%43,717$277.17KQ2 2026Aug 14, 2026
Susquehanna International Group, LlpSell-96,898-35.3%177,419$1.12MQ2 2026Aug 14, 2026
Hsbc Holdings PlcSell-91,136-86.8%13,846$86.40KQ2 2026Aug 14, 2026
State Of Wisconsin Investment BoardSell-69,429-67.6%33,247$210.79KQ2 2026Aug 14, 2026
Man Group PlcSell-53,063-37.0%90,259$572.24KQ2 2026Aug 14, 2026
Squarepoint Ops LlcSell-43,292-72.5%16,460$104.36KQ2 2026Aug 14, 2026
Bridgeway Capital Management, LlcBuy+35,000+46.7%110,000$697.40KQ2 2026Aug 14, 2026
Wells Fargo & Company/MnBuy+30,787+107.7%59,370$376.41KQ2 2026Aug 14, 2026
Xtx Topco LtdBuy+26,610+13.2%227,977$1.45MQ2 2026Aug 14, 2026
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Frequently asked questions about ASPN activity

  • Which institutional owners are buying ASPN?

    Institutional owners buying ASPN include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in ASPN activity?

    "Buy" means an investor increased their reported position in ASPN compared to the prior reporting period. This reflects growing exposure to ASPEN AEROGELS INC (ASPN) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in ASPN increasing?

    Institutional interest in ASPN can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.