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ASPN

ASPN

Aspen Aerogels, Inc.Industrials

Institutional holders
181
As of Q2 2026
Total 13F value
$471.2M
Sum of disclosed positions
New positions
39
This quarter
Sold positions
23
This quarter

Top holders

Institutions with disclosed positions in this stock

FundValueShares% PortfolioChange
KIM, LLC

Kim, Llc

$77.9M12.28M7.76%Unchanged
BlackRock, Inc.

Blackrock, Inc.

$33.5M5.28M0.00%+11.3%
OAKTOP CAPITAL MANAGEMENT II, L.P.

Oaktop Capital Management Ii, L.P.

$32.8M5.17M1.39%Unchanged
VANGUARD CAPITAL MANAGEMENT LLC

Vanguard Capital Management Llc

$22.4M3.54M0.00%+3.0%
NEEDHAM INVESTMENT MANAGEMENT LLC

Needham Investment Management Llc

$20.7M3.26M0.40%-27.8%
GEORGE KAISER FAMILY FOUNDATION

George Kaiser Family Foundation

$20.1M3.17M1.93%Unchanged
STATE STREET CORP

State Street Corporation

$16.2M2.56M0.00%+10.3%
AMERICAN CENTURY COMPANIES INC

American Century Companies Inc

$15.9M2.51M0.01%+101.2%
JACOBS LEVY EQUITY MANAGEMENT, INC

Jacobs Levy Equity Management, Inc

$13M2.06M0.05%+68.9%
AMERIPRISE FINANCIAL INC

Ameriprise Financial Inc

$11.5M1.82M0.00%+20.9%
GEODE CAPITAL MANAGEMENT, LLC

Geode Capital Management, Llc

$11.2M1.77M0.00%+14.9%
RICE HALL JAMES & ASSOCIATES, LLC

Rice Hall James & Associates, Llc

$10.4M1.64M0.50%+5.3%
Invesco Ltd.

Invesco Ltd.

$10.3M1.62M0.00%-29.5%
GAGNON SECURITIES LLC

Gagnon Securities Llc

$9.7M1.54M1.88%-17.5%
DIMENSIONAL FUND ADVISORS LP

Dimensional Fund Advisors Lp

$9.2M1.45M0.00%+15.2%
GOLDMAN SACHS GROUP INC

Goldman Sachs Group

$8.7M1.37M0.00%+52.6%
ROYCE & ASSOCIATES LP

Royce & Associates Lp

$8.4M1.32M0.07%+34.1%
AQR CAPITAL MANAGEMENT LLC

Aqr Capital Management Llc

$8.1M1.28M0.00%+142.6%
MILLENNIUM MANAGEMENT LLC

Millennium Management

$7.5M1.19M0.00%-15.2%
MARSHALL WACE, LLP

Marshall Wace, Llp

$7.3M1.15M0.00%-9.2%
D. E. Shaw & Co., Inc.

D.E. Shaw & Co

$6.8M1.07M0.00%+27.9%
Telemark Asset Management, LLC

Telemark Asset Management, Llc

$6.3M1.00M0.46%Unchanged
JPMORGAN CHASE & CO

Jpmorgan Chase

$6M1.00M0.00%New Position
BNP PARIBAS FINANCIAL MARKETS

Bnp Paribas Arbitrage, Snc

$5.5M867.2K0.00%+24.3%
TWO SIGMA INVESTMENTS, LP

Two Sigma Investments

$4.9M779.5K0.00%+76.6%
VANGUARD PORTFOLIO MANAGEMENT LLC

Vanguard Portfolio Management Llc

$4.4M699.0K0.00%-2.5%
ACADIAN ASSET MANAGEMENT LLC

Acadian Asset Management Llc

$4.3M684.9K0.01%New Position
FEDERATED HERMES, INC.

Federated Hermes, Inc.

$3.8M596.9K0.01%+32.6%
Sixth Street Partners Management Company, L.P.

Sixth Street Partners Management Company, L.P.

$3.6M570.7K0.00%New Position
CHARLES SCHWAB INVESTMENT MANAGEMENT INC

Charles Schwab Investment Management Inc

$3.6M570.7K0.00%+2.5%
TUDOR INVESTMENT CORP ET AL

Tudor Investment Corp Et Al

$3.6M567.4K0.01%+275.5%
NORTHERN TRUST CORP

Northern Trust Corp

$3.6M565.6K0.00%+8.1%
CITADEL ADVISORS LLC

Citadel Advisors

$3M477.5K0.00%-58.9%
VANGUARD FIDUCIARY TRUST CO

Vanguard Fiduciary Trust Co

$3M474.4K0.00%+4.4%
PANAGORA ASSET MANAGEMENT INC

Panagora Asset Management Inc

$2.8M442.4K0.01%+1485.7%
MORGAN STANLEY

Morgan Stanley

$2.5M397.1K0.00%+110.9%
DEUTSCHE BANK AG\

Deutsche Bank Ag\

$2.4M372.1K0.00%+3.5%
Baird Financial Group, Inc.

Baird Financial Group, Inc.

$2.2M345.2K0.00%New Position
ALGERT GLOBAL LLC

Algert Global Llc

$1.9M302.6K0.02%-7.3%
Trexquant Investment LP

Trexquant Investment Lp

$1.9M302.4K0.01%New Position
RENAISSANCE TECHNOLOGIES LLC

Renaissance Technologies

$1.7M274.4K0.00%New Position
BANK OF AMERICA CORP /DE/

Bank Of America

$1.6M252.7K0.00%+4.9%
PRUDENTIAL FINANCIAL INC

Prudential Financial Inc

$1.5M229.9K0.00%+2164.3%
XTX Topco Ltd

Xtx Topco Ltd

$1.4M228.0K0.02%+13.2%
FIRST TRUST ADVISORS LP

First Trust Advisors Lp

$1.4M222.4K0.00%+22.7%
Bank of New York Mellon Corp

Bank Of New York Mellon Corp

$1.2M195.4K0.00%+5.2%
Palogic Value Management, L.P.

Palogic Value Management, L.P.

$1.2M185.6K0.39%-58.8%
CITIGROUP INC

Citigroup Inc

$1.2M181.7K0.00%-22.3%
IRONWOOD INVESTMENT MANAGEMENT LLC

Ironwood Investment Management Llc

$1.1M179.3K0.39%+7.6%
SUSQUEHANNA INTERNATIONAL GROUP, LLP

Susquehanna International Group, Llp

$1.1M177.4K0.00%-35.3%

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