AI Holders Summary · Q2 2026

192 institutions reported ASPN in Q2 2026. KIM, LLC leads at 22.9% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

Hide index funds / market makers / custodians(3 on this page)

#HolderValueShares% port.Quarter

KIM, LLC

CIK 0001888968

$78M12.3M7.76%Q2 2026 02

BlackRock, Inc.

CIK 0002012383

$33M5.3M0.00%Q2 2026 03

OAKTOP CAPITAL MANAGEMENT II, L.P.

CIK 0001550660

$33M5.2M1.39%Q2 2026 04

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$22M3.5M0.00%Q2 2026 05

GEORGE KAISER FAMILY FOUNDATION

CIK 0001265376

$20M3.2M1.93%Q2 2026 06

STATE STREET CORP

CIK 0000093751

$16M2.6M0.00%Q2 2026 07

AMERICAN CENTURY COMPANIES INC

CIK 0000748054

$16M2.5M0.01%Q2 2026 08

NEEDHAM INVESTMENT MANAGEMENT LLC

CIK 0001167212

$12M4.4M0.78%Q4 2025 09

AMERIPRISE FINANCIAL INC

CIK 0000820027

$12M1.8M0.00%Q2 2026 10

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$11M1.8M0.00%Q2 2026 11

RICE HALL JAMES & ASSOCIATES, LLC

CIK 0001230765

$10M1.6M0.50%Q2 2026 12

Invesco Ltd.

CIK 0000914208

$10M1.6M0.00%Q2 2026 13

GAGNON SECURITIES LLC

CIK 0001125725

$10M1.5M1.92%Q2 2026 14

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$9M1.4M0.00%Q2 2026 15

GOLDMAN SACHS GROUP INC

CIK 0000886982

$9M1.4M0.00%Q2 2026 16

ROYCE & ASSOCIATES LP

CIK 0000906304

$8M1.3M0.07%Q2 2026 17

AQR CAPITAL MANAGEMENT LLC

CIK 0001167557

$8M1.3M0.00%Q2 2026 18

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$8M1.2M0.00%Q2 2026 19

MARSHALL WACE, LLP

CIK 0001318757

$7M1.1M0.01%Q2 2026 20

Telemark Asset Management, LLC

CIK 0001420816

$6M1.0M0.46%Q2 2026

Page 1 of 10

172 more holders available. Log in →