AI Holders Summary · Q1 2026

180 institutions reported ASPN in Q1 2026. KIM, LLC leads at 23.4% 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

$42M12.3M4.30%Q1 2026 02

OAKTOP CAPITAL MANAGEMENT II, L.P.

CIK 0001550660

$18M5.2M1.32%Q1 2026 03

BlackRock, Inc.

CIK 0002012383

$16M4.7M0.00%Q1 2026 04

NEEDHAM INVESTMENT MANAGEMENT LLC

CIK 0001167212

$12M4.4M0.78%Q4 2025 05

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$12M3.4M0.00%Q1 2026 06

GEORGE KAISER FAMILY FOUNDATION

CIK 0001265376

$11M3.2M1.23%Q1 2026 07

STATE STREET CORP

CIK 0000093751

$8M2.3M0.00%Q1 2026 08

Invesco Ltd.

CIK 0000914208

$8M2.3M0.00%Q1 2026 09

GAGNON SECURITIES LLC

CIK 0001125725

$6M1.9M1.47%Q1 2026 10

RICE HALL JAMES & ASSOCIATES, LLC

CIK 0001230765

$5M1.6M0.30%Q1 2026 11

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$5M1.5M0.00%Q1 2026 12

AMERIPRISE FINANCIAL INC

CIK 0000820027

$5M1.5M0.00%Q1 2026 13

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$5M1.4M0.00%Q1 2026 14

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$4M1.3M0.00%Q1 2026 15

AMERICAN CENTURY COMPANIES INC

CIK 0000748054

$4M1.2M0.00%Q1 2026 16

JACOBS LEVY EQUITY MANAGEMENT, INC

CIK 0000884414

$4M1.2M0.02%Q1 2026 17

CITADEL ADVISORS LLC

CIK 0001423053

$4M1.3M0.00%Q4 2025 18

Telemark Asset Management, LLC

CIK 0001420816

$3M1.0M0.32%Q1 2026 19

ROYCE & ASSOCIATES LP

CIK 0000906304

$3M987K0.03%Q1 2026 20

GOLDMAN SACHS GROUP INC

CIK 0000886982

$3M900K0.00%Q1 2026

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