Who Owns ASPEN AEROGELS INC (ASPN)? -- Institutional Holders (2026-06-30)

203 institutions reported holding $475.2M of ASPEN AEROGELS INC (ASPN) in SEC 13F filings for 2026-06-30. Largest institutional holders: KIM, LLC ($77.9M), BlackRock, Inc. ($33.5M), OAKTOP CAPITAL MANAGEMENT II, L.P. ($32.8M), VANGUARD GROUP INC ($30.1M), NEEDHAM INVESTMENT MANAGEMENT LLC ($20.7M). Source: SEC Form 13F.

Rank	Institution	Value	Shares	Change
1	KIM, LLC	$77.9M	12.3M	Hold
2	BlackRock, Inc.	$33.5M	5.3M	Added
3	OAKTOP CAPITAL MANAGEMENT II, L.P.	$32.8M	5.2M	Hold
4	VANGUARD GROUP INC	$30.1M	4.7M	Added
5	NEEDHAM INVESTMENT MANAGEMENT LLC	$20.7M	3.3M	Trimmed
6	George Kaiser Family Foundation	$20.1M	3.2M	Hold
7	STATE STREET CORP	$16.2M	2.6M	Added
8	AMERICAN CENTURY COMPANIES INC	$15.9M	2.5M	Added
9	JACOBS LEVY EQUITY MANAGEMENT, INC	$13.0M	2.1M	Added
10	AMERIPRISE FINANCIAL INC	$11.5M	1.8M	Added
11	GEODE CAPITAL MANAGEMENT, LLC	$11.2M	1.8M	Added
12	RICE HALL JAMES & ASSOCIATES, LLC	$10.4M	1.6M	Added
13	Invesco Ltd.	$10.3M	1.6M	Trimmed
14	GAGNON SECURITIES LLC	$9.7M	1.5M	Trimmed
15	DIMENSIONAL FUND ADVISORS LP	$9.2M	1.4M	Added
16	GOLDMAN SACHS GROUP INC	$8.7M	1.4M	Added
17	ROYCE & ASSOCIATES LP	$8.4M	1.3M	Added
18	AQR CAPITAL MANAGEMENT LLC	$8.1M	1.3M	Added
19	MILLENNIUM MANAGEMENT LLC	$7.5M	1.2M	Trimmed
20	MARSHALL WACE, LLP	$7.3M	1.1M	Trimmed
21	D. E. Shaw & Co., Inc.	$6.8M	1.1M	Added
22	Telemark Asset Management, LLC	$6.3M	1.0M	Hold
23	JPMORGAN CHASE & CO	$6.0M	1.0M	Added
24	BNP PARIBAS FINANCIAL MARKETS	$5.5M	867,199	Added
25	TWO SIGMA INVESTMENTS, LP	$4.9M	779,468	Added

来源：SEC 13F 申报文件 · 截至 2026-06-30