What does CUSIP 04523Y105 represent in this 13F holders report?

CUSIP 04523Y105 is the security identifier for ASPN - ASPEN AEROGELS INC - Common Stock used to aggregate holder disclosures.

How many institutions held ASPN - ASPEN AEROGELS INC - Common Stock in Q4 2022?

160 institutional investors reported ASPN - ASPEN AEROGELS INC - Common Stock for Q4 2022. Use the holders table for investor-level position and value details.

ASPEN AEROGELS INC - Common Stock (ASPN)

CUSIP: 04523Y105

Q4 2022 13F Holders as of 31 Dec 2022

Type / Class: Equity / Common Stock
Shares outstanding: 82,107,547
Total 13F shares: 67,314,459
Share change: +29,986,184
Total reported value: $793,543,467
Put/Call ratio: 55%
Price per share: $11.79
Number of holders: 160
Value change: +$354,475,790
Number of buys: 108
Number of sells: 38

Quarterly Holders Quick Answers

What is CUSIP 04523Y105?
CUSIP 04523Y105 identifies ASPN - ASPEN AEROGELS INC - Common Stock in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2023
Previous quarter: Q3 2022

Recent filing periods for CUSIP 04523Y105:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of ASPN - ASPEN AEROGELS INC - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
KIM, LLC	13F	Company	6.4%	5,254,110	$48,443,000	—	30 Sep 2022	13F
OAKTOP CAPITAL MANAGEMENT II, L.P.	13F	Company	3.9%	3,194,758	$29,455,000	—	30 Sep 2022	13F
GEORGE KAISER FAMILY FOUNDATION	13F	Individual	3.9%	3,167,322	$29,203,000	—	30 Sep 2022	13F
Encompass Capital Advisors LLC	13F	Company	2.9%	2,419,272	$22,306,000	—	30 Sep 2022	13F
Telemark Asset Management, LLC	13F	Company	2.4%	2,000,000	$18,440,000	—	30 Sep 2022	13F
BlackRock Finance, Inc.	13F	Company	2.3%	1,918,984	$17,692,000	—	30 Sep 2022	13F
VANGUARD GROUP INC	13F	Company	2.3%	1,860,576	$17,154,000	—	30 Sep 2022	13F
DRIEHAUS CAPITAL MANAGEMENT LLC	13F	Company	1.3%	1,055,017	$9,727,000	—	30 Sep 2022	13F
NEEDHAM INVESTMENT MANAGEMENT LLC	13F	Company	1.2%	983,100	$9,065,000	—	30 Sep 2022	13F
Cowen Prime Advisors LLC	13F	Company	0.89%	731,350	$6,743,000	—	30 Sep 2022	13F
ESSEX INVESTMENT MANAGEMENT CO LLC	13F	Company	0.77%	628,808	$5,798,000	—	30 Sep 2022	13F
STATE STREET CORP	13F	Company	0.72%	592,441	$5,462,000	—	30 Sep 2022	13F
Samjo Capital LLC	13F	Company	0.71%	584,000	$5,384,000	—	30 Sep 2022	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.71%	580,043	$5,348,000	—	30 Sep 2022	13F
Point72 Asset Management, L.P.	13F	Company	0.71%	579,739	$5,345,000	—	30 Sep 2022	13F
FMR LLC	13F	Company	0.69%	565,138	$5,211,000	—	30 Sep 2022	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.65%	534,900	$4,932,000	—	30 Sep 2022	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.63%	518,378	$4,779,000	—	30 Sep 2022	13F
ROYCE & ASSOCIATES LP	13F	Company	0.63%	517,283	$4,769,000	—	30 Sep 2022	13F
Robert M. Gervis	3/4/5	Director	— mixed-class rows	430,851 mixed-class rows	$4,708,680	—	02 Jun 2022	3/4/5
Redwood Investments, LLC	13F	Company	0.59%	481,491	$4,439,000	—	30 Sep 2022	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.58%	472,601	$4,357,000	—	30 Sep 2022	13F
Nuveen Asset Management, LLC	13F	Company	0.56%	459,271	$4,235,000	—	30 Sep 2022	13F
Baird Financial Group, Inc.	13F	Company	0.55%	448,923	$4,139,000	—	30 Sep 2022	13F
MORGAN STANLEY	13F	Company	0.52%	425,898	$3,928,000	—	30 Sep 2022	13F
G2 Investment Partners Management LLC	13F	Company	0.48%	396,167	$3,653,000	—	30 Sep 2022	13F
Assenagon Asset Management S.A.	13F	Company	0.45%	370,572	$3,417,000	—	30 Sep 2022	13F
Jetstream Capital LLC	13F	Company	0.45%	370,000	$3,411,000	—	30 Sep 2022	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.43%	354,320	$3,266,000	—	30 Sep 2022	13F
D. E. Shaw & Co., Inc.	13F	Company	0.43%	350,468	$3,231,000	—	30 Sep 2022	13F
DEUTSCHE BANK AG\	13F	Company	0.4%	326,107	$3,006,000	—	30 Sep 2022	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.37%	300,162	$2,767,494	—	30 Sep 2022	13F
NORTHERN TRUST CORP	13F	Company	0.34%	280,502	$2,586,000	—	30 Sep 2022	13F
ZEVENBERGEN CAPITAL INVESTMENTS LLC	13F	Company	0.28%	226,862	$2,092,000	—	30 Sep 2022	13F
VOLORIDGE INVESTMENT MANAGEMENT, LLC	13F	Company	0.27%	224,247	$2,068,000	—	30 Sep 2022	13F
Clear Sky Carbon Solutions Investment Management, LLC	13F	Company	0.24%	195,000	$1,798,000	—	30 Sep 2022	13F
KENNEDY CAPITAL MANAGEMENT LLC	13F	Company	0.22%	184,102	$1,697,000	—	30 Sep 2022	13F
FAIRBANKS JOHN F	3/4/5	VP, CFO and Treasurer	— mixed-class rows	156,215 mixed-class rows	$1,555,460	—	26 Feb 2022	3/4/5
AFTON CAPITAL MANAGEMENT LLC	13F	Company	0.2%	167,119	$1,541,000	—	30 Sep 2022	13F
Walleye Capital LLC	13F	Company	0.2%	165,502	$1,526,000	—	30 Sep 2022	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.2%	160,200	$1,477,000	—	30 Sep 2022	13F
SILVERCREST ASSET MANAGEMENT GROUP LLC	13F	Company	0.18%	147,619	$1,361,000	—	30 Sep 2022	13F
ExodusPoint Capital Management, LP	13F	Company	0.17%	140,137	$1,292,000	—	30 Sep 2022	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.17%	138,960	$1,282,000	—	30 Sep 2022	13F
ALGERT GLOBAL LLC	13F	Company	0.16%	134,363	$1,239,000	—	30 Sep 2022	13F
Redwood Grove Capital, LLC	13F	Company	0.16%	133,210	$1,228,000	—	30 Sep 2022	13F
Sargent Investment Group, LLC	13F	Company	0.15%	124,061	$1,222,000	—	30 Sep 2022	13F
Cubist Systematic Strategies, LLC	13F	Company	0.16%	130,156	$1,200,000	—	30 Sep 2022	13F
Bank of New York Mellon Corp	13F	Company	0.16%	128,855	$1,188,000	—	30 Sep 2022	13F
George L. Gould	3/4/5	Chief Technology Officer	— mixed-class rows	107,829 mixed-class rows	$1,050,145	—	23 Feb 2022	3/4/5

Institutional Holders of ASPEN AEROGELS INC - Common Stock (ASPN) as of Q4 2022

As of 31 Dec 2022, ASPEN AEROGELS INC - Common Stock (ASPN) was held by 160 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 67,314,459 shares. The largest 10 holders included KIM, LLC, OAKTOP CAPITAL MANAGEMENT II, L.P., GEORGE KAISER FAMILY FOUNDATION, VANGUARD GROUP INC, Encompass Capital Advisors LLC, BlackRock Inc., FMR LLC, Telemark Asset Management, LLC, DRIEHAUS CAPITAL MANAGEMENT LLC, and NEEDHAM INVESTMENT MANAGEMENT LLC. This page lists 160 institutional shareholders reporting positions in this security for the Q4 2022 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2022 vs Q3 2022 Across Filers

Q3 2022 holders

129

Q4 2022 holders

160

Holder diff

Investor	Q3 2022 Shares	Q4 2022 Shares	Share Diff	Share Chg %	Q3 2022 Value $	Q4 2022 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.