How many institutions held ASPN - ASPEN AEROGELS INC - Common Stock, $0.00001 par value per share in Q3 2023?

157 institutional investors reported ASPN - ASPEN AEROGELS INC - Common Stock, $0.00001 par value per share for Q3 2023. Use the holders table for investor-level position and value details.

ASPEN AEROGELS INC - Common Stock, $0.00001 par value per share (ASPN)

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

CUSIP 04523Y105 is the security identifier for ASPN - ASPEN AEROGELS INC - Common Stock, $0.00001 par value per share used to aggregate holder disclosures.

CUSIP: 04523Y105

Q3 2023 13F Holders as of 30 Sep 2023

Security type / class: Equity / Common Stock, $0.00001 par value per share
Total 13F shares: 67,761,200
Total 13F value: $582,778,595
Share change: +3,226,453
Put/Call ratio: 41%
SEC-reported price per share: $8.60
Number of holders: 157
Value change: +$28,805,579
Number of buys: 68
Number of sells: 77
Shares outstanding: 83,141,000

Security key

04523Y105

Report period

Q3 2023

Institutions

157

Top holders

ASPN full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2026 ASPEN AEROGELS INC SEC filings ASPEN AEROGELS INC company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 04523Y105

Newer quarter: Q3 2026

Recent filing periods:

Q3 2026

Ownership snapshot

Top reported holders of ASPN - ASPEN AEROGELS INC - Common Stock, $0.00001 par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

KIM, LLC

Disclosed value leader

KIM, LLC

Comparable rows

0/15

Latest evidence

30 Jun 2023

13F Highest disclosed value: $124,507,561 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

KIM, LLC has the largest disclosed position value at $124.51M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens KIM, LLC's linked filing trail.

Disclosed position value Top 5

KIM, LLC $124.51M

BlackRock Finance, Inc. $30.4M

VANGUARD GROUP INC $27.08M

OAKTOP CAPITAL MANAGEMENT II, L.P. $25.21M

GEORGE KAISER FAMILY FOUNDATION $24.99M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
KIM, LLC	13F Company 13F	— denominator unverified	$124,507,561 15,780,426 shares	—	30 Jun 2023
BlackRock Finance, Inc.	13F Company 13F	— denominator unverified	$30,395,522 3,852,411 shares	—	30 Jun 2023
VANGUARD GROUP INC	13F Company 13F	— denominator unverified	$27,077,485 3,431,874 shares	—	30 Jun 2023
OAKTOP CAPITAL MANAGEMENT II, L.P.	13F Company 13F	— denominator unverified	$25,206,640 3,194,758 shares	—	30 Jun 2023
GEORGE KAISER FAMILY FOUNDATION	13F Individual 13F	— denominator unverified	$24,990,171 3,167,322 shares	—	30 Jun 2023
FMR LLC	13F Company 13F	— denominator unverified	$18,295,419 2,318,811 shares	—	30 Jun 2023

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

157

67,761,200

Rows available

157

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2023 vs Q2 2023 Across Filers

Q2 2023 holders

158

Q3 2023 holders

157

Holder diff

-1

Investor	Q2 2023 Shares	Q3 2023 Shares	Share Diff	Share Chg %	Q2 2023 value	Q3 2023 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend