Security key
04523Y105
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 27,563,849
- Total 13F value
- $1,268,080,803
- Share change
- -444,022
- Put/Call ratio
- 37%
- SEC-reported price per share
- $46.01
- Number of holders
- 127
- Value change
- -$1,101,618
- Number of buys
- 62
- Number of sells
- 65
- Shares outstanding
- 82,107,547
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2021
Institutions
127
Top holders
10
ASPN full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2021
Previous quarter: Q2 2021
ASPEN AEROGELS INC SEC filings
ASPEN AEROGELS INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 04523Y105
Recent filing periods:
Ownership snapshot
Top reported holders of ASPN - ASPEN AEROGELS INC - Common Stock (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
SPRING CREEK CAPITAL LLC
Disclosed value leader
SPRING CREEK CAPITAL LLC
Comparable rows
15/15
Latest evidence
30 Jun 2021
13F
Lead comparable stake: 4.2%
Showing 1-6 of 15 holder rows.
Quick read
SPRING CREEK CAPITAL LLC leads the comparable SEC ownership view at 4.2%.
15 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 SPRING CREEK CAPITAL LLC's linked filing trail.
Comparable ownership
Top 5
SPRING CREEK CAPITAL LLC
4.2%
GEORGE KAISER FAMILY FOUNDATION
3.9%
OAKTOP CAPITAL MANAGEMENT II, L.P.
3.6%
Telemark Asset Management, LLC
2.5%
BlackRock Finance, Inc.
1.9%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| SPRING CREEK CAPITAL LLC |
13F
Company
|
4.2%
|
$103,587,000
3,462,124 shares
|
— | 30 Jun 2021 |
| GEORGE KAISER FAMILY FOUNDATION |
13F
Individual
|
3.9%
|
$94,766,000
3,167,322 shares
|
— | 30 Jun 2021 |
| OAKTOP CAPITAL MANAGEMENT II, L.P. |
13F
Company
|
3.6%
|
$87,958,000
2,939,758 shares
|
— | 30 Jun 2021 |
| Telemark Asset Management, LLC |
13F
Company
|
2.5%
|
$60,588,000
2,025,000 shares
|
— | 30 Jun 2021 |
| BlackRock Finance, Inc. |
13F
Company
|
1.9%
|
$47,112,000
1,574,572 shares
|
— | 30 Jun 2021 |
| VANGUARD GROUP INC |
13F
Company
|
1.6%
|
$39,030,000
1,304,463 shares
|
— | 30 Jun 2021 |
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 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
127
Shares
27,563,849
Rows available
127
| 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 2021 vs Q2 2021 Across Filers
Q2 2021 holders
113
Q3 2021 holders
127
Holder diff
14
| Investor | Q2 2021 Shares | Q3 2021 Shares | Share Diff | Share Chg % | Q2 2021 value | Q3 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend