- Type / Class
- Equity / Common Stock
- Shares outstanding
- 82,107,547
- Total 13F shares
- 21,889,127
- Share change
- +1,073,933
- Total reported value
- $365,972,946
- Price per share
- $16.69
- Number of holders
- 75
- Value change
- +$23,787,605
- Number of buys
- 40
- Number of sells
- 31
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.
Recent filing periods for CUSIP 04523Y105:
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 |
|---|---|---|---|---|---|---|---|---|
| GEORGE KAISER FAMILY FOUNDATION |
13F
|
Individual |
3.9%
|
3,167,322
|
$34,682,000 | — | 30 Sep 2020 | |
| OAKTOP CAPITAL MANAGEMENT II, L.P. |
13F
|
Company |
3.6%
|
2,939,758
|
$32,190,000 | — | 30 Sep 2020 | |
| Telemark Asset Management, LLC |
13F
|
Company |
2.5%
|
2,020,502
|
$22,124,000 | — | 30 Sep 2020 | |
| BlackRock Finance, Inc. |
13F
|
Company |
1.8%
|
1,453,094
|
$15,912,000 | — | 30 Sep 2020 | |
| NEEDHAM INVESTMENT MANAGEMENT LLC |
13F
|
Company |
1.6%
|
1,331,906
|
$14,584,000 | — | 30 Sep 2020 | |
| VANGUARD GROUP INC |
13F
|
Company |
1.2%
|
1,022,989
|
$11,202,000 | — | 30 Sep 2020 | |
| NEXT CENTURY GROWTH INVESTORS LLC |
13F
|
Company |
0.85%
|
699,500
|
$7,659,000 | — | 30 Sep 2020 | |
| ESSEX INVESTMENT MANAGEMENT CO LLC |
13F
|
Company |
0.83%
|
684,751
|
$7,498,000 | — | 30 Sep 2020 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.75%
|
618,751
|
$6,775,000 | — | 30 Sep 2020 | |
| ROYCE & ASSOCIATES LP |
13F
|
Company |
0.73%
|
596,779
|
$6,535,000 | — | 30 Sep 2020 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
0.71%
|
580,566
|
$6,357,000 | — | 30 Sep 2020 | |
| Cowen Prime Services LLC |
13F
|
Company |
0.69%
|
570,300
|
$6,245,000 | — | 30 Sep 2020 | |
| Russell Investments Group, Ltd. |
13F
|
Company |
0.52%
|
424,986
|
$4,653,000 | — | 30 Sep 2020 | |
| Harvey Partners, LLC |
13F
|
Company |
0.51%
|
418,375
|
$4,581,000 | — | 30 Sep 2020 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.4%
|
331,716
|
$3,632,000 | — | 30 Sep 2020 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.37%
|
304,343
|
$3,332,000 | — | 30 Sep 2020 | |
| Baird Financial Group, Inc. |
13F
|
Company |
0.31%
|
255,487
|
$2,798,000 | — | 30 Sep 2020 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.29%
|
241,093
|
$2,640,000 | — | 30 Sep 2020 | |
| STATE STREET CORP |
13F
|
Company |
0.28%
|
232,768
|
$2,549,000 | — | 30 Sep 2020 | |
| Worth Venture Partners, LLC |
13F
|
Company |
0.21%
|
175,486
|
$1,922,000 | — | 30 Sep 2020 | |
| Nuveen Asset Management, LLC |
13F
|
Company |
0.13%
|
106,294
|
$1,164,000 | — | 30 Sep 2020 | |
| SILVERBACK ASSET MANAGEMENT LLC |
13F
|
Company |
0.12%
|
102,444
|
$1,122,000 | — | 30 Sep 2020 | |
| HEARTLAND ADVISORS INC |
13F
|
Company |
0.12%
|
100,000
|
$1,095,000 | — | 30 Sep 2020 | |
| KENNEDY CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.12%
|
99,831
|
$1,093,000 | — | 30 Sep 2020 | |
| Informed Momentum Co LLC |
13F
|
Company |
0.12%
|
96,429
|
$1,056,000 | — | 30 Sep 2020 | |
| Boston Partners |
13F
|
Company |
0.09%
|
71,984
|
$788,000 | — | 30 Sep 2020 | |
| GREENWOOD CAPITAL ASSOCIATES LLC |
13F
|
Company |
0.09%
|
71,875
|
$787,000 | — | 30 Sep 2020 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.09%
|
71,127
|
$779,000 | — | 30 Sep 2020 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.08%
|
66,477
|
$728,000 | — | 30 Sep 2020 | |
| MORGAN STANLEY |
13F
|
Company |
0.08%
|
63,953
|
$701,000 | — | 30 Sep 2020 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.08%
|
63,500
|
$695,000 | — | 30 Sep 2020 | |
| UBS Group AG |
13F
|
Company |
0.07%
|
61,312
|
$671,000 | — | 30 Sep 2020 | |
| RBF Capital, LLC |
13F
|
Company |
0.07%
|
60,845
|
$666,000 | — | 30 Sep 2020 | |
| PANAGORA ASSET MANAGEMENT INC |
13F
|
Company |
0.07%
|
59,705
|
$654,000 | — | 30 Sep 2020 | |
| Cambridge Investment Research Advisors, Inc. |
13F
|
Company |
0.07%
|
58,586
|
$642,000 | — | 30 Sep 2020 | |
| FCG ADVISORS, LLC |
13F
|
Company |
0.07%
|
58,586
|
$642,000 | — | 30 Sep 2020 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
0.07%
|
55,940
|
$613,000 | — | 30 Sep 2020 | |
| Squarepoint Ops LLC |
13F
|
Company |
0.05%
|
42,932
|
$470,000 | — | 30 Sep 2020 | |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM |
13F
|
Company |
0.05%
|
42,482
|
$465,000 | — | 30 Sep 2020 | |
| Firsthand Capital Management, Inc. |
13F
|
Company |
0.04%
|
35,000
|
$383,000 | — | 30 Sep 2020 | |
| Neuberger Berman Group LLC |
13F
|
Company |
0.04%
|
35,000
|
$383,000 | — | 30 Sep 2020 | |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM |
13F
|
Company |
0.04%
|
30,828
|
$338,000 | — | 30 Sep 2020 | |
| GSA CAPITAL PARTNERS LLP |
13F
|
Company |
0.03%
|
26,827
|
$294,000 | — | 30 Sep 2020 | |
| Tower Research Capital LLC (TRC) |
13F
|
Company |
0.03%
|
24,515
|
$269,000 | — | 30 Sep 2020 | |
| RHUMBLINE ADVISERS |
13F
|
Company |
0.03%
|
21,202
|
$232,000 | — | 30 Sep 2020 | |
| NEW YORK STATE COMMON RETIREMENT FUND |
13F
|
Company |
0.02%
|
18,700
|
$205,000 | — | 30 Sep 2020 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.02%
|
16,254
|
$179,000 | — | 30 Sep 2020 | |
| IEQ CAPITAL, LLC |
13F
|
Company |
0.02%
|
15,439
|
$169,000 | — | 30 Sep 2020 | |
| WEDGE CAPITAL MANAGEMENT L L P/NC |
13F
|
Company |
0.02%
|
15,299
|
$168,000 | — | 30 Sep 2020 | |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE |
13F
|
Company |
0.02%
|
14,158
|
$155,000 | — | 30 Sep 2020 |
Institutional Holders of ASPEN AEROGELS INC - Common Stock (ASPN) as of Q4 2020
As of 31 Dec 2020,
ASPEN AEROGELS INC - Common Stock (ASPN) was held by
75 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
21,889,127 shares.
The largest 10 holders included
GEORGE KAISER FAMILY FOUNDATION, Oaktop Capital Management II, L.P., Telemark Asset Management, LLC, BlackRock Inc., VANGUARD GROUP INC, NEEDHAM INVESTMENT MANAGEMENT LLC, STATE STREET CORP, ROYCE & ASSOCIATES LP, NEXT CENTURY GROWTH INVESTORS LLC, and DRIEHAUS CAPITAL MANAGEMENT LLC.
This page lists
75
institutional shareholders reporting positions in this security
for the Q4 2020 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q4 2020 vs Q3 2020 Across Filers
Q3 2020 holders
70
Q4 2020 holders
75
Holder diff
5
| Investor | Q3 2020 Shares | Q4 2020 Shares | Share Diff | Share Chg % | Q3 2020 Value $ | Q4 2020 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.
An asterisk sign (*) next to the price indicates that the price is likely invalid.