ASPEN AEROGELS INC - Common Stock (ASPN)

CUSIP: 04523Y105

Q4 2018 13F Holders as of 31 Dec 2018

Holder snapshot 6 signals
Share change
-262,961
SEC-reported price per share
$2.13
Number of holders
34
Value change
-$2,674,185
Number of buys
11
Number of sells
18
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
82,107,547

Security key

04523Y105

Report period

Q4 2018

Institutions

34

Top holders

10

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
GEORGE KAISER FAMILY FOUN...
Disclosed value leader
GEORGE KAISER FAMILY FOUN...
Comparable rows
15/15
Latest evidence
30 Sep 2018
13F Lead comparable stake: 3.9% Showing 1-6 of 15 holder rows.

Quick read

GEORGE KAISER FAMILY FOUNDATION leads the comparable SEC ownership view at 3.9%.

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 GEORGE KAISER FAMILY FOUNDATION's linked filing trail.
Comparable ownership Top 5
GEORGE KAISER FAMILY FOUNDATION 3.9%
ARIEL INVESTMENTS, LLC 2.2%
OAKTOP CAPITAL MANAGEMENT II, L.P. 1.8%
Cowen Prime Services LLC 1.5%
Telemark Asset Management, LLC 1.3%

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
GEORGE KAISER FAMILY FOUNDATION
13F
Individual
13F
3.9%
$14,475,000
3,167,322 shares
30 Sep 2018
ARIEL INVESTMENTS, LLC
13F
Company
13F
2.2%
$8,404,000
1,838,989 shares
30 Sep 2018
OAKTOP CAPITAL MANAGEMENT II, L.P.
13F
Company
13F
1.8%
$6,850,000
1,499,001 shares
30 Sep 2018
Cowen Prime Services LLC
13F
Company
13F
1.5%
$5,800,000
1,269,234 shares
30 Sep 2018
Telemark Asset Management, LLC
13F
Company
13F
1.3%
$4,760,000
1,041,500 shares
30 Sep 2018
ROYCE & ASSOCIATES LP
13F
Company
13F
1.1%
$4,127,000
903,018 shares
30 Sep 2018
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 Q4 2018

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

Institutions
34
Shares
16,268,661
Rows available
34
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 Q4 2018 vs Q3 2018 Across Filers

Q3 2018 holders
43
Q4 2018 holders
34
Holder diff
-9
Investor Q3 2018 Shares Q4 2018 Shares Share Diff Share Chg % Q3 2018 value Q4 2018 value Value change Value Chg %

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

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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