Aspen Aerogels Inc

ASPN

Exchange: NYSE
Industry: Wholesale-Lumber & Other Construction Materials
SEC CIK: 0001145986

SEC filings (opens in a new tab)

In the last 90 days, Aspen Aerogels Inc insiders filed 0 open-market purchases and 1 sale; 179 institutions reported holding it in 13F filings for Q2 2026, worth $464.9M in total; no superinvestor holds it.

Q4 2021 vs. Q3 2021

How the institutions holding Aspen Aerogels Inc changed between Q3 2021 and Q4 2021.

All holders in Q4 2021 All holders in Q3 2021

13F holders of ASPN: Q3 2021 compared with Q4 2021
Measure	Q3 2021	Q4 2021	Change
Holders	130	159	+29
Shares	27.6M	28.5M	+954.5K (+3.5%)
Value	$1.27B	$1.42B	+$152.1M (+12.0%)

New holders (39)

Institutions that held Aspen Aerogels Inc at the end of Q4 2021 but not at the end of Q3 2021.

Institutions new to ASPN in Q4 2021
Institution	Shares	Value	% of portfolio
Encompass Capital Advisors LLC	400,188	$19.9M	1.69%
AMH Equity Ltd	142,700	$7.11M	10.37%
Afton Capital Management LLC	137,700	$6.86M	13.44%
Balyasny Asset Management LLC	83,568	$4.16M	0.02%
Invenire Partners, LP	67,544	$3.36M	3.56%
Jetstream Capital LLC	60,000	$2.99M	3.48%
Swiss National Bank	58,200	$2.90M	0.00%
Alyeska Investment Group, L.P.	51,062	$2.54M	0.03%
Allspring Global Investments Holdings, LLC	44,504	$2.21M	0.00%
Picton Mahoney Asset Management	35,700	$1.78M	0.06%
Polarity Investment Partners LP	28,614	$1.43M	3.01%
American Century Companies Inc	28,528	$1.42M	0.00%
Voloridge Investment Management, LLC	28,425	$1.42M	0.01%
Aquila Investment Management LLC	23,000	$1.15M	0.55%
Luminus Management LLC	17,300	$861.0K	0.20%
Credit Suisse AG	17,245	$859.0K	0.00%
Walleye Capital LLC	13,949	$695.0K	0.02%
Prudential Financial Inc	12,800	$637.0K	0.00%
San Luis Wealth Advisors LLC	10,640	$530.0K	0.54%
Thompson Davis & Co., Inc.	10,200	$508.0K	0.42%
Brookfield Asset Management Inc.	10,020	$499.0K	0.00%
Brown Advisory Inc	10,031	$499.0K	0.00%
National Bank of Canada	8,982	$447.0K	0.00%
Arizona State Retirement System	7,116	$354.0K	0.00%
Andrew Hill Investment Advisors, Inc.	5,745	$286.0K	0.27%
Abbot Financial Management, Inc.	5,653	$281.0K	0.13%
Janus Henderson Group PLC	5,296	$264.0K	0.00%
Teacher Retirement System of Texas	5,177	$258.0K	0.00%
Crossmark Global Holdings, Inc.	5,086	$253.0K	0.01%
ProShare Advisors LLC	4,819	$240.0K	0.00%
Marshall Wace, LLP	2,846	$141.0K	0.00%
KRS Capital Management, LLC	2,700	$134.0K	0.11%
PEAK6 Investments LLC	508	$25.0K	0.00%
Ahrens Investment Partners LLC	408	$20.0K	0.01%
Captrust Financial Advisors	131	$7.00K	0.00%
Harbour Investments, Inc.	80	$4.00K	0.00%
Toth Financial Advisory Corp	18	$1.00K	0.00%
Fortitude Advisory Group L.L.C.	19	$1.00K	0.00%
Covestor Ltd	9	$0	0.00%

Sold out (10)

Institutions that held Aspen Aerogels Inc at the end of Q3 2021 and filed for Q4 2021 without it.

Institutions that sold out of ASPN in Q4 2021
Institution	Shares, Q3 2021	Value, Q3 2021
Point72 Asset Management, L.P.	180,300	$8.30M
Roubaix Capital, LLC	77,838	$3.58M
Jump Financial, LLC	17,215	$792.0K
Panagora Asset Management Inc	13,171	$606.0K
Simplex Trading, LLC	11,568	$400.0K
Paloma Partners Management Co	6,175	$284.0K
Principal Financial Group Inc	4,668	$215.0K
Point72 Hong Kong Ltd	2,538	$117.0K
O'Shaughnessy Asset Management, LLC	1,054	$49.0K
US Bancorp	48	$2.00K