Jim Simons Aspen Aerogels Inc Transaction History

Renaissance Technologies LLC

$70.6 Billion
Q3 2025

A detailed history of Jim Simons (Renaissance Technologies LLC) transactions in Aspen Aerogels Inc stock. As of the latest transaction made, Renaissance Technologies LLC holds 246,900 shares of ASPN stock, worth $755,514. This represents 0.0% of its overall portfolio holdings.

Number of Shares

246,900

Previous 679,200 63.65%

Holding current value

$755,514

Previous $4.02 Million 57.26%

% of portfolio

0.0%

Previous 0.01%

25 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 13, 2025	SELL	$6.0 - $8.26 $2.59 Million - $3.57 Million	-432,300 Reduced 63.65%	246,900 $1.72 Million
Q2 2025 Aug 13, 2025	SELL	$4.31 - $6.63 $365,918 - $562,887	-84,900 Reduced 11.11%	679,200 $4.02 Million
Q1 2025 May 14, 2025	SELL	$6.39 - $13.9 $14,697 - $31,970	-2,300 Reduced 0.3%	764,100 $4.88 Million
Q4 2024 Feb 13, 2025	BUY	$11.88 - $26.48 $7.51 Million - $16.7 Million	632,500 Added 472.37%	766,400 $9.1 Million
Q3 2024 Nov 13, 2024	SELL	$18.5 - $31.72 $3.99 Million - $6.85 Million	-215,800 Reduced 61.71%	133,900 $3.71 Million

Q2 2024 Aug 09, 2024	BUY	$14.82 - $31.42 $5.18 Million - $11 Million	349,700 New	349,700 $8.34 Million
Q2 2023 Aug 11, 2023	BUY	$5.51 - $8.27 $1.07 Million - $1.6 Million	193,900 Added 578.81%	227,400 $1.79 Million
Q1 2023 May 12, 2023	SELL	$6.81 - $12.78 $607,452 - $1.14 Million	-89,200 Reduced 72.7%	33,500 $250,000
Q4 2022 Feb 13, 2023	SELL	$8.99 - $13.69 $337,125 - $513,375	-37,500 Reduced 23.41%	122,700 $1.45 Million
Q3 2022 Nov 14, 2022	BUY	$9.22 - $14.74 $755,118 - $1.21 Million	81,900 Added 104.6%	160,200 $1.48 Million
Q2 2022 Aug 12, 2022	BUY	$8.43 - $34.89 $182,088 - $753,624	21,600 Added 38.1%	78,300 $774,000
Q1 2022 May 13, 2022	BUY	$25.92 - $50.69 $584,470 - $1.14 Million	22,549 Added 66.03%	56,700 $1.96 Million
Q4 2021 Feb 11, 2022	SELL	$43.83 - $63.66 $3.27 Million - $4.75 Million	-74,600 Reduced 68.6%	34,151 $1.7 Million
Q3 2021 Nov 12, 2021	SELL	$30.91 - $46.59 $4.22 Million - $6.35 Million	-136,400 Reduced 55.64%	108,751 $5 Million
Q2 2021 Aug 13, 2021	SELL	$16.92 - $29.92 $2.87 Million - $5.08 Million	-169,800 Reduced 40.92%	245,151 $7.34 Million
Q1 2021 May 13, 2021	SELL	$15.79 - $26.0 $2.4 Million - $3.95 Million	-151,800 Reduced 26.78%	414,951 $8.44 Million
Q4 2020 Feb 10, 2021	SELL	$10.53 - $17.71 $547,560 - $920,920	-52,000 Reduced 8.4%	566,751 $9.46 Million
Q3 2020 Nov 13, 2020	SELL	$5.93 - $11.04 $426,960 - $794,879	-72,000 Reduced 10.42%	618,751 $6.78 Million
Q2 2020 Aug 13, 2020	BUY	$5.28 - $7.95 $298,848 - $449,970	56,600 Added 8.93%	690,751 $4.55 Million
Q1 2020 May 14, 2020	BUY	$4.94 - $10.62 $38,635 - $83,059	7,821 Added 1.25%	634,151 $3.89 Million
Q4 2019 Feb 13, 2020	BUY	$5.65 - $8.39 $320,914 - $476,543	56,799 Added 9.97%	626,330 $4.86 Million
Q3 2019 Nov 13, 2019	BUY	$5.87 - $7.0 $206,624 - $246,400	35,200 Added 6.59%	569,531 $3.37 Million
Q2 2019 Aug 12, 2019	SELL	$2.5 - $7.13 $41,175 - $117,431	-16,470 Reduced 2.99%	534,331 $3.81 Million
Q1 2019 May 14, 2019	BUY	$2.22 - $3.72 $98,346 - $164,796	44,300 Added 8.75%	550,801 $1.41 Million
Q4 2018 Feb 13, 2019	BUY	$1.61 - $4.75 $815,466 - $2.41 Million	506,501 New	506,501 $1.08 Million

Others Institutions Holding ASPN

# of Institutions

232

Shares Held

76.1M

Call Options Held

1.25M

Put Options Held

330K

View Full List

About ASPEN AEROGELS INC

Ticker ASPN
Exchange NYSE
Sector Industrials
Industry Building Products & Equipment
Shares Outstandng 40,440,700
Market Cap $124M
Description
Aspen Aerogels, Inc. designs, develops, manufactures, and sells aerogel insulation products primarily for use in the energy infrastructure and building materials markets in the United States, Asia, Canada, Europe, and Latin America. The company offers PyroThin thermal barriers for use in lithium-ion batteries in electric vehicles and energy stor...

More about ASPN

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