Needham Investment Management LLC Aspen Aerogels Inc Transaction History

Needham Investment Management LLC

$1.1 Billion
Q2 2025

A detailed history of Needham Investment Management LLC transactions in Aspen Aerogels Inc stock. As of the latest transaction made, Needham Investment Management LLC holds 3,014,200 shares of ASPN stock, worth $22.4 Million. This represents 1.63% of its overall portfolio holdings.

Number of Shares

3,014,200

Previous 2,737,200 10.12%

Holding current value

$22.4 Million

Previous $17.5 Million 2.02%

% of portfolio

1.63%

Previous 1.83%

31 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 13, 2025	BUY	$4.31 - $6.63 $1.19 Million - $1.84 Million	277,000 Added 10.12%	3,014,200 $17.8 Million
Q1 2025 May 14, 2025	BUY	$6.39 - $13.9 $2.22 Million - $4.83 Million	347,500 Added 14.54%	2,737,200 $17.5 Million
Q4 2024 Feb 13, 2025	BUY	$11.88 - $26.48 $1.4 Million - $3.11 Million	117,500 Added 5.17%	2,389,700 $28.4 Million
Q3 2024 Nov 13, 2024	SELL	$18.5 - $31.72 $509,286 - $873,219	-27,529 Reduced 1.2%	2,272,200 $63 Million
Q2 2024 Aug 13, 2024	SELL	$14.82 - $31.42 $10.4 Million - $22.1 Million	-702,471 Reduced 23.4%	2,299,729 $54.8 Million
Q1 2024 May 14, 2024	BUY	$10.91 - $17.9 $379,668 - $622,920	34,800 Added 1.17%	3,002,200 $52.8 Million
Q4 2023 Feb 14, 2024	BUY	$6.67 - $17.19 $2.93 Million - $7.55 Million	439,100 Added 17.37%	2,967,400 $46.8 Million
Q3 2023 Nov 13, 2023	BUY	$5.55 - $8.83 $1.44 Million - $2.3 Million	260,000 Added 11.46%	2,528,300 $21.7 Million
Q2 2023 Aug 11, 2023	BUY	$5.51 - $8.27 $885,732 - $1.33 Million	160,750 Added 7.63%	2,268,300 $17.9 Million
Q1 2023 May 12, 2023	BUY	$6.81 - $12.78 $3.91 Million - $7.34 Million	574,716 Added 37.49%	2,107,550 $15.7 Million
Q4 2022 Feb 13, 2023	BUY	$8.99 - $13.69 $4.94 Million - $7.53 Million	549,734 Added 55.92%	1,532,834 $18.1 Million
Q3 2022 Nov 10, 2022	BUY	$9.22 - $14.74 $2.75 Million - $4.4 Million	298,600 Added 43.62%	983,100 $9.07 Million
Q2 2022 Aug 12, 2022	BUY	$8.43 - $34.89 $193,890 - $802,470	23,000 Added 3.48%	684,500 $6.76 Million
Q1 2022 May 16, 2022	SELL	$25.92 - $50.69 $842,400 - $1.65 Million	-32,500 Reduced 4.68%	661,500 $22.8 Million
Q4 2021 Feb 14, 2022	SELL	$43.83 - $63.66 $11.7 Million - $17 Million	-266,500 Reduced 27.75%	694,000 $34.6 Million
Q3 2021 Nov 15, 2021	SELL	$30.91 - $46.59 $4.95 Million - $7.45 Million	-160,000 Reduced 14.28%	960,500 $44.2 Million
Q2 2021 Aug 16, 2021	BUY	$16.92 - $29.92 $296,100 - $523,600	17,500 Added 1.59%	1,120,500 $33.5 Million
Q1 2021 May 17, 2021	BUY	$15.79 - $26.0 $2.71 Million - $4.46 Million	171,600 Added 18.42%	1,103,000 $22.4 Million
Q4 2020 Feb 16, 2021	SELL	$10.53 - $17.71 $4.22 Million - $7.09 Million	-400,506 Reduced 30.07%	931,400 $15.5 Million
Q3 2020 Nov 16, 2020	BUY	$5.93 - $11.04 $714,600 - $1.33 Million	120,506 Added 9.95%	1,331,906 $14.6 Million
Q2 2020 Aug 14, 2020	BUY	$5.28 - $7.95 $429,792 - $647,130	81,400 Added 7.2%	1,211,400 $7.97 Million
Q1 2020 May 15, 2020	BUY	$4.94 - $10.62 $1.11 Million - $2.39 Million	225,350 Added 24.91%	1,130,000 $6.94 Million
Q4 2019 Feb 14, 2020	BUY	$5.65 - $8.39 $96,050 - $142,630	17,000 Added 1.92%	904,650 $7.02 Million
Q2 2019 Aug 14, 2019	SELL	$2.5 - $7.13 $606,875 - $1.73 Million	-242,750 Reduced 21.47%	887,650 $6.33 Million
Q4 2018 Feb 14, 2019	BUY	$1.61 - $4.75 $556,094 - $1.64 Million	345,400 Added 44.0%	1,130,400 $2.41 Million
Q3 2018 Nov 14, 2018	BUY	$4.29 - $5.22 $1.03 Million - $1.26 Million	241,200 Added 44.35%	785,000 $3.59 Million
Q2 2018 Aug 14, 2018	SELL	$4.03 - $5.27 $137,221 - $179,443	-34,050 Reduced 5.89%	543,800 $2.67 Million
Q1 2018 May 15, 2018	SELL	$4.24 - $5.4 $93,916 - $119,610	-22,150 Reduced 3.69%	577,850 $2.47 Million
Q4 2017 Feb 14, 2018	BUY	$4.15 - $5.07 $684,750 - $836,550	165,000 Added 37.93%	600,000 $2.93 Million
Q3 2017 Nov 14, 2017	BUY	$4.06 - $4.84 $375,549 - $447,700	92,500 Added 27.01%	435,000 $1.89 Million
Q2 2017 Aug 14, 2017	BUY	N/A	342,500	342,500 $1.52 Million

Others Institutions Holding ASPN

# of Institutions

214

Shares Held

63.9M

Call Options Held

578K

Put Options Held

321K

View Full List

About ASPEN AEROGELS INC

Ticker ASPN
Exchange NYSE
Sector Industrials
Industry Building Products & Equipment
Shares Outstandng 40,440,700
Market Cap $300M
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...

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Needham Investment Management LLC Aspen Aerogels Inc Transaction History