Oaktop Capital Management II, L.P.

13F Holdings History for ASPEN AEROGELS INC - Common Stock, par value $0.00001 per share (ASPN)

Symbol: ASPN on NYSE
Investment type: Equity / Common Stock, par value $0.00001 per share
Latest Disclosed Ownership: 4.39M shares
Security Ownership: 5.35%

Shares, Excluding Options vs Price

Value, Excluding Options

Oaktop Capital Management II, L.P. ownership in ASPEN AEROGELS INC Common Stock, par value $0.00001 per share (ASPN)

2025-05-15 - Oaktop Capital Management II, L.P. has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 4.39M shares of ASPEN AEROGELS INC Common Stock, par value $0.00001 per share (ASPN). This represents 5.35% percent ownership of the company.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
Oaktop Capital Management II, L.P.	5.35%		$23.5M	4.39M			$5.34	13G/A	3/31/2025	15 May 2025 14:10:56
Oaktop Capital Management II, L.P.	5.35%		$23.5M	4.39M			$5.34	13G/A	3/31/2025	15 May 2025 14:17:47

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
9/30/2025	2.77%		$30.6M	4.39M			$6.96	Q3 2025
6/30/2025	2.8%		$26M	4.39M			$5.92	Q2 2025
3/31/2025	3.74%	+0.56%	$28.1M	4.39M	+654,000		$6.39	Q1 2025
12/31/2024	5.55%	+0.3%	$44.4M	3.74M	+200,000	+5.65%	$11.88	Q4 2024
9/30/2024	10.7%	+0.6%	$98M	3.54M	+200,000	+5.99%	$27.69	Q3 2024
6/30/2024	8.16%		$79.7M	3.34M			$23.85	Q2 2024
3/31/2024	6.79%	+0.34%	$58.8M	3.34M	+145,767	+4.56%	$17.60	Q1 2024
12/31/2023	6.68%		$50.4M	3.19M			$15.78	Q4 2023
9/30/2023	4.58%		$27.5M	3.19M			$8.60	Q3 2023
6/30/2023	3.83%		$25.2M	3.19M			$7.89	Q2 2023
3/31/2023	4%		$23.8M	3.19M			$7.45	Q1 2023
12/31/2022	6.74%		$37.7M	3.19M			$11.79	Q4 2022
9/30/2022	5.92%		$29.5M	3.19M			$9.22	Q3 2022
6/30/2022	5.71%	+0.46%	$31.6M	3.19M	+255,000	+8.67%	$9.88	Q2 2022
3/31/2022	14.5%		$101M	2.94M			$34.48	Q1 2022
12/31/2021	17.7%		$146M	2.94M			$49.79	Q4 2021
9/30/2021	18.7%		$135M	2.94M			$46.01	Q3 2021
6/30/2021	12.6%		$88M	2.94M			$29.92	Q2 2021
3/31/2021	9.22%		$59.8M	2.94M			$20.34	Q1 2021
12/31/2020	8.65%		$49.1M	2.94M			$16.69	Q4 2020
9/30/2020	7.11%		$32.2M	2.94M			$10.95	Q3 2020
6/30/2020	4.55%	+0.15%	$19.3M	2.94M	+100,000	+3.52%	$6.58	Q2 2020
3/31/2020	5.34%	+0.46%	$17.4M	2.84M	+246,486	+9.5%	$6.14	Q1 2020
12/31/2019	5.28%		$20.1M	2.59M			$7.76	Q4 2019
9/30/2019	3.17%		$15.4M	2.59M			$5.92	Q3 2019
6/30/2019	3.98%		$18.5M	2.59M			$7.13	Q2 2019
3/31/2019	1.38%		$6.61M	2.59M			$2.55	Q1 2019
12/31/2018	1.54%	+0.65%	$5.52M	2.59M	+1,094,271	+73%	$2.13	Q4 2018
9/30/2018	1.53%		$6.85M	1.5M			$4.57	Q3 2018
6/30/2018	1.61%		$7.35M	1.5M			$4.90	Q2 2018
3/31/2018	1.34%	+0.09%	$6.4M	1.5M	+100,000	+7.15%	$4.27	Q1 2018
12/31/2017	1.37%		$6.83M	1.4M			$4.88	Q4 2017
9/30/2017	1.02%	+0.13%	$6.09M	1.4M	+177,953	+14.6%	$4.35	Q3 2017
6/30/2017	1%	+0.1%	$5.43M	1.22M	+116,803	+10.6%	$4.45	Q2 2017
3/31/2017	0.9%	+0.18%	$4.58M	1.1M	+215,645	+24.3%	$4.15	Q1 2017
12/31/2016	0.8%	+0.8%	$3.67M	889K	+883,100	+16056%	$4.13	Q4 2016
9/30/2016	0.01%	+0.01%	$33K	5.5K	+5,500	NEW	$6.00	Q3 2016

* 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.