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Aspen Aerogels shares owned by Gagnon Securities

Quarter-by-quarter ownership of Aspen Aerogels (ASPN) shares owned by Gagnon Securities from 13F filings

Historical chart of Gagnon Securities investment in Aspen Aerogels

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All positions including Aspen Aerogels held by Gagnon Securities consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Aspen Aerogels by Gagnon Securities

Quarter filed Position value Share count Share price at filing
2025-09-30 $12M 1.8M 6.96
2025-06-30 $11M 1.9M 5.92
2018-09-30 $179k 39k 4.56
2018-06-30 $193k 39k 4.90
2018-03-31 $170k 40k 4.28