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Promethium Advisors,llc

SEC CIK
0002034073
Latest filing
Aug 5, 2026

ASPN holding history

Aspen Aerogels Inc in every 13F filed by Promethium Advisors,llc, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

ASPN overviewAll 13F holders of ASPNFull Q2 2026 holdings

Shares (Q2 2025)
0
Sold out in Q2 2025
Value
$0
% of portfolio
0.0%
Quarters held
3
Since Q3 2024
Holdings of ASPN by Promethium Advisors,llc, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20250$00.0%−63,320−100.0%Sold outHolders
Q1 202563,320$404.6K0.3%+16,440+35.1%AddedHolders
Q4 202446,880$556.9K0.4%+13,815+41.8%AddedHolders
Q3 202433,065$915.6K0.6%–No prior filingHolders